is the power connector of 9642XT NI SBRIO J3 negative terminal internally connected to Terminal and mounting holes

I have a SBRIO system with an isolated supply

http://www.NI.com/PDF/manuals/375052c.PDF

It is said on page 15, all connections of Earth GND D AI, AO, connected internally to the earth terminal.

the negative terminal of the power of the J3 connector is also grounded internally?

I have a system mounted on a box aluminuim, which owns the land on the Earth, and also the supply, which is used to power the sbrio gives voltage isolated, but now if the negative terminal of the J3 connector has an internal connection with the holes and the spade of Earth, how can I use my isolated power supply with the negative terminal is not connected to the ground its main power supply the connection output not the soil Earth domain controller.

I can't open my system sbrio jury at that time to check directly.

can you please help if negative - ve terminal J3 power connector is connected internally to the ground lug and mounting holes.

Thank you

Hi Freemason.

I think I just you send an email in this regard, but to confirm, Yes, connector J3 is connected to earth ground in-house. You should still be able to use your power for the sbRIO.

Best,

Dan N

Technical sales engineer

National Instruments

Tags: NI Hardware

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