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MELSEC-Q
4 SETTING AND PROCEDURE BEFORE OPERATION
4.4 Stopping the CPU (Unintentional Output Prevention)
STOP RUN
Set the CPU module's RUN/STOP switch to the STOP side.
4.5 Checking the Input Power Supply Voltage
Check that the supply power voltage to the power supply module is within the
specifications.
4.6 Powering On
Check the power supply to the network module.
4.6.1 Checking the on status of the POWER LED of the power supply module
POWER
The POWER LED lights up at the same time when the programmable controller
system is powered on.
4.6.2 Checking the on status of the RUN LED of the network module
RUN REM.
T.PASS D.LINK
SD RD
ERR. L ERR.
Remote I/O station
RUN MNG
T.PASS D.LINK
SD RD
ERR. L ERR.
Remote master station
The RUN LED lights up in green when the network module of remote master station
and remote I/O station is operating normally.
If this LED does not light up, refer to Chapter 8, "Troubleshooting."