I/O Refresh Times For Plc Units - Omron CP1H CPU Operation Manual

Computing the Cycle Time
Related Words
Note
2-7-4

I/O Refresh Times for PLC Units

CP-series Expansion Unit and Expansion I/O Unit I/O Refresh Times
Name Addresses
Maximum Cycle A262 and
Time A263
Present Cycle Time A264 and
A265
The average cycle time for the past eight cycles can be read from the CX-Pro-
grammer.
The following methods are effective in reducing the cycle time.
• Place tasks that do not need to be executed on standby.
• Use JMP-JME instructions to skip instructions that do not need to be exe-
cuted.
Name
Expansion I/O Units
Analog Input Units
Analog Output Units
Analog I/O Units
Description
These words contain the maximum cycle time in
increments of 0.1 ms. The time is updated every
cycle and is recorded in 32-bit binary (0 to FFFF
FFFF hex, or 0 to 429,496,729.5 ms). (A263 is
the leftmost word.)
These words contain the present cycle time in
increments of 0.1 ms. The time is updated every
cycle and is recorded in 32-bit binary (0 to FFFF
FFFF, or 0 to 429,496,729.5 ms). (A265 is the
leftmost word.)
Model I/O refresh time per Unit
CP1W-40EDR 0.39 ms
CPM1A-40EDR
CP1W-40EDT 0.39 ms
CPM1A-40EDT
CP1W-40EDT1 0.39 ms
CPM1A-40EDT1
CP1W-32ER 0.33 ms
CP1W-32ET 0.33 ms
CP1W-32ET1
CP1W-20EDT 0.18 ms
CPM1A-20EDT
CP1W-20EDT1 0.18 ms
CPM1A-20EDT1
CP1W-16ER 0.25 ms
CPM1A-16ER
CP1W-16ET 0.25 ms
CP1W-16ET1
CP1W-8ED 0.13 ms
CPM1A-8ED
CP1W-8ER 0.08 ms
CPM1A-8ER
CP1W-8ET 0.08 ms
CPM1A-8ET
CP1W-8ET1 0.08 ms
CPM1A-8ET1
CP1W-AD041 0.61 ms
CPM1A-AD041
CP1W-DA041 0.33 ms
CPM1A-DA041
CPM1A-MAD01 0.29 ms
CP1W-MAD11 0.32 ms
CPM1A-MAD11
Section 2-7
95