Enable Peripheral Servicing: Iors(288) (Cs1-H/Cj1-H/Cj1M Only) - Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 Reference Manual

Other Instructions
Example
3-31-10 ENABLE PERIPHERAL SERVICING: IORS(288) (CS1-H/CJ1-H/
CJ1M Only)
Purpose
Ladder Symbol
Variations
Applicable Program Areas
Description
Flags
The following example shows IOSP(287) and IORS(288) used to disable
peripheral servicing in a program section.
W00000
Enables the peripheral servicing during program execution in Parallel Pro-
cessing Mode that was disabled by IOSP(287), the DISABLE PERIPHERAL
SERVICING instruction.
This instruction is supported by CS1-H, CJ1-H, and CJ1M CPU Units only.
IORS(288)
Variations Executed Each Cycle for ON Condition
Executed Once for Upward Differentiation
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification
Block program areas
OK OK
Use IORS(288) in a cyclic task to release the prohibition on peripheral servic-
ing by IOSP(287), the DISABLE PERIPHERAL SERVICING instruction.
It is not necessary to program IORS(288) with an execution condition.
IORS(288) cannot be executed in an interrupt task. An error will occur and the
Error Flag will be turned ON if IORS(288) is executed in an interrupt task.
Name Label
Error Flag ER
IOSP
IORS
Step program areas Subroutines
OK
Operation
ON if IORS(288) is executed in an interrupt task.
OFF in all other cases.
Section 3-31
When the PLC is in
Parallel Processing
Mode, peripheral
servicing is executed in
parallel.
When W00000 is ON,
execution of peripheral
servicing is disabled
between IOSP(287) and
IORS(288).
Enables execution of
peripheral servicing.
When the PLC is in
Parallel Processing
Mode, peripheral
servicing is executed in
parallel.
IORS(288)
Not supported.
Not supported.
Interrupt tasks
Not allowed
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