Dear all,
I'm a newbie in Labview and I am struggling with the DAQ assistant.
I generate a signal using NI9263 at AO0.
The generated signal at AO0 is a pulse-like train between -10 and 10V. Meaning it is always 0V, but then goes to +10V for a short time, then to 0V for a short time, then to -10V for a short time and back to 0 V. I can generate this pulse-train using a front panel button. Every time I press the button, a single pulse-train is generated. That works fine.
I want to read this signal back using NI9205 at AI0. Therefor I use the DAQ assistant in analog trigger mode on AI0, level 5V.
I set the triggering to wait infinitely. I placed this code in an infinite while loop.
When I run the code, I first press the front panel button to generate the signal and I see this is happening on an oscilloscope.
But, the triggering does NOT occur. When I press a second time the front panel button to generate the signal, THEN a trigger occurs.
Triggering seems to work only after I twice generate the pulse-train. So triggering happens on the 2nd press, on the 4th press, 6th, ...
Why does it not trigger on all the events?
Thanks!
