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14 Test Operation, Adjustment, Maintenance and Troubleshooting
14.2 Running and Stopping Procedures [Power ON]
203
FX3G Series Programmable Controllers
User's Manual - Hardware Edition
11
High-Speed
Counters
12
Output Wiring
13
Wiring for
Various Uses
14
Test Run,
Maintenance,
Troubleshooting
15
Input/Output
Powered
Extension Units
16
Input/Output
Extension
Blocks
17
Extension
Power Supply
Unit
18
Other Extension
Units and
Options
19
Display Module
20
Terminal Block
14.2 Running and Stopping Procedures [Power ON]
14.2.1 Methods of running and stopping
FX3G PLCs can be started or stopped by any of the following three methods.
Two of the methods can be combined.
The RUN/STOP switch is located under the peripheral device connector cover.
1. Operation with built-in RUN/STOP switch
Operate the RUN/STOP switch on the front panel of the main unit to start and
stop the PLC (refer to the right figure).
Turn the switch to RUN, and the PLC will start. Turn it to STOP, and the PLC will
stop.
2. Running and stopping with general-purpose input (RUN terminal)
Operation with one switch (RUN)
One of the input terminals X000 to X017
*1
of the main unit can be used as a RUN input terminal by a
parameter setting (refer to the figure below).
When the specified input terminal is turned on, the PLC starts. When it is turned off, the PLC is started or
stopped depending on the state of the built-in RUN/STOP switch.
*1. X000 to X007 in 14-point type main units, and X000 to X015 in 24-point type main units
→ For details, refer to "Kinds of Parameters and Settings" in Programming Manual.
Operation with two switches (RUN and STOP)
The PLC can be started and stopped with individual RUN and STOP pushbutton switches.
For this operation, a sequence program using M8035 to M8037 is necessary.
→ For details, refer to "Operations of Special Devices" in Programming Manual.
RUN/STOP switch
X000 X001 X002
0V24V
S/S
Main unit(sink input)
RUN
General-purpose input terminal
specified as RUN input by
parameter
X000 X001 X002
0V24V
S/S
Main unit(source input)
RUN
General-purpose input terminal
specified as RUN input by
parameter
X000 X001 X002
0V24V
S/S
Main unit(sink input)
RUN STOP
General-purpose input terminal
specified as RUN input by
parameter
X000 X001 X002
0V24V
S/S
Main unit(source input)
RUN
STOP
General-purpose input terminal
specified as RUN input by
parameter