It's part of why getting that big gantry to dance at almost a foot a second was a big test for me. I did spend a bunch of time reading and rereading those specs, because it seemed too good to be true. I'm comfortably in the middle of the range. The other G540 specs are up to 3.5A (almost perfect match), and up to 18-50VDC.
The G540 ( ) wants 2.5 to 3.5mH for "maximum wattage output", but remember that the limiting factor on this motor is the gearbox, anyway, and I'm awfully close to that spec on the half phase wiring. Coupled with a 24V toroid based power supply, I'm running at about 37 VDC (measured). Wired unipolar, you get 3A at 3VDC 1ohm 3.5mH (I actually wired half phase, but close enough). See above, the Oriental Motors PK296A2A-SG7.2 ( ) Look at the picture! It makes you feel good about using Gecko's. Short-circuit, motor disconnect, over/under voltage, reversed polarity, thermal protect.ĭB25 parallel port connector ported for Mach3ġ2 position 5mm removable terminal block misc I/O and powerĢ.4" by 5.7" panel mount cut-out needed, 1" deep (61mm by 145mm by 26mm)ġ.5" by 6" 4 mounting screw pattern, up to #6 screw size (38mm by 152mm)
dual full-bridge heatsinkable all n-channel TO-251AA power MOSFETs The new G540 contains 4 heatsinked G250s (also new) each I think this would actually drive a Mechmate with 4 PK296A1A-SG7.2 's Sort of small rack-mount, plug in your parallel port, plug in your drives, done! +power supply of course.
4 drives intergrated in 1 package for less than $300. Somehow Mariss managed to design and build a new Gecko in about 2 weeks. Did you guys follow the thread on cnc zone ?
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