"May" Means Something Within the Standards That Is Recommended and Not

question 6

True/False

"May" means something within the standards that is recommended and not mandated.

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Definitions:

Ladder Rung

A horizontal section of a ladder logic diagram, representing a specific logic operation in PLC programming.

Off-Delay Timer

An electromechanical relay with contacts that change state a predetermined time period after power is removed from its coil; on re-energization of the coil, the contacts return to their shelf state immediately; also, a programmable logic controller instruction that emulates the operation of the electromechanical off-delay relay.

Ladder Rung

A single line of logic in a ladder diagram that equates to a control circuit, usually comprised of inputs and outputs represented by symbols.

Relay Coil

A component in electrical and electronic engineering that produces a magnetic field when electric current flows through it, typically used to control a circuit by opening or closing connections in another circuit.