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118 T1-16S User’s Manual
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 Output
OFF Regardless of the state of dev ice AOFF
ON W hen device A is OFF ON
When dev ice A is ON OFF
Operand
Name Device Register Constant Index
X Y R S T. C. XWYWRWSW T C D I J K
ADevice √√√√√√
Example
Coil Y022 comes ON when the devices X000 and R001 are both OFF.
X000
R001
Y022