Using the NI 9403 module as a source of tension for its own entries

I need to have certain diagnoses in a circuit that I build. I plan on the use of certain relays to throw a switch when certain events occur. This switch would be connected to a digital input NI 9403, as a way to detect the event.

To do this, I need power the switch itself, so he spends a tension that the NI 9403 module consider a digital camera 'high '.

Can I buy a power supply of 5V, but is expensive compared to what it should only do. I was wondering if it's permitted use / safe / sane... at one of the NI 9403 pins as a digital output and use it as a source of tension for switches? According to technical data sheets, I should be fine for power supply. I'm not sure if it's a decent way to do this.

My finished project requiring a current amplifier Board, I had to weld. So I decided that I might as well just add a voltage regulator to this Council and some resistance to simplify power. I never tried to use the NI 9403 module as a source of tension.

Tags: NI Hardware

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