Re: [CAD_CAM_EDM_DRO] 12 Volt Encoders & G320

Chris,
Use a 12V external supply, and measure the output on A and B. They must be
5V.
I have used some encoders in that configuration with G320 and works OK.
Zsig is a index signal(1 pulse / rotation).
Sorin

----- Original Message -----
From: "chind73" <chris.hind@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Thursday, December 01, 2005 6:13 AM
Subject: [CAD_CAM_EDM_DRO] 12 Volt Encoders & G320


> Hello,
>
> I have been lurking here for a while and now have few questions to
> ask of those that may have done this before. I am building a small
> CNC and have acquired and X Y and Z axis that came with servos. They
> are rated 80 watts 32 volt, 3.3A, 3000 RPM, 2.6 kg-cm, the brand is
> Hirata.The encoders on the servos are 1000 pulses per rev (Brand =
> Daito Mfg) and have the following labels for the wires, : DC+12V,
> GND, A SIG, A GND, B SIG, B GND, Z SIG, Z GND. I plan to use
> the Mach software and I am considering the use of the Campbell
> Designs Combo break out board. I am hoping to use the Gecko G320 for
> these servos but am concerned if these 12V Encoders can be made to
> interface to the driver. If I used an external power supply for the
> encoders and opto isolated the encoder outputs so it is 5V into the
> G320 would this work? or would this add any lag or noise? The last
> question is what do I do with Z sig on the encoder?
>
> Thanks in advance to everyone that give this a thought.
>
> Chris
> Tottenham, Ontario, Canada
>
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