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Last modified by Admin on 2026/04/02 13:49
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on 2026/03/24 16:31
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19 19  
20 20  == Installation procedure ==
21 21  
22 -The mounting location of the BMS Main 2R device must be protected from mechanical particles (dust, dirt, large objects) and water. The installation location must provide easy access for subsequent connection to the device connectors.
22 +The mounting location of the BMS Main 3 / BMS Main 3X device must be protected from mechanical particles (dust, dirt, large objects) and water. The installation location must provide easy access for subsequent connection to the device connectors.
23 23  
24 24  Overall and mounting dimensions are shown in figure below.
25 25  
26 -[[image:1774349658793-888.0b.STEP.JPG||data-xwiki-image-style-alignment="center" height="522" width="450"]](% title="Click and drag to resize" %)​
26 +(% data-widget="image" contenteditable="false" tabindex="-1" %)[[image:1733311711953-224.png||data-xwiki-image-style-alignment="center" height="566" width="775"]](% title="Click and drag to resize" %)​
27 27  
28 28  |**Parameter**|**Value**
29 -|Overall dimensions (length × width × height), mm|120 × 120 × 16
30 -|Mounting dimensions (length × width), mm|114 × 114
29 +|Overall dimensions (length × width × height), mm|200 × 123 × 12
30 +|Mounting dimensions (length × width), mm|194 × 114
31 31  |Mounting holes|M3
32 32  
33 33  == Headers ==
34 34  
35 -The location and designation of connectors on the BMS Main 2R device are shown below.
35 +The location and designation of connectors on the BMS Main 3 / BMS Main 3X device are shown below.
36 36  
37 37  (% contenteditable="false" tabindex="-1" %)
38 38  (((
39 -[[image:1774455018488-627.png||data-xwiki-image-style-alignment="center"]]
39 +[[image:1732119505664-787.png||data-xwiki-image-style-alignment="center" height="417" width="684"]]
40 40  )))
41 41  
42 42  (% class="box warningmessage" %)
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45 45  All headers are shown from the device side!
46 46  )))
47 47  
48 -=== X1 – header for discrete inputs and outputs ===
48 +=== X1 – header to power the device ===
49 49  
50 50  Receptacle Housing: Hirose ZE05-8DS-HU/R. Terminals: Hirose ZE05-2022SCF
51 51  
52 52  (% class="wikigeneratedid" id="H" %)
53 -[[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
53 +(% data-widget="image" contenteditable="false" tabindex="-1" %)[[image:1732121673277-246.png||data-xwiki-image-style-alignment="center" height="85" width="200"]]
54 54  
55 55  |**Pin**|**Name**|**Description**
56 -|**1–8**|**GND**|Ground
57 -|**9**|**DO_1**|Discrete output 1 “open drain” (5V
58 -|**10**|**DO_2**|Discrete output 2 “open drain” (60 V, 1A)
59 -|**11**|**DO_3**|Discrete output 3 “open drain” (60 V, 1A)
60 -|**12**|**DO_4**|Discrete output 4 “open drain” (60 V, 1A)
61 -|**13**|**DI_4**|
62 -|**14**|**DI_3**|Power-on signal
63 -|**15**|**DI_2**|Power-on signal (battery charge requirement)
64 -|**16**|**DI_1**|Power line (9-32V)
56 +|**1–2, 5–6**|**GND**|Ground
57 +|**3**|**KEYRUN**|Power-on signal
58 +|**4**|**CHARGE_ON**|Power-on signal (battery charge requirement)
59 +|**7–8**|**VIN**|Power line (9-32V)
65 65  
66 66  Power supply connection diagram:
67 67  
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129 129  |**3**|**HVIL_IN**|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
130 130  |**4**|**HVIL_PWR**|Current loop power supply (max 5V, 25mA)
131 131  
132 - 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.
127 + If the BMS Main 3 / BMS Main 3X device generates current in a current loop, the current loop must be connected to the **HVIL_PWR** and **HVIL_IN** pins. If BMS Main 3 / BMS Main 3X is a passive current loop meter, then the current loop must be connected to the **HVIL_IN** and **HVIL_OUT** pins.
133 133  
134 134  Connection diagram to the current loop:
135 135  
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253 253  
254 254  === X10 – miniUSB connector ===
255 255  
256 -The miniUSB connector is used to configure the parameters of the BMS Main 2R device.
251 +The miniUSB connector is used to configure the parameters of the BMS Main 3 / BMS Main 3X device.
257 257  
258 258  === X11 – header for high-voltage bus before contactors (plus) ===
259 259  
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345 345  
346 346  === J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
347 347  
348 -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.
343 +The BMS Main 3 / BMS Main 3X 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.
349 349  
350 350  == Indicators ==
351 351  
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399 399  * Connect the high-voltage network integrity circuit (if necessary) to header X4.
400 400  * Connect external devices (if necessary) to header X6.
401 401  * Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
402 -* If the BMS Main 2R is the last device on the RS-485-1, CAN1, or CAN2 bus, install jumpers J1-J3.
397 +* If the BMS Main 3 / BMS Main 3X is the last device on the RS-485-1, CAN1, or CAN2 bus, install jumpers J1-J3.
403 403  * 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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