6F3B0253
Basic Hardware and Function 117
7. Instructions NO contact
Expression
A
Input Output
Function
NO (normally open) contact of device A.
When the input is ON and the device A is ON, 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 OFF
When dev ice A is ON ON
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 ON.
X000
R001
Y022