Omron ZEN Operation Manual page 154

Ladder Program Execution
Cycle Time Calculation Method
Cycle = Common
time processing
( µ s)
time
Refer to the following table for ZEN execution times. The execution times are provided
as a guide. External factors, button operations, execution of ZEN Support Software
operations, and timing of the processing affects the actual processing times.
Common Processing Time
Unit type
Standard LCD-type CPU Units,
Economy-type CPU Units, and
Communications-type CPU Units
LED-type CPU Units
Expansion I/O Unit Processing Time
Unit type
Expansion I/O Units
Communications Processing Time (only for CPU Units with Communications)
Reading information
Writing set values
Writing time information
130
+ Processing time
taken when
Expansion I/O Units
are connected
Common processing time
850 µ s
200 µ s
Expansion I/O Unit processing time
160 µ s per Unit
170 µ s
Twin timer: 11,000 µ s
Others: 6,000 µ s
820 µ s
+ Ladder
program
execution time
Appendix B
+ Communications
processing time
(only for CPU Units
with
communications)