Independent Operation For Run/Stop Input [M8035 To M8037] - Mitsubishi Electric MELSEC-Q Structured Programming Manual

FXCPU Structured Programming Manual
[Device & Common]

4.2.15 Independent operation for RUN/STOP input [M8035 to M8037]

When using external pushbutton switches to control the PLC's RUN/STOP mode, set the switches as shown
below.
The PLC enters the RUN mode by one-shot input of the RUN switch, and enters the STOP mode by one-shot
input of the STOP switch.
In FX /FX /FX
0 0S
STOP mode.
1. Program example
24V 0V
Write the above program in the PLC in advance.
2. Setting method
1) Fix the built-in RUN/STOP switch on the "STOP" side.
2) Specify the RUN switch input (X). (X000 is specified in the above circuit diagram example.)
Enable the external RUN/STOP input, and specify one input among X000 to X017 for the RUN input
signal.
a) Open the parameter setting dialog box in the programming tool.
In GX Works2, double-click [Parameter]-[PC parameter] in the project view to display the parameter
setting dialog box.
Click the "PC system (1)" tab, and set "RUN terminal input".
b) Specify the input number (X) to switch the PLC from the STOP mode to the RUN mode.
3) Specify the STOP switch input (X).
Specify an arbitrary input terminal (actual I/O in the PLC) in a sequence program.
Refer to the above program.
4) Transfer the program and parameters to the PLC.
5) Power OFF the PLC once, and then power it ON again to enable the parameter setting.
3. Cautions
1) When both the RUN switch and the STOP switch are pressed at the same time, the priority is given to the
STOP switch.
2) When the built-in RUN/STOP switch is set to "RUN" in the STOP mode, the PLC enters the RUN mode.
However, note that the STOP command has the priority over the built-in switch. For giving the STOP
command, use the STOP switch assigned to an arbitrary input. (Even if the built-in switch is set to "RUN",
the PLC enters the STOP mode when the STOP command is given because the STOP command has the
priority over the built-in switch.)
232
PLCs, only a programming tool is available for switch between the RUN mode and the
0N
RUN STOP
S/S X000 X001
M8000
Forced RUN mode
M8035
Forced RUN input
M8036
X001
Forced STOP input
M8037
4 Operations of Special Devices (M8000 and later, D8000 and later)
4.2 Supplement of Special Devices (M8000 and later and D8000 and later)
PLC
The left figure shows an example of
FX PLC (sink input).
3U