Three of the Twelve Basic Functions Are Even Functions

question 4

Short Answer

Three of the twelve basic functions are even functions. Which are they?

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Definitions:

Normally Closed Relay

A normally closed relay is a type of relay where the contact points are closed (i.e., the circuit is complete and can carry current) when the relay is not energized, and open when it is energized.

Input Combinations

Input combinations refer to the specific sets or arrangements of input conditions or signals that determine the output or behavior of a system or circuit.

Y Output

A designation for an output point or terminal in PLCs and control systems, commonly used to control actuators and other output devices.

Energized

Referring to a state where an electrical component or circuit has power supplied to it and is operational.