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10.6.4 Timer
Timers were introduced for advanced control of internal camera signals.
On Baumer LXG cameras with
Visual Applets
the timer configuration includes four com
-
ponents:
Setting
Description
Timeselector
There are three timers. Own settings for each timer can be
made . (Timer1, Timer2, Timer3)
TimerTriggerSource
This feature provides a source selection for each timer.
TimerTriggerActivation
This feature selects that part of the trigger signal (edges or
states) that activates the timer.
TimerDelay
This feature represents the interval between incoming trig-
ger signal and the start of the timer.
(0 μsec .. 2 sec, step: 1 μsec)
TimerDuration
By this feature the activation time of the timer is adjustable.
(10 μsec .. 2 sec, step: 1 μsec)
Different Timer sources can be used:
Input Line0
Frame Start
SW-Trigger
Frame End
ActionCommandTrigger
TriggerSkipped
Exposure Start
Exposure End
For example the using of a timer allows you to control the flash signal in that way, that the
illumination does not start synchronized to the sensor exposure but a predefined interval
earlier.
For this example you must set the following conditions:
Setting
Value
TriggerSource
InputLine0
TimerTriggerSource
InputLine0
Outputline1 (Source)
Timer1Active
TimerTriggerActivation
Falling Edge
Trigger Polarity
Falling Edge
Exposure
Timer
t
exposure
t
triggerdelay
InputLine0
t
TimerDuration
t
TimerDelay
