I'm planning on building a machine that uses parts from a umax powerlook
III. The idea is to use the scan head and control board and throw away
the rest so that we can have a device with a moving table and a
stationary scan head. The xy-table is going to be driven by a motion
controller that is capable of considerably higer accuracy than the
typical scanner internals. My plan is to have the motion controller
reading the signals that usually drive the stepper motor and sending
appropriate signals to the table to duplicate the expected motion. It
will also be necessary to take over the end position sensor. I'm just
starting to go through the code now with the aim of figuring out how
much of the calibration and homing is controlled by the PC and how much
is controlled by the embedded firmware.
I'd appreciate any advice that people can offer on this kind of thing.
-- Richard Beare, CSIRO Mathematical & Information Sciences Locked Bag 17, North Ryde, NSW 1670, Australia Phone: +61-2-93253221 (GMT+~10hrs) Fax: +61-2-93253200
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