Timers can be combined with counters when it is necessary to extend the time of the timer beyond its normal limits.

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Quizplus · Accepted Answer

Timers and counters can be combined in programmable logic controllers (PLCs) and other control systems to create more complex timing functions, such as extending the timing beyond the normal limits of a single timer. This allows for more flexibility in control logic design.

Timers Can Be Combined with Counters When It Is Necessary