4 SETUP AND PROCEDURES BEFORE STARTING THE OPERATION
4.4 Stopping the CPU (Unintentional Output Prevention)
STOP
RUN
4.5 Checking the Input Power Supply Voltage
4.6 Powering On
4.6.1 Checking the on status of the POWER LED of the power supply module
POWER
4.6.2 Checking the on status of the RUN LED of the network module
Remote master station
RUN
MNG
T.PASS
D.LINK
SD
RD
ERR.
L ERR.
Remote I/O station
RUN
REM.
T.PASS
D.LINK
SD
RD
ERR.
L ERR.
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Set the CPU module's RUN/STOP switch to the STOP side.
Check that the supply power voltage to the power supply module is within the
specifications.
Check the power supply to the network module.
The POWER LED lights up at the same time when the PLC system is powered on.
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, see Chapter 8, "Troubleshooting."
MELSEC-Q
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