Electrical Connection Electrical Connection
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For the specific requirement of communication cable, please refer to
section 6.1 “Overview Of All Electrical Wiring Methods”.
6.4 Communication Connection
All communication cables will be done on the communication board which
is in the wiring box.
6.4.1 Make Communication Connection to Another Inverter/EV-SB
Ÿ Inverter communication system diagram
NOTE!
In the first inverter in the communication chain, plug the 8-pin female
block with the terminating 120-Ohm resistor into the 8-pin male
block. Maximum four inverters can be communicated via
communication cable.
120-Ohm terminating resistor
Inverter
Inverter
AUX1
AUX AUX
MLPE
COMM OUT COMM OUT
COMM IN COMM IN
AUX2
CT1 CT2 CT3
EPO
INV
ON
ACT
1 2 3 4 5 6
7
8
1 2 3 4 5 6
7
8
MLPE
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
2 3 4 5 6
1 2 3 4 5 6
7
8
1 2 3 4 5 6
7
8
Ÿ Detailed communication connection diagram
Inverter Inverter
EV-SB
EV-SB
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