Mitsubishi Electric MELSEC-Q00U(J)CPU User Manual page 135

(4) Precautions
Pay attention to the following since the STOP status is given priority over other status.
(a) Timing of changing to the STOP status
The operating status of the CPU module is changed to STOP when the remote STOP operation is performed
from any one of the following: RUN contact, programming tool, or an external device using the MC protocol.
(b) When changing the status back to RUN
To change the operating status back to RUN after the CPU module status was changed to STOP by the remote
STOP operation, perform the remote RUN operation in the same order for the remote STOP operation.
● The definitions of the RUN/STOP status are described below.
• RUN status: Status where program operations are repeatedly performed in a loop between the step 0 and the
END or FEND instruction.
• STOP status: Status where program operations are stopped. All outputs (Y) turn off.
● After the CPU module is reset, the operating status of the CPU module becomes the one set using the
RUN/STOP/RESET switch.
CHAPTER 3 FUNCTIONS
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