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EG4 6500 - BMS Communications

EG4 6500
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BMS Communication Installation- EG4-LL
1. Introduction
When connecting to LFP battery, it is recommended to purchase a custom-made RJ45 communication
cable. Please check with your dealer or integrator for details.
This custom-made RJ45 communication cable delivers information and signal between lithium battery and
the inverter. The information is listed below:
Re-configure charging voltage, charging current and battery discharge cut-off voltage according to the
lithium battery parameters.
Starting and stopping of charging is based on the batteries SOC (State Of Charge)
2. Pin Assignment for BMS Communication Port
Definition
PIN 1
RS232TX
PIN 2
RS232RX
PIN 3
RS485B
PIN 4
NC
PIN 5
RS485A
PIN 6
CANH
PIN 7
CANL
PIN 8
GND
EG4 Electronics
www.eg4electronics.com
13

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