On Mon, 23 Feb 2009, Lars Levin wrote: > Date: Mon, 23 Feb 2009 14:37:54 +0100 > From: Lars Levin <[email protected]> > Reply-To: "Enhanced Machine Controller (EMC)" > <[email protected]> > To: [email protected] > Subject: [Emc-users] Absolute encoders > > Hi Group! > > Is there any possibility for EMC to use absolute encoders, so instead of > homing at startup you load the actual > positions from the servodrives? > The drive documentation says: > "The NC-control system which is connected must have a SSI input and be > able to process SSI data in 25-bit format."
The HostMot2 firmware has a SSI option thats not quite finished yet, but I expect to have working firmware this week (We have a contract to support SSI so its a high priority) The HostMot2 driver support would need to be added, but SSI is so simple, it shouldn't be that big a deal. > > If this does not work, has anybody any suggestions on how to do homing > with 2 motors on one axis? > > It might be possible to use the internal homing function of the > servodrives, this requires a homing signal from EMC > and will respind "homed" on a separate signal. > Can the homing function in EMC be configured just to send a home signal > on one pin and receive a homed signal > on another pin, and then reset the coordinates? > > Best Regards! > Lars Levin > ------------------------------------------------------------------------------ > Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA > -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise > -Strategies to boost innovation and cut costs with open source participation > -Receive a $600 discount off the registration fee with the source code: SFAD > http://p.sf.net/sfu/XcvMzF8H > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > Peter Wallace Mesa Electronics (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination. ------------------------------------------------------------------------------ Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise -Strategies to boost innovation and cut costs with open source participation -Receive a $600 discount off the registration fee with the source code: SFAD http://p.sf.net/sfu/XcvMzF8H _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
