Operator Control Panel

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occustoms
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Operator Control Panel

Post by occustoms »

Have some questions on how it works i see in the wiring diagram its using 4 wires for the e-stop circuit. Looks like its using the remaining 6 wires to control all the other buttons on the panel. My question how are the other 6 wires corresponding to the buttons the control panel?

Reason for asking is im building a custom pendant for my machine and want to use some the same functions like feed hold, cycle start, etc. (trying to mimic the factory panel layout). Just need to know what i have to do to get correct signals on those wires to work the same.
cncsnw
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Re: Operator Control Panel

Post by cncsnw »

The six wires that connect to the jog panel board are for 5V power (plus and minus), data in (differential pair) and data out (differential pair). The microprocessor on the jog panel board encodes keypresses, and decodes LED requests, using a serial protocol that it shares with the MPU11/Oak/Allin1DC processor.

So in short, you cannot do what you want to do, the way you suggest doing it.

The path of least resistance is to use a PLC I/O expansion board (PLCADD1616 or PLCADD6464).

A less practical solution would be to use the processor board from a Centroid pendant, and build your own front-side board. All of the key contacts and LED contacts do connect via discrete pins in the two 2-row connectors that join the Centroid keypad to the jog panel processor board.

An even less practical solution would be to reverse-engineer the serial protocol and all of the relevant message packets....
occustoms
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Re: Operator Control Panel

Post by occustoms »

So i couldnt just use the 5v plus and minus for singals, i dont want led stuff. If i understand what your saying correctly its using plus or minus 5v in pairs on certain wires to enable a function like feed hold. If this is the case its kinda like a binary pattern? that is doable as im just using switches and not led panel or push button panel.
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Re: Operator Control Panel

Post by tblough »

Nope. The 6 wires are for didital communications, not discrete switch signals. As Marc mentioned, the easiest way is to use inputs and custom PLC codecto do what you want.
Cheers,

Tom
Confidence is the feeling you have before you fully understand the situation.
I have CDO. It's like OCD, but the letters are where they should be.
occustoms
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Re: Operator Control Panel

Post by occustoms »

ok, looks like thats what im going to have to do then. Thanks.
Newarkprecision
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Re: Operator Control Panel

Post by Newarkprecision »

Here is my custom operator panel on ACORN
Attachments
20210630_132929.jpg
Newarkprecision
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Re: Operator Control Panel

Post by Newarkprecision »

Custom ACORN control panel
polaraligned
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Re: Operator Control Panel

Post by polaraligned »

A little late for the original poster, but I purchased just the pendant circuit board only from Centroid for a reasonable price. I then spent some time mapping out the keys. They are in a matrix as is typical of a keyboard and the microprocessor just scans them looking for key presses. I wired a header to the board keypad connector and ran the wires to my keys. The microprocessor sends the key presses via serial buss to the MPU11. This has worked flawlessly for 10 years.

Image
JasonPORC
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Re: Operator Control Panel

Post by JasonPORC »

Newarkprecision wrote: Sun Jul 11, 2021 9:51 pm Here is my custom operator panel on ACORN
Wow! That’s beautiful!!! 👍🏾👍🏾
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