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User Manual
ECA-B Series
4.2.3 Connection with MHT/MHS Series
EV charger and batte use communication po of the inveer in common, and the general
wiring diagram among the inveer, EV charger and the batte is shown as below:
Connect inveer BMS po to “IN” po of waterproof connector via network cable labeled
with “INV”.
Connect communication po of batte to “OUT” po of waterproof connector via network
cable labeled with “BMS”.
Connect RS485 communication po of EV charger to “OUT” po of waterproof connector
via network cable labeled with “EVC”.
Please note that RS485 A and RS485 B can not be connected reversely which might lead to
communication failure.
BMS
BMS
INV
INV