RE: No Parallel Port

[Ray <rehenry-at-up.net>]

Phil

Yes sometimes steppermod will lock up or reboot when the first motion
command is issued.  I've found freqmod to be more stable.  It also requires
that you find a setting for Period and for PID that work for your system.

Good job with the led's on the parport and using the scripts.

Ray 


On Sat, 26 May 2001, you wrote:
> 
> If you are using steppermod you have to comment out the period setting or
> you will get lockups.
> 
> Tim
> [Denver,CO]
>   -----Original Message-----
>   From: emc-at-nist.gov [emc-at-nist.gov]On Behalf Of phil
>   Sent: Saturday, May 26, 2001 9:25 PM
>   To: Multiple recipients of list
>   Subject: No Parallel Port
> 
> 
>   OK looks as though I'm making progress (well sort of!)
> 
>   I hooked up LED's to my port as per Chris's suggested and sure enough I
> can make the LEDs light using the IO_Exercise script. I then tried to run
> EMC and after overriding the estop etc it locked up and rebooted the PC. I
> rechecked the INI file using the examples given in the handbook to overide
> the limit switches etc and tried rerunning EMC and this time it just locked
> the PC without rebooting. The lockup occurs when I try and use the arrow
> keys to jog the motors.
> 
>   I'm going to recheck the archive in the morning to see if this is a known
> issue.
> 
>   thanks Phil
> 

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