Timer Mode 4 (OFF-Delay)
Mode 4 Timer is an OFF-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 current time value is non-retentive and will
reset to zero on a loss of power to the PLR. In the example below, the timer reset input is Input I 1.
Also in the example below, the timer status bit T1 will turn ON only after its rung transitions from true to
false. Timer status bit T1 will turn OFF when the current time value reaches 10 seconds.
45
Chapter 4: RLL Programming
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SG2 PLR User Manual
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