Hi Mark I suspect that this is a 3 volt parport. One recommended procedure is to use a powered breakout board. You could also use a PCI parport card that produces a 5 volt signal.
Rayh On Thu, 2007-12-06 at 13:43 -0800, Mark Jackson wrote: > Thanks for the link. > > Yeah that's right. Pin 13 is input. It is used for the z limit > switch. > > For some reason the pin is showing 2.44 volts. > > The controller needs to see 5 volts to tell it things are a go. > > At 2.44 volts the z motor won't do anything. > > I have tried momentarily giving it a 5 volt charge and then it works > until the limit switch is closed. > > I could just remove the limit switch. But it still needs to have that > 5V initially. > > I was thinking there might be a way to make pin 13 an output pin. > > 'Not sure what to do here. > > -MJ > > > > > > Jeff Epler <[EMAIL PROTECTED]> wrote: > You can make an output pin HIGH all the time by using "setp" > in your hal > file: > setp parport.0.pin-MM-out 1 > ^^ replace MM with the pin number > > However, parport pin 13 is an input to the PC, not an output > (see > > http://linuxcnc.org/docs/2.2/html/hal_drivers.html#fig:Parport-block-diag) EMC > cannot set this pin to HIGH or LOW. > > Jeff > > > ------------------------------------------------------------------------- > SF.Net email is sponsored by: > Check out the new SourceForge.net Marketplace. > It's the best place to buy or sell services for > just about anything Open Source. > http://sourceforge.net/services/buy/index.php > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > > ------------------------------------------------------------------------- > SF.Net email is sponsored by: > Check out the new SourceForge.net Marketplace. > It's the best place to buy or sell services for > just about anything Open Source. > http://sourceforge.net/services/buy/index.php > _______________________________________________ Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------- SF.Net email is sponsored by: Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
