The accumulator of an SLC 500 PLC counter changes one count for every false -to -true transition at the input to the counter.

Name: The accumulator of an SLC 500 PLC counter changes one count for every false -to -true transition at the input to the counter.
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Question

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In an SLC 500 PLC, the accumulator of a counter increments by one count for every transition from false to true (off to on) at the counter's input, which is how it tracks the number of events or pulses.

The Accumulator of an SLC 500 PLC Counter Changes One