Delta AS Series Operation Manual page 31

(13) Supporting on-line debugging mode
 You can use the on-line debugging mode in the AS series CPU module after a single instruction step
completes, or after a breakpoint is specified, to find bugs in the program.
 The CPU module must be running to enter the debugging mode. After enabling the on-line monitoring
function, click . The debugging screen varies from programming language to programming
language, but the same operation applies to these programming languages. For the AS series PLC,
structured text does not support debugging mode, and sequential function charts supports debugging
mode during the action and the transition.
Step 1: Set the PLC to RUN
Step 2: Entering the on-line mode
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