Schneider Electric SR2MAN01 user manual Timers

LD Language Elements

Timers

Description	Use the Timers function to delay, prolong and control actions over a predetermined
	period. Durations can be set using one or two preset values, according to the type
	of timer.
	There are 11 types of timers:
	z On delay (A),
	z On delay, stop by reset (A),
	z Off delay (C),
	z On pulse one shot: Pulse calibrated on the command input (B) falling edge.
	z Timing after pulse: calibrated on falling edge of the command input (W),
	z Flasher unit, control held down synchronously (D),
	z Flasher unit, Press to start/stop, Synchronous (D),
	z Time on addition (T),
	z A/C,
	z Flasher unit, control held down asynchronously (L),
	z Flasher unit, Press to start/stop, Asynchronous (I),
	Refer to the Timing Diagrams paragraph for the description of different types of
	timers.
	The smart relay has 16 timer function blocks, numbered from 1 to 9 then from A to G.
	Each block has a reset input, a command input and an output used to indicate timer
	time-out.

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