Re: rpindle run sensing

Subject: Re: rpindle run sensing
From: Jon Elson <elson-at-pico-systems.com>
Date: Thu, 21 Nov 2002 12:41:38 -0600
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Erie Patsellis wrote:

>Les, depending on your inverter, it may already output a signal.
>on my Precise controller it outputs 6hz/rev, run through a 55 with a
>short time constant and voila! spindle run indication....
>  
>
But, this doesn't verify that the spindle, itself, is actually turning. 
 Inverter failures, unplugged
motor, broken belt, or hi-low clutches in neutral will leave the spindle 
stopped while the
inverter control,merrily ticks away.

Jon

Follow-Ups:
- RE: rpindle run sensing
  - From: "Erie Patsellis" <signworks-at-mcleodusa.net>

References:
- RE: STG and Parallel Port
  - From: "Erie Patsellis" <signworks-at-mcleodusa.net>

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