REC ACTIVE BMS 4S, Manual

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REC ACTIVE BMS 4S
4
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Table 2: BMS unit male socket connections.
connection description
1 Charge Relay Normally closed
2 Charge Relay Fused input
3 Discharge Relay Normally closed
4 Discharge Relay Normally open
5 Discharge Relay Fused input
6 Hibernate switch signal -
7 Hibernate switch ground -
8 Cell 4 po Analog signal
9 Cell 3 po Analog signal
10 Cell 2 po Analog signal
11 Cell 1 po Analog signal
12 Cell 1 ground - Analog signal
13 Charge Relay Normally open
14 Optocoupler charge collector -
15 Optocoupler charge emitter (darl reverse
protection diode + polyfuse)
-
16 Optocoupler discharge collector -
17 Optocoupler discharge emitter (darl
reverse protection diode + polyfuse)
-
18 CAN Vcc 4 V output from the
19 CANL -
20 RS485 Vcc -
21 RS485 A -
22 RS485 ground -
23 RS485 B -
24 Shunt- System ground
25 Shunt+ Cell 1 ground
26 - -
27 Dallas 18B20 temp. sensor GND + shield
28 Dallas 18B20 temp. sensor + 5 V
29 Dallas 18B20 temp. sensor 1-wire digital signal
30 CANH -
31 CAN ground GND potential of the battery pack
32 - -
33 Address pin 3 Normally 0, connect to pin 35 to
change to 1
34 Address pin 2 Normally 0, connect to pin 35 to
change to 1
35 Address pin ground Fused ground for Address pins