Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 User Manual

929
Basic I/O Unit Instructions Section 3-23
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.
Examples 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.
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.
3-23-2 SPECIAL I/O UNIT I/O REFRESH: FIORF(225)
Purpose 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.
Ladder Symbol
Variations
Applicable Program Areas
Operands 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
I/O refreshing
I/O Unit
St:
E:
St
E
Special I/O Unit
I/O refreshing
FIORF(225)
N
N: Unit number
Variations Executed Each Cycle for ON Condition FIORF(225)
Executed Once for Upward Differentiation @FIORF(225)
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification Not supported
Function block
definitions
Block program
areas
Step program
areas
Subroutin
es
Interrupt
tasks
OK OK OK OK OK

Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 Specifications

General

Brand	Omron
Model	SYSMAC CJ - REFERENCE MANUAL 08-2008
Category	Controller
Language	English