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Changes for page 3.3 Control

Last modified by Admin on 2026/04/30 15:58
From version 53.1
edited by Admin
on 2026/04/27 12:53
Change comment: There is no comment for this version
To version 59.1
edited by Admin
on 2026/04/30 15:58
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -12,35 +12,37 @@
12 12  
13 13  In this section:
14 14  
15 -* Cell capacity – nominal capacity of cells, Ah;
16 -* Cell resistance – nominal (maximum) internal resistance of the cell, Ohm;
17 -* Relax time (after charging) – a relaxation time after charging, second;
18 -* Relax time (atfer discharging) – the relaxation time after discharging, second;
19 -* Reset parameters– a command to reset cells state of charge, capacity, and resistance.
15 +* **Cell capacity** – nominal capacity of cells, Ah;
16 +* **Cell resistance** – nominal (maximum) internal resistance of the cell, Ohm;
17 +* **Relax time (after charging)** – a relaxation time after charging, second;
18 +* **Relax time (after discharging)** – the relaxation time after discharging, second;
19 +* **Reset parameters **– a command to reset cells state of charge, capacity, and resistance.
20 20  
21 -The values “Capacity” and “Resistance” are used to calculate the SOC of cells and the battery.
21 +The values “**Capacity**” and “**Resistance**” are used to calculate the SOC of cells and the battery.
22 22  
23 -The values of “Relax time” are used to determine the state of the battery. If the battery is in a state of relaxation, the system recalculates the voltage on the cells to the state of charge of the battery.
23 +The values of “**Relax time**” are used to determine the state of the battery. If the battery is in a state of relaxation, the system recalculates the voltage on the cells to the state of charge of the battery.
24 24  
25 -The “Reset parameters” will reset:
25 +The “**Reset parameters**”  is used for starting-up and adjustment of the battery and will reset:
26 26  
27 27  * state of charge (new cell SOC values will be calculated based on cell voltage and “Uocv (open-circuit voltage) table”: in the “Control → SOC estimation” section);
28 28  * cell resistance to “Cell resistance” value;
29 29  * battery capacity to “Cell capacity” value.
30 30  
31 -The “Reset parameters” command is used for starting-up and adjustment of the battery.
32 -
33 33  === SOC estimation ===
34 34  
35 -The BMS Mini device calculates the state of charge of the battery (SOC) using two algorithms:
33 +The BMS Mini S / BMS Mini device calculates the state of charge (SOC) of each cell by using following algorithms:
36 36  
37 -* by open circuit voltage;
38 -* by voltage and current.
35 +The **“Voltage”** SOC calculation algorithm calculates cells SOC based on the tabular dependence Uocv = Uocv(SOC, t °C).
39 39  
40 -It is recommended to use the algorithm of calculation of SOC by voltage and current.
37 +The **“Current and voltage (simplified)”** SOC calculation algorithm works as follows:
41 41  
42 -To change the estimation algorithm for calculating the battery SOC, select the "Control → SOC estimation → Algorithm" section:
39 +* if I = 0, the battery is in the state of relaxation and the cell voltage Uocv is outside the [U,,ocv[point 1],,; U,,ocv[point 2],,], the SOC calculation is based on the tabular dependency Uocv = Uocv(SOC, t °C);
40 +* in any other cases, the SOC value is proportional to the charge (coulomb) passed through the battery (current time integral).
43 43  
42 +The **“Current and voltage (enhanced)” **SOC calculation algorithm differs from the simplified algorithm by online correction of the effective capacity. When using this algorithm, it is necessary to fine tune the tabular dependence Uocv = Uocv (SOC, t °C).
43 +
44 +To change the algorithm for calculating the SOC, select the "Control → SOC estimation" section:
45 +
44 44  [[image:1733746733477-590.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="166" width="800"]]
45 45  
46 46  The following estimation algorithms supported:
... ... @@ -62,28 +62,30 @@
62 62  
63 63  [[image:1733746733478-414.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="167" width="800"]]
64 64  
65 -The following battery Final SOC calculation methods are supported:
67 +In this section:
66 66  
67 -* Minimal SOC – SOC of the modular battery is assumed to be the minimum SOC among the battery modules;
68 -* Average SOC – SOC of the modular battery is taken equal to the arithmetic average of the SOC of the battery modules;
69 -* Min-Max SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if any cell has 100% SOC, b) 0% if any cell has 0% SOC;
70 -* Max-Min SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if all cells have 100% SOC, b) 0% if all cells have 0% SOC.
69 +* **Algorithm:**
70 +** **Voltage **– by open circuit voltage;
71 +** **Current and voltage (simplified)** – recommended for LFP cells;
72 +** **Current and voltage (enhanced)** – recommended for NMC cells:
73 +* **Final SOC** – method of calculating overall SOC of battery:
74 +** **Minimal SOC** – the battery SOC is assumed to be the minimum SOC among the cells;
75 +** **Average SOC** – the battery SOC is taken equal to the arithmetic average of the cell SOC;
76 +** **Min-Max SOC** – the battery SOC is calculated based on the minimum and maximum SOC of the cells (recommended). Final SOC will be a) 100% if __any cell__ has 100% SOC, b) 0% if __any cell__ has 0% SOC;
77 +** **Max-Min SOC** – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if __all cells__ have 100% SOC, b) 0% if __all// //cells__ have 0% SOC.
78 +* **Scale the final SOC** – a flag to scale the battery SOC by the following values;
79 +* **SOC corresponding to 0%** – the battery SOC that sets to be 0%;
80 +* **SOC corresponding to 100%** – the battery SOC that sets to be 100%.
81 +* **Uocv (open-circuit voltage) table** – the dependence of the cell open circuit voltage Uocv on SOC and the cell temperature (selected for specific batteries);
82 +* **Linear zone** - linear zone of the Uocv = Uocv(SOC, t°C) dependency, inside which the cell voltage changes insignificantly:
83 +** **Linear zone: point 1** – starting point of the Uocv linear zone;
84 +** **Linear zone: point 2** – ending point of the Uocv linear zone;
85 +* **Coulomb counting correction (temperature)** – the dependence of battery capacity on temperature;
86 +* **Coulomb counting correction (cycles)** – the dependence of battery capacity on the number of charge-discharge cycles.
71 71  
72 -Other parameters:
73 -
74 -* Scale the final SOC – a flag to scale the battery SOC by the following values;
75 -* SOC corresponding to 0% – the battery SOC that sets to be 0%;
76 -* SOC corresponding to 100% – the battery SOC that sets to be 100%.
77 -* Uocv (open-circuit voltage) table – the dependence of the cell open circuit voltage Uocv on SOC and the cell temperature (selected for specific batteries);
78 -* Linear zone - linear zone of the Uocv = Uocv(SOC, t°C) dependency, inside which the cell voltage changes insignificantly:
79 -** Linear zone: point 1 – starting point of the Uocv linear zone;
80 -** Linear zone: point 2 – ending point of the Uocv linear zone;
81 -* Coulomb counting correction (temperature) – the dependence of battery capacity on temperature;
82 -* Coulomb counting correction (cycles) – the dependence of battery capacity on the number of charge-discharge cycles.
83 -
84 84  === SOC correction ===
85 85  
86 -The BMS Mini device can recalculate the battery SOC after long-term storage or after long-term working in the case when the battery was not charged fully or discharged totally. Recalculation is done based on the tabular dependency Uocv = Uocv (SOC, t) (see [[SOC estimation>>doc:||anchor="HSOCestimation"]]).
90 +The BMS Mini S / BMS Mini device can recalculate the battery SOC after long-term storage or after long-term working in the case when the battery was not charged fully or discharged totally. Recalculation is done based on the tabular dependency Uocv = Uocv (SOC, t) (see [[SOC estimation>>doc:||anchor="HSOCestimation"]]).
87 87  
88 88  To configure parameters for periodically correcting the battery state of charge, select the "Control → SOC correction" section:
89 89  
... ... @@ -91,12 +91,12 @@
91 91  
92 92  In this section:
93 93  
94 -* Enable – a flag to enable SOC correction;
95 -* Shutdown period – a time the battery is off, day. If the BMS detects on its startup that it was off during the “Shutdown period” time, the BMS recalculates the battery state of charge based on the tabular dependency Uocv = Uocv (SOC, t);
96 -* Correction period – a period of correcting the battery SOC, day. If the BMS detects that the last correction was more than the “Correction period” ago, the BMS recalculates the battery state of charge based on the tabular dependency Uocv = Uocv (SOC, t) and tunes it gradually during the “SOC change time”.
97 -* SOC change time – a duration of the linear changing the battery SOC to the value calculated by the correction algorithm, minute;
98 -* Ignore the linear zone – a flag to ignore linear SOC zone while correction;
99 -* Last correction timestamp – time when last correction was made.
98 +* **Enable **– a flag to enable the SOC correction;
99 +* **Shutdown period** – a time the battery is off, day. If the BMS detects on its startup that it was off during the “Shutdown period” time, the BMS recalculates the battery state of charge based on the tabular dependency Uocv = Uocv (SOC, t);
100 +* **Correction period** – a period of correcting the battery SOC, day. If the BMS detects that the last correction was more than the “Correction period” ago, the BMS recalculates the battery state of charge based on the tabular dependency Uocv = Uocv (SOC, t) and tunes it gradually during the “SOC change time”.
101 +* **SOC change time** – a duration of the linear changing the battery SOC to the value calculated by the correction algorithm, minute;
102 +* **Ignore the linear zone** – a flag to ignore linear SOC zone while correction (recommended to be unset);
103 +* **Last correction timestamp** – time when last correction was made.
100 100  
101 101  === Resistance estimation ===
102 102  
... ... @@ -130,16 +130,18 @@
130 130  
131 131  In this section:
132 132  
133 -* Current stabilization time, millisecond;
134 -* Maximum calculation period – maximum time between resistance measurements. If more time has elapsed since the last determination of the stabilized current I,,stable,, than is determined in this field, the resistance calculation is not performed, second;
135 -* Maximum resistance factor – the coefficient of calculation of the maximum acceptable resistance of the cell;
136 -* Minimum SOC – minimum cell SOC value for resistance calculation;
137 -* Maximum SOC – maximum cell SOC value for resistance calculation.
137 +* **Current stabilization time**, millisecond;
138 +* **Maximum calculation period** – maximum time between resistance measurements. If more time has elapsed since the last determination of the stabilized current I,,stable,, than is determined in this field, the resistance calculation is not performed, second;
139 +* **Maximum resistance factor** – the coefficient of calculation of the maximum acceptable resistance of the cell;
140 +* **Minimum SOC** – minimum cell SOC value for resistance calculation;
141 +* **Maximum SOC** – maximum cell SOC value for resistance calculation.
138 138  
139 139  The calculated resistance is accepted by the system as valid (and therefore updated) if its value is in the range from Resistance/2 to “Maximum resistance factor” × Resistance, where "Resistance" is the nominal resistance of the cell (see [[Common settings>>doc:||anchor="HCommonsettings"]]). If the calculated resistance value is greater than the value (Maximum resistance factor × Resistance), the updated resistance value will be equal to the value (Maximum resistance factor × Resistance).
140 140  
141 141  === Low SOC (signal) ===
142 142  
147 +The "Low SOC" is indicative signal that can be assigned to a discrete output or a power switch.
148 +
143 143  To change the parameters of the generation a signal about low battery level, select the "Control → Low SOC (signal)" section:
144 144  
145 145  [[image:1740396460923-423.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="141" width="800"]]
... ... @@ -146,12 +146,12 @@
146 146  
147 147  In this section:
148 148  
149 -* Enable – a flag to enable signal generation;
150 -* Minimum SOC, %;
151 -* Tolerant SOC, %;
152 -* Delay before setting the signal, second;
153 -* Delay before clearing the signal, second;
154 -* Lock – lock the signal until the device is reset.
155 +* **Enable **– a flag to enable signal generation;
156 +* **Minimum SOC**, %;
157 +* **Tolerant SOC**, %;
158 +* **Delay before setting the signal**, second;
159 +* **Delay before clearing the signal**, second;
160 +* **Lock** – lock the signal until the device is reset.
155 155  
156 156  Signal generation conditions:
157 157  
... ... @@ -161,13 +161,10 @@
161 161  
162 162  * the battery SOC is greater than the “Tolerant SOC” during the “Delay before clearing the signal” time.
163 163  
164 -(% class="box infomessage" %)
165 -(((
166 -The "Low SOC signal" is indicative and can be output to a discrete output or a power switch.
167 -)))
168 -
169 169  === High charging current (signal) ===
170 170  
172 +The "High charging current" is indicative signal that can be output to a discrete output or a power switch.
173 +
171 171  To change the parameters of the generation high-current signal, select the "Control → High charging current (signal)" section:
172 172  
173 173  [[image:1740396996935-403.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="144" width="800"]]
... ... @@ -174,12 +174,12 @@
174 174  
175 175  In this section:
176 176  
177 -* Enable – a flag to enable signal generation;
178 -* Maximum charging current, А;
179 -* Tolerant charging current, А;
180 -* Delay before setting the signal, second;
181 -* Delay before clearing the signal, second;
182 -* Lock – lock the signal until the device is reset.
180 +* **Enable **– a flag to enable signal generation;
181 +* **Maximum charging current**, А;
182 +* **Tolerant charging current**, А;
183 +* **Delay before setting the signal**, second;
184 +* **Delay before clearing the signal**, second;
185 +* **Lock **– lock the signal until the device is reset.
183 183  
184 184  Signal generation conditions:
185 185  
... ... @@ -189,16 +189,11 @@
189 189  
190 190  * the measured current is less than the “Tolerant charging current” value during the “Delay before clearing the signal” time.
191 191  
192 -(% class="box infomessage" %)
193 -(((
194 -The "High charging current" signal is indicative and can be output to a discrete output or a power switch.
195 -)))
196 -
197 197  === Charge map ===
198 198  
199 -The BMS Mini device calculates maximum allowable charge current values in respect to SOC, battery temperature, contactor temperature and cell voltage.
197 +The BMS Mini S / BMS Mini device calculates maximum allowable charge current values in respect to SOC, battery temperature, contactor temperature and cell voltage.
200 200  
201 -Calculated current values are sending to a charger or an intellectual load over the CAN bus.
199 +Calculated current values are sent to a charger or an intellectual load over the CAN bus. External devices based on received data provide correct battery operation.
202 202  
203 203  To configure parameters for determining the charge current limit, select the "Control → Charge map" section:
204 204  
... ... @@ -205,17 +205,17 @@
205 205  [[image:1740397188247-315.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="179" width="800"]]
206 206  In this section:
207 207  
208 -* Enable – a flag to start calculation of the charge current limit;
209 -* Maximum charge current – a maximum allowable value of the charge current (under normal conditions), A;
210 -* Rate of change – a rate of change the current limit to a new value (0 is for immediate change), A/s;
211 -* Option 1: Limit charge current by the battery SOC and temperature – a flag to enable correction of maximum allowable charging current** Kcs** depending on __maximum cell SOC__ and battery temperature;
212 -* Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
213 -* Option 2: Limit charge current by the contactor temperature – a flag to enable correction of maximum allowable charging current **Kcc** depending on contactor temperature;
214 -* Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
215 -* Option 3: Limit charge current by the maximum cell voltage - a flag to enable correction of maximum allowable charging current **Kcv** depending on __the maximum cell U,,ocv,, voltage__ (corrected due to current and cell resistance)
216 -* Option 3: Cell voltage x Factor – the dependence of the correction factor on maximum cell voltage;
217 -* Option 4: Limit charge current by the cell temperature - a flag to enable correction of maximum allowable charging current **Kct** depending on maximum cell temperature;
218 -* Option 4: Cell temperature x Factor – the dependence of the correction factor on maximum cell temperature.
206 +* **Enable **– a flag to start calculation of the charge current limit;
207 +* **Maximum charge current** – a maximum allowable value of the charge current (under normal conditions), A;
208 +* **Rate of change** – a rate of change the current limit to a new value (0 is for immediate change), A/s;
209 +* **Option 1: Limit charge current by the battery SOC and temperature** – a flag to enable correction of maximum allowable charging current** Kcs** depending on __maximum cell SOC__ and battery temperature;
210 +* **Option 1: SOC x Temperature x Factor** – the dependence of the correction factor on SOC and battery temperature;
211 +* **Option 2: Limit charge current by the contactor temperature** – a flag to enable correction of maximum allowable charging current **Kcc** depending on contactor temperature;
212 +* **Option 2: Contactor temperature x Factor** – the dependence of the correction factor on SOC and contactor temperature;
213 +* **Option 3: Limit charge current by the maximum cell voltage** – a flag to enable correction of maximum allowable charging current **Kcv** depending on __the maximum cell U,,ocv,, voltage__ (corrected due to current and cell resistance)
214 +* **Option 3: Cell voltage x Factor** – the dependence of the correction factor on maximum cell voltage;
215 +* **Option 4: Limit charge current by the cell temperature** – a flag to enable correction of maximum allowable charging current **Kct** depending on maximum cell temperature;
216 +* **Option 4: Cell temperature x Factor** – the dependence of the correction factor on maximum cell temperature.
219 219  
220 220  Value of the charge current limit at given SOC, temperature, contactors temperature, maximum cell voltage and maximum cell temperature is calculated as follows:
221 221  
... ... @@ -223,7 +223,7 @@
223 223  
224 224  === Discharge map ===
225 225  
226 -The BMS Mini device calculates maximum allowable discharge current values in respect to SOC, battery temperature, contactor temperature and cell voltage.
224 +The BMS Mini S / BMS Mini device calculates maximum allowable discharge current values in respect to SOC, battery temperature, contactor temperature and cell voltage.
227 227  
228 228  Calculated current values are sending to a charger or an intellectual load over the CAN bus.
229 229  
... ... @@ -233,17 +233,17 @@
233 233  
234 234  In this section:
235 235  
236 -* Enable – a flag to start calculation of the discharge current limit;
237 -* Maximum discharge current – a maximum allowable value of the discharge current (under normal conditions), A;
238 -* Rate of change – a rate of change the current limit to a new value (0 is for immediate change), A/s;
239 -* Option 1: Limit discharging current by the battery SOC and temperature – a flag to enable correction of maximum allowable discharging current **Kds **depending on __minimum cell SOC__ and temperature;
240 -* Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
241 -* Option 2: Limit discharge current by the contactor temperature – a flag to enable correction of maximum allowable discharging current **Kdc** depending on contactor temperature;
242 -* Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
243 -* Option 3: Limit discharge current by the cell voltage - a flag to enable correction of maximum allowable discharging current **Kdv** depending on __the minimum cell U,,ocv,, voltage__ (corrected due to current and cell resistance)
244 -* Option 3: Cell voltage x Factor – the dependence of the correction factor on minimum cell voltage;
245 -* Option 4: Limit discharge current by the cell temperature - a flag to enable correction of maximum allowable discharging current **Kdt** depending on maximum cell temperature;
246 -* Option 4: Cell voltage x Factor – the dependence of the correction factor on minimum cell temperature.
234 +* **Enable **– a flag to start calculation of the discharge current limit;
235 +* **Maximum discharge current** – a maximum allowable value of the discharge current (under normal conditions), A;
236 +* **Rate of change** – a rate of change the current limit to a new value (0 is for immediate change), A/s;
237 +* **Option 1: Limit discharging current by the battery SOC and temperature** – a flag to enable correction of maximum allowable discharging current **Kds **depending on __minimum cell SOC__ and temperature;
238 +* **Option 1: SOC x Temperature x Factor** – the dependence of the correction factor on SOC and battery temperature;
239 +* **Option 2: Limit discharge current by the contactor temperature** – a flag to enable correction of maximum allowable discharging current **Kdc** depending on contactor temperature;
240 +* **Option 2: Contactor temperature x Factor** – the dependence of the correction factor on SOC and contactor temperature;
241 +* **Option 3: Limit discharge current by the cell voltage** – a flag to enable correction of maximum allowable discharging current **Kdv** depending on __the minimum cell U,,ocv,, voltage__ (corrected due to current and cell resistance)
242 +* **Option 3: Cell voltage x Factor** – the dependence of the correction factor on minimum cell voltage;
243 +* **Option 4: Limit discharge current by the cell temperature** – a flag to enable correction of maximum allowable discharging current **Kdt** depending on maximum cell temperature;
244 +* **Option 4: Cell voltage x Factor** – the dependence of the correction factor on minimum cell temperature.
247 247  
248 248  Value of the discharge current limit at given SOC, temperature, contactors temperature, minimum cell voltage and maximum cell temperature is calculated as follows:
249 249  
... ... @@ -251,26 +251,23 @@
251 251  
252 252  === Main contactor ===
253 253  
254 -The BMS Mini device controls the main contactor. The main contactor is usually placed in the common (minus) battery line for opening the charge and discharge circuits in a case of sealing of the charging or discharging contactors.
252 +The BMS Mini S / BMS Mini device controls the main contactor. The main contactor is usually placed in the common (minus) battery line for opening the charge and discharge circuits in case of sealing of the charging or discharging contactors.
255 255  
256 256  The Main contactor algorithm supports the following modes:
257 257  
258 -* Always on;
259 -* Automatic.
256 +In **“Always on”** mode main contactor closes if all the following is true:
260 260  
261 -In “Always on” mode main contactor closes if all the following is true:
262 -
263 263  * Other contactors are open;
264 -* There are no errors from the "Errors 1, 2 ..." bitfileds.
259 +* There are __no errors__ from the "Errors 1, 2 ..." bitfileds.
265 265  
266 -In “Always on” mode main contactor opens if all the following is true:
261 +and opens if all the following is true:
267 267  
268 268  * Other contactors are open;
269 -* There is an error from the the "Errors 1, 2 ..." bitfileds.
264 +* There is __an error__ from the the "Errors 1, 2 ..." bitfileds.
270 270  
271 -In “Automatic” mode, the main contactor closes by internal algorithms at the same time with other contactors.
266 +In **“Automatic”** mode, the main contactor closes by internal algorithms at the same time with other contactors.
272 272  
273 -In “On demand” mode, the main contactor closes by external the “Close Main contactor” request.
268 +In **“On demand”** mode, the main contactor closes by external the “Close Main contactor” request.
274 274  
275 275  (% class="box infomessage" %)
276 276  (((
... ... @@ -279,42 +279,42 @@
279 279  
280 280  To change the parameters of the main contactor, select the "Control → Main contactor" section:
281 281  
282 -[[image:1740397558976-651.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="144" width="800"]]
277 +[[image:1777563933065-421.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="137" width="800"]]
283 283  
284 284  In this section:
285 285  
286 -* Enable – a flag to enable the main contactor control;
287 -* Algorithm – main contactor control algorithm:
288 -** Always on – contactor is always closed;
289 -** Automatic – contactor closes by internal charge and discharge algorithms;
290 -** On demand – contactor is closed by an external request;
291 -* Time to keep the contactor closed before closing the others – a time for other contactors to be open after the main contactor is closed;
292 -* Delay before opening the contactor – a time which is used to detect conditions for opening the contactor, s;
293 -* Keep the contactor open until the device is restarted – a flag for keeping the main contactor open until the system is reset;
294 -* Errors 1, 2 to open the main contactor – bitfields to choose the errors which will open the main contactor.
281 +* **Enable **– a flag to enable the main contactor control;
282 +* **Algorithm** – main contactor control algorithm:
283 +** **Always on** – contactor is always closed;
284 +** **Automatic** – contactor closes by internal charge and discharge algorithms;
285 +** **On demand** – contactor is closed by an external request;
286 +* **Time to keep the contactor closed before closing the others** – a time for other contactors to be open after the main contactor is closed;
287 +* **Delay before opening the contactor** – a time which is used to detect conditions for opening the contactor, s;
288 +* **Keep the contactor open until the device is restarted** – a flag for keeping the main contactor open until the system is reset;
289 +* **Errors 1, 2 to open the main contactor** – bitfields to choose the errors which will open the main contactor.
295 295  
296 296  === Charging status ===
297 297  
298 298  To change the parameters of charging process status, select the "Control → Charging status" section:
299 299  
300 -[[image:1762774819522-147.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="140" width="800"]]
295 +[[image:1777564109089-225.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="156" width="800"]]
301 301  In this section:
302 302  
303 -* Current to set the "Charging current present" – a current level to generate the "Charging current present" signal, A;
304 -* Current to clear the "Charging current present" – a current level to clear the "Charging current present" signal, A;
305 -* Use actual voltage to generate the "Ready to charge" signal – a flag to disable voltage correction for "Ready to charge" signal;
306 -* Use actual voltage to generate the "Ready to charge" signal if the current is negative – a flag to disable voltage correction for "Ready to charge" signal only at discharging current;
307 -* Voltage to clear the “Ready to charge” – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is above this level, the “Ready to charge” (hence, the “Allow charging”) signal is cleared;
308 -* Voltage to reset the “Ready to charge” – a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cell voltages are below the tolerant level, the “Ready to charge” (hence, the “Allow charging”) signal is set;
309 -* Delay before recharging – a time after which the previously opened the allow charging contactor closes again, minute; to disable the operation by timeout set "Delay before recharging" to 0;
310 -* Check the 'Charge current limit' value to generate the 'Ready to charge' – a flag to enable check of "Charging current limit" to generate the "Ready to charge" signal;
311 -* Charge current limit to clear the 'Ready to charge' – a threshold charging current limit value, A; if the limit is //above //this level, the “Ready to charge” signal is cleared;
312 -* Charge current limit to set the 'Ready to charge' – a tolerant charging current limit value, A; if the limit is //below //this level, the “Ready to charge” signal is set;
313 -* Errors 1, 2 to clear the "Ready to charge" – bitfields to choose the errors which will clear the "Ready to charge" signal.
298 +* **Current to set the "Charging current present"** – a current level to generate the "Charging current present" signal, A;
299 +* **Current to clear the "Charging current present"** – a current level to clear the "Charging current present" signal, A;
300 +* **Use actual voltage to generate the "Ready to charge" signal** – a flag to disable voltage correction for "Ready to charge" signal;
301 +* **Use actual voltage to generate the "Ready to charge" signal if the current is negative **– a flag to disable voltage correction for "Ready to charge" signal only at discharging current;
302 +* **Voltage to clear the “Ready to charge”** – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is above this level, the “Ready to charge” (hence, the “Allow charging”) signal is cleared;
303 +* **Voltage to reset the “Ready to charge”** – a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cell voltages are below the tolerant level, the “Ready to charge” (hence, the “Allow charging”) signal is set;
304 +* **Delay before recharging** – a time after which the previously opened the allow charging contactor closes again, minute; to disable the operation by timeout set "Delay before recharging" to 0;
305 +* **Check the 'Charge current limit' value to generate the 'Ready to charge'** – a flag to enable check of "Charging current limit" to generate the "Ready to charge" signal;
306 +* **Charge current limit to clear the 'Ready to charge' **– a threshold charging current limit value, A; if the limit is //above //this level, the “Ready to charge” signal is cleared;
307 +* **Charge current limit to set the 'Ready to charge' **– a tolerant charging current limit value, A; if the limit is //below //this level, the “Ready to charge” signal is set;
308 +* **Errors 1, 2 to clear the "Ready to charge"** – bitfields to choose the errors which will clear the "Ready to charge" signal.
314 314  
315 315  (% class="box infomessage" %)
316 316  (((
317 -**Note:** The "Allow charging" signal activates under two independent conditions:
312 +**Note:** The "**Allow charging**" signal activates under two independent conditions:
318 318  1) the voltage on the cells reaches the “Voltage to reset the “Ready to charge"” level and
319 319  2) the "Delay before recharging" time has passed since the opening of the allow charging contactor.
320 320  )))
... ... @@ -325,24 +325,30 @@
325 325  
326 326  [[image:1762774840204-111.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="146" width="800"]]In this section:
327 327  
328 -* Current to set the "Discharging current present" – a current level to generate the "Discharging current present" signal, А;
329 -* Current to clear the "Discharging current present" – a current level to clear the "Discharging current present" signal, А;
330 -* Use actual voltage to generate the "Ready to discharge" signal – a flag to disable voltage correction for "Ready to discharge" signal;
331 -* Use actual voltage to generate the "Ready to discharge" signal if the current is positive – a flag to disable voltage correction for "Ready to discharge" signal only at charging current;
332 -* Voltage to clear the “Ready to discharge” – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is below this level, the “Ready to discharge” signal is cleared;
333 -* Voltage to reset the “Ready to discharge” – a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cells voltages are above the tolerant level, the “Ready to discharge” signal is set;
334 -* Check the 'Discharge current limit' value to generate the 'Ready to discharge' – a flag to enable check of "Discharging current limit" to generate the "Ready to discharge" signal;
335 -* Discharge current limit to clear the 'Ready to discharge' – a threshold discharging current limit value, A; if the limit is //above //this level, the “Ready to discharge” signal is cleared;
336 -* Discharge current limit to set the 'Ready to discharge' – a tolerant discharging current limit value, A; if the limit is //below //this level, the “Ready to discharge” signal is set;
337 -* Clear the 'Ready to discharge' signal if the 'Low SOC' signal is set;
338 -* Errors 1, 2 to clear the "Ready to discharge" – bitfields to choose the errors which will clear the "Ready to discharge" signal.
323 +* **Current to set the "Discharging current present"** – a current level to generate the "Discharging current present" signal, А;
324 +* **Current to clear the "Discharging current present"** – a current level to clear the "Discharging current present" signal, А;
325 +* **Use actual voltage to generate the "Ready to discharge" signal **– a flag to disable voltage correction for "Ready to discharge" signal;
326 +* **Use actual voltage to generate the "Ready to discharge" signal if the current is positive** – a flag to disable voltage correction for "Ready to discharge" signal only at charging current;
327 +* **Voltage to clear the “Ready to discharge”** – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is below this level, the “Ready to discharge” signal is cleared;
328 +* **Voltage to reset the “Ready to discharge” **– a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cells voltages are above the tolerant level, the “Ready to discharge” signal is set;
329 +* **Check the 'Discharge current limit' value to generate the 'Ready to discharge'** – a flag to enable check of "Discharging current limit" to generate the "Ready to discharge" signal;
330 +* **Discharge current limit to clear the 'Ready to discharge' **– a threshold discharging current limit value, A; if the limit is //above //this level, the “Ready to discharge” signal is cleared;
331 +* **Discharge current limit to set the 'Ready to discharge' **– a tolerant discharging current limit value, A; if the limit is //below //this level, the “Ready to discharge” signal is set;
332 +* **Clear the 'Ready to discharge' signal if the 'Low SOC' signal is set**;
333 +* **Errors 1, 2 to clear the "Ready to discharge"** – bitfields to choose the errors which will clear the "Ready to discharge" signal.
339 339  
340 340  === Precharge ===
341 341  
342 -The BMS Main 3 device can control the precharge contactor. The precharge contactor is used to charge the intermediate capacity with low current and usually placed with the limiting resistor in parallel to charging or discharging contactor.
337 +The BMS Mini S / BMS Mini device can control the precharge contactor. The precharge contactor is used to charge the intermediate capacity with low current and usually placed with the limiting resistor in parallel to charging or discharging contactor.
343 343  
344 -BMS Main 3 device detects errors while pre-charging the load capacity by monitoring the current and voltage difference before and after contactors. Also BMS can measure the power dissipated on precharge resistor and generate an error if it greater than configured limit.
339 +BMS Mini S / BMS Mini can check the preacharge process **only by monitoring the current**.
345 345  
341 +In **simple **mode precharge contactor closes a "Precharge time" before the closing of Charge or Discharge contactors and opens after the same amount of time after closing them.
342 +
343 +In **enhanced **mode precharge contactor will wait until the current of voltage difference requirements are met and close the Charge or Discharge contactors only after that. If waiting time is greater than "Precharge time" value, an error will be generated. Precharge contactor will open after "Precharge time" after closing the Charge of Discharge contactors.
344 +
345 +Also BMS Mini S / BMS Mini can measure the power dissipated on precharge resistor and generate an error if it is greater than configured limit.
346 +
346 346  To change the parameters of precharge contactor, select the "Control → Precharge" section:
347 347  
348 348  [[image:1754931813173-804.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="172" width="800"]]
... ... @@ -349,18 +349,18 @@
349 349  
350 350  In this section:
351 351  
352 -* Precharge current threshold to finish precharging – a minimum current value at which precharging process assumed to be finished, A;
353 -* Keep the precharging relay closed until precharge is finished – a flag to ignore the Precharge time and wait precharging to finish before open precharge relay;
354 -* Number of precharging attempts – maximum number of precharging attempts before setting the "Precharge error";
355 -* Delay before current measurement – a delay before first current measurement after closing precharge, millisecond;
356 -* Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
357 -* Relaxation between attempts – a duration between precharge attempts, millisecond;
358 -* Check the power dissipated in the preacharge resistor - a flag to enable the calculation of power dissipated in precharge resistor;
359 -* Precharge resistor resistance, Ohm;
360 -* Maximum allowable power dissipated in the resistor, W;
361 -* Delay before setting the "Precharge error" when checking power, millisecond;
362 -* Delay before clearing the "Precharge error", second;
363 -* Lock the "Precharge error" – a flag to block the error until the device is restarted.
353 +* **Precharge current threshold to finish precharging** – a minimum current value at which precharging process assumed to be finished, A;
354 +* **Keep the precharging relay closed until precharge is finished** – a flag to ignore the Precharge time and wait precharging to finish before open precharge relay;
355 +* **Number of precharging attempts** – maximum number of precharging attempts before setting the "Precharge error";
356 +* **Delay before current measurement** – a delay before first current measurement after closing precharge, millisecond;
357 +* **Precharge time **– a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
358 +* **Relaxation between attempts **– a duration between precharge attempts, millisecond;
359 +* **Check the power dissipated in the preacharge resistor** - a flag to enable the calculation of power dissipated in precharge resistor;
360 +* **Precharge resistor resistance**, Ohm;
361 +* **Maximum allowable power dissipated in the resistor**, W;
362 +* **Delay before setting the "Precharge error" when checking power**, millisecond;
363 +* **Delay before clearing the "Precharge error"**, second;
364 +* **Lock the "Precharge error"** – a flag to block the error until the device is restarted.
364 364  
365 365  “Precharge error” generation conditions if any of the following is true:
366 366  
... ... @@ -374,40 +374,29 @@
374 374  
375 375  === Charge ===
376 376  
377 -There are two contactors that serve charging the battery: a charging contactor and an allow charging contactor. With the help of the allow charging contactor, the BMS commands the charger to start or stop charging.
378 +The BMS Mini S / BMS Mini device connect battery to the charger using the "Charging" signal.
378 378  
379 -The device supports three charge control algorithms:
380 +BMS Mini S / BMS Mini supports three charge control algorithms:
380 380  
381 -* Always on – charging is always allowed;
382 -* On charger connected – charging is allowed when there is a signal “Charger connected”;
383 -* On charge request – charging is allowed when there is a signal “Charge request”.
382 +If the "**Always on**" algorithm is selected, the "Сharging" signal is always set. If at least one of the errors from the "Errors 1, 2 ..." bitfields appears or one of the signals:
384 384  
385 -If the "**Always on**" algorithm is selected, the charging contactor and the allow charging contactor are always closed. If at least one of the errors from the "Errors 1, 2 ..." bitfields appears or one of the signals:
386 -
387 387  * Service reset;
388 388  * Power down request;
389 389  * Inhibit charging,
390 390  
391 -both contactors are open (no current flows).
388 +the "Charging" signal is cleared.
392 392  
393 393  When the algorithm "**On charger connected**" is selected, the control is performed as follows:
394 394  
395 -* If there is a signal “Charger connected” and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the charging contactor and the allow charging contactor close;
396 -* If the signal “Charger connected” disappears, the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens;
397 -* If in the process of charging the voltage on the cell exceeds the “Ready to charge” level, the allow charging contactor opens (while the charging contactor remains closed);
398 -* If errors from the "Errors 1, 2 ..." bitfields occur the charging contactor and allow charging contactor open.
392 +* If there is a signal “Charger connected” and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the "Charging" signal is set;
393 +* If the signal “Charger connected” disappears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the "Charging" signal is cleared.
399 399  
400 400  When the "**On charge request**" algorithm selected, the control is performed as follows:
401 401  
402 -* If there is a signal “Charge request” and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the charging contactor and the allow charging contactor close;
403 -* If the signal “Charge request” disappears, the allow charging contactor opens and after the delay time T,,off,, the charging contactor opens;
404 -* If in the process of charging the voltage on the cell exceeds the “Ready to charge” level, the allow charging contactor opens (while the charging contactor remains closed);
405 -* If errors from the "Errors 1, 2 ..." bitfields occur the charging contactor and allow charging contactor open.
397 +* If there is a signal “Charge request” and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the "Charging" signal is set;
398 +* If the signal “Charge request” disappears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the "Charging" signal is cleared;
406 406  
407 -(% class="box infomessage" %)
408 -(((
409 -**Note: **when errors occur in the system, the **Charge **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
410 -)))
400 +**Note: **when errors occur in the system, the **"Charing" **signal is cleared either immediately or with the delay T,,off,, (depends on the settings described below).
411 411  
412 412  To change the parameters of the battery charge control algorithm, select the "Control → Charge" section:
413 413  
... ... @@ -415,51 +415,47 @@
415 415  
416 416  In this section:
417 417  
418 -* Enable – a flag to activate the charge control;
419 -* Algorithm:
420 -** Always on – charging is always allowed;
421 -** On charger connected – charging is allowed when there is a signal “Charger connected”;
422 -** On charge request – charging is allowed when there is a signal “Charge request”;
423 -* Allow charging only when the "Ready to charge" signal is set – charging contactor will open if "Ready to charge" signal is cleared;
424 -* Delay before starting charging – a time delay T,,on,, before closing the charging contactor and the allow charging contactor, millisecond;
425 -* Delay before stopping charging – a time delay T,,off,, before opening the charging contactor, millisecond;
426 -* Control the precharging contactor – a flag that allows control of the precharging contactor (see [[Precharge>>url:http://#HPrecharge]]);
427 -* Use custom delays before stopping charging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
428 -* Errors 1, 2 to open the charging contactor – bitfields to choose the errors which will open the charging contactor;
429 -* Custom delay: <error> – specific error delay, millisecond;
430 -* Switch off the charging contactor on errors without delay – a flag to protectively open the charging contactor without a delay. In the opposite case, when an error is detected, the charging contactor opens always with the delay “Delay before stopping charging”;
408 +* **Enable **– a flag to activate the charge control;
409 +* **Algorithm**:
410 +** **Always on** – charging is always allowed;
411 +** **On charger connected** – charging is allowed when there is a signal “Charger connected”;
412 +** **On charge request** – charging is allowed when there is a signal “Charge request”;
413 +* **Allow charging only when the "Ready to charge" signal is set** – charging contactor will open if "Ready to charge" signal is cleared;
414 +* **Delay before starting charging** – a time delay T,,on,, before closing the charging contactor and the allow charging contactor, millisecond;
415 +* **Delay before stopping charging** – a time delay T,,off,, before opening the charging contactor, millisecond;
416 +* **Control the precharging contactor** – a flag that allows control of the precharging contactor while closing the charge contactor (see [[Precharge>>url:https://docs.movicomelectric.com/bin/view/Battery%20management%20systems/BMS%20Main%203/3.%20Configuration/3.3%20Control/?language=en#HPrecharge]]);
417 +* **Errors 1, 2 to open the charging contactor** – bitfields to choose the errors which will open the charging contactor;
418 +* **Use custom delays before stopping charging (on errors)** – a flag to enable manual settings of time delays T,,off,, for specific errors;
419 +* **Custom delay: <error>** – delay for specific error, millisecond;
420 +* **Switch off the charging contactor on errors without delay** – a flag to protectively open the charging contactor without a delay. In the opposite case, when an error is detected, the charging contactor opens always with the delay “Delay before stopping charging”.
431 431  
432 432  === Discharge ===
433 433  
434 -The device controls the discharging contactor to connect battery to the load.
424 +The BMS Mini S / BMS Mini device connect battery to the load using the "Discharging" signal.
435 435  
436 -The device supports three algorithms to control battery discharging:
426 +BMS Mini S / BMS Mini device supports three algorithms to control battery discharging:
437 437  
438 -* Always on – load is always connected;
439 -* On charger disconnected – load is connected when there is no signal “Charger connected”;
440 -* On discharge request – load is connected when there is signal “Discharge request”.
428 +When the algorithm "**Always on**" is selected, the "Discharging" signal is always set. If at least one of the errors from the "Errors 1, 2 ..." bitfields appears or one of the signals:
441 441  
442 -When the algorithm "**Always on**" is selected, the discharging contactor is always closed. If at least one of the errors from the "Errors 1, 2 ..." bitfields appears or one of the signals:
443 -
444 444  * Service reset
445 445  * Power down request
446 446  * Inhibit discharging
447 447  
448 -the discharging contactor opens.
434 +the "Discharging" signal is cleared.
449 449  
450 450  If the algorithm "**On charger disconnected**" is selected, the control is performed as follows:
451 451  
452 -* if there is no signal “Charger connected”, the charging contactor is open and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the discharging contactor closes;
453 -* If the signal “Charger connected” appears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the discharging contactor opens.
438 +* if there are no “Charger connected” and "Charging" signals and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the "Discharging" signal is set;
439 +* If the signal “Charger connected” appears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the "Discharging" signal is cleared.
454 454  
455 455  When the "**On discharge request**" algorithm selected, the control is performed as follows:
456 456  
457 -* if there is signal “Discharge request”, the charging contactor is open and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the discharging contactor closes;
458 -* If the signal “Discharge request” disappears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the discharging contactor opens.
443 +* if there is signal “Discharge request” and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the "Discharging" signal is set;
444 +* If the signal “Discharge request” disappears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the "Discharging" signal is cleared.
459 459  
460 460  (% class="box infomessage" %)
461 461  (((
462 -**Note: **when errors occur in the system, the **Discharge **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
448 +**Note: **when errors occur in the system, the **"Discharge" **signal is cleared either immediately or with the delay T,,off,, (depends on the settings described below).
463 463  )))
464 464  
465 465  To change the parameters of the battery discharge control algorithm, select the "Control → Discharge" section:
... ... @@ -468,35 +468,48 @@
468 468  
469 469  In this section:
470 470  
471 -* Enable – a flag to activate the discharge control;
472 -* Algorithm:
473 -** Always on – load is always connected;
474 -** On charger disconnected – load is connected when there is no signal “Charger connected”;
475 -** On discharge request – load is connected when there is signal “Discharge request”;
476 -* Allow charging only when the "Ready to discharge" signal is set – discharging contactor will open if "Ready to discharge" signal is cleared;
477 -* Delay before starting discharging – a time delay T,,on,, before closing the discharging contactor, millisecond;
478 -* Delay before stopping discharging – a time delay T,,off,, before opening the discharging contactor, millisecond;
479 -* Control the precharging contactor – a flag that allows control of the precharging contactor while closing the discharge contactor (see [[Precharge>>path:#HPrecharge]]);
480 -* Errors 1, 2 to open the discharging contactor – bitfields to choose the errors which will open the discharging contactor;
481 -* Use custom delays before stopping discharging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
482 -* Custom delay: <error> – specific error delay, millisecond;
483 -* Switch off the discharging contactor on errors without delay – a flag to protectively open the discharging contactor without a delay. In the opposite case, when an error is detected, the discharging contactor opens always with the delay “Delay before stopping discharging”.
457 +* **Enable **– a flag to activate the discharge control;
458 +* **Algorithm**:
459 +** **Always on** – load is always connected;
460 +** **On charger disconnected** – load is connected when there is no signal “Charger connected”;
461 +** **On discharge request** – load is connected when there is signal “Discharge request”;
462 +* **Allow charging only when the "Ready to discharge" signal is set** – discharging contactor will open if "Ready to discharge" signal is cleared;
463 +* **Delay before starting discharging** – a time delay T,,on,, before closing the discharging contactor, millisecond;
464 +* **Delay before stopping discharging** – a time delay T,,off,, before opening the discharging contactor, millisecond;
465 +* **Control the precharging contactor** – a flag that allows control of the precharging contactor while closing the discharge contactor (see [[Precharge>>url:https://docs.movicomelectric.com/bin/view/Battery%20management%20systems/BMS%20Main%203/3.%20Configuration/3.3%20Control/?language=en#HPrecharge]]);
466 +* **Errors 1, 2 to open the discharging contactor** – bitfields to choose the errors which will open the discharging contactor;
467 +* **Use custom delays before stopping discharging (on errors)** – a flag to enable manual settings of time delays T,,off,, for specific errors;
468 +* **Custom delay: <error>** – specific error delay, millisecond;
469 +* **Switch off the discharging contactor on errors without delay** – a flag to protectively open the discharging contactor without a delay. In the opposite case, when an error is detected, the discharging contactor opens always with the delay “Delay before stopping discharging”.
484 484  
485 485  === Charge/Discharge ===
486 486  
487 -The BMS Mini device can control the charging/discharging contactor that is used to both charge and discharge the battery.
473 +The BMS Mini S / BMS Mini device can control the contactor, used in power line both used for connecting battery to charger and load, by using the "Charging/Discharging" signal.
488 488  
489 -Charge/Discharge contactor has three algorithms of operation:
475 +"Charging/Discharging" signal has three algorithms of operation:
490 490  
491 -* Dependent (on Charging and Discharging signals) - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals and behaves as Charging contactor if Charging signal is set, otherwise – as Discharging contactor;
492 -* Independent (Always) - Charge/Discharge contactor is always closed if there is no errors;
493 -* Independent (on Charge request or Discharge request) - Charge/Discharge contactor is based on its own controller that listen to Charge and Discharge requests and closes if one of these signals occurs.
477 +On **Dependent (on Charging and Discharging signals)** algorithm the "Charging/Discharging" signal depends on Charge and Discharge controllers and equal to:
494 494  
495 -TBA
479 +* "Charging" signal if "Charging" signal is set;
480 +* "Discharging" signal in other cases.
496 496  
482 +When **Independent (Always) **algorithm is selected, the "Charging/Discharging" signal is always set. If at least one of the errors from the "Errors 1, 2 ..." bitfields appears or one of the signals:
483 +
484 +* Service reset
485 +* Power down request
486 +* Inhibit charging
487 +* Inhibit discharging
488 +
489 +the Charging/Discharging signal is cleared.
490 +
491 +On **Independent (on Charge request or Discharge request)** algorithm "Charging/Discharging" signal is based on its own controller and performs as follows:
492 +
493 +* if there is "Charge request" or "Discharge request" signal and there are no errors (see the "Errors 1, 2 ..." bitfields), then through the delay time T,,on,, the Charging/Discharging signal is set;
494 +* If the "Charge request" and "Discharge request" disappears or errors occur (see the "Errors 1, 2 ..." bitfields), then after the delay time T,,off,, the "Charging/Discharging" signal is cleared.
495 +
497 497  (% class="box infomessage" %)
498 498  (((
499 -**Note: **when errors occur in the system, the **Charge/Discharge **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
498 +**Note: **when errors occur in the system, the **Charge/Discharge **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
500 500  )))
501 501  
502 502  The charging/discharging contactor control is configured in the “Control – Charge/Discharge” section:
... ... @@ -505,23 +505,23 @@
505 505  
506 506  In this section:
507 507  
508 -* Enable – a flag to enable the charge/discharge controller.
509 -* Algorithm:
510 -** Dependent (on Charging and Discharging signals) - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals and behaves as Charging contactor if Charging signal is set, otherwise – as Discharging contactor;
511 -** Independent (Always) - Charge/Discharge contactor is always closed if there is no errors;
512 -** Independent (on Charge request or Discharge request);
513 -* Delay before starting charging or discharging, millisecond;
514 -* Delay before stopping charging or discharging, millisecond;
515 -* Control the precharging contactor – a flag that enables control of precharging contactor while closing the charge/discharge contactor;
516 -* Emulate the "Charging" and "Discharging" signals – a flag to enable generation of "Charging" and "Discharging" signals when closing charge/discharge contactor;
517 -* Errors 1, 2 to prevent CHARGING through charging/discharging contactor, Errors 1, 2 to prevent DISCHARGING through charging/discharging contactor – bitfields to choose the errors which will open the charging/discharging contactor. This bitfields are combined by bitwise OR and intended to separate settings for charging and discharging processes;
518 -* Errors 1, 2 which affect the contactor only if battery CHARGING is detected – a bitfield to choose the errors which will trigger only if charging current is present. This bitfield is combined with "Errors 1, 2 to prevent CHARGING through charging/discharging contactor" by bitwise AND;
519 -* Errors 1, 2 which affect the contactor only if battery DISCHARGING is detected – a bitfield to choose the errors which will trigger only if discharging current is present. This bitfield is combined with "Errors 1, 2 to prevent DISCHARGING through charging/discharging contactor" by bitwise AND;
520 -* Switch off the charging/discharging contactor on errors without delay – a flag to protectively open the charging/discharging contactor without a delay. In the opposite case, when an error is detected, the charging/discharging contactor opens always with the delay “Delay before stopping discharging”.
507 +* **Enable **– a flag to enable the charge/discharge controller.
508 +* **Algorithm**:
509 +** **Dependent (on Charging and Discharging signals)** - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals and behaves as Charging contactor if Charging signal is set, otherwise – as Discharging contactor;
510 +** **Independent (Always)** - Charge/Discharge contactor is always closed if there is no errors;
511 +** **Independent (on Charge request or Discharge request)**;
512 +* **Delay before starting charging or discharging**, millisecond;
513 +* **Delay before stopping charging or discharging**, millisecond;
514 +* **Control the precharging contactor** – a flag that enables control of precharging contactor while closing the charge/discharge contactor;
515 +* **Emulate the "Charging" and "Discharging" signals** – a flag to enable generation of "Charging" and "Discharging" signals in Independet mode when closing Charge/Discharge contactor. **DO NOT** use with enabled Charge and Discharge controllers;
516 +* **Errors 1, 2 to prevent CHARGING through charging/discharging contactor, Errors 1, 2 to prevent DISCHARGING through charging/discharging contactor** – bitfields to choose the errors which will open the charging/discharging contactor. This bitfields are combined by bitwise OR and intended to separate settings for charging and discharging processes;
517 +* **Errors 1, 2 which affect the contactor only if battery CHARGING is detected** – a bitfield to choose the errors which will trigger only if charging current is present. This bitfield is combined with "Errors 1, 2 to prevent CHARGING through charging/discharging contactor" by bitwise AND;
518 +* **Errors 1, 2 which affect the contactor only if battery DISCHARGING is detected** – a bitfield to choose the errors which will trigger only if discharging current is present. This bitfield is combined with "Errors 1, 2 to prevent DISCHARGING through charging/discharging contactor" by bitwise AND;
519 +* **Switch off the charging/discharging contactor on errors without delay** – a flag to protectively open the charging/discharging contactor without a delay. In the opposite case, when an error is detected, the charging/discharging contactor opens always with the delay “Delay before stopping discharging”.
521 521  
522 522  === Discharge (AUX) ===
523 523  
524 -The BMS Mini device can control the power supply of external equipment using the auxiliary (AUX) discharging contactor. An example of external equipment can be an inverter that converts DC to AC to power a service laptop and other devices.
523 +The BMS Mini S / BMS Mini device can control the power supply of external equipment using the auxiliary (AUX) discharging contactor. An example of external equipment can be an inverter that converts DC to AC to power a service laptop and other devices.
525 525  
526 526  The power supply circuit of the external equipment using the auxiliary (AUX) discharging contactor is independent of the battery load circuit. The closing and opening of the auxiliary (AUX) discharging contactor is performed according to its program.
527 527  
... ... @@ -533,31 +533,31 @@
533 533  
534 534  To change the parameters of the powering of external equipment, select the "Control → Discharge (AUX)" section:
535 535  
536 -
537 537  [[image:1740400254884-851.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="179" width="800"]]
536 +
538 538  In this section:
539 539  
540 -* Enable – a flag to activate the auxiliary discharge control;
541 -* Switch off the discharging (AUX) contactor if the SOC is too low;
542 -* Minimum SOC – a minimum SOC value, when reached, the auxiliary (AUX) discharging contactor opens, %;
543 -* Tolerant SOC – a permissive SOC value, upon reaching which the auxiliary (AUX) discharging contactor re-closes, %;
544 -* Switch off the discharging (AUX) contactor if the cell voltage is out of the range;
545 -* Minimum cell voltage, V;
546 -* Maximum cell voltage, V;
547 -* Switch off the discharging (AUX) contactor if the battery voltage is out of the range;
548 -* Minimum battery voltage, V;
549 -* Maximum battery voltage, V;
550 -* Errors 1, 2 to open the auxiliary discharging contactor – bitfields to choose the errors which will open the auxiliary discharging contactor.
539 +* **Enable **– a flag to activate the auxiliary discharge control;
540 +* **Switch off the discharging (AUX) contactor if the SOC is too low**;
541 +* **Minimum SOC** – a minimum SOC value, when reached, the auxiliary (AUX) discharging contactor opens, %;
542 +* **Tolerant SOC** – a permissive SOC value, upon reaching which the auxiliary (AUX) discharging contactor re-closes, %;
543 +* **Switch off the discharging (AUX) contactor if the cell voltage is out of the range**;
544 +* **Minimum cell voltage**, V;
545 +* **Maximum cell voltage**, V;
546 +* **Switch off the discharging (AUX) contactor if the battery voltage is out of the range**;
547 +* **Minimum battery voltage**, V;
548 +* **Maximum battery voltage**, V;
549 +* **Errors 1, 2 to open the auxiliary discharging contactor** – bitfields to choose the errors which will open the auxiliary discharging contactor.
551 551  
552 552  === Cell balancing ===
553 553  
554 554  Balancing makes the voltage of all cells equal to the minimum cell voltage.
555 555  
556 -The following balancing rules are supported:
555 +The following **balancing rules** are supported:
557 557  
558 -* when the battery is charging (current I > 0) and time after until the battery is relaxed;
559 -* when the battery is charging (current I > 0) or when the battery is in a state of relaxation;
560 -* always (regardless of battery state).
557 +* **Balance on charge** – perform balancing when the battery is charging (current I > 0) and time after until the battery is relaxed;
558 +* **Balance on charge or relaxed** – perform balancing when the battery is charging (current I > 0) or when the battery is in a state of relaxation ​​​​​;
559 +* **Balance always** regardless of battery state.
561 561  
562 562  A balancing resistor is connected to the cell if the following conditions are simultaneously met:
563 563  
... ... @@ -574,33 +574,35 @@
574 574  If the “High logic temperature” occurs, then the balancing of the cells connected to the overheated BMS Logic device will not be performed.
575 575  )))
576 576  
577 -The BMS Mini device can enable the cell balancing by the external “Balancing request” signal. Balancing process will be started to cells which the voltage is higher than the balancing start voltage and the difference between the cell voltage and the minimum voltage among all the cells is greater than the balancing stop threshold.
576 +The BMS Mini S / BMS Mini device can enable the cell balancing by the external “**Balancing request**” signal. Balancing process will be started to cells which the voltage is higher than the balancing start voltage and the difference between the cell voltage and the minimum voltage among all the cells is greater than the balancing stop threshold.
578 578  
579 -BMS Mini device can force a cell balancing, if its voltage is higher than estimated value.
578 +BMS Mini S / BMS Mini device can **force balancing** of the cell, if its voltage is higher than estimated value.
580 580  
581 581  To change the cell balancing parameters, select the "Control → Cell balancing" section:
582 582  
583 583  [[image:1740404562825-676.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="168" width="800"]]
583 +
584 584  In this section:
585 585  
586 -* Enable – a flag to enable cell balancing;
587 -* Balancing rule:
588 -** Balance on charge;
589 -** Balance on charge or relaxed;
590 -** Balance always;
591 -* Balancing condition:
592 -** Automatic – balancing will be performed automatically if needed conditions are met;
593 -** On balancing request – balancing will start only if a remote request is received. In this case cells will start to balance regardless the "Voltage deviation to start balancing" value;
594 -* Minimum cell voltage to start balancing, V;
595 -* Voltage deviation to start balancing;
596 -* Voltage deviation to stop balancing;
597 -* Voltage for forced balancing – if cell voltage is above this value, it will start discharging through balancing resistor;
598 -* Maximum allowable temperature of the board, ºC;
599 -* Command to discharge all cells – a flag to force the balancing of all cells.
586 +* **Enable **– a flag to enable cell balancing;
587 +* **Balancing rule**:
588 +** **Balance on charge** – balancing is performed while and after the charging (in the “Charge ON” and “Charge OFF” states);
589 +** **Balance on charge or relaxed** - balancing is performed while and after the charging and in the relaxed state (in “Charge ON”, “Charge OFF”, “Relaxed (after charging)” and “Relaxed (after discharging)” states);
590 +** **Balance always** – balancing is always performed regardless the battery state;
591 +* **Balancing condition**:
592 +** **Automatic **– balancing will be performed automatically if needed conditions are met;
593 +** **On balancing request** – balancing will start only if a remote request is received. In this case cells will start to balance regardless the "Voltage deviation to start balancing" value;
594 +* **Minimum cell voltage to start balancing**, V;
595 +* **Voltage deviation to start balancing**;
596 +* **Voltage deviation to stop balancing**;
597 +* **Voltage to start forced balancing** – if cell voltage is above this value, it will start discharging through balancing resistor;
598 +* **Voltage to stop forced balancing** – if cell voltage is below this value, it will stop discharging through balancing resistor;
599 +* **Maximum allowable temperature of BMS Logic devices**, ºC;
600 +* **Command to discharge all cells** – a flag to force the balancing of all cells.
600 600  
601 601  === Power down ===
602 602  
603 -The BMS Mini device can shut down itself if the battery voltage is low or the battery is idle for a long time.
604 +The BMS Mini S / BMS Mini device can shut down itself if the battery voltage is low or the battery is idle for a long time.
604 604  
605 605  Shutting down the battery system is performed according to the following conditions:
606 606  
... ... @@ -607,7 +607,7 @@
607 607  * the battery voltage is below the minimum level;
608 608  * the “Charger connected” signal is cleared for 60 seconds.
609 609  
610 -The BMS Mini device also shuts down the battery if it stays in the “Charging OFF”, “Discharging OFF”, “Relaxed (after charging)” or “Relaxed (after discharging)” for the set time.
611 +The BMS Mini S / BMS Mini device also shuts down the battery if it **stays for a long time **in the “Charging OFF”, “Discharging OFF”, “Relaxed (after charging)” or “Relaxed (after discharging)” state.
611 611  
612 612  To change the parameters of the power down control, select the "Control → Power down" section:
613 613  
... ... @@ -614,10 +614,10 @@
614 614  [[image:1740404859367-943.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="130" width="800"]]
615 615  In this section:
616 616  
617 -* Minimum voltage to power down – a minimum voltage level of the battery below which the BMS commands to shut down the battery, V;
618 -* Idle time to power down – a time of battery inactivity after which the battery is shut down, minute;
619 -* Wait the "Power up/down request" is cleared (on startup) – a flag to enable delay for clearing the “Power up/down request” signal while starting the BMS;
620 -* Delay before setting the internal power down signal – a delay before turning off the device power when receiving the “Power down request” command, ms.
618 +* **Minimum voltage to power down** – a minimum voltage level of the battery below which the BMS commands to shut down the battery, V;
619 +* **Idle time to power down** – a time of battery inactivity after which the battery is shut down, minute;
620 +* **Wait the "Power up/down request" is cleared (on startup)** – a flag to enable delay for clearing the “Power up/down request” signal while starting the BMS.
621 +* **Delay before setting the internal power down signal** – a delay before turning off the device power when removing KEYRUN and CHARGE_ON or receiving the “Power down request” command, ms.
621 621  
622 622  === Heater ===
623 623  
... ... @@ -626,23 +626,25 @@
626 626  [[image:1777293968000-235.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="141" width="800"]]
627 627  In this section:
628 628  
629 -* Enable – a flag to enable heater control;
630 -* Minimum cell temperature, °C;
631 -* Tolerant cell temperature, °C;
632 -* Start the heater only if "Charger connected" signal is set;
633 -* Delay before starting the heater, millisecond;
634 -* Delay before stopping the heater, millisecond;
635 -* Errors 1, 2 to turn off the heater – bitfields to choose the errors which will turn off the heater.
630 +* **Enable **– a flag to enable the heater control;
631 +* **Minimum cell temperature**, °C;
632 +* **Tolerant cell temperature**, °C;
633 +* **Start the heater only if "Charger connected" signal is set**;
634 +* **Delay before starting the heater**, millisecond;
635 +* **Delay before stopping the heater**, millisecond;
636 +* **Errors 1, 2 to open the heater** – bitfields to choose the errors which will open the heater.
636 636  
637 637  As a result of operating the heating algorithm, the “Heater” signal is generated.
638 638  
639 639  Conditions for signal generation:
640 640  
641 -* The minimum temperature among all cells of the battery is less than the “Minimum cell temperature” value during the “Delay before starting the heater” time.
642 +* the minimum temperature among all cells of the battery is less than the “Minimum cell temperature” value during the “Delay before starting the heater” time;
643 +* there are no errors from "Errors 1, 2..." bitfields.
642 642  
643 643  Conditions for clearing the signal:
644 644  
645 -* the minimum temperature among all cells of the battery is greater than the “Tolerant cell temperature” value during the “Delay before stopping the heater” time.
647 +* the minimum temperature among all cells of the battery is greater than the “Tolerant cell temperature” value during the “Delay before stopping the heater” time;
648 +* there is an error from "Errors 1, 2..." bitfields.
646 646  
647 647  (% class="box infomessage" %)
648 648  (((
... ... @@ -655,24 +655,27 @@
655 655  
656 656  
657 657  [[image:1740405145695-704.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="149" width="800"]]
661 +
658 658  In this section:
659 659  
660 -* Enable – a flag to enable cooler control;
661 -* Maximum cell temperature, °C;
662 -* Tolerant cell temperature, °C;
663 -* Delay before starting the cooler, millisecond;
664 -* Delay before stopping the cooler, millisecond;
665 -* Errors 1, 2 to turn off the heater – bitfields to choose the errors which will turn off the cooler.
664 +* **Enable** – a flag to enable the cooler control;
665 +* **Maximum cell temperature**, °C;
666 +* **Tolerant cell temperature**, °C;
667 +* **Delay before starting the cooler**, millisecond;
668 +* **Delay before stopping the cooler**, millisecond;
669 +* **Errors 1, 2 to open the cooler **– bitfields to choose the errors which will open the cooler.
666 666  
667 667  As a result of operating the cooling algorithm, the "Cooler" signal is generated.
668 668  
669 669  Conditions for signal generation:
670 670  
671 -* the maximum temperature among all cells of the battery is greater than the “Maximum cell temperature” value during the “Delay before starting the cooler” time.
675 +* the maximum temperature among all cells of the battery is greater than the “Maximum cell temperature” value during the “Delay before starting the cooler” time;
676 +* there are no errors from "Errors 1, 2..." bitfields.
672 672  
673 673  Conditions for clearing the signal:
674 674  
675 -* the maximum temperature among all cells of the battery is less than the “Tolerant cell temperature” value during the “Delay before stopping the cooler” time.
680 +* the maximum temperature among all cells of the battery is less than the “Tolerant cell temperature” value during the “Delay before stopping the cooler” time;
681 +* there is an error from "Errors 1, 2..." bitfields.
676 676  
677 677  (% class="box infomessage" %)
678 678  (((
... ... @@ -683,7 +683,7 @@
683 683  
684 684  Discharge characteristics of the battery – the dependence Uocv = Uocv (DOD) – is used to determine the tabular dependence Uocv = Uocv (SOC, t °C), which is necessary for calculating the state of charge of the battery.
685 685  
686 -The BMS Mini device can automatically determine the battery discharge characteristic.
692 +The BMS Mini S / BMS Mini device can automatically determine the battery discharge characteristic.
687 687  
688 688  Before starting the process of determining the discharge characteristic, it is necessary to prepare a BMS:
689 689  
... ... @@ -696,20 +696,16 @@
696 696  
697 697  In this section:
698 698  
699 -* Enable – a flag to enable cell analysis;
700 -* Discharge step, Ah;
701 -* Delta voltage – a maximum allowable voltage drop for the cell, V;
702 -* Cell index – a position of the analyzed cell;
703 -* Analyse the most discharged cell – a flag to analyse of the least charged cell (in this case, the value “Cell index” is ignored).
705 +* **Enable **– a flag to enable cell analysis;
706 +* **Discharge step**, Ah;
707 +* **Delta voltage** – a maximum allowable voltage drop for the cell, V;
708 +* **Cell index** – a position of the analyzed cell;
709 +* **Analyse the most discharged cell** – a flag to analyse of the least charged cell (in this case, the values “Logic index” and “Cell index” are ignored).
704 704  
705 -Discharge step should be set equal to
711 +Discharge step should be set equal to С/21, where C is the cell capacity.
706 706  
707 -Discharge step= С/21,
713 +The discharge characteristic will be constructed for the given cell (its position is determined by the fields “Logic index” and “Cell index”).
708 708  
709 -where C is the cell capacity.
710 -
711 -The discharge characteristic will be constructed for the given cell (its position is determined by the field “Cell index”).
712 -
713 713  The algorithm for determining the discharge characteristic of the battery will be started if the “Enable” flag is set. From this moment, the control of the discharge contactor is performed by this algorithm.
714 714  
715 715  Algorithm steps:
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