9-10
9.5.2 Operation and Precautions When RUN Starts
Operation of first scan after RUN begins
• The leading edge detection instruction is not executed when the mode has been switched to the RUN
mode, or when the power supply is booted in the RUN mode, if the trigger (execution condition) is
already on.
• If you need to execute an instruction when the trigger (execution condition) is on prior to switching to
RUN mode, make a program as below using R9014 (initial pulse off relay). (R9014 is a special internal
relay which is off during the first scan and turns on at the second scan.)
<Example 1> DF (leading edge differential) instruction
<Example 2> CT (counter) instruction
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