Connection To A Gx Device; Wired Connection To A Gx Device - Victron energy ET340 Manual

On the GX device go to the grid meter in the Wired AC sensor settings. Make sure 'Phase type' is set to 'Single phase' and 'PV
inverter on phase 2' is enabled.

3.2. Connection to a GX device

3.2.1. Wired connection to a GX device

Connect the Energy Meter to the GX device using the RS485 to USB interface.
The RS485 to USB interface cable between the GX device and the Energy Meter can be extended up to 100 meters; make sure
that the extensions of the Data+ (orange) and Data- (yellow) wires form a twisted pair.
The table below shows the colors of the wires and their connection to the terminals of the ET340, as well as the colors to be used
for a CAT5 extension cable.
RS485 to USB RS485 Signal
Orange Data +
Yellow Data -
Black GND
The red, green and brown wire coming out of the RS485 to USB cable are not used.
Page 5
Energy Meter Manual
Fuse
mcb
ET340
Single ET340 measures the Grid and a single phase PV Inverter
ET340 terminal number
8
9
10
L3
L2
L1
N
PE
PV Inverter
Inverter/Charger
Suggested wire color CAT5 extension cable
Orange
Orange/White
Brown
Installation and configuration