14-17
14 Serial Communications
CP1E CPU Unit Software User’s Manual(W480)
14-4 Modbus-RTU Easy Master Function
14
14-4-4 Programming Examples
Programming Example
Contact A
Contact B
Contact C
Contact Z
Stop operation when communications start.
RUN command (0: Stop)
Frequency reference:00.00Hz
RUN command (1: Start)
Frequency reference: 60.00Hz(1770 Hex)
RUN command (1: Start)
Frequency reference: 55.00Hz(157C Hex)
RUN command (1: Start)
Frequency reference: 50.00Hz(1388 Hex)
Frequency reference: 00.00Hz
RUN command (0: Stop)
Start and continue Modbus communications from
1 second after turning ON the power supply.
Modbus-RTU Master Execution Bit
D1306
D1307
D1306
A641
D1307
D1306
D1307
D1306
D1307
D1306
D1307
SET
A641.00
A641.01