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Last modified by Admin on 2026/04/02 13:49
From version 83.1
edited by Admin
on 2026/03/25 16:36
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To version 58.1
edited by Admin
on 2025/03/18 12:14
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1 -drafts.BMS Main 2R.WebHome
1 +Battery management systems.BMS Main 3.WebHome
Content
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3 3  
4 4  == Safety rules ==
5 5  
6 -To perform the protection functions, the BMS must be able to disconnect the battery from the load and charger. To do this, **at least one contactor** able to break the load and charge circuits must be connected to the BMS.
6 +To perform the protection functions, the BMS must be able to disconnect the battery from the load and charger. To do this, at least one contactor able to break the load and charge circuits must be connected to the BMS.
7 7  
8 -Before use, **configure the system**. Proper operation of the BMS is possible only if it is correctly configured.
8 +Before use, configure the system. Proper operation of the BMS is possible only if it is correctly configured.
9 9  
10 -(% class="box errormessage" %)
10 +It is not recommended to use the system in batteries formed by several series of cells connected in parallel. To increase capacity, it is recommended to connect several cells in parallel groups, and then connect the groups in series.
11 +
12 +(% class="box warningmessage" %)
11 11  (((
12 12  The BMS can be connected to batteries with life-threatening and health-hazardous voltage levels. When working with high-voltage batteries, observe electrical safety regulations, use safety glasses, protective clothing, insulated tools and appliances. To prevent the damage of device avoid electrostatic discharges while working with the battery.
13 13  )))
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14 14  
15 15  (% class="box errormessage" %)
16 16  (((
17 -The system is not designed to operate with batteries whose total voltage exceeds 3000 V.
19 +**The system is not designed to operate with batteries whose total voltage exceeds 3000 V.**
18 18  )))
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.
24 +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" %)​
28 +(% 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
31 +|Overall dimensions (length × width × height), mm|200 × 123 × 12
32 +|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.
37 +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"]]
41 +[[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 ===
50 +=== 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"]]
55 +(% 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 (+5V, 20mA)
58 -|**10**|**DO_2**|Discrete output 2 (+5V, 20mA)
59 -|**11**|**DO_3**|Discrete output 3 (+5V, 20mA)
60 -|**12**|**DO_4**|Discrete output 4 (+5V, 20mA)
61 -|**13**|**DI_4**|Discrete input 4 (“dry contact”, +5V)
62 -|**14**|**DI_3**|Discrete input 3 (“dry contact”, +5V)
63 -|**15**|**DI_2**|Discrete input 2 (“dry contact”, +5V)
64 -|**16**|**DI_1**|Discrete input 1 (“dry contact”, +5V)
58 +|**1–2, 5–6**|**GND**|Ground
59 +|**3**|**KEYRUN**|Power-on signal
60 +|**4**|**CHARGE_ON**|Power-on signal (battery charge requirement)
61 +|**7–8**|**VIN**|Power line (9-32V)
65 65  
63 +Power supply connection diagram:
66 66  
65 +(% aria-label="1732120054870-496.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732120054870-496.png||data-xwiki-image-style-alignment="center" height="169" width="327"]]
67 67  
68 -=== X2 – miniUSB connector ===
67 +=== X2 – header for contactors ===
69 69  
70 -The miniUSB connector is used to configure the parameters of the BMS Main 2R device.
69 +Receptacle Housing: Hirose ZE05-12DS-HU/R. Terminals: Hirose ZE05-2022SCF
71 71  
72 -=== (% title="Click and drag to resize" %)​(%%)X3 – (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)header for power supply(%%) ===
71 +(% aria-label="1732121695049-411.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121695049-411.png||data-xwiki-image-style-alignment="center" height="87" width="267"]](% title="Click and drag to resize" %)​
73 73  
74 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
75 -
76 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
77 -
78 78  |**Pin**|**Name**|**Description**
79 -|**1**|**GND**|Ground
80 -|**2**|**V+**|Supply voltage (9-32V)
74 +|**1–4, 8–9**|**GND**|Ground
75 +|**5**|**CONT1_OUT**|Contactor control 1 (plus)
76 +|**6**|**CONT2_OUT**|Contactor control 2 (plus)
77 +|**7**|**CONT3_OUT**|Contactor control 3 (plus)
78 +|**10**|**CONT4_OUT**|Contactor control 4 (plus)
79 +|**11**|**CONT5_OUT**|Contactor control 5 (plus)
80 +|**12**|**CONT6_OUT**|Contactor control 6 (plus)
81 81  
82 + Contactor connection diagram:
82 82  
84 +(% aria-label="1732121755886-234.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121755886-234.png||data-xwiki-image-style-alignment="center" height="82" width="260"]]
83 83  
84 -=== X4, X5, X6, X7 – ===
86 +=== (% title="Click and drag to resize" %)​(%%)X3 – header for discrete inputs and outputs ===
85 85  
86 86  Receptacle Housing: Hirose ZE05-24DS-HU/R. Terminals: Hirose ZE05-2022SCF
87 87  
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124 124  |**3**|**HVIL_IN**|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
125 125  |**4**|**HVIL_PWR**|Current loop power supply (max 5V, 25mA)
126 126  
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.
129 + 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.
128 128  
129 129  Connection diagram to the current loop:
130 130  
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246 246  [[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="400"]]
247 247  )))
248 248  
249 -=== X10 – ===
251 +=== X10 – miniUSB connector ===
250 250  
253 +The miniUSB connector is used to configure the parameters of the BMS Main 3 / BMS Main 3X device.
254 +
251 251  === X11 – header for high-voltage bus before contactors (plus) ===
252 252  
253 253  Receptacle Housing: Molex 436450200. Terminals: Molex 43030
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338 338  
339 339  === J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
340 340  
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.
345 +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.
342 342  
343 343  == Indicators ==
344 344  
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392 392  * Connect the high-voltage network integrity circuit (if necessary) to header X4.
393 393  * Connect external devices (if necessary) to header X6.
394 394  * 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.
399 +* 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.
396 396  * 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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