Hitachi HIDIC MICRO-EH Applications Manual page 175

Item number FUN instructions-2
Ladder format
FUN 80 (s)
* (ALREF (s))
Instruction format
FUN 80 (s)
* (ALREF (s))
Usable I/O
s Argument (dummy)
Function
•
This instruction performs I/O refresh of all data in the external I/Os (including link area) during scanning.
* ( ) indicates the display when the Ladder Editor is used.
Notes
•
This instruction performs I/O refresh of all external I/Os.
If refresh of certain area is to be performed, use FUN81 or FUN82.
•
If the argument s exceeds the maximum I/O number, DER is set to "1" and no processing will be performed.
•
Assign argument s as a one-word dummy. The I/O specified for argument s (WR and WM) will not be affected.
Program example
X0
Program description
1 scan
I/O refresh
FUN 80 1]
Program execution 2]
Name
Condition code
R7F4 R7F3 R7F2
DER ERR SD
↕
Number of steps
Condition
—
Bit
R, TD, SS,
X Y M CU, CT WX WY
FUN 80 (WR0)
Y100
FUN 80 (WR0)
1 scan
I/O refresh
FUN 80 3]
5-125
Chapter 5 Instruction Specifications
I/O refresh (All points)
Processing time (µs)
R7F1 R7F0
Average Maximum
V C
432
Steps
3
Word Double word
WR, DR,
WM TC DX DY DM
1]
2]
3]
Remark

Other