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1 -Battery management systems.BMS Main 2\.1.3\. Configuration.WebHome
1 +xwiki: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 -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"]].
20 -
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 [[Battery cover protection>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HBatterycoverprotection"]]).
22 -
23 -if the "Charger connected" assignment is selected, the discrete input is involved in the algorithms of charge and discharge control (see [[Charge control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargecontrol"]] and [[Discharge control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargecontrol"]]).
24 -
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 [[Charge control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargecontrol"]] and [[Discharge control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargecontrol"]]).
26 -
27 27  If the “Inhibit charging” assignment is selected, the discrete input is used to open the charging relay.
28 28  
29 29  If the “Inhibit discharging” assignment is selected, the discrete input is used to open the discharging relay.
30 30  
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 [[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).
32 32  
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 [[Charge control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargecontrol"]] and [[Discharge control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargecontrol"]]).
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).
34 34  
35 -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).
36 36  
37 37  
38 -**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**:
39 39  
40 -* No input;
41 -* Current sensor;
42 -* Current zero level;
43 -* Temperature sensor;
44 -* Humidity sensor;
45 -* Current sensor (AUX) – additional current sensor for measuring current in a series of cells;
46 -* Current zero level (AUX) – zero level bus for additional current sensor.
47 -
48 -**Assignment of analog inputs must be selected as follows**:
49 -
50 50  * Analog Input #1 – Current sensor;
51 51  * Analog Input #2 – No input / Current sensor reference line / Current sensor (2nd range) (see note);
52 52  * Analog Input #3 – No input / Temperature sensor / Current sensor (AUX);
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54 54  
55 55  (% class="box warningmessage" %)
56 56  (((
57 -**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).
58 58  )))
59 59  
60 60  (% class="box warningmessage" %)
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67 67  **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.
68 68  )))
69 69  
70 -=== Current sensor ===
60 + To configure the input discrete and analog signals, select the menu "Signals → Input signals":
71 71  
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 +
72 72  After selecting the assignment of the analog inputs, you need to configure the parameters of the sensors connected to the board.
73 73  
74 74  To configure the current sensor parameters, select the menu "Signals → Current sensor":
75 75  
76 -[[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"]]
77 77  
101 +
78 78  In the «Primary sensor» и «Auxiliary sensor» sections:
79 79  
80 80  * Sensor type – drop-down menu with supported sensor types;
... ... @@ -99,21 +99,21 @@
99 99  
100 100  Calibration of the current sensor (“Calibrate sensor on startup” flag) is necessary if the sensor does not have a reference line (zero level signal).
101 101  
102 -=== Current shunt sensor ===
126 +== 3.3.3 Current shunt sensor ==
103 103  
104 104  To configure the shunt current sensor parameters, select the menu "Signals → Current shunt sensor":
105 105  
106 -[[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"]]
107 107  
108 108  In this section:
109 109  
110 110  * Settings:
111 -** 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");
112 -** Node ID – an address of BMS Current Sensor in CANopen network;
113 -** 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;
114 -** 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);
115 -** 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,,);
116 -** 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;
117 117  * Sensor state:
118 118  ** Online – a flag showing that the communication with the BMS Current Sensor is established;
119 119  ** Errors – a list of internal errors of the shunt sensor;
... ... @@ -121,16 +121,17 @@
121 121  ** 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);
122 122  ** Temperature – a temperature of the shunt sensor, °C.
123 123  
124 -=== Temperature sensor ===
148 +== 3.3.4 Temperature sensor ==
125 125  
126 126  To configure the temperature sensor parameters, select the menu "Signals → Temperature sensor":
127 127  
128 -[[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"]]
129 129  
154 +
130 130  In this section:
131 131  
132 -* Type – type of temperature sensors;
133 -* 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 -
134 134  
135 135  (% class="box infomessage" %)
136 136  (((
... ... @@ -137,49 +137,49 @@
137 137  **Note:** Temperature sensors connected to the BMS Main 2.x and BMS Logic boards must be the same type.
138 138  )))
139 139  
140 -=== Humidity sensor ===
165 +== 3.3.5 Humidity sensor ==
141 141  
142 142  To set the humidity sensor parameters, select the menu "Signals → Humidity sensor":
143 143  
144 -[[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"]]
145 145  
146 146   In this section:
147 147  
148 148  * Type – type of the humidity sensor.
149 149  
150 -=== Output signals ===
175 +== 3.3.6 Output signals ==
151 151  
152 -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:
153 153  
154 -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.
155 155  
156 -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).
157 157  
158 -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).
159 159  
160 -[[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).
161 161  
162 -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"]].
195 +If the "Heater" assignment is selected, the output indicates the low battery temperature signal (see section Temperature protection).
163 163  
164 -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).
165 165  
166 -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).
167 167  
168 -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).
169 169  
170 -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).
171 171  
172 -If the "Allow charging" assignment is selected, the output is used to give the charger the allowance to charge the battery (see [[Charge control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargecontrol"]]).
173 173  
174 -If the "Precharging" assignment is selected, the output is used to charge the capacitive load (see [[Discharge control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargecontrol"]]).
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:
175 175  
176 -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 [[Charge control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargecontrol"]] and [[Discharge control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargecontrol"]]).
177 -
178 -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"]]).
179 -
180 -
181 -**Relay assignments** in this section:
182 -
183 183  * No relay;
184 184  * Charging;
185 185  * Discharging;
... ... @@ -193,24 +193,57 @@
193 193  * Main contactor;
194 194  * Power up.
195 195  
196 -If the "Charging" assignment is selected, the relay is used to charge the battery (see [[Charge control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargecontrol"]]).
221 +If the "Charging" assignment is selected, the relay is used to charge the battery (see section Charge control).
197 197  
198 -If the "Discharging" assignment is selected, the relay is used to connect battery to the load (see [[Discharge control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargecontrol"]]).
223 +If the "Discharging" assignment is selected, the relay is used to connect battery to the load (see section Discharge control).
199 199  
200 -If the "Allow charging" assignment is selected, the relay is used to give the charger an allowance to charge the battery (see [[Charge control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargecontrol"]]).
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).
201 201  
202 -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"]]).
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).
203 203  
204 -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"]]).
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).
205 205  
206 -If the "Precharging" assignment is selected, the relay is used to charge the capacitive load (see [[Discharge control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargecontrol"]]).
231 +If the "Precharging" assignment is selected, the relay is used to charge the capacitive load (see section Discharge control).
207 207  
208 -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"]]).
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).
209 209  
210 -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"]]).
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).
211 211  
212 -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"]]).
237 +If the "Discharging (AUX)" assignment is selected, the relay is used to power external equipment (see section Powering external equipment).
213 213  
214 214  If the "Main contactor" assignment is selected, the relay is used to close the main contactor in the common (minus) power bus.
215 215  
216 216  If the "Power up" assignment is selected, the relay is used to close the contactor in the BMS Main power bus.
242 +
243 +To configure output discrete signals and relays, select the menu "Signals → Output signals":
244 +
245 +[[Output signals section>>image:1732205046156-597.png||data-xwiki-image-style-alignment="center" height="346" width="295"]]
246 +
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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