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Last modified by Admin on 2026/04/02 13:49
From version 90.2
edited by Admin
on 2026/04/02 13:49
Change comment: Update document after refactoring.
To version 86.2
edited by Admin
on 2026/03/25 16:38
Change comment: There is no comment for this version

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1 -Battery management systems.BMS Main 2R.WebHome
1 +drafts.BMS Main 2R.WebHome
Content
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96 96  [[image:1774456661980-866.png||data-xwiki-image-style-alignment="center" height="211" width="282"]]
97 97  
98 98  
99 -=== X8 – header for current sensor 1 ===
99 +=== X8 – header for current sensor ===
100 100  
101 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
101 +Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
102 102  
103 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
103 +[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
104 104  
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
106 +|**1**|**CAN3_H**|CAN3 line H
107 +|**2**|**CAN3_L**|CAN3 line L
108 +|**3**|**GND**|Ground
109 +|**4**|**CAN3_5V**|CAN3 power line (5 V, max 400 mA)
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(%%) ===
111 +(% class="box infomessage" %)
112 +(((
113 +**Note:**
114 +CAN3 operates differently depending on used firmware:
112 112  
113 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
116 +* **BMS Main 3:** CAN3 bus is reserved;
117 +* **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:
114 114  
115 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
119 +[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="417"]]
120 +)))
116 116  
122 +=== X9 – header for BMS Logic (RS-485-2) ===
123 +
124 +Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
125 +
126 +[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
127 +
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
129 +|**1**|**LOGIC_B**|RS-485 line B for communication with BMS Logic
130 +|**2**|**LOGIC_A**|RS-485 line A for communication with BMS Logic
131 +|**3**|**GND**|Ground
132 +|**4**|**LOGIC_5V**|BMS Logic power line (+5V, max 400mA)
122 122  
123 -=== X10 – (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)header for temperature sensors(%%) ===
134 +(% class="box infomessage" %)
135 +(((
136 +**Note:**
137 +RS-485-2 operates differently depending on used firmware:
124 124  
125 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
139 +* **BMS Main 3X:** RS-485-2 bus is reserved;
140 +* **BMS Main 3:** RS-485-2 bus is used to connect with BMS Logics in a battery pack. Connection diagram for BMS Logic devices:
126 126  
127 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
142 +[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="400"]]
143 +)))
128 128  
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
145 +=== X10 – ===
133 133  
134 -=== X11 – (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)header for BMS Logic(%%) ===
147 +=== X11 – header for high-voltage bus before contactors (plus) ===
135 135  
136 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
149 +Receptacle Housing: Molex 436450200. Terminals: Molex 43030
137 137  
138 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
151 +[[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
139 139  
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
154 +|**1**|**IN1+**|Plus of the high-voltage bus (before contactors)
155 +|**2**|**IN1+**|Plus of the high-voltage bus (before contactors)
145 145  
146 -=== X12 – header for CAN2 interface ===
157 +(% class="box warningmessage" %)
158 +(((
159 +The connected voltage must not exceed 1000V.
160 +)))
147 147  
148 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
162 +=== X12 – header for high-voltage bus before contactors (minus) ===
149 149  
150 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
164 +Receptacle Housing: Molex 436450200. Terminals: Molex 43030
151 151  
166 +[[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
167 +
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
169 +|**1**|**IN1-**|Minus of the high-voltage bus (before contactors)
170 +|**2**|**IN1-**|Minus of the high-voltage bus (before contactors)
157 157  
158 -=== X13 – header for CAN1 and RS-485 interfaces ===
172 +(% class="box warningmessage" %)
173 +(((
174 +The connected voltage must not exceed 1000V.
175 +)))
159 159  
160 -Receptacle Housing: Molex 430250600. Terminals: Molex 43030
177 +=== X13 – header for high-voltage bus after contactors (plus) ===
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"]]
179 +Receptacle Housing: Molex 436450200. Terminals: Molex 43030
163 163  
181 +[[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
182 +
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
184 +|**1**|**IN2+**|Plus of the high-voltage bus (after contactors)
185 +|**2**|**IN2+**|Plus of the high-voltage bus (after contactors)
171 171  
172 -=== J1 – jumper for switching CAN2 bus terminal resistor ===
187 +(% class="box warningmessage" %)
188 +(((
189 +The connected voltage must not exceed 1000V.
190 +)))
173 173  
192 +=== X14 – header for high-voltage bus after 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:
194 +Receptacle Housing: Molex 436450200. Terminals: Molex 43030
176 176  
196 +[[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
197 +
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
199 +|**1**|**IN2-**|Minus of the high-voltage bus (after contactors)
200 +|**2**|**IN2-**|Minus of the high-voltage bus (after contactors)
180 180  
181 -=== J2 – jumper for switching RS-485-1 bus terminal resistor ===
202 +(% class="box warningmessage" %)
203 +(((
204 +The connected voltage must not exceed 1000V.
205 +)))
182 182  
207 +=== J1 – jumper for switching RS-485-1 bus terminal resistor ===
208 +
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:
211 +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 ===
217 +=== 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:
220 +[[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  
226 +=== J3 – jumper for switching CAN2 bus terminal resistor ===
227 +
228 +
229 +[[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:
230 +
231 +|**Pin**|**Name**|**Description**
232 +|**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN2 bus is connected
233 +|**2-3**|**-**|The 120 Ohm terminal resistor of the CAN2 bus is disconnected
234 +
235 +=== J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
236 +
237 +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.
238 +
200 200  == Indicators ==
201 201  
202 -=== DS2 – operation indicator ===
241 +=== 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
244 +|**Lights up green**|Device power (+5V) is present
245 +|**Doesn’t light up**|No device power
207 207  
208 -=== DS3 – communication indicator ===
247 +=== 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
250 +|**Blinking green**|Executing the battery management program
251 +|**No blinking**|Program execution error
213 213  
214 -=== DS4 – error indicator ===
253 +=== DS3 – LED indicating interaction with child devices ===
215 215  
255 +(% style="width:447px" %)
256 +|**State**|(% style="width:166px" %)**Description (Main 3)**|(% style="width:168px" %)**Description (Main 3X)**
257 +|**Blinking yellow**|(% style="width:166px" %)The device interacts with BMS Logic devices|(% style="width:168px" %)The device interacts with BMS Main 3 devices
258 +|**No blinking**|(% style="width:166px" %)-|(% style="width:168px" %)-
259 +
260 +=== DS4 – LED indicating loss of connection with child devices ===
261 +
262 +(% style="width:601px" %)
263 +|**State**|(% style="width:220px" %)**Description (Main 3)**|(% style="width:218px" %)**Description (Main 3X)**
264 +|**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
265 +|**No blinking**|(% style="width:220px" %)Communication with BMS Logic devices is stable|(% style="width:218px" %)Communication with BMS Main 3 devices is stable
266 +
267 +=== DS5-DS10 – LEDs indicating contactor switches 1-6 ===
268 +
216 216  |**State**|**Description**
217 -|**Blinking red**|Errors in communication with BMS Logic
270 +|**Lights up green**|The switch supplies voltage to the contactor winding
271 +|**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 ===
273 +=== 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
276 +|**Lights up green**|Power supply for contactor switches (9-32V) is present
277 +|**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.
283 +* Connect the power contactors to header X2.
284 +* Connect one or more current sensors, as well as external temperature sensors (if necessary) to header X5.
285 +* Connect BMS Logic devices to header X9.
286 +* Connect digital inputs and outputs (if necessary) to header X3.
287 +* Connect the high voltage bus (if necessary) to headers X11-X14.
288 +* Connect the high-voltage network integrity circuit (if necessary) to header X4.
289 +* Connect external devices (if necessary) to header X6.
290 +* Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
291 +* If the BMS Main 2R is the last device on the RS-485-1, CAN1, or CAN2 bus, install jumpers J1-J3.
292 +* 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.