Mitsubishi Electronics FX5U ユーザーズマニュアル

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7  OPERATION ADJUSTMENT
7.3  Running, Stopping, and Resetting
7.3
Running, Stopping, and Resetting
Methods of running, stopping, and resetting
The following two methods of running, stopping, and resetting the FX5U CPU modules are provided.
Using the RUN/STOP/RESET switch
The operation status of the CPU module can be changed with the RUN/STOP/RESET switch.
Setting the RUN/STOP/RESET switch to the RUN position runs the program. Setting the switch to the STOP position stops 
the program.
Resetting method
Resetting can be performed with the RUN/STOP/RESET switch. Resetting is not performed immediately after the RUN/
STOP/RESET switch is set to the RESET position.
Perform the following procedure to reset with the RUN/STOP/RESET switch.
Remote operation
The operation status of the CPU module can be changed externally with the RUN/STOP/RESET switch set to the RUN 
position. The operation status of the CPU module can be set to the PAUSE status.
Remote operation can be performed by either of the following methods.
 • Using contacts (MELSEC iQ-F FX5 User's Manual (Application))
 • Using engineering tools (GX Works3 Operating Manual)
 • Using external devices using SLMP (MELSEC iQ-F FX5 User's Manual (SLMP))
Use of several running/stopping methods
When the RUN/STOP/RESET switch and RUN contact are used
 • The RUN/STOP status of the PLC is determined by the conditions shown in the following table.
1.
Set the RUN/STOP/RESET switch (1) to the RESET position for at least 
one second.
2.
Make sure that the ERR LED (2) flashes several times and the light goes 
off.
3.
Return the RUN/STOP/RESET switch to the STOP position.
RUN/STOP/RESET switch status
Condition of the input specified as the 
RUN terminal by parameters
CPU module status
RUN
RUN
RUN
STOP
STOP
STOP
RUN
STOP
STOP
STOP
(1)
(2)