Is there a way to turn a labjack off.
Posted 25 October 2012 - 05:08 AM
Posted 25 October 2012 - 07:42 AM
Posted 31 October 2012 - 12:26 PM
Posted 01 November 2012 - 08:45 AM
1. Turn off VS terminals so they are not outputting 5 volts: That is not possible. Perhaps you can use the DAC outputs instead, as those you could set to 0 volts. Or you could use digital outputs to provide 3.3 volts.
2. Using some sort of O/S command in software, turn off the 5 volt supply (from USB) to the U6, thus powering down the entire U6. I don't know of a way to do this, but a quick google search makes it look like it might be possible.
Posted 24 September 2013 - 12:25 AM
You could also use one of the I/O channels to power a relay. Connect your module PS+ to the relay NO (normally open) and the LabJack VS+ to the COM (common terminal). Use High output to the I/O channel to close the relay and power your device. Set Low Output to the I/O channel to open relay and shut off your device. I use 4 of the DIO lines to do this with my equipment. I have the LabJack Power up equipment in a specific order. You can even feedback the NO terminal to another DIO (In) and confirm that power is going to your component (and that your relay contacts are OK - don't use SSR if you need the full +5V)
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