Communication Test - Mitsubishi MELSEC iQ-F FX5 User Manual

Communication test

It is recommended to wire the master and slave stations, perform communication settings, and then execute the
communication test using the following procedure to confirm proper operation.
Communication test program is not required during operation.
Communication test process
1.
After writing the communication configuration of the master and slave stations and the program, turn OFF→ON or reset
the power supply to the FX5 PLC.
2.
Check if the SD and RD LEDs of the used channel are flashing. If the LEDs are OFF, refer to troubleshooting. (Page
64)
3.
Operate the PLC inputs (X0 to X3) of the master station, and check that the outputs (Y0 to Y3) of the slave station turn
ON.
4.
Operate the PLC inputs (X0 to X3) of the slave station, and check that the outputs (Y0 to Y3) of the master station turn
ON.
Test program for communication (master station)
RUN monitor
SM400
Test program for communication (slave station)
RUN monitor
SM400
MOV K1X0 K1M4000
MOV K1M4100 K1Y0
END
MOV K1X0 K1M6100
MOV K1M6000 K1Y0
END
3 PARALLEL LINK FUNCTION
3.7 Programming
3
61