synchronize AI and AO with making the offset voltage active

[engkhalid]

Dear all, 

I need help to solve my problem which about synchronize the input voltage with output. I am trying to write a code that can synchronize the output voltage ( to the actuator) with input voltage (from the sensor) with changing the offset voltage (Dc voltage) while the code is running.

I have tried to test the code by connecting the input with output voltage as can be seen in the attached figure.

I found there is a delay between generating a date and acquiring a data by (Fs* number of sample). For example, if i set the number of sample (10000 )and sampling rate (1000 Hz), the delay is 10 s. I need to improve the code where it can write and read simultaneously with changing the offset voltage (Dc voltage).

Could do you please  help me to improve this code.

Khalid

[engkhalid]

Any help would be greatly appreciated:smileyhappy :

[GerdW]

Hi khalid,

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For example, if i set the number of sample (10000 )and sampling rate (1000 Hz), the delay is 10 s.

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Well: to get 10k samples with a rate of 1kS/s takes 10s. Just simple math!

What about reading just 100 samples with the same rate? This will only take 100ms…

[engkhalid]

Hi GerdW,

Thank you very much for your reply.

Actually, I need to synchronize the generator with the sensor to use this in the control system ( countrol The Dc Voltage). I need this to be fast as much as possible.if I change the Dc Voltage takes along time to acquire the signal.

Could you please help at this point to improve the code.

Khalid

[engkhalid]

Any help would be greatly appreciated:smileyhappy :

[GerdW]

Hi khalid,

why did you continue that discussion with a different user account here?