I/O Control AW00097603000
54 Basler aviator GigE
6.2.4.2 Setting a Timer Delay Time
There are two ways to set the delay time for a timer: by setting "raw" values or by setting an
"absolute value". You can use whichever method you prefer to set the delay time.
Setting the Delay Time with Raw Values
When the delay time for a timer is set using "raw" values, the delay time will be determined by a
combination of two elements. The first element is the value of the Timer Delay Raw parameter, and
the second element is the Timer Delay Time Base. The delay time is the product of these two
elements:
Delay Time = (Timer Delay Raw Parameter Value) x (Timer Delay Time Base)
By default, the Timer Delay Time Base is fixed at 1 µs. Typically, the delay time is adjusted by setting
the Timer Delay Raw parameter value.
The Timer Delay Raw parameter value can range from 0 to 4095. So if the value is set to 100, for
example, the timer delay will be 100 x 1 µs or 100 µs.
To set the delay for a timer:
Use the Timer Selector to select a timer.
Set the value of the Timer Delay Raw parameter.
You can set the Timer Selector and the Timer Delay Raw parameter value from within your
application software by using the pylon API. The following code snippet illustrates using the API to
set the selector and the parameter value for timer 1:
Camera.TimerSelector.SetValue( TimerSelector_Timer1 );
Camera.TimerDelayRaw.SetValue( 100 );
You can also use the Basler pylon Viewer application to easily set the parameters.
Changing the Delay Time Base
By default, the Timer Delay Time Base is fixed at 1 µs (minimum value), and the timer delay is
normally adjusted by setting the value of the Timer Delay Raw parameter. However, if you require
a delay time that is longer than what you can achieve by changing the value of the Timer Delay Raw
parameter alone, the Timer Delay Time Base Abs parameter can be used to change the delay time
base.
The Timer Delay Time Base Abs parameter value sets the delay time base in µs. The default is 1 µs
and it can be changed in 1 µs increments.
Note that there is only one timer delay time base and it is used by all four of the available timers.
You can set the Timer Delay Time Base Abs parameter value from within your application software
by using the pylon API. The following code snippet illustrates using the API to set the parameter
value:
Camera.TimerDelayTimebaseAbs.SetValue( 5 );
You can also use the Basler pylon Viewer application to easily set the parameters.
For more information about the pylon API and the pylon Viewer, see Section 3 on page 21.
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