Mitsubishi Electric Q01UCPU User Manual page 242

(b) Operation when "Specify service process time." is selected
• Operation when 0.5ms is set
Program execution
END processing
Program execution
END processing
Program execution
END processing
• Operation when 1ms is set
Program execution
END processing
Program execution
END processing
Program execution
END processing
If no request data exists when setting the service processing time, END processing speeds up by the request processing
time. (The CPU module does not wait for requests.)
240
0.5ms
Request 1
When the time required for processing one request
exceeds the service processing time (0.5ms) , the
service processing is suspended and the processing
is performed at END processing in the next scan.
Request 1
Request 2
The scan time increases equally.
Request 2
1ms
Request 1
Request 2
Request 2
Request 3
Although multiple processing is performed at
one END processing, the scan time increases equally.
Request 3
Request 4
Programming tool
Programming tool
Several requests are processed until the time exceeds
the specified service processing time (1ms).
When the time exceeds the specified service
processing time, the service processing is suspended
and the request is processed continuously at END
processing of next scan.