11. Operation
11-19
11.7.3 RI/O STOP input signal
The RI/O STOP input signal is a signal used to externally control the stopping of remote I/O communications.
When the RUN/STOP switch of the CPU module is set to RUN and the LADDER RUN/STOP switch is set
to RUN, you can control the operation or stoppage of a remote I/O transfer by using the ON/OFF contact of
the RI/O STOP input terminal on the RI/O-IF module.
Figures 11-16 and 11-17 show the operation timing for remote I/O communications.
■ Changing the contact of the RI/O STOP terminal from OFF to ON
Figure 11-16 Timing of the RI/O STOP input signal (from OFF to ON)
Note: When LADDER MODE is set to "SIMU", the remote I/O communications are in a stop state.
■ Changing the contact of the RI/O STOP terminal from ON to OFF
Figure 11-17 Timing of the RI/O STOP input signal (from ON to OFF)
Note: When LADDER MODE is set to "SIMU", the remote I/O communications continue in a stop state, even if
the RI/O STOP input terminal changes from ON to OFF.
ON
OFF
Operation
Stop
Within 15 ms + one
sequence cycle
RI/O STOP terminal
Remote I/O communications
Asynchronous mode or within
15 ms + one refresh cycle
Synchronous mode
• One sequence cycle is the time specified by using LADDER SYSTEM.
Alternatively, it is the time to run a longer ladder program once.
• One refresh cycle is the time for remote I/O communications for the specified points.
• One sequence cycle is the time specified by using LADDER SYSTEM.
Alternatively, it is the time to run a longer ladder program once.
• One refresh cycle is the time for remote I/O communications for the specified points.
RI/O STOP terminal
Remote I/O communications
OFF
ON
Operation
Stop
Within 15 ms + one
sequence cycle
Asynchronous mode or within
15 ms + one refresh cycle
Synchronous mode
Summary of Contents for S10VE
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