SolaX Power X3-ULTRA Series - COM 1 Communication Connection; Pin Assignment of COM 1 Teriminal

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Electrical Connection
7.6 COM 1 Communication Connection
7.6.1 Pin Assignment of COM 1 Teriminal
The COM 1 teriminal is used for parallel connection via Parallel-1 and Parallel-2
communication terminal, battery communication via BMS-1 and BMS-2 terminal, external
equipment communication via RS485 and DRM function.
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
Parallel-1
1: Parallel_485A
2
:
Parallel_485B
3: EPSBOX_RELAY_VCC
4
:
Parallel_CANH
5: Parallel_CANL
6
:
GND_COM
7: Parallel_SYNC1
8
:
Parallel_SYNC2
Parallel-2
1: Parallel_485A
2
:
Parallel_485B
3: EPSBOX_RELAY_VCC
4
:
Parallel_CANH
5: Parallel_CANL
6
:
GND_COM
7: Parallel_SYNC1
8
:
Parallel_SYNC2
BMS-1
1: BAT_TEMP
2
:
GND_COM
3: GND_COM
4
:
BMS1_CANH
5: BMS1_CANL
6
:
GND_COM
7: BMS1_485A
8
:
BMS1_485B
BMS-2
1: BAT_TEMP
2
:
GND_COM
3: GND_COM
4
:
BMS2_CANH
5: BMS2_CANL
6
:
GND_COM
7: BMS2_485A
8
:
BMS2_485B
RS485
1: REMOTE_485A
2
:
REMOTE_485B
3: PARALLEL_485AA
4
:
PARALLEL_485AA
5: PARALLEL_485BB
6
:
PARALLEL_485BB
7: REMOTE_485A
8
:
REMOTE_485B
DRM
1: DRM1/5
2
:
DRM2/6
3: DRM3/7
4
:
DRM4/8
5: +3.3V_COM
6
:
COM/DRM0
7: GND_COM
8
:
GND_COM