Minimum Cycle Time; Functions Related To The Cycle Time - Omron CP1H CPU Operation Manual

Computing the Cycle Time
2-7-3

Functions Related to the Cycle Time

Minimum Cycle Time

Watch Cycle Time
PLC Setup
Related Flags
Cycle Time
Monitoring
94
Set the minimum cycle time to a non-zero value to eliminate inconsistencies in
I/O responses. A minimum cycle time can be set in the PLC Setup between 1
and 32,000 ms in 1-ms increments.
Minimum cycle time Minimum cycle time
(effective) (effective)
Actual cycle
Actual cycle
time
time
This setting is effective only when the actual cycle time is shorter than the
minimum cycle time setting. If the actual cycle time is longer than the mini-
mum cycle time setting, the actual cycle time will remain unchanged.
Minimum cycle time
Actual cycle
time
PLC Setup
Name
Minimum cycle time 0000 to 7D00 hex
(1 to 32,000 ms in 1-ms incre-
ments)
If the cycle time exceeds the watch (maximum) cycle time setting, the Cycle
Time Too Long Flag (A401.08) will be turned ON and PLC operation will be
stopped.
Name
Enable Watch Cycle 0: Default (1 s)
Time Setting 1: User setting
Watch Cycle Time 001 to FA0: 10 to 40,000 ms
(10-ms increments)
Name Address
Cycle Time Too Long A401.08
Flag
The maximum cycle time is stored in A262 and A263 and the present cycle
time is stored in A264 and A265 every cycle.
Minimum cycle time
(effective)
Actual cycle
time
Minimum cycle time
Minimum cycle time (effective)
Actual cycle
Actual cycle
time
time
Settings
0000 hex: Variable cycle time
Settings
0000 hex: Watch cycle time of
1 s
Description
Turns ON if the present cycle time exceeds the
Watch Cycle Time set in the PLC Setup.
Section 2-7
Default
Default