Toshiba PROSEC T1 User Manual page 138

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
OFF Regardless of the state of device A
ON When device A is OFF
When device A is ON
Operand
Name
A Device
Example
Coil Y022 comes ON when the devices X000 and R001 are both OFF.
X000
R001
Y022
136
T1/T1S User's Manual
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Operation
Device
X Y R S T. C. XW YW RW SW T
Ö Ö Ö Ö Ö Ö
Output
OFF
ON
OFF
Register
C D I J
6F3B0250
Constant Index
K