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HPC LS3020 connections - July 2012 » History » Version 9

Anonymous, 2012-07-16 17:19

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h1. HPC LS3020 connections - July 2012
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{{>toc}}
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h2. Wiring diagram
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Here is a schematic diagram of how everything should be wired up (from the "forum":/boards/1/topics/26):
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!LaOS-wiring.jpg!
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This is without PWM connected.
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h2. Laser ON cable
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The laser-on cable, as it comes shipped with the laser cutter needs to have one wire switched over, from this:
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!DSC_3499.jpg! ... to this: !DSC_3500.jpg!
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It then plugs into the mainboard like this: !laser-on.png!
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h2. Y stepper cable
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The Y stepper cable (with a 4-pin JST connector on the end) may be too short to reach the proper socket on the [[LAOS mainboard v0.3]] - this can be solved by manually splicing some extra wires, to extend it by about 15 cm:
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!DSC_3647.jpg!
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h2. Stepper driver orientation
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Be *very* careful how you place the stepper drivers on the mainboard. Mistakes can blow up both the stepper driver _and_ the mbed controller!
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Here is the proper orientation for the purple "StepStick" drivers, with heatsinks mounted on top of the A3984 driver IC's:
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!stepstick.png!