Are the COM Ports on my NI 9361 Connected Internally?

Updated May 3, 2018

Reported In

Hardware

  • NI-9361

Operating System

  • Windows

Issue Details

I am working with an NI 9361 that has common connections on it. Is everything that I connect to a COM pin tied together / connected internally?

Solution

As per the NI 9361 Datasheet, the COM pins for each channel are all connected. Since there is no channel-to-channel isolation, but rather channel-to-ground isolation, you can wire to COM as appropriate using the Getting Started Guide under the assumption that these all refer to the module common ground. 

NI 9361 Input Circuitry

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