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To version 13.3
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1 -Battery management systems.BMS Main 2\.1.3\. Configuration.WebHome
1 +drafts.bms-main-2.configuration.WebHome
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1 -(% data-numbered-headings-start="3" style="--numbered-headings-start: 2;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
2 -= Configuration =
1 +== 3.3.1 Input signals ==
3 3  
4 -(% data-numbered-headings-start="3" style="--numbered-headings-start: 2;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
5 -== Input and output signals ==
3 +The BMS Main 2.x board has 4 discrete inputs of the "dry contact" type. For each discrete input, its purpose and the inversion requirement are specified. The following discrete input assignment options are supported:
6 6  
7 -=== Input signals ===
5 +* no signal;
6 +* signal from battery cover;
7 +* charger connected;
8 +* power up/down request;
9 +* inhibit charging;
10 +* inhibit discharging;
11 +* CH contactor feedback;
12 +* DCH contactor feedback;
13 +* Insulation status;
14 +* Charge request;
15 +* Precharge request;
16 +* Discharge request;
17 +* PCH contactor feedback;
18 +* CH/DCH contactor feedback;
19 +* Main contactor feedback.
8 8  
9 -The BMS Main 2.x board has **4 discrete inputs** of the "dry contact" type. For each discrete input, its purpose and the inversion requirement are specified.
21 +If the "Signal from the battery cover" assignment is selected, the discrete input is used to monitor the state of the battery cover (see section Battery cover protection).
10 10  
11 -BMS Main 2.x board has **4 analog inputs** for connecting current, temperature and humidity sensors.
23 +if the "Charger connected" assignment is selected, the discrete input is involved in the algorithms of charge and discharge control (see sections Charge control and Discharge control).
12 12  
13 -The order of the numbering of the discrete and analog inputs corresponds to the order of the numbering on the board.
25 +If the "Power up/down request" assignment is selected, the discrete input is involved in the algorithms of opening the charging and discharging relays and sending acknowledgment of power down to the external equipment (see sections Charge control and Discharge control).
14 14  
15 -(% id="cke_bm_2415S" style="display:none" %) (%%)To configure the input discrete and analog signals, select the menu "Signals → Input signals":
16 -
17 -[[image:1732201986070-992.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="290" width="272"]]
18 -
19 -(% class="box infomessage" %)
20 -(((
21 -A list of available **discrete input assignments **is available in [[Input signals>>doc:Battery management systems.Additional information.1\. Battery controllers\: signals and errors.WebHome||anchor="HInputsignals"]].
22 -)))
23 -
24 -If the "Signal from the battery cover" assignment is selected, the discrete input is used to monitor the state of the battery cover (see [[Battery cover protection>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HBatterycoverprotection"]]).
25 -
26 -if the "Charger connected" assignment is selected, the discrete input is involved in the algorithms of charge and discharge control (see [[Charging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargingcontrol"]] and [[Discharging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargingcontrol"]]).
27 -
28 -If the "Power up/down request" assignment is selected, the discrete input is involved in the algorithms of opening the charging and discharging relays and sending acknowledgment of power down to the external equipment (see [[Charging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargingcontrol"]] and [[Discharging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargingcontrol"]]).
29 -
30 30  If the “Inhibit charging” assignment is selected, the discrete input is used to open the charging relay.
31 31  
32 32  If the “Inhibit discharging” assignment is selected, the discrete input is used to open the discharging relay.
33 33  
34 -If the “CH contactor feedback”, “DCH contactor feedback”, “PCH contactor feedback”, “CH/DCH contactor feedback” or “Main contactor feedback” assignment is selected, the discrete input is involved in monitoring the corresponding contactor’s feedback signal (see [[Contactor feedback check>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HContactorfeedbackcheck"]]).
31 +If the “CH contactor feedback”, “DCH contactor feedback”, “PCH contactor feedback”, “CH/DCH contactor feedback” or “Main contactor feedback” assignment is selected, the discrete input is involved in monitoring the corresponding contactor’s feedback signal (see section Contactor feedback check).
35 35  
36 -If the “Charge request”, “Precharge request” or “Discharge request” assignment is selected, the discrete input is used to control opening the corresponding contactor (see [[Charging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargingcontrol"]] and [[Discharging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargingcontrol"]]).
33 +If the “Charge request”, “Precharge request” or “Discharge request” assignment is selected, the discrete input is used to control opening the corresponding contactor (see sections Charge control and Discharge control).
37 37  
38 -If the “Insulation status” assignment is selected, the discrete input is used to monitor a signal from an external insulation monitoring device (see [[Insulation monitoring>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HInsulationmonitoring"]]).
35 +If the “Insulation status” assignment is selected, the discrete input is used to monitor a signal from an external insulation monitoring device (see section Insulation monitoring).
39 39  
40 40  
41 -**Analog inputs** in this section:
38 +BMS Main 2.x board has 4 analog inputs for connecting current, temperature and humidity sensors. **Assignment of analog inputs must be selected as follows**:
42 42  
43 -* No input;
44 -* Current sensor;
45 -* Current zero level;
46 -* Temperature sensor;
47 -* Humidity sensor;
48 -* Current sensor (AUX) – additional current sensor for measuring current in a series of cells;
49 -* Current zero level (AUX) – zero level bus for additional current sensor.
50 -
51 -**Assignment of analog inputs must be selected as follows**:
52 -
53 53  * Analog Input #1 – Current sensor;
54 54  * Analog Input #2 – No input / Current sensor reference line / Current sensor (2nd range) (see note);
55 55  * Analog Input #3 – No input / Temperature sensor / Current sensor (AUX);
... ... @@ -57,7 +57,7 @@
57 57  
58 58  (% class="box warningmessage" %)
59 59  (((
60 -**Important**: the connection of an additional current sensor (AUX) is possible for special hardware revision of the BMS Main 2.x board. Using an additional current sensor is possible in the configuration when BMS Main serves two galvanically isolated cell series (see [[Series balancing>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.4 Battery parameters.WebHome||anchor="HSeriesbalancing"]]).
47 +**Important**: the connection of an additional current sensor (AUX) is possible for special hardware revision of the BMS Main 2.x board. Using an additional current sensor is possible in the configuration when BMS Main serves two galvanically isolated cell series (see section Series balancing).
61 61  )))
62 62  
63 63  (% class="box warningmessage" %)
... ... @@ -70,14 +70,48 @@
70 70  **Note:** The default setting for Analog input #2 is "No signal". If it is necessary to use a current sensor with an additional zero level signal, set the "Current sensor reference line" assignment.
71 71  )))
72 72  
73 -=== Current sensor ===
60 + To configure the input discrete and analog signals, select the menu "Signals → Input signals":
74 74  
62 +[[Input signals section>>image:1732201986070-992.png||data-xwiki-image-style-alignment="center" height="290" width="272"]]
63 +
64 + The order of the numbering of the discrete and analog inputs corresponds to the order of the numbering on the board.
65 +
66 +In this section:
67 +
68 +* Discrete inputs:
69 +** No input;
70 +** Battery cover – a signal from the battery cover trailer;
71 +** Charger connected – a signal from the charger connector;
72 +** Power up/down request – a signal from the external power monitor which is used for proper powering BMS up or down;
73 +** Inhibit charging – a command to open the charging relay;
74 +** Inhibit discharging – a command to open the discharging relay;
75 +** CH contactor feedback – a feedback signal from the charging contactor;
76 +** DCH contactor feedback – a feedback signal from the discharging contactor;
77 +** Insulation status – a signal from an external insulation monitoring device;
78 +** Charge request – a request for closing the charging contactor;
79 +** Precharge request – a request for closing the precharging contactor;
80 +** Discharge request – a request for closing the discharging contactor;
81 +** PCH contactor feedback – a feedback signal from the precharging contactor;
82 +** CH/DCH contactor feedback – a feedback signal from the charging/discharging contactor;
83 +** Main contactor feedback – a feedback signal from the main contactor.
84 +* Analog inputs:
85 +** No input;
86 +** Current sensor;
87 +** Current zero level;
88 +** Temperature sensor;
89 +** Humidity sensor;
90 +** Current sensor (AUX) – additional current sensor for measuring current in a series of cells;
91 +** Current zero level (AUX) – zero level bus for additional current sensor.
92 +
93 +== 3.3.2 Current sensor ==
94 +
75 75  After selecting the assignment of the analog inputs, you need to configure the parameters of the sensors connected to the board.
76 76  
77 77  To configure the current sensor parameters, select the menu "Signals → Current sensor":
78 78  
79 -[[image:1732202357233-620.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="453" width="284"]]
99 +[[Current sensor settings>>image:1732202357233-620.png||data-xwiki-image-style-alignment="center" height="453" width="284"]]
80 80  
101 +
81 81  In the «Primary sensor» и «Auxiliary sensor» sections:
82 82  
83 83  * Sensor type – drop-down menu with supported sensor types;
... ... @@ -102,21 +102,21 @@
102 102  
103 103  Calibration of the current sensor (“Calibrate sensor on startup” flag) is necessary if the sensor does not have a reference line (zero level signal).
104 104  
105 -=== Current shunt sensor ===
126 +== 3.3.3 Current shunt sensor ==
106 106  
107 107  To configure the shunt current sensor parameters, select the menu "Signals → Current shunt sensor":
108 108  
109 -[[image:1732202640889-562.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="342" width="265"]]
130 +[[Shunt sensor settings>>image:1732202640889-562.png||data-xwiki-image-style-alignment="center" height="342" width="265"]]
110 110  
111 111  In this section:
112 112  
113 113  * Settings:
114 -** Enable – a flag to start interaction with BMS Current Sensor (if interaction is enabled then BMS doesn’t use Hall-Effect current sensor which settings are described in the menu "Signals → Current sensor");
115 -** Node ID – an address of BMS Current Sensor in CANopen network;
116 -** Dispatch timeout – timeout of dispatching packages from BMS Current Sensor (if no data is being received from current sensor during this time, the “Shunt offline” flag is set), millisecond;
117 -** Zero level threshold – T,,0,, level, A (if module of instantaneous current (I,,I,,) which is received from shunt sensor is lower than T,,0,,, BMS will assume that current flowing through the battery is zero);
118 -** Mean level threshold – TM level, A (if module of instantaneous current (I,,I,,) which is received from shunt sensor is between T,,M,, and T,,0,,, BMS will use mean value of current I,,M,,; if I,,I,, is greater than T,,M,,, BMS will use instantaneous value of current I,,I,,);
119 -** Invert – a flag to invert current values;
135 +* Enable – a flag to start interaction with BMS Current Sensor (if interaction is enabled then BMS doesn’t use Hall-Effect current sensor which settings are described in the menu "Signals → Current sensor");
136 +* Node ID – an address of BMS Current Sensor in CANopen network;
137 +* Dispatch timeout – timeout of dispatching packages from BMS Current Sensor (if no data is being received from current sensor during this time, the “Shunt offline” flag is set), millisecond;
138 +* Zero level threshold – T,,0,, level, A (if module of instantaneous current (I,,I,,) which is received from shunt sensor is lower than T,,0,,, BMS will assume that current flowing through the battery is zero);
139 +* Mean level threshold – TM level, A (if module of instantaneous current (I,,I,,) which is received from shunt sensor is between T,,M,, and T,,0,,, BMS will use mean value of current I,,M,,; if I,,I,, is greater than T,,M,,, BMS will use instantaneous value of current I,,I,,);
140 +* Invert – a flag to invert current values;
120 120  * Sensor state:
121 121  ** Online – a flag showing that the communication with the BMS Current Sensor is established;
122 122  ** Errors – a list of internal errors of the shunt sensor;
... ... @@ -124,16 +124,17 @@
124 124  ** Current (mean) – a mean value of current measured by the BMS Current Sensor, A (the value is calculated as an average of 100 consistent measurements);
125 125  ** Temperature – a temperature of the shunt sensor, °C.
126 126  
127 -=== Temperature sensor ===
148 +== 3.3.4 Temperature sensor ==
128 128  
129 129  To configure the temperature sensor parameters, select the menu "Signals → Temperature sensor":
130 130  
131 -[[image:1732204766138-628.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="112" width="256"]]
152 +[[Temperature sensors settings>>image:1732204766138-628.png||data-xwiki-image-style-alignment="center" height="112" width="256"]]
132 132  
154 +
133 133  In this section:
134 134  
135 -* Type – type of temperature sensors;
136 -* Mask – mask to ignore the temperature from the corresponding temperature sensors; bit //i// corresponds to temperature input //#(i+1)// of each BMS Logic device; mask 0x5 means that the BMS marks all temperature sensors connected to inputs #1 and #3 of each BMS Logic device as missing and doesn't use them in calculations.
157 +* Type – type of temperature sensors.
158 +* Mask -
137 137  
138 138  (% class="box infomessage" %)
139 139  (((
... ... @@ -140,73 +140,113 @@
140 140  **Note:** Temperature sensors connected to the BMS Main 2.x and BMS Logic boards must be the same type.
141 141  )))
142 142  
143 -=== Humidity sensor ===
165 +== 3.3.5 Humidity sensor ==
144 144  
145 145  To set the humidity sensor parameters, select the menu "Signals → Humidity sensor":
146 146  
147 -[[image:1732204899160-307.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="120" width="195"]]
169 +[[Humidity sensor settings>>image:1732204899160-307.png||data-xwiki-image-style-alignment="center" height="120" width="195"]]
148 148  
149 149   In this section:
150 150  
151 151  * Type – type of the humidity sensor.
152 152  
153 -=== Output signals ===
175 +== 3.3.6 Output signals ==
154 154  
155 -The BMS Main 2.x board has **4 discrete outputs**. For each discrete output, its purpose and inversion requirement are specified.
177 +The BMS Main 2.x board has 4 discrete outputs. For each discrete output, its purpose and inversion requirement are specified. The following discrete output assignment options are supported:
156 156  
157 -The BMS Main 2.x board has **4 solid-state relays** (#1 and #2 of them are bipolar, and the #3 and #4 are unipolar). For each relay, its purpose and inversion requirement are specified.
179 +* No output;
180 +* Low SOC;
181 +* Hgh battery charge current;
182 +* Cooler;
183 +* Heater;
184 +* Allow charging;
185 +* Precharging;
186 +* Acknowledgement of power down;
187 +* Power up.
158 158  
159 -The order of the numbering of the discrete outputs and the relay corresponds to the order of the numbering on the board.
189 +If the "Low SOC" assignment is selected, the output indicates the low battery charge level (see section Low SOC signal).
160 160  
161 -To configure output discrete signals and relays, select the menu "Signals → Output signals":
191 +If the "High battery charge current" assignment is selected, the output indicates that the charging current exceeds the predefined value (see section High charging current signal).
162 162  
163 -[[image:1732205046156-597.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="346" width="295"]]
193 +If the "Cooler" assignment is selected, the output indicates the overheating of the battery (see section Temperature protection).
164 164  
165 -(% class="box infomessage" %)
166 -(((
167 -A list of available **discrete output assignments **is available in [[Internal signals>>doc:Battery management systems.Additional information.1\. Battery controllers\: signals and errors.WebHome||anchor="HInternalsignals"]].
168 -)))
195 +If the "Heater" assignment is selected, the output indicates the low battery temperature signal (see section Temperature protection).
169 169  
170 -If the "Low SOC" assignment is selected, the output indicates the low battery charge level (see [[Low SOC signal>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HLowSOCsignal"]]).
197 +If the "Allow charging" assignment is selected, the output is used to give the charger the allowance to charge the battery (see section Charge control).
171 171  
172 -If the "High battery charge current" assignment is selected, the output indicates that the charging current exceeds the predefined value (see [[High charging current signal>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HHighchargingcurrentsignal"]]).
199 +If the "Precharging" assignment is selected, the output is used to charge the capacitive load (see section Discharge control).
173 173  
174 -If the "Cooler" assignment is selected, the output indicates the overheating of the battery (see [[High temperature protection>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HHightemperatureprotection"]]).
201 +If the "Acknowledgement of power down" assignment is selected, the output is used to acknowledge power down of the BMS. Acknowledgement is outputted when the charge and discharge relays have been opened on power down request (see sections Charge control and Discharge control).
175 175  
176 -If the "Heater" assignment is selected, the output indicates the low battery temperature signal (see [[Low temperature protection>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HLowtemperatureprotection"]]).
203 +If the "Power up" assignment is selected, the output is used to indicate the power status of BMS (see section Power down control).
177 177  
178 -If the "Allow charging" assignment is selected, the output is used to give the charger the allowance to charge the battery (see [[Charging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargingcontrol"]]).
179 179  
180 -If the "Precharging" assignment is selected, the output is used to charge the capacitive load (see [[Discharging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargingcontrol"]]).
206 +The BMS Main 2.x board has 4 solid-state relays (#1 and #2 of them are bipolar, and the #3 and #4 are unipolar). For each relay, its purpose and inversion requirement are specified. The following relay assignment options are supported:
181 181  
182 -If the "Acknowledgement of power down" assignment is selected, the output is used to acknowledge power down of the BMS. Acknowledgement is outputted when the charge and discharge relays have been opened on power down request (see [[Charging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargingcontrol"]] and [[Discharging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargingcontrol"]]).
208 +* No relay;
209 +* Charging;
210 +* Discharging;
211 +* Allow charging;
212 +* Cooler;
213 +* Heater;
214 +* Precharging;
215 +* Balancing series 1;
216 +* Balancing series 2;
217 +* Discharging (AUX);
218 +* Main contactor;
219 +* Power up.
183 183  
184 -If the "Power up" assignment is selected, the output is used to indicate the power status of BMS (see [[Power down control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HPowerdowncontrol"]]).
221 +If the "Charging" assignment is selected, the relay is used to charge the battery (see section Charge control).
185 185  
223 +If the "Discharging" assignment is selected, the relay is used to connect battery to the load (see section Discharge control).
186 186  
187 -(% class="box infomessage" %)
188 -(((
189 -A list of available **relay assignments **is available in [[Internal signals>>doc:Battery management systems.Additional information.1\. Battery controllers\: signals and errors.WebHome||anchor="HInternalsignals"]].
190 -)))
225 +If the "Allow charging" assignment is selected, the relay is used to give the charger an allowance to charge the battery (see section Charge control).
191 191  
192 -If the "Charging" assignment is selected, the relay is used to charge the battery (see [[Charging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargingcontrol"]]).
227 +If the "Cooler" assignment is selected, the relay receives a signal indicating overheating of the battery (see section Temperature protection) or the signal "Cooler" (see section Cooler control).
193 193  
194 -If the "Discharging" assignment is selected, the relay is used to connect battery to the load (see [[Discharging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargingcontrol"]]).
229 +If the "Heater" assignment is selected, a low battery temperature signal is outputted to the relay (see section Temperature protection) or a signal "Heater" (see section Heater control).
195 195  
196 -If the "Allow charging" assignment is selected, the relay is used to give the charger an allowance to charge the battery (see [[Charging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargingcontrol"]]).
231 +If the "Precharging" assignment is selected, the relay is used to charge the capacitive load (see section Discharge control).
197 197  
198 -If the "Cooler" assignment is selected, the relay receives a signal indicating overheating of the battery (see [[High temperature protection>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HHightemperatureprotection"]]) or the signal "Cooler" (see [[Cooler control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HCoolercontrol"]]).
233 +If the "Balancing series 1" assignment is selected, the relay is used to connect a balancing resistor to the cell series 1 (see section Series balancing).
199 199  
200 -If the "Heater" assignment is selected, a low battery temperature signal is outputted to the relay (see [[Low temperature protection>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HLowtemperatureprotection"]]) or a signal "Heater" (see [[Heater control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HHeatercontrol"]]).
235 +If the "Balancing series 2" assignment is selected, the relay is used to connect a balancing resistor to the cell series 2 (see section Series balancing).
201 201  
202 -If the "Precharging" assignment is selected, the relay is used to charge the capacitive load (see [[Discharging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargingcontrol"]]).
237 +If the "Discharging (AUX)" assignment is selected, the relay is used to power external equipment (see section Powering external equipment).
203 203  
204 -If the "Balancing series 1" assignment is selected, the relay is used to connect a balancing resistor to the cell series 1 (see [[Series balancing>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.4 Battery parameters.WebHome||anchor="HSeriesbalancing"]]).
239 +If the "Main contactor" assignment is selected, the relay is used to close the main contactor in the common (minus) power bus.
205 205  
206 -If the "Balancing series 2" assignment is selected, the relay is used to connect a balancing resistor to the cell series 2 (see [[Series balancing>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.4 Battery parameters.WebHome||anchor="HSeriesbalancing"]]).
241 +If the "Power up" assignment is selected, the relay is used to close the contactor in the BMS Main power bus.
207 207  
208 -If the "Discharging (AUX)" assignment is selected, the relay is used to power external equipment (see [[Discharging (AUX) control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischarging(AUX)control"]]).
243 +To configure output discrete signals and relays, select the menu "Signals → Output signals":
209 209  
210 -If the "Main contactor" assignment is selected, the relay is used to close the main contactor in the common (minus) power bus.
245 +[[Output signals section>>image:1732205046156-597.png||data-xwiki-image-style-alignment="center" height="346" width="295"]]
211 211  
212 -If the "Power up" assignment is selected, the relay is used to close the contactor in the BMS Main power bus.
247 +
248 +The order of the numbering of the discrete outputs and the relay corresponds to the order of the numbering on the board.
249 +
250 +In this section:
251 +
252 +* Discrete outputs:
253 +** No output;
254 +** Low SOC;
255 +** High charging current;
256 +** Cooler;
257 +** Heater;
258 +** Allow charging;
259 +** Precharging;
260 +** Acknowledgement of power down;
261 +** Power up;
262 +* Relay:
263 +** No relay;
264 +** Charging;
265 +** Discharging;
266 +** Allow charging;
267 +** Cooler;
268 +** Heater;
269 +** Precharging;
270 +** Balancing series 1;
271 +** Balancing series 2;
272 +** Discharging (AUX);
273 +** Main contactor;
274 +** Power up.
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