Plc Setup - Omron CJ2 CPU UNIT SOFTWARE User Manual

Cj2 cpu unit software
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10-8-7 PLC Setup

Settings for the synchronous unit operation function are made in the Synchronous Unit Operation Set-
tings Area of the Timings/Synchronous Tab Page from the CX-Programmer.
Use Synchronous Operation
This check box is used to enable and disable the synchronous unit operation function.
Parameter
Use Synchro-
nous Operation
Synchronous Cycle Time
Set the synchronous operation cycle time.
Parameter
Synchronous Cycle
Time
Precautions for Correct Use
Precautions for Correct Use
The following conditions must be met for the synchronous operation cycle time.
• The synchronous processing time must be less than the synchronous operation cycle time.
• The internal processing time of a Synchronous Unit must be less than the synchronous cycle
time.
Generally speaking, set the synchronous operation cycle time to 1.5 times the synchronous pro-
cessing time or higher.
CJ2 CPU Unit Software User's Manual
Settings
Default
Cleared: Not used.
Cleared (not used)
Selected: Used.
Settings
0.5 to 10.0 ms
2.0 ms
(in increments of
0.1 ms)
10 CPU Unit Functions
Description
Select the check box to use
synchronous unit operation.
If using the synchronous
unit operation function is
enabled, the high-speed
interrupt function will be
unconditionally enabled.
Default
Description
Set the synchro-
nous operation cycle
time.
10
Related Auxiliary
Area bits and
words
---
Related Auxiliary
Area bits and
words
A10102 (Synchro-
nous Operation
Cycle Time)
10-95

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