39
40
Plan B
Information
When three phase inverter and single-phase inverter shared a RS485
communication line, the total length of which does not exceed 1km
and device number should not be more than 32.
6.5.3 RS485 cable connection
Rs485 cable connection
Pin1------- TR-(B)
Pin2------- Shielding layer
or no connection
Definitions of RS485 PLUG (standard) as follows:
Pin1------- TR-(B)
Pin2------- Shielding layer
or no connection
Pin3------- TR+(A)
Pin3------- TR+(A)
1. Please loosen four screws, take down the RS485 waterproof cover from inverter. If
you don’t choose RS485 as communication method, keep it on the inverter.
