Scan Time; Initial Scan Time - Mitsubishi Electric MELSEC iQ-R-R00CPU User Manual

1.2

Scan Time

The CPU module repeats the following processing. The scan time is the sum of the following processing and execution time.
Switched to RUN
Initial processing (when switched to RUN)
Program execution
END processing
*1 The initial scan time includes this processing.

Initial scan time

The first scan time after the CPU module becomes in the RUN state.
How to check the initial scan time
See below.
• Values stored in SD518 (Initial Scan Time) and SD519 (Initial Scan Time)
• Program List Monitor ( GX Works3 Operating Manual)
Initial scan time monitoring
Monitoring is performed with the initial scan time monitoring time. ( Page 125 Scan time monitoring time setting)
■Precautions on the initial scan time monitoring time
• Set the initial scan time monitoring time longer than the execution time of the initial scan time.
1 RUNNING A PROGRAM
40
1.2 Scan Time
*1
I/O refresh
Scan time