IMO Precision Controls K7 Series User Manual page 9

Chapter 1. General
(8) Debugging function
On-line debugging is available if the PLC Operation mode is set to debug mode.
executed by one command.
executed by break-point settings.
executed by the condition of the device
executed by the specified scan time.
(9) Various program execution function
External and internal interrupt program as well as scan program can be executed by setting the execution condition.
The user can set variously the program execution mode.
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