Examlex
Short bones
PB2
PB2 often refers to a secondary or specific pushbutton in a system, indicating its role or position within a sequence of controls.
Retentive On-Delay
A timing function in control systems that starts counting upon receiving an input signal and retains its timing value across power cycles, activating its output after a set delay.
Retentive Timer
A type of PLC timer that retains its value even after the power is turned off or the controlling logic is no longer true.
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