Electronics Forum: universal instruments theta axis dc motor (Page 1 of 1)

Universal instruments corporation - TAB Bonder - Z Axis DAC limit error during Absolute command

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

Universal instruments corporation - TAB Bonder - Z Axis DAC limit error during Absolute command

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

Universal instruments corporation - TAB Bonder - Z Axis DAC limit error during Absolute command

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.

Universal GSM 2

Electronics Forum | Tue Oct 14 14:08:22 EDT 2014 | dilogic

No, each card in LP servo rack drives only one motor. But there is an servo cotnroller board (actually 3 of them) in the VME rack (where all computers are). Third one from the left(slot13) controls head2 theta and z axis. That might be a cause of you

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