PXI-6527 digital i/o ports does not

I couldn't get my two PXI-6527 work.

In MAX, my devices are recognized, they pass the self test, and I can set high or low output on a specific port and a line on the PXI-6527 using the test Panel. When I take a measure to that line, say-5,7 to + 5.7 (port 5, line 7), I do not read any voltage. I tried the same thing by using one of the digital outputs LabView examples, without a bit of luck. I tried several different ports and lines on maps two PXI-6527.

When I measure the PIN "GND" to the "+ 5V" pine, I read 5V on my multimeter.

I have several other DAQ with e/s digital equipment on them (PXI-6025E, PXI-6704, PXI-6221), and I managed to create on the digital I/o output voltages.

Y at - it something that I do bring my digital output signals to PXI-6527 maps.

Hey Jake,

The output of a device 6527 channels are static relays with a LED and two MOSFETS connected together to form a two-way switch. The output channels will not output a TTL 5 V signal without providing an external source. Using the V + 5 of unit 6527 line allows you to use it as a TTL level with power not isolated output device. See sections 3-10, 3-11 6527 user manual as a reference for the above information.

Thanks for choosing National instruments.

Kind regards

Glenn

Technical sales engineer

National Instruments

Tags: NI Hardware

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