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-   -   Problem with Robot Status Light (http://www.chiefdelphi.com/forums/showthread.php?t=130896)

Al Skierkiewicz 28-10-2014 08:32

Re: Problem with Robot Status Light
 
Once you move the Crio modules into the right slots, (analog in slot one and digital in slot two)...
The LED for the RSL that is on the DSC is in parallel with with the connector. Try removing the RSL connector on the DSC and see if the LED comes on. It is possible that you have a wiring error going to the RSL or the RSL has shorted.

protoserge 28-10-2014 09:10

Re: Problem with Robot Status Light
 
Quote:

Originally Posted by Alan Anderson (Post 1406112)
Or something could be wrong the 37-pin cable. Or the cRIO image. Or the cRIO 24v power. Or the cRIO hardware itself. Or, as we've pretty clearly identified in this case, the placement of the DIO module in the cRIO.

That's a good point, Alan. One thing we should all remember when troubleshooting is that the source of a failure or fault may not be the root cause. When isolating an issue, look at the component and its upstream mechanical and electrical path and continue troubleshooting on every component until the source of the fault is found.

Just last weekend at GirlPOWER, we had a drive issue where the robot was veering to the right. We looked for signs of mechanical interference/dragging and found 2/3 CIMs to be hotter on the right side. We then traced the wiring and found a poorly crimped connection on a motor controller. At this time, we inspected all of the other motor controllers and found one more wire which was poorly crimped (always pull-test!).


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