6F3B0253
7. Instructions
NC contact
Expression
A
Input Output
Function
NC (normally closed) contact of device A.
When the input is ON and the device A is OFF, the output is turned ON.
Execution condition
Input | Operation |
OFF | Regardless of the state of device A |
ON | When device A is OFF |
| When device A is ON |
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Output
OFF
ON
OFF
Operand
| Name |
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| Device |
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| Register |
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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
Coil Y022 comes ON when the devices X000 and R001 are both OFF.
X000
R001
Y022
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