1.18 Use Cases 165
Note
Please have a look at the Hardware Real-Time Controller (HRTC) (p. 70) chapter for basic information.
With the use of the HRTC, any feasible frequency with the accuracy of micro seconds(us) is possible. The program
to achieve this roughly must look like this (with the trigger mode set to ctmOnRisingEdge):
0. WaitClocks( <frame time in us> - <trigger pulse width in us>) )
1. TriggerSet 1
2. WaitClocks( <trigger pulse width in us> )
3. TriggerReset
4. Jump 0
So to get e.g. exactly 10 images per second from the camera the program would somehow look like this(of course
the expose time then must be smaller or equal then the frame time in normal shutter mode):
0. WaitClocks 99000
1. TriggerSet 1
2. WaitClocks 1000
3. TriggerReset
4. Jump 0
Figure 1: wxPropView - Entering the sample "Achieve a defined image frequency"
MATRIX VISION GmbH
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