CS1G-CPU44H datasheet(13/27 Pages) OMRON

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CPU Overview

Programmable Controller

CS1

C--23

Maintenance and Management

J A Wide Range of Special Functions

Cycle Time Functions

Application

Solutions

Shorter cycle time

Reducing the cycle time.

• Place tasks that are not being executed on standby.

• Create subroutines for portions of tasks executed only under special conditions.

• Disable cyclic refreshing for Special I/O Modules when not required each cycle.

Eliminating deviations in I/O response time.

• Set the cycle time to a fixed time.

Set fixed time.

Stopping operation for long cycle times.

Over time

Operation

stopped.

• Use the cycle time monitoring function to stop operation when the cycle time is

too long.

Reducing I/O response time for

specific I/O.

Interrupt input

Interrupt task

High-

speed

I/O

• Use an I/O interrupt task to execute an interrupt program when a specific input

turns ON and then directly refresh external I/O when the appropriate instruction is

executed in the interrupt program.

External I/O can be directly refreshed, either by using immediate refreshing for

instruction operands or by using the IORF instruction to refresh all or a specified

portion of external I/O.

Inputting signals (e.g., from photomicrosensors)

that are shorter than the cycle time.

Cycle time

Input pulse

Detected

• Use the high-speed pulse input function of the C200H High-Density I/O Modules

(C200H Special I/O Modules). These Modules can detect 1-ms or 4-ms pulses

(except C200H-OD501/OD215,)

• Use the IORF instruction to refresh inputs during program execution to further

increase processing speed.

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