Re: [CAD_CAM_EDM_DRO] Jon E. EMC for both stepper and servo

Jon - have you set pricing on this board yet? Have a link with more info?

Thanks,

Matta

-----Original Message-----
From: Jon Elson <elson@...>
To: CAD_CAM_EDM_DRO@yahoogroups.com <CAD_CAM_EDM_DRO@yahoogroups.com>
Date: Tuesday, February 12, 2002 1:24 AM
Subject: Re: [CAD_CAM_EDM_DRO] Jon E. EMC for both stepper and servo

>studleylee wrote:
>
>> Hi Jon,
>> I know this probably has been discussed, but I thought EMC had
>> modules something like:
>>
>> Steppermod(..?.) for steppers
>> Freqmod(..?.) for servo's. (<-this guess I bet is wrong...)
>
>You are getting warm. But ...
>
>Steppermod.o is the module for simple stepper pulse generation.
>
>Freqmod.o is a more sophisticated version that tries to get more accurate
> pulse timing, but needs a lot more powerful CPU.
>
>STGmod.o is for servo systems that use the Servo-to-Go card. There are
>several versions of this for the original 4 and 8 axis STG cards, and
>another
>one for the STG-II card. Encoder counters, Servo DACs and sensing
>of limit and home switches are done through this card.
>
>The later EMC BDI CDs should have ppmcmod.o, which supports my
>4-channel Parallel Port Motion Control cards. There is one card for
>encoder counter, one for DAC (16 bits) and now one for Digital I/O.
>ppmc8mod.o supports 8 full motion axes. (You could use an extra
>axis for spindle speed control.)
>
>I have a new module, ppmc_rate.o, which drives a 4-axis step rate
>generator that relieves the CPU of the duty of generating finely adjustable
>step rates, and can generate step pulses with a resolution of 100 nS.
>This will get the maximum performance out of stepper drivers that
>will lose steps with more ragged step pulses. It can run open-loop,
>or use encoders on the motors. This board also has 16 opto-isolated
>digital inputs, and place for 8 solid state relays. I will be

demonstrating

>
>this board at the NAMES show in the Detroit area on Apr. 27-28.
>
>Jon
>
>
>Addresses:
>FAQ: http://www.ktmarketing.com/faq.html
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