Signal Conditioning

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SCXI 1100 input protection

Can the SCXI 1100's inputs take an input of about 10 mA? (from a current source?). If a stimulator (a current source) were connected directly into one of its channels, would there be any physical damage caused to the SCXI 1100?

It doesn't matter if the SCXI shuts off the channel temporarily to protect itself, we just want to make sure that the board/channel itself will not be damaged. And also, is there any "saturation time" of some sort before we can re-use that channel to take regular level readings again?
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Hello,

Thank you for contacting National Instruments. Yes, the SCXI 1100 can handle a current input of 10 mA. The module is designed to be used for current inputs ranging from 0-20 mA or voltage inputs ranging from negative to positive 10 V.

This information, as well as other specifications for the SCXI 1100 can be found in the product manual for that device, located at:

SCXI 1100 User Manual
http://digital.ni.com/manuals.nsf/webAdvsearch/0790D3C92CF4B16E8625665E00712865?OpenDocument&vid=niwc&node=132100_US

The current input specification is mentioned in the "About This Manual" section.

Let me know if you have any additional questions on this issue.

Regards,
Scott R.
Applications Engineer
National Instruments
Scott Romine
Course Development Engineer
National Instruments
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