6F3B0253
7. Instructions
( N )
Negative pulse coil
Expression
A
Input ( N )
Function
When the input is changed form ON to OFF, the device A is set to ON for 1 scan time. This instruction is used to detect the input changing from ON to OFF.
Execution condition
Input | Operation | Output |
OFF | When the input at last scan is OFF, sets A to OFF | − |
| When the input at last scan is ON, sets A to ON | − |
ON | Sets device A to OFF | − |
Operand
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| Constant | Index | ||||
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| X | Y | R | S | T. | C. | XW | YW | RW | SW | T | C | D | I | J | K |
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A | Device |
| √ | √ | √ |
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Example
R101 comes ON for only 1 scan when X000 is changed from ON to OFF.
X000
R100
1 scan time 1 scan time
Note
•The maximum usable number in a program is 2048.
( P N (P) (N) total)
128
