Electronics Forum | Mon Sep 30 16:36:00 EDT 2013 | richardconnell
I have a Universal Instruments Corporation TAB Bonder. Oldish machine. Initial fault on machine : - "Axis Head 1 Z DAC Limit error during move absolute command" Other fault seen after we reset power, Zeroed axis etc. - Axis Head 1 - Z error not re
Electronics Forum | Tue Oct 01 18:44:24 EDT 2013 | richardconnell
Hi, I have limited capability on the Z axis. The axis will home to the mechanical switch limit and then drop to a point which I asssume to be the fiorst zero point below the mechanical switch limit. Then it gives the error. There is power to the mo
Electronics Forum | Tue Oct 01 17:56:10 EDT 2013 | swag
I'd take a look at the power supply for the failed axis and see if it's still working. I've also seen encoders fail on motors but it's rare in my experience. Usually it's a power issue.
Electronics Forum | Sun Mar 04 01:56:37 EST 2012 | eadthem
What we have had recently is a lot of larger thin (32 thou) thickness boards that have had issues with SC90 diodes bouncing off the pads in the final PNP machine. Our setup, universal instruments GC120 or quad beam 30 spindle lightning heads. This m
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