FEC920: USER GUIDE
Page 111
September 18
6.16.2 Timer modes
ON PULSE
Output goes ‘on’ as soon as the trigger input goes active, and remains on until the time period has elapsed. If
the timer is re-triggered during the timing period, the timer restarts.
Figure 100 ‘On Pulse’ definitionsON DELAY
Provides a delay between the trigger point and the timer output becoming active.
Rules
1.
After the trigger goes active, the output switches on after the delay time has elapsed, and stays on until
the trigger goes inactive.
2.
If the trigger goes inactive before the delay time has elapsed, the output does not switch on.
Figure 101 ‘On Delay’ definitions
Trigger
Output
Elapsed time
Triggered
Time
Time
Time
Re-trigger
Trigger
Output
Elapsed time
Triggered
Time
Time
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