Logic Boards -- Suggested Logic I/O Layout for Printer1
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This is Greg's take on the logic wiring for the Home/Deenergize/Tension motors
using custom logic boards (green) mounted inside the printer (behind front panel)
that will interface the computer parallel ports to the rest of the printer.
RJ45 cables will be used (hopefully) for all runs from interface boards to components.
printer2-interface-boards.png
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printer2-interface-board-schematic.png
Printer1 Photos 07/31/2009 -- Currently In Production
Captions along bottom of each image describe the photo.
First 12 images are of the printer we computerized last year (currently production)
which I'm referring to as 'printer1'.
Below those are pictures of 'printer2', which is currently offline
and is the one we'll be working on next.
printer1-crydom-relays-leak-resistors-power-supplies.jpg
printer1-front-panel-computer-connections-rear.jpg
printer1-front-panel-lamp-meter-variac.jpg
printer1-front-panel-tension-pro-cam-power.jpg
printer1-front-panel-viewer-lamp-and-switch.jpg
printer1-home-sensor-typical.jpg
printer1-motor-drive-rear-and-shelf.jpg
printer1-pro-head-filter-wheel.jpg
Shown: Y/C/M/X color wheel with color filter and ND filter holders.
Rotating cap shutter at right between projector gate and camera lens.
printer1-proj-head-rear.jpg
Shown: projector motor (right) and filter wheel motor (left).
Note alignment arrows (white triangles) on surfaces for visual
verification of proper home positions when the system is at rest.
Note green "military connectors" used to allow disconnect/removal
of motors. I'd advise using different connectors, as the screw locks
on these are hard to properly verify.
printer1-side-panel-motor-drive-front.jpg
printer1-variacs-back.jpg
DPDT switch (right) is the back of the green "0/1" rocker switch
on the front panel that disconnects power to tension motors/variacs.
