Chapter 5 Relay Ladder Logic Programming
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Timer Mode 2 (ON-Delay with Reset)
Mode 2 Timer is an ON-Delay with reset that will time up to a fixed preset value and stop timing when the
current time is equal to the preset value. Additionally, the Timer current value will be kept when Timer is disabled. In
the example below, the Timer will stop timing when it reaches its preset value of 5 seconds. Timer status bit T01 will
be ON when the current value is 5. The timer reset input is input I01. The timer current value will reset to 0, and
Timer status bit T01 will turn off when I01 is ON.
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T0E and T0F keep their current value after a loss of power to the smart relay if “M Keep” is active, but the others’
reset to 0.
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