- Instruction Manual for ESS R050100-
20
When the isolation switch is closed, the output port of the battery control box has high
voltage, which may cause electric shock!
(3)
Pass the positive and negative power cables and communication cables through the waterproof
connectors on the cabinet and connect them to the output interface and communication interface
of the main control box respectively.
Before connecting the BMS communication cable to inverter, please make sure that the CAN
cable is connected correctly. In some cases it might be needed to make the CAN cable at the
location. Find below the pin-outs. Make sure to very carefully test the cable after crimping it. Self-
made cables are very often the causes of very hard to diagnose problems.
No.
Name
Cable mark
L(mm)
①
Ground wire
Provide local
----
②
PCS-BAT positive cable
LOAD/CHG+
、
PCS/BAT+
2500
③
PCS-BAT negative cable
LOAD/CHG-
、
PCS/BAT-
2500
④
PCS-BAT
communication cable
BAT/CAN
、
PCS/CAN
2500
①
②
③
④
Communication cable
Power cable +
Power cable -
Ground wire