Asked by David oxford on Jul 26, 2024
Verified
Normally, sequencer instructions are retentive. This means that, if you are at step 3 of a 10-step sequencer and power to your system is lost, when power is restored the sequencer will:
A) return to step 3.
B) increment to step 4 automatically.
C) reset to step 1 automatically.
D) advance to step 10 automatically.
Sequencer Instructions
Instructions used in PLC programming to execute a series of operations or control a process step by step.
Retentive
Pertaining to a device or process that retains its state or data even after power is lost or reset.
- Grasp the concept of retentive and non-retentive properties of sequencer instructions in PLC programming.
Verified Answer
RR
Rayla Russell
Jul 30, 2024
Final Answer :
A
Explanation :
Retentive instructions retain their state after a power loss, so the sequencer will return to step 3 when power is restored.
Learning Objectives
- Grasp the concept of retentive and non-retentive properties of sequencer instructions in PLC programming.
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