7-4 
7.3 Run/Stop from Serial Communication RS485 (00-02=3) 
RS485 PLC / Computer Connection
-
+
S-
S+
Cable 
Shield
RS485 Port
 
 
To control (Run/Stop) the inverter via serial communication parameter 00-02 has be set to either a “3” for 
communication control. 
 
Default Communication Setting is: Address “1”, 9600 Bits/sec, 1 Start Bit, 1 Stop Bit, and No Parity 
 
The serial communication link function uses RS485 Modbus RTU protocol and allows for: 
  1) Monitoring (data monitoring, function data check). 
  2) Frequency setting. 
  3) Operation command (FWD, REV, and other commands for digital input). 
  4) Write function data. 
 
Command Register 
 
Inverter Command Register: 2501 (Hexadecimal) 
 
Bit 0: Run Forward 
Bit 1: Run Reverse 
Bit 2 ~ Bit 15: Refer to the chapter XX of this manual