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6 SFC PROGRAM EXECUTION
MELSEC-Q
POINT
The operation of SM325 differs depending on the CPU module.
• For the Basic model QCPU, High Performance model QCPU, Process CPU, and
QnACPU
The SM325 turns ON/OFF at STOP RUN of the CPU module according to the output
mode setting at block stop of parameters.
• For the Universal model QCPU
The system turns ON/OFF according to the output mode setting at block stop of
parameters when turning ON power supply of the PLC and resetting the CPU module.
Parameter Setting SM325
Turns OFF (coil output OFF) OFF
Remains ON (coil output held) ON
By turning ON/OFF SM325 in the user program, the output mode at block STOP can be
changed independently of the parameter setting.
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