Change the amplitude of the Agilent function generator output while the output is on

Hello

I am writing a program to scan the amplitude of a sine wave of a function (Agilent 33210 a) generator output. I have two sets of pilot example: Agilent 33xxx and HP33120a (the first one uses VISA, IVI 2 uses).

Using the example of driver code, I changed to generate a sine wave to 1Vpp, wait 1 sec, and then modify the amplitude of 0, 5V. I have attached the images in my field that show what happens when I do that. The two examples cut first exit before Relighting with a different amplitude. 33xxx driver takes 140ms for change, and has a strange burst between the two signal. HP3120a driver takes 30ms and cleaner air.

Agilent 33xxx example using:

\

HP33120a example using:

I would like to have the change is instantaneous. When you use the generator manually, I can turn the button and change the output in real-time without delays.

Thanks for the suggestion of Mateus, but I am trying to automate this process of my best. Change the VISA pilot is the direction I want to go.

Thank you crossrulz... I wrote a new issue VI of the Standard waveform VI set up so that it simply writes the new amplitude control and none of the other things. Worked like a charm! Now the waveform changes amplitude without turning off the exit. I also checked to see if re-defining the shape of sine wave (even if the original is also sinusoidal) was the cause of the delay as you suggested, and you were right. Thanks for the help!

Tags: NI Software

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