6
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6.25 Service Processing
6.25.2 Service processing
6
FUNCTIONS
(d) Operation details when "Execute it while waiting for constant scan setting."
is selected
POINT
1. When setting the constant scan, selecting [Execute it while waiting for
constant scan setting.] enables to reduce the scan time compared with
performing the scan in accordance with the scan time percentage.
• When performing the service processing at wait time of constant scan
setting
• When performing the scan in accordance with the scan time percentage
2. Even when there is no wait time, the service processing (0.2ms) is performed.
Therefore, when the wait time is less than 0.2ms, the constant scan time may
be exceeded.
Figure 6.117 Operation when "Execute it while waiting for constant scan setting." is selected
Program execution
Waiting time
END processing
Program execution
END processing
Constant scan
GX Developer
Request 1
Request 2
Request 3
Request 4
Waiting time
Constant scan
The service processing is executed
in the waiting time.
Request 3
Request 5
Request 4
Request 2
Request 1
Constant scan
Program execution
END processing
Wait time
Service processing
Scan time (constant scan setting)
Service processing
time
Program execution
END processing
Wait time
Service processing
Scan time (constant scan setting)
0%
50%
100%
Service processing
time
