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6F3B0253
Basic Hardware and Function 127
7. Instructions
( P )
Positive pulse coil
Expression
A
Input (
P
)
Function
When the input is changed form OFF to ON, the device A is set to ON for 1 scan time.
This instruction is used to detect the input changing from OFF to ON.
Execution condition
Input Operation Output
OFF Sets device A to OFF
−
ON When the input at last scan is OFF, sets A to ON
−
When the input at last scan is ON, sets A to OFF
−
Operand
Name Device Register Constant Index
X Y R S T. C. XWYWRWSW T C D I J K
A Device
√√√
Example
R101 comes ON for only 1 scan when X000 is changed from OFF to ON.
X000
R100
1 scan time 1 scan time
Note
• The maximum usable number in a program is 2048.
(
PN(P)(N)
total)