On Sun, 18 Aug 2013, Stuart Stevenson wrote:
> Date: Sun, 18 Aug 2013 20:37:54 -0500
> From: Stuart Stevenson <[email protected]>
> Reply-To: "Enhanced Machine Controller (EMC)"
> <[email protected]>
> To: "Enhanced Machine Controller (EMC)" <[email protected]>,
> Kim Kirwan <[email protected]>
> Subject: Re: [Emc-users] [Emc-developers] cinci control
>
> Sweet - thanks Peter
> Kim Kirwan used one of the mills here to do some testing on the interface
> and is building a breakout device.
>
> Kim,
> Work with Peter to ferret this out. :)
>
> thanks
>
>
>
> On Sun, Aug 18, 2013 at 6:15 PM, Peter C. Wallace <[email protected]> wrote:
>
>> On Thu, 25 Jul 2013, Peter C. Wallace wrote:
>>
>> I managed to pick up a IBA (the RS-422 --> Interface Bus Adapter:
>> 3-531-4370A)
>> cheap on EBAY and will at least take a look at it
>>
Well It turns out that the 3-531-4370 IBA is not a serially interfaced device
but rather a parallel bus adapter (decoding,latching,buffering), so no real
protocol, but just a simple parallel bus.
The basic I/O cards (DCI,DCO,ACI,ACO) appear to be 1 bit data devices (a bit
address reads/writes a single bit from/to the card). I expect fancier cards
(Analog out etc) use a 8 bit data bus.
Once the signals are determined, it would probably be pretty easy to simulate
the bus with some parallel I/O.
So do your racks have a 3-531-4370(A,B,C) bus adapter?
Peter Wallace
Mesa Electronics
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