Re: [CAD_CAM_EDM_DRO] Re: Limit Switch Installation
Posted by
Jon Elson
on 2000-11-15 23:15:45 UTC
jmw@... wrote:
in a couple of milliseconds and cause an E-stop. If the DACs get
sent a sudden full-throttle command, the servo amps will get an
overcurrent and trip offline, causing an E-stop, too. If the
following error gets too big, it will cause an E-stop.
I have the E-stop set up to disconnect the DC power supply from the
servo amps, and connect an energy dump resistor to the amps, to
rapidly decelerate the motors.
There are manual E-stop buttons, too.
Jon
> OK--but what happens if EMC decides pi is a rational number?If things go really bad, the watchdog on the STG card will timeout
in a couple of milliseconds and cause an E-stop. If the DACs get
sent a sudden full-throttle command, the servo amps will get an
overcurrent and trip offline, causing an E-stop, too. If the
following error gets too big, it will cause an E-stop.
I have the E-stop set up to disconnect the DC power supply from the
servo amps, and connect an energy dump resistor to the amps, to
rapidly decelerate the motors.
There are manual E-stop buttons, too.
Jon
Discussion Thread
jmw@c...
2000-11-15 14:56:31 UTC
Limit Switch Installation
Wally K
2000-11-15 15:37:09 UTC
Re: Limit Switch Installation
Jon Elson
2000-11-15 15:43:56 UTC
Re: [CAD_CAM_EDM_DRO] Limit Switch Installation
jmw@c...
2000-11-15 15:44:04 UTC
Re: Limit Switch Installation
Alan Marconett KM6VV
2000-11-15 15:51:32 UTC
Re: [CAD_CAM_EDM_DRO] Limit Switch Installation
Wally K
2000-11-15 17:53:28 UTC
Re: Limit Switch Installation
Jon Elson
2000-11-15 23:15:45 UTC
Re: [CAD_CAM_EDM_DRO] Re: Limit Switch Installation