Basic question: can I set the voltage value and type (AC/DC) of a digital output?

[AnalogKid2DigitalMan]

The ouptuts of the card are relays (switches) Whatever voltage you connect to the COM terminal will be passed to the NO (normally open) terminal when the ouput is commanded on. When commanded off, teh volatge is passed to the NC (normally closed) terminal. The relays are rated up to 150V (AC or DC) and can carry up to 2 Amps of current.
So if you hook up 7.8V to the COM, it will be passed along to the NC terminal when the output is OFF and then switch it over to the NO terminal when commanded ON. You do not have to use both the NO and NC, use the one that suits your application the best.
I thought I'd relay you a link to the spec sheet:
<a href="http://digital.ni.com/manuals.nsf/websearch/0D03F81B2EDEDFB5862570660066D260" target="_blank">http://digital.ni.com/manuals.nsf/websearch/0D03F81B2EDEDFB5862570660066D260</a>
And the manual:
<a href="http://digital.ni.com/manuals.nsf/websearch/54DE1448077BB2228625706D004EB0F9" target="_blank">http://digital.ni.com/manuals.nsf/websearch/54DE1448077BB2228625706D004EB0F9</a>

[AnalogKid2DigitalMan]

This is just wierd. Never used the 652x's and just learned of these products and their capabilities yesterday by responding to your post.
Today I need such a device for a project, and the 6520 fits the application to a 'T'. Forums in reverse at their best, Thanks dlgicu!:smileywink:
-AK2DM
Message Edited by AnalogKid2DigitalMan on 11-10-2006 08:25 AMMessage Edited by AnalogKid2DigitalMan on 11-10-2006 08:26 AM