Special I/O Unit I/O Refresh: Fiorf(225) - Omron SYSMAC CJ - REFERENCE MANUAL 01-2008 Reference Manual

Basic I/O Unit Instructions
Examples

3-23-2 SPECIAL I/O UNIT I/O REFRESH: FIORF(225)

Purpose
Ladder Symbol
Variations
Applicable Program Areas
Operands
930
When cyclic refreshing of a Special I/O Unit is disabled, execute IORF(097) or
FIORF(225) (CJ1-H-R CPU Units only) to refresh the Unit's data within 11
seconds after program execution starts. If IORF(097) or FIORF(225) is not
executed within 11 seconds to refresh the Unit's data, a CPU Unit Monitor
Error will occur in the Special I/O Unit and the ERH and RUN Indicators will be
lit.
Refreshing Words in the I/O Bit Area
The following example shows how to refresh 16 words from CIO 0015 to
CIO 0030 when CIO 000000 turns ON.
St
E
Refreshing Words in the Special I/O Unit Bit Area
The following example shows how to refresh 30 words from CIO 2000 to
CIO 2029 when CIO 000000 turns ON.
St
E
Performs I/O refreshing immediately for the specified Special I/O Unit's allo-
cated CIO Area and DM Area words.t with the specified unit number.
This instruction is supported by the CJ1-H-R CPU Units only.
FIORF(225)
Variations Executed Each Cycle for ON Condition
Executed Once for Upward Differentiation
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification
Function block
definitions
OK
N: Unit number
Specifies the Special I/O Unit's unit number (0000 to 005F hex or 0 to 95 dec-
imal).
Note If the Special I/O Unit uses more than one unit number, specify the lowest unit
number.
St:
E:
St:
E:
N
N: Unit number
Block program Step program
areas areas
OK OK
Section 3-23
I/O Unit
I/O refreshing
Special I/O Unit
I/O refreshing
FIORF(225)
@FIORF(225)
Not supported
Subroutin Interrupt
es tasks
OK OK