Asked by Samantha DiJohn on Apr 25, 2024
Verified
The operation of a PLC retentive timer is similar to that of an:
A) electromagnetic pneumatic timer.
B) electromechanical motor-driven timer.
C) off-delay timer.
D) on-delay timer.
Electromechanical
Pertaining to systems or devices combining electrical and mechanical components.
PLC Retentive Timer
A type of timer in a Programmable Logic Controller (PLC) that retains its value even after a power loss or when the PLC goes into a stop mode.
- Grasp the principle of operation and characteristics of PLC retentive timers.
Verified Answer
ZM
Zaveion Mathews7 days ago
Final Answer :
B
Explanation :
Electromechanical motor-driven timers, like PLC retentive timers, maintain their state (time value) even when the controlling signal is removed, allowing them to "retain" the timing operation progress similar to how a PLC retentive timer would.
Learning Objectives
- Grasp the principle of operation and characteristics of PLC retentive timers.
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