Running by Virtual External Inputs Section 8-4
178
Pausing the I/O Condition
Tool
The I/O Condition Tool pauses in the following conditions of the Ladder En-
gine.
Conditions of the
Ladder Engine
Synchronous/Asynchronous How to clear
Program/Run mode Synchronous/Asynchronous Scan Run for Synchronous
and Continuous Run (Monitor
mode) for Asynchronous.
Step Run, or Pause in
the Debug Console
Synchronous Scan Run
Break on Break Points Synchronous Scan Run
Break on I/O Break
Condition
Synchronous Scan Run
Note When the computer cycle time is 10 ms or more, hold of conditions may fail
to be caught. In this case, use in the virtual cycle time.
Note Do not perform Continuous Run (in the Monitor mode) or Continuous Scan
Run while synchronizing the I/O Condition Tool. Doing so will lose synchro-
nism in the unit of a scan. When the program has been interrupted on a
break point, etc., resume it with Scan Run.
Note While executing asynchronously, the I/O memory areas are monitored even
while the Ladder Engine is not executing a ladder program due to break, etc.
8-4-4 How to Replay Using the Program Area for Debugging
This section explains how to perform virtual external input (download and
execute) using the program area for debugging.
1,2,3…
1. Press the [Settings] button in the [System Status Settings] dialog box,
and then select [UM Settings] to display the [UM Settings] window.
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