Hitachi HIDIC MICRO-EH Applications Manual page 176

Item number FUN instructions-3
Ladder format
FUN 81 (s)
* (IOREF (s))
Instruction format
FUN 81 (s)
* (IOREF (s))
Usable I/O
s Type
Function
s Input type
•
Depending on the I/O type of the area specified by s, refresh is performed with respect to I/O modules only, output modules
only.
•
Refresh is performed by each slot assignment according to the I/O assignment.
•
If the refresh processing is completed normally, DER is set to '0.'
* ( ) indicates the display when the Ladder Editor is used.
Notes
•
If the I/O type is other than H00 or H01, DER is set to "1" and no processing will be performed.
•
If the argument s exceeds the maximum I/O number, DER is set to "1" and no processing will be performed.
Program example
R000
DIF0
R001 DIF1
Program description
•
Upon leading of R000, the input module is refreshed.
•
Upon leading of R001, the output module is refreshed.
Name
Condition code
R7F4 R7F3 R7F2
DER ERR SD
↕
Number of steps
Condition
—
Bit
R, TD, SS,
X Y M CU, CT WX WY
H00: Input refresh
H01: Output refresh
WR0004 = 0
FUN 81 (WR0004 )
WR0004 = 1
FUN 81 (WR0004 )
5-126
Chapter 5 Instruction Specifications
I/O refresh (Input/output)
Processing time (µs)
R7F1 R7F0
Average Maximum
V C
244
Steps
3
Word Double word
WR, DR,
WM TC DX DY DM
LD
AND
[
WR0004 = 0
FUN 81 (WR0004)
]
LD
AND
[
WR0004 = 1
FUN 81 (WR0004)
]
Remark

Other
R000
DIF0
R001
DIF1