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13. MODBUS communication
■
◆MODBUS communication
This product built in with standard RS422/RS485 communicate port, support international standard
MODBUS protocol, user can monitor single or many inverters by using PLC, PC, industrial computer or
other equipment which support MODBUS protocol.
■ The physical links
The wiring of this product can use either RS422(4 wires)or RS485(2 wires), by
JUMPER(J5).
422/485 setting
RS422 RS485
TA
TB
RA
RB
IG
TA TB RA RB
IG
T+
T
_
R+
R
Master
R
R
R
R
_
FG/FP
FG/FP
Fig. RS422 The physical links