8–7
Hold-off by Events Hold-off by events is initialized and started on each trigger
(Fig. 8–4). A trigger is generated when the trigger condition is met
after the selected number of events from the last trigger. Event here
refers to the number of times the trigger condition is met after the
last trigger. For example, if the number selected is two, the trigger
will occur on the third event.
Figure 8–4. Edge Trigger with Hold-off by Events.
Holdoff by 2 events Holdoff by 2 events
Trigger Source: Positive Slope
Trigger can occur
Generated Trigger
Event
#1
Event
#2
Event
#2
Event
#1
Trigger
Event
Trigger
Event
Trigger
Event
Trigger initiates
hold-off timer
Trigger initiates
hold-off timer