I want to know how connect the wires (like output) in the digital channels of a USB-TEMP-AI card.
Do I need to connect any wire in ground screw, or only connect one extreme of the wire to the DIO channel and the othe extreme to the device that I need to
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68 months ago
JJGB
University of Cádiz, Science Faculty. Physical Chemistry Department. Spain
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I have used a Viasala HMP 60 Digital Humidity and Temp Probe with this device and the usual way I would hook up is only one digital output wire per channel and the common ground wire goes to a ground screw. I am not quite sure about your device, but my device had 5 wires.
63 months ago
Chefdjmouse
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Looking at the USB-TC-AI’s electrical specs for its digital I/O channels, note that they are CMOS. For output, they can only drive 2.5 mA, with a logic high being as low as 3.8V, and an output low being as high as 0.7V. You’ll need to review the specs of the device you wish to control, to see if there is compatibility. Generally you will need to run both the high and low wire, since the digital I/O bits on the USB-TC-AI may not have a ground reference, since the unit is isolated 500V from the PC’s ground.
68 months ago
MeasurementComputing
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