The RTO timer in an SLC 500 PLC must use a reset command to force the accumulator back to a zero value.

Name: The RTO timer in an SLC 500 PLC must use a reset command to force the accumulator back to a zero value.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The Retentive Timer On (RTO) in an SLC 500 PLC retains its accumulated value even when the rung goes false, so a reset command is necessary to clear the accumulator back to zero.

The RTO Timer in an SLC 500 PLC Must Use