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Last modified by Admin on 2026/04/02 13:49
From version 90.1
edited by Admin
on 2026/03/25 17:04
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To version 83.1
edited by Admin
on 2026/03/25 16:36
Change comment: Uploaded new attachment "1732198827034-560.png", version {1}

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... ... @@ -81,157 +81,316 @@
81 81  
82 82  
83 83  
84 -=== X4, X5, X6, X7 – header of relay 1, 2, 3 and 4 ===
84 +=== X4, X5, X6, X7 – ===
85 85  
86 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
86 +Receptacle Housing: Hirose ZE05-24DS-HU/R. Terminals: Hirose ZE05-2022SCF
87 87  
88 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
88 +(% aria-label="1732121811285-182.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121811285-182.png||data-xwiki-image-style-alignment="center" height="94" width="531"]]
89 89  
90 90  |**Pin**|**Name**|**Description**
91 -|**1**|**V+**|Switching voltage (up to 55V, max 3A)
92 -|**2**|**NO**|Normally open contact
91 +|**1–8, 12, 16–17, 21**|**DIO_GND**|Ground of input and output signals
92 +|**9**|**DIN1_SIGNAL**|Discrete input 1 “dry contact”
93 +|**10**|**DIN2_SIGNAL**|Discrete input 2 “dry contact”
94 +|**11**|**DIN3_SIGNAL**|Discrete input 3 “dry contact”
95 +|**13**|**DIN4_SIGNAL**|Discrete input 4 “dry contact”
96 +|**14**|**DIN5_SIGNAL**|Discrete input 5 “dry contact”
97 +|**15**|**DIN6_SIGNAL**|Discrete input 6 “dry contact”
98 +|**18**|**DIN7_VIN**|Discrete input 7 (signal detection with voltage 9-32V)
99 +|**19**|**DIN8_VIN**|Discrete input 8 (signal detection with voltage 9-32V)
100 +|**20**|**DOUT1_OD**|Discrete output 1 “open drain” (60 V, 1A)
101 +|**22**|**DOUT2_OD**|Discrete output 2 “open drain” (60 V, 1A)
102 +|**23**|**DOUT3_OD**|Discrete output 3 “open drain” (60 V, 1A)
103 +|**24**|**DOUT4_OD**|Discrete output 4 “open drain” (60 V, 1A)
93 93  
94 -Contactor connection example for all relays:
105 +Connection diagram of a discrete input to a dry contact output:
95 95  
96 -[[image:1774456661980-866.png||data-xwiki-image-style-alignment="center" height="211" width="282"]]
107 +(% aria-label="1732121887401-555.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121887401-555.png||data-xwiki-image-style-alignment="center" height="63" width="196"]](% title="Click and drag to resize" %)​(%%)Connection diagram of a discrete input to an open collector output:
97 97  
109 +(% aria-label="1732122137116-973.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732122137116-973.png||data-xwiki-image-style-alignment="center" height="100" width="274"]](% title="Click and drag to resize" %)​(%%)Connection diagram for a discrete input for detecting a 9-32V signal:
98 98  
99 -=== X8 – header for current sensor 1 ===
111 +(% aria-label="1732121926812-202.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121926812-202.png||data-xwiki-image-style-alignment="center" height="76" width="242"]](% title="Click and drag to resize" %)​(%%)Connection diagram for discrete output:
100 100  
101 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
113 +[[image:1739361269041-663.png||data-xwiki-image-style-alignment="center" height="93" width="275"]]
102 102  
103 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
115 +=== X4 – header for HVIL ===
104 104  
117 +Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
118 +
119 +[[image:1732122015188-642.png||data-xwiki-image-style-alignment="center" height="64" width="150"]]
120 +
105 105  |**Pin**|**Name**|**Description**
106 -|**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
107 -|**2**|**GND**|Ground
108 -|**3**|**CS1_OUT**|Current sensor 1 output
109 -|**4**|**CS1_REF**|Current sensor 1 reference signal
122 +|**1**|**-**|Not used
123 +|**2**|**HVIL_OUT**|Output of the current measurement circuit in the current loop (lower potential, measuring shunt output)
124 +|**3**|**HVIL_IN**|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
125 +|**4**|**HVIL_PWR**|Current loop power supply (max 5V, 25mA)
110 110  
111 -=== X9 – (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)header for current sensor 2(%%) ===
127 + If the BMS Main 2R device generates current in a current loop, the current loop must be connected to the **HVIL_PWR** and **HVIL_IN** pins. If BMS Main 2R is a passive current loop meter, then the current loop must be connected to the **HVIL_IN** and **HVIL_OUT** pins.
112 112  
113 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
129 +Connection diagram to the current loop:
114 114  
115 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
131 +[[image:1739361367866-742.png||data-xwiki-image-style-alignment="center" height="210" width="281"]]
116 116  
133 +=== X5 – header for current and temperature sensors ===
134 +
135 +Receptacle Housing: Hirose ZE05-16DS-HU/R. Terminals: Hirose ZE05-2022SCF
136 +
137 +[[image:1733311958053-469.png||data-xwiki-image-style-alignment="center" height="83" width="349"]]
138 +
139 +(% style="width:539px" %)
140 +|**Pin**|**Name**|(% style="width:402px" %)**Description**
141 +|**1**|**CS1_5V**|(% style="width:402px" %)Current sensor 1 power line (5 V, max 50 mA)
142 +|**2–6**|**GND**|(% style="width:402px" %)Ground
143 +|**7**|**CS1_IN1**|(% style="width:402px" %)Current sensor 1 signal line (for a dual-range current sensor, High range output)
144 +|**8**|**CS1_REF_IN2**|(% style="width:402px" %)Current sensor 1 reference voltage signal line (for a dual-range current sensor, Low range output)
145 +|**9**|**CS2_5V**|(% style="width:402px" %)Current sensor 2 power line (5 V, max 50 mA)
146 +|**10**|**CS2_IN1**|(% style="width:402px" %)Current sensor 2 signal line (for a dual-range current sensor, High range output)
147 +|**11**|**CS2_REF_IN2**|(% style="width:402px" %)Current sensor 2 reference voltage signal line (for a dual-range current sensor, Low range output)
148 +|**12**|**CS3_5V**|(% style="width:402px" %)Current sensor 3 power line (5 V, max 50 mA)
149 +|**13**|**CS3_IN1**|(% style="width:402px" %)Current sensor 3 signal line (for a dual-range current sensor, High range output)
150 +|**14**|**CS3_REF_IN2**|(% style="width:402px" %)Current sensor 3 reference voltage signal line (for a dual-range current sensor, Low range output)
151 +|**15**|**TEMP1**|(% style="width:402px" %)Temperature sensor 1 signal line (NTC-thermistor 100 kOhm)
152 +|**16**|**TEMP2**|(% style="width:402px" %)Temperature sensor 2 signal line (NTC-thermistor 100 kOhm)
153 +
154 +Current sensor connection diagram (using the example of LEM HASS 100-S):
155 +
156 +[[image:1733316158040-285.png||data-xwiki-image-style-alignment="center" height="170" width="412"]]
157 +
158 +Current sensor connection diagram (using the example of LEM DHAB S/118):
159 +
160 +[[image:1733316170709-142.png||data-xwiki-image-style-alignment="center" height="171" width="413"]]
161 +
162 +NTC-thermistor connection diagram:
163 +
164 +[[image:1733316189878-329.png||data-xwiki-image-style-alignment="center" height="130" width="260"]]
165 +
166 +=== X6 – header for CAN1 and RS-485-1 (external buses) ===
167 +
168 +Receptacle Housing: Hirose ZE05-5S-HU/R. Terminals: Hirose ZE05-2022SCF
169 +
170 +[[image:1733316218666-814.png||data-xwiki-image-style-alignment="center" height="55" width="162"]]
171 +
117 117  |**Pin**|**Name**|**Description**
118 -|**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
119 -|**2**|**GND**|Ground
120 -|**3**|**CS2_OUT**|Current sensor 2 output
121 -|**4**|**CS2_REF**|Current sensor 2 reference signal
173 +|**1**|**CAN1_H**|CAN1 line H for communication with external equipment
174 +|**2**|**CAN1_L**|CAN1 line L for communication with external equipment
175 +|**3**|**CAN1_RS485_1_GND**|Ground of CAN1 and RS-485-1
176 +|**4**|**RS485_1_A**|RS-485-1 line A for communication with external equipment
177 +|**5**|**RS485_1_B**|RS-485-1 line B for communication with external equipment
122 122  
123 -=== X10 – (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)header for temperature sensors(%%) ===
179 +Connection diagram to the CAN1 bus:
124 124  
125 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
181 +[[image:1733316241362-843.png||data-xwiki-image-style-alignment="center" height="153" width="410"]]
126 126  
127 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
183 +Connection diagram to the RS-485-1 bus:
128 128  
185 +[[image:1733316483336-290.png||data-xwiki-image-style-alignment="center" height="152" width="417"]]
186 +
187 +=== X7 – header for CAN2 (internal bus) ===
188 +
189 +Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
190 +
191 +[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
192 +
129 129  |**Pin**|**Name**|**Description**
130 -|**1, 2**|**GND**|Ground
131 -|**3**|**T_SENS1**|Temperature sensor 1 output
132 -|**4**|**T_SENS2**|Temperature sensor 2 output
194 +|**1**|**CAN2_H**|CAN2 line H for communication with other BMS devices
195 +|**2**|**CAN2_L**|CAN2 line L for communication with other BMS devices
196 +|**3**|**GND**|Ground
197 +|**4**|**CAN2_5V**|CAN2 power line (5 V, max 400 mA)
133 133  
134 -=== X11 – (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)header for BMS Logic(%%) ===
199 +Connection diagram to the CAN2 bus (using the example of connecting BMS Display 1.2):
135 135  
136 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
201 +[[image:1733316563149-458.png||data-xwiki-image-style-alignment="center" height="158" width="392"]]
137 137  
138 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
203 +=== X8 – header for CAN3 ===
139 139  
205 +Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
206 +
207 +[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
208 +
140 140  |**Pin**|**Name**|**Description**
141 -|**1**|**LOGIC_A**|RS-485 line A for communication with BMS Logic
142 -|**2**|**LOGIC_B**|RS-485 line B for communication with BMS Logic
143 -|**3**|**LOGIC_5V**|Supply voltage for BMS Logic
144 -|**4**|**GND**|Ground
210 +|**1**|**CAN3_H**|CAN3 line H
211 +|**2**|**CAN3_L**|CAN3 line L
212 +|**3**|**GND**|Ground
213 +|**4**|**CAN3_5V**|CAN3 power line (5 V, max 400 mA)
145 145  
146 -=== X12 – header for CAN2 interface ===
215 +(% class="box infomessage" %)
216 +(((
217 +**Note:**
218 +CAN3 operates differently depending on used firmware:
147 147  
148 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
220 +* **BMS Main 3:** CAN3 bus is reserved;
221 +* **BMS Main 3X:** CAN3 bus is used to connect with BMS Main 3 inside parallel strings. Diagram for connecting battery modules to the CAN3 bus:
149 149  
150 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
223 +[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="417"]]
224 +)))
151 151  
226 +=== X9 – header for BMS Logic (RS-485-2) ===
227 +
228 +Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
229 +
230 +[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
231 +
152 152  |**Pin**|**Name**|**Description**
153 -|**1**|**CAN2_H**|CAN2 H line for communication with internal equipment
154 -|**2**|**CAN2_L**|CAN2 L line for communication with internal equipment
155 -|**3**|**–**|–
156 -|**4**|**GND**|Ground
233 +|**1**|**LOGIC_B**|RS-485 line B for communication with BMS Logic
234 +|**2**|**LOGIC_A**|RS-485 line A for communication with BMS Logic
235 +|**3**|**GND**|Ground
236 +|**4**|**LOGIC_5V**|BMS Logic power line (+5V, max 400mA)
157 157  
158 -=== X13 – header for CAN1 and RS-485 interfaces ===
238 +(% class="box infomessage" %)
239 +(((
240 +**Note:**
241 +RS-485-2 operates differently depending on used firmware:
159 159  
160 -Receptacle Housing: Molex 430250600. Terminals: Molex 43030
243 +* **BMS Main 3X:** RS-485-2 bus is reserved;
244 +* **BMS Main 3:** RS-485-2 bus is used to connect with BMS Logics in a battery pack. Connection diagram for BMS Logic devices:
161 161  
162 -[[image:https://docs.movicomelectric.com/bin/download/Battery%20management%20systems/BMS%20Main%202.1/2.%20Installation%20and%20connection/WebHome/1731517180930-597.png?width=113&height=81&rev=1.1||alt="1731517180930-597.png" data-xwiki-image-style-alignment="center" height="81" width="113"]]
246 +[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="400"]]
247 +)))
163 163  
249 +=== X10 – ===
250 +
251 +=== X11 – header for high-voltage bus before contactors (plus) ===
252 +
253 +Receptacle Housing: Molex 436450200. Terminals: Molex 43030
254 +
255 +[[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
256 +
164 164  |**Pin**|**Name**|**Description**
165 -|**1**|**RS485_1_A**|RS-485-1 line A for communication with external equipment
166 -|**2**|**CAN1_H**|CAN1 H line for communication with external equipment
167 -|**3**|**+5V**|Supply voltage 5V for external devices, max 200 mA
168 -|**4**|**RS485_1_B**|RS-485-1 line B for communication with external equipment
169 -|**5**|**CAN1_L**|CAN1 L line for communication with external equipment
170 -|**6**|**GND**|Ground
258 +|**1**|**IN1+**|Plus of the high-voltage bus (before contactors)
259 +|**2**|**IN1+**|Plus of the high-voltage bus (before contactors)
171 171  
172 -=== J1 – jumper for switching CAN2 bus terminal resistor ===
261 +(% class="box warningmessage" %)
262 +(((
263 +The connected voltage must not exceed 1000V.
264 +)))
173 173  
266 +=== X12 – header for high-voltage bus before contactors (minus) ===
174 174  
175 -[[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]To connect a terminal resistor between the **CAN2_H **and **CAN2_L **lines, install a jumper. The jumper is installed according to the table:
268 +Receptacle Housing: Molex 436450200. Terminals: Molex 43030
176 176  
270 +[[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
271 +
177 177  |**Pin**|**Name**|**Description**
178 -|**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN1 bus is connected
179 -|**2-3**|**-**|The 120 Ohm terminal resistor of the CAN1 bus is disconnected
273 +|**1**|**IN1-**|Minus of the high-voltage bus (before contactors)
274 +|**2**|**IN1-**|Minus of the high-voltage bus (before contactors)
180 180  
181 -=== J2 – jumper for switching RS-485-1 bus terminal resistor ===
276 +(% class="box warningmessage" %)
277 +(((
278 +The connected voltage must not exceed 1000V.
279 +)))
182 182  
281 +=== X13 – header for high-voltage bus after contactors (plus) ===
282 +
283 +Receptacle Housing: Molex 436450200. Terminals: Molex 43030
284 +
285 +[[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
286 +
287 +|**Pin**|**Name**|**Description**
288 +|**1**|**IN2+**|Plus of the high-voltage bus (after contactors)
289 +|**2**|**IN2+**|Plus of the high-voltage bus (after contactors)
290 +
291 +(% class="box warningmessage" %)
292 +(((
293 +The connected voltage must not exceed 1000V.
294 +)))
295 +
296 +=== X14 – header for high-voltage bus after contactors (minus) ===
297 +
298 +Receptacle Housing: Molex 436450200. Terminals: Molex 43030
299 +
300 +[[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
301 +
302 +|**Pin**|**Name**|**Description**
303 +|**1**|**IN2-**|Minus of the high-voltage bus (after contactors)
304 +|**2**|**IN2-**|Minus of the high-voltage bus (after contactors)
305 +
306 +(% class="box warningmessage" %)
307 +(((
308 +The connected voltage must not exceed 1000V.
309 +)))
310 +
311 +=== J1 – jumper for switching RS-485-1 bus terminal resistor ===
312 +
183 183  [[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]
184 184  
185 -To connect a terminal resistor between the **RS485_1_A **and **RS485_1_B **lines, install a jumper. The jumper is installed according to the table:
315 +To connect a terminal resistor between the **RS485_1_A** and **RS485_1_B** lines, install a jumper. The jumper is installed according to the table:
186 186  
187 187  |**Pin**|**Name**|**Description**
188 188  |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the RS-485-1 bus is connected
189 189  |**2-3**|**-**|The 120 Ohm terminal resistor of the RS-485-1 bus is disconnected
190 190  
191 -=== J3 – jumper for switching CAN1 bus terminal resistor ===
321 +=== J2 – jumper for switching CAN1 bus terminal resistor ===
192 192  
193 193  
194 -[[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]To connect a terminal resistor between the **CAN1_H **and **CAN1_L **lines, install a jumper. The jumper is installed according to the table:
324 +[[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]To connect a terminal resistor between the **CAN1_H** and **CAN1_L** lines, install a jumper. The jumper is installed according to the table:
195 195  
196 196  |**Pin**|**Name**|**Description**
197 197  |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN1 bus is connected
198 198  |**2-3**|**-**|The 120 Ohm terminal resistor of the CAN1 bus is disconnected
199 199  
330 +=== J3 – jumper for switching CAN2 bus terminal resistor ===
331 +
332 +
333 +[[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]To connect a terminal resistor between the **CAN2_H** and **CAN2_L** lines, install a jumper. The jumper is installed according to the table:
334 +
335 +|**Pin**|**Name**|**Description**
336 +|**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN2 bus is connected
337 +|**2-3**|**-**|The 120 Ohm terminal resistor of the CAN2 bus is disconnected
338 +
339 +=== J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
340 +
341 +The BMS Main 2R device implements a circuit for hardware opening of power contactors when the discrete input signal DIN7 and/or DIN8 (voltage level 9-32V) is removed. To enable this function, jumper J5 and/or J6 must be installed.
342 +
200 200  == Indicators ==
201 201  
202 -=== DS2 – operation indicator ===
345 +=== DS1 – LED indicating device power ===
203 203  
204 204  |**State**|**Description**
205 -|**Blinking green**|The BMS firmware is running
206 -|**Off**|The BMS firmware is not running
348 +|**Lights up green**|Device power (+5V) is present
349 +|**Doesn’t light up**|No device power
207 207  
208 -=== DS3 – communication indicator ===
351 +=== DS2 – LED indicating device work ===
209 209  
210 210  |**State**|**Description**
211 -|**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
212 -|**Blinking yellow (25Hz)**|Communication with BMS Logic is established
354 +|**Blinking green**|Executing the battery management program
355 +|**No blinking**|Program execution error
213 213  
214 -=== DS4 – error indicator ===
357 +=== DS3 – LED indicating interaction with child devices ===
215 215  
359 +(% style="width:447px" %)
360 +|**State**|(% style="width:166px" %)**Description (Main 3)**|(% style="width:168px" %)**Description (Main 3X)**
361 +|**Blinking yellow**|(% style="width:166px" %)The device interacts with BMS Logic devices|(% style="width:168px" %)The device interacts with BMS Main 3 devices
362 +|**No blinking**|(% style="width:166px" %)-|(% style="width:168px" %)-
363 +
364 +=== DS4 – LED indicating loss of connection with child devices ===
365 +
366 +(% style="width:601px" %)
367 +|**State**|(% style="width:220px" %)**Description (Main 3)**|(% style="width:218px" %)**Description (Main 3X)**
368 +|**Blinking/lights up red**|(% style="width:220px" %)Communication with one or more BMS Logic devices is lost|(% style="width:218px" %)Communication with one or more BMS Main 3 devices is lost
369 +|**No blinking**|(% style="width:220px" %)Communication with BMS Logic devices is stable|(% style="width:218px" %)Communication with BMS Main 3 devices is stable
370 +
371 +=== DS5-DS10 – LEDs indicating contactor switches 1-6 ===
372 +
216 216  |**State**|**Description**
217 -|**Blinking red**|Errors in communication with BMS Logic
374 +|**Lights up green**|The switch supplies voltage to the contactor winding
375 +|**Doesn’t light up**|The switch doesn’t supply voltage to the contactor winding
218 218  
219 -=== DS1.1-DS1.4 – relay 1-4 indicator ===
377 +=== DS11 – LED indicating the presence of power supply for contactors ===
220 220  
221 221  |**State**|**Description**
222 -|**Lights green**|Relay #1-#4 is closed
223 -|**Off**|Relay #1-#4 is opened
380 +|**Lights up green**|Power supply for contactor switches (9-32V) is present
381 +|**Doesn’t light up**|Power supply for contactor switches (9-32V) is not present
224 224  
225 225  == Connection procedure ==
226 226  
227 227  All operations to connect the device must be carried out with the supply voltage removed.
228 228  
229 -* Connect the power contactors to headers X4-X7.
230 -* Connect one or more current sensors to headers X8 and X9.
231 -* Connect external temperature sensors (if necessary) to header X10.
232 -* Connect BMS Logic devices to header X11.
233 -* Connect digital inputs and outputs (if necessary) to header X1.
234 -* Connect external devices (if necessary) to header X13.
235 -* Connect other devices (BMS Indication, BMS Display, if necessary) to header X12.
236 -* If the BMS Main 2R is the last device on the CAN2,  RS-485-1 or CAN1 bus, install jumpers J1-J3.
237 -* Connect an external power supply to header X3. The device will start when there is a 9-32V power supply.
387 +* Connect the power contactors to header X2.
388 +* Connect one or more current sensors, as well as external temperature sensors (if necessary) to header X5.
389 +* Connect BMS Logic devices to header X9.
390 +* Connect digital inputs and outputs (if necessary) to header X3.
391 +* Connect the high voltage bus (if necessary) to headers X11-X14.
392 +* Connect the high-voltage network integrity circuit (if necessary) to header X4.
393 +* Connect external devices (if necessary) to header X6.
394 +* Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
395 +* If the BMS Main 2R is the last device on the RS-485-1, CAN1, or CAN2 bus, install jumpers J1-J3.
396 +* Connect an external power supply to header X1. The device will start when there is a 9-32V power supply and one of the KEYRUN or CHARGE_ON signals with a voltage of more than 8.5V is supplied.
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