what current can run off a USB - 6009 DIO? (part 2)

Hello

I think I've exhausted the search options before posting this question that someone asked before:

http://forums.NI.com/NI/board/message?board.ID=250&message.ID=20558&query.ID=168227#M20558

The response argues that, as long as you're under tension plug (5V input) then the port should be able to get off the current.  If this is true then maybe I'm doing something wrong:

I use a DIO port on the 6009 to drive the door on a module (SPCM-AQRH-13) APD low.  The door of the module connected internally to 5V with a power draw 50 ohm resistance, so in order to disable the module, you must set 100mA pushing the door with a low ttl signal.  I did not using the 6009 to do this, and I think it's because the DIO port cannot go down this 100mA.

What current can sink 6009? apparently it can supply 8mA.

Thank you for your time and I apologize if this has been answered somewhere else

Aaron

You can probably use a transistor and a few resistors to provide a player sink higher ODA.

-AK2DM

Tags: NI Hardware

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