Panasonic FP-E - Page 578

High−level Instructions
3 − 314
Outline Updates specified partial I/O points.
Program example
Ladder
Diagram
Boolean
Ladder Diagram
Address Instruction
10
F143 IORF , WX 0 , WX 0
D1
D2
Trigger
R10
Input update
20
F143 IORF , WY 0 , WY 0
D1
D2
R20
Output update
10
11
20
21
ST R 10
F143 (IORF)
WX 0
WX 0
ST R 20
F143 (IORF)
WY 0
WY 0
D1 Starting word address
D2 Ending word address
Operands
O
p
erand
Relay Timer/Counter Register
Index
register
Constant
Index
modifier
Operand
WX WY WR SV EV DT I K H
modifier
D1 A A N/A N/A N/A N/A N/A N/A N/A A
D2 A A N/A N/A N/A N/A N/A N/A N/A A
Explanation of example
Updates external input relays WX0 (X0 to XF) immediately when the execution condition (trigger) R10 turns
on and updates external output relays WY0 (Y0 to YF) immediately when the execution condition (trigger)
R20 turns on.
Description
Updates the external inputs X and external outputs Y specified by D1 and D2 immediately even in the
program execution stage.
Refreshing (Updating) initiated by the F143 (IORF) instruction is done only for the control unit.
With input refreshing (updating), WX0 should be specified for [D1] and [D2].
With output refreshing (updating), WY0 should be specified for [D1] and [D2].
The allowable I/O range for the partial update varies depending on the models.
FP0/FP0R/FP−e/FPΣ/FP−X
F143
(IORF)
Partial I/O update
Availability
FP0/FP0R/FP−e/
FPΣ/FP−X
A: Available
N/A: Not Available
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