Is there a way or a DAQ that can have Analog Output floating?

[zjtzlhlhs]

The fact that AO voltage are usually grounded make it troublesome to add two voltages.

Thank you very much!

Hongshi

[crossrulz]

You can use an op-amp to add voltages.

http://www.electronics-tutorials.ws/opamp/opamp_4.html

[Brad_K]

Hi hongshi,

The NI 9269 C Series module has channel-to-channel isolation and supports stacking channels for up to +/-40 V output. Is that what you are trying to do?

(The SCXI-1124 also supports this.)

Brad

[zjtzlhlhs]

Well, I should definitely try that!

Thank you!

[zjtzlhlhs]

Yeah, the isolated channel is what I want, but it's a little too expensive and not a DAQ.

Thank you anyway!

Hongshi