stanfor9 Posted January 26 Share Posted January 26 It appears that my analog output channels have failed. I have attached a screenshot showing how they are neither correlated to their commanded state nor independent of each other. Wiring: AOUT0 - CH0H AOUT1 - CH1H AGND - CH0L AGND - CH1L Link to comment Share on other sites More sharing options...
0 Fausto Posted January 26 Share Posted January 26 Hello @stanfor9. What is the serial number of your USB-1808X; either from the label on the backside of the module or via InstaCal? Were the analog output channels working previously? If so, what changed? How are the analog output channels wired to the analog input channels? Please retest with only channels AI0 and AO0 listed in the (left-side) channel list. Regards, Fausto Link to comment Share on other sites More sharing options...
0 stanfor9 Posted January 26 Author Share Posted January 26 Serial number: 21514CF Yes, AO0 was working previously. I do not know what changed. Wiring direct as in my original post. Link to comment Share on other sites More sharing options...
0 Fausto Posted January 26 Share Posted January 26 Please confirm that the analog input channels are configured to differential mode, in DAQami. Also, please reconnect the wires from AOUT0 - CH0H and AGND - CH0L and verify the ends are secured at the screw terminals. Retest afterwards. Link to comment Share on other sites More sharing options...
0 stanfor9 Posted January 26 Author Share Posted January 26 channel mode confirmed as Differential. Wiring reconnected. No change. Link to comment Share on other sites More sharing options...
0 Fausto Posted January 26 Share Posted January 26 Thank you for verifying. The following screen capture is what should be expected for a +/- 10V input range. I will send you a private message for a RMA. Regards, Fausto Link to comment Share on other sites More sharing options...
Question
stanfor9
It appears that my analog output channels have failed. I have attached a screenshot showing how they are neither correlated to their commanded state nor independent of each other.
Wiring:
AOUT0 - CH0H
AOUT1 - CH1H
AGND - CH0L
AGND - CH1L
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