NOR (OR NO)
This function logically NEGATIVELY ORs the connected input signals. The connected input signals must be digital input signals.
Logic NEGATIVE ORing is carried out as follows:
If at least one INPUT is set to ON, the OUTPUT is set to OFF. If all the connected INPUTS are set to OFF, the OUTPUT is set to ON.
The non-connected INPUTS are set to a neutral value for this function: OFF