Installing The Communication Module - Epcom EPIG7K Manual

6 Installing the Communication Module

Insert the Wi-Fi module into the COM1 communication interface at the bottom of the
inverter and tighten the fastening screw.
The RJ45 plug for electric meter communication and digital input is inserted into the
COM2 connector, the RJ45 plug for DRM communication is inserted into the COM3
connector (only for Australian configuration).
The enlarged image of the meter communication interface and DRM communication
interface is as shown below:
Meter communication interface (COM2) is illustrated as follows:
Pin 1
Definition Blank
DRM communication interface (COM3) is illustrated as follows:
Pin 1
DRM
Definition
1/5
The RS485 communication interface of external meter – A and B are separately
connected to the pin 8 and pin 6 of COM2 to realize the communication between the
inverter and meter.
2 3
Blank DI COM1
2 3
DRM DRM
2/6 3/7
4 5
DI 1 Blank
4 5
DRM REF
4/8 GEN/0
~ 24 ~
6 7
B2 Blank
6 7
COM Shorted
LOAD/0 blank
8
A2
8