Chapter 4: RLL Programming
Timer Mode 5 (FLASH without Reset)
Mode 5 Timer is a Flash timer without reset that will time up to a fixed preset value then change the
state of its status bit 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, timer
status bit T1 will be ON immediately when its rung is true and begin its timing sequence. Timer status
bit T1 will turn OFF when the current time value reaches its preset of 10 seconds. This Flash sequence
of the timer status bit T1 will continue as long as its rung remains true.
46
SG2 PLR User Manual
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