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1 -drafts.bms-main-2-1.configuration.WebHome
1 +drafts.bms-main-2.configuration.WebHome
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1 1  == 3.3.1 Input signals ==
2 2  
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:
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.
4 4  
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.
5 +BMS Main 2.x board has **4 analog inputs** for connecting current, temperature and humidity sensors.
20 20  
7 +(% id="cke_bm_2415S" style="display:none" %) (%%)To configure the input discrete and analog signals, select the menu "Signals → Input signals":
8 +
9 +[[image:1732201986070-992.png||data-xwiki-image-style-alignment="center" height="290" width="272"]]
10 +
11 +The order of the numbering of the discrete and analog inputs corresponds to the order of the numbering on the board.
12 +
13 +Discrete inputs in this section:
14 +
15 +* No input;
16 +* Battery cover – a signal from the battery cover trailer;
17 +* Charger connected – a signal from the charger connector;
18 +* Power up/down request – a signal from the external power monitor which is used for proper powering BMS up or down;
19 +* Inhibit charging – a command to open the charging relay;
20 +* Inhibit discharging – a command to open the discharging relay;
21 +* CH contactor feedback – a feedback signal from the charging contactor;
22 +* DCH contactor feedback – a feedback signal from the discharging contactor;
23 +* Insulation status – a signal from an external insulation monitoring device;
24 +* Charge request – a request for closing the charging contactor;
25 +* Precharge request – a request for closing the precharging contactor;
26 +* Discharge request – a request for closing the discharging contactor;
27 +* PCH contactor feedback – a feedback signal from the precharging contactor;
28 +* CH/DCH contactor feedback – a feedback signal from the charging/discharging contactor;
29 +* Main contactor feedback – a feedback signal from the main contactor.
30 +
21 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).
22 22  
23 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).
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34 34  
35 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).
36 36  
37 -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**:
38 38  
48 +Analog inputs in this section:
49 +
50 +* No input;
51 +* Current sensor;
52 +* Current zero level;
53 +* Temperature sensor;
54 +* Humidity sensor;
55 +* Current sensor (AUX) – additional current sensor for measuring current in a series of cells;
56 +* Current zero level (AUX) – zero level bus for additional current sensor.
57 +
58 +**Assignment of analog inputs must be selected as follows**:
59 +
39 39  * Analog Input #1 – Current sensor;
40 40  * Analog Input #2 – No input / Current sensor reference line / Current sensor (2nd range) (see note);
41 41  * Analog Input #3 – No input / Temperature sensor / Current sensor (AUX);
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56 56  **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.
57 57  )))
58 58  
59 - To configure the input discrete and analog signals, select the menu "Signals → Input signals":
80 +== 3.3.2 Current sensor ==
60 60  
61 -[[Input signals section>>image:1732201986070-992.png||data-xwiki-image-style-alignment="center" height="290" width="272"]]
62 -
63 - The order of the numbering of the discrete and analog inputs corresponds to the order of the numbering on the board.
64 -
65 -In this section:
66 -
67 -* Discrete inputs:
68 -** No input;
69 -** Battery cover – a signal from the battery cover trailer;
70 -** Charger connected – a signal from the charger connector;
71 -** Power up/down request – a signal from the external power monitor which is used for proper powering BMS up or down;
72 -** Inhibit charging – a command to open the charging relay;
73 -** Inhibit discharging – a command to open the discharging relay;
74 -** CH contactor feedback – a feedback signal from the charging contactor;
75 -** DCH contactor feedback – a feedback signal from the discharging contactor;
76 -** Insulation status – a signal from an external insulation monitoring device;
77 -** Charge request – a request for closing the charging contactor;
78 -** Precharge request – a request for closing the precharging contactor;
79 -** Discharge request – a request for closing the discharging contactor;
80 -** PCH contactor feedback – a feedback signal from the precharging contactor;
81 -** CH/DCH contactor feedback – a feedback signal from the charging/discharging contactor;
82 -** Main contactor feedback – a feedback signal from the main contactor.
83 -* Analog inputs:
84 -** No input;
85 -** Current sensor;
86 -** Current zero level;
87 -** Temperature sensor;
88 -** Humidity sensor;
89 -** Current sensor (AUX) – additional current sensor for measuring current in a series of cells;
90 -** Current zero level (AUX) – zero level bus for additional current sensor.
91 -
92 -=== 3.3.2 Current sensor ===
93 -
94 94  After selecting the assignment of the analog inputs, you need to configure the parameters of the sensors connected to the board.
95 95  
96 96  To configure the current sensor parameters, select the menu "Signals → Current sensor":
97 97  
98 -[[Current sensor settings>>image:1732202357233-620.png||data-xwiki-image-style-alignment="center" height="453" width="284"]]
86 +[[image:1732202357233-620.png||data-xwiki-image-style-alignment="center" height="453" width="284"]]
99 99  
100 100  
101 101  In the «Primary sensor» и «Auxiliary sensor» sections:
... ... @@ -122,11 +122,11 @@
122 122  
123 123  Calibration of the current sensor (“Calibrate sensor on startup” flag) is necessary if the sensor does not have a reference line (zero level signal).
124 124  
125 -=== 3.3.3 Current shunt sensor ===
113 +== 3.3.3 Current shunt sensor ==
126 126  
127 127  To configure the shunt current sensor parameters, select the menu "Signals → Current shunt sensor":
128 128  
129 -[[Shunt sensor settings>>image:1732202640889-562.png||data-xwiki-image-style-alignment="center" height="342" width="265"]]
117 +[[image:1732202640889-562.png||data-xwiki-image-style-alignment="center" height="342" width="265"]]
130 130  
131 131  In this section:
132 132  
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144 144  ** 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);
145 145  ** Temperature – a temperature of the shunt sensor, °C.
146 146  
147 -=== 3.3.4 Temperature sensor ===
135 +== 3.3.4 Temperature sensor ==
148 148  
149 149  To configure the temperature sensor parameters, select the menu "Signals → Temperature sensor":
150 150  
151 -[[Temperature sensors settings>>image:1732204766138-628.png||data-xwiki-image-style-alignment="center" height="112" width="256"]]
139 +[[image:1732204766138-628.png||data-xwiki-image-style-alignment="center" height="112" width="256"]]
152 152  
153 153  
154 154  In this section:
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161 161  **Note:** Temperature sensors connected to the BMS Main 2.x and BMS Logic boards must be the same type.
162 162  )))
163 163  
164 -=== 3.3.5 Humidity sensor ===
152 +== 3.3.5 Humidity sensor ==
165 165  
166 166  To set the humidity sensor parameters, select the menu "Signals → Humidity sensor":
167 167  
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171 171  
172 172  * Type – type of the humidity sensor.
173 173  
174 -=== 3.3.6 Output signals ===
162 +== 3.3.6 Output signals ==
163 +
164 +The BMS Main 2.x board has 4 discrete outputs. For each discrete output, its purpose and inversion requirement are specified.
165 +
166 +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.
167 +
168 +To configure output discrete signals and relays, select the menu "Signals → Output signals":
169 +
170 +[[image:1732205046156-597.png||data-xwiki-image-style-alignment="center" height="346" width="295"]]
171 +
172 +
173 +The order of the numbering of the discrete outputs and the relay corresponds to the order of the numbering on the board.
174 +
175 +Discrete outputs in this section:
176 +
177 +* No output;
178 +* Low SOC;
179 +* High charging current;
180 +* Cooler;
181 +* Heater;
182 +* Allow charging;
183 +* Precharging;
184 +* Acknowledgement of power down;
185 +* Power up;
186 +
187 +If the "Low SOC" assignment is selected, the output indicates the low battery charge level (see section Low SOC signal).
188 +
189 +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).
190 +
191 +If the "Cooler" assignment is selected, the output indicates the overheating of the battery (see section Temperature protection).
192 +
193 +If the "Heater" assignment is selected, the output indicates the low battery temperature signal (see section Temperature protection).
194 +
195 +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).
196 +
197 +If the "Precharging" assignment is selected, the output is used to charge the capacitive load (see section Discharge control).
198 +
199 +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).
200 +
201 +If the "Power up" assignment is selected, the output is used to indicate the power status of BMS (see section Power down control).
202 +
203 +
204 +Relay assignments in this section:
205 +
206 +* No relay;
207 +* Charging;
208 +* Discharging;
209 +* Allow charging;
210 +* Cooler;
211 +* Heater;
212 +* Precharging;
213 +* Balancing series 1;
214 +* Balancing series 2;
215 +* Discharging (AUX);
216 +* Main contactor;
217 +* Power up.
218 +
219 +If the "Charging" assignment is selected, the relay is used to charge the battery (see section Charge control).
220 +
221 +If the "Discharging" assignment is selected, the relay is used to connect battery to the load (see section Discharge control).
222 +
223 +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).
224 +
225 +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).
226 +
227 +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).
228 +
229 +If the "Precharging" assignment is selected, the relay is used to charge the capacitive load (see section Discharge control).
230 +
231 +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).
232 +
233 +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).
234 +
235 +If the "Discharging (AUX)" assignment is selected, the relay is used to power external equipment (see section Powering external equipment).
236 +
237 +If the "Main contactor" assignment is selected, the relay is used to close the main contactor in the common (minus) power bus.
238 +
239 +If the "Power up" assignment is selected, the relay is used to close the contactor in the BMS Main power bus.
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