NI 6009, AO output goes to 0 when tried to riding on 12v DC

[kaka-303]

In below circuit, AO is set on 2v when i turn on 12V DC supply AO goes to zero.

What's wrong with this connection? Am i missing something ? I don't find any voltage spec detail on AO in documentation 

[Dennis_Knutson · Accepted solution]

You just have to look at the User Guide (figure 12) to see that internally, the analog outputs are referenced to ground. Hope your device isn't damaged by what you did.

[kaka-303]

Thanks for pointing out dia. in datasheet. now i am clear about AO in 6009.

Now here is my problem.

i am capturing sensor signal for distinct events in 6009. those signals have amplitude no more then 3 Vpp.

I wnat to put these signal on 12 DC and retransmit as AO.

How to do this. I have only 6009 nothing else. 

[kaka-303]

I found way to do this.

I have used INA128 instrumentation amplifier with unity gain and provided 12VDC at Vref pin of IC. So now my signal has 12 DC bias.