Omron CJ - INSTRUCTIONS REFERENCE MANUAL 07-2009 Reference Manual page 808

FIORF
Instruction
SPECIAL I/O UNIT I/O
REFRESH
Symbol
Applicable Program Areas
Function block
Area
definitions
Usage OK
Operands
Operand
N Unit number
N: Unit number
Specifies the Special I/O Unit's unit number (0000 to 005F hex or 0 to 95 decimal).
Note If the Special I/O Unit uses more than one unit number, specify the lowest unit number.
Operand Specifications
Word addresses
Area
CIO WR HR
N OK OK OK
Flags
Name
Error Flag
Equals Flag
Units Refreshed by FIORF(225)
Basic I/O Units
The following areas allocated to a Special I/O Unit
(The words allocated to the specified Unit are refreshed together.)
• Allocated CIO Area words
• Allocated DM Area words
CPU Bus Units
Note This table applies to Units mounted in a CPU Rack or an Expansion Rack. It does not apply to Units mounted in a
SYSMAC Bus Slave Rack.
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Mnemonic Variations
FIORF @FIORF
Block program areas Step program areas
OK OK
Description
Indirect DM/EM
@DM
AR T C DM EM
@EM
OK OK OK OK OK OK
Label
ER • ON if the specified unit number is not between 0000 and 005F hex (between 0 and 95 decimal).
• ON if the PLC does not have a Special I/O Unit with the unit number specified by N.
• ON if the specified Special I/O Unit uses more is allocated words for two or more unit numbers, but
the unit number specified by N is not the lowest of those unit numbers.
• OFF in all other cases.
= • ON if the I/O refreshing was completed normally.
• OFF if FIORF(225) was executed while the specified Special I/O Unit was being refreshed during
cyclic refreshing.
Unit type (See note.)
Function
code
Performs I/O refreshing immediately for the speci-
225 fied Special I/O Unit's allocated CIO Area and DM
Area words with the specified unit number.
FIORF
FIORF(225)
N: Unit number
N
Subroutines
OK
Data type
UINT
Registers
addresses
Con-
stants
*DM
DR
*EM
OK OK
OK
Operation
3. Instructions
Function
SFC action or
Interrupt tasks
transition programs
OK OK
Size
1
Flags
Pulse
bits
Indirect
IR TK CF
using IR
--- OK --- --- ---
Refreshable
by FIORF(255)
No
Yes
No
3
TR
bits
---
771