Chapter 5 Instruction Specifications
5-125
Item number
FUN instructions-2
Name
I/O refresh (All points)
Ladder format
Condition code
Processing time (
µ
s)
Remark
R7F4
R7F3
R7F2
R7F1
R7F0
Average Maximum
FUN 80 (s)
DER
ERR
SD
V
C
* (ALREF (s))
↕
z
z
z
z
Instruction format
Number of steps
432
Condition
Steps
FUN 80 (s)
—
3
* (ALREF (s))
Bit
Word
Double word
Usable I/O
X
Y
R,
M
TD, SS,
CU, CT
WX WY
WR,
WM TC DX DY
DR,
DM
C
o
nstant
Other
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
FUN 80 (WR0)
FUN 80 (WR0)
X0
Y100
1]
2]
3]
Program description
I/O refresh
1 scan
1 scan
FUN 80 1]
Program execution 2]
FUN 80 3]
I/O refresh
FUN 80 (s
)
Summary of Contents for HIDIC MICRO-EH
Page 1: ...HITACHI PROGRAMMABLE CONTROLLER APPLICATION MANUAL NJI 350B X ...
Page 12: ...MEMO ...
Page 14: ...Chapter 1 Features 1 2 MEMO ...
Page 50: ...Chapter 4 Product lineup and wiring 4 18 MEMO ...
Page 196: ...Chapter 5 Instruction Specifications 5 146 ...
Page 263: ...Chapter 11 Communication Specifications 11 10 MEMO ...