Emco PC Turn Turret

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29 Sep 2021 17:38 - 29 Sep 2021 17:39 #221845 by Jpotts13
Replied by Jpotts13 on topic Emco PC Turn Turret
Sorry meant 100 OHM 4watt
Last edit: 29 Sep 2021 17:39 by Jpotts13.

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10 Oct 2021 16:19 #222766 by The Feral Engineer
Hate that I'm so late to the game here, but I've got a perfectly working classicladder config for these machines i can send you if you still aren't having luck
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11 Aug 2022 19:59 - 14 Aug 2022 07:35 #249549 by Samuelx
Replied by Samuelx on topic Emco PC Turn Turret
I am trying also to make my turret move. Emco 50 pc turn.
I ask my friend that is good on electronics what to do. Because there is 5V and 24v involved. He say, that I only need 2 x opto (tlp 291) and to 2 x resistors (10k ohm)I think some other optos will work too, but this is what he had on home.So we use them.

So here is what you can do to change turret optosensor 5v signal to 24v signal.
  If you look at the picture where i hold board on hand. There is 3 leads that goes out from board:White lead goes to mesa board input 1Red wire goes to mesa board input 2black wire goes to mesa board input com 
The other wire with 10K ohm resistors:
yellow wire goes to mesa board input 1
another yellow wire goes to mesa board input 2
both yellow wires has 10K ohm resistor.
red wire goes to 24v power +  

I also draw opto pinout to picture
Pin 1 is connected to turret optosensor signal (there is 2 signal 1 for home and another signal for every tool)
Pin 2 is connected to turret optosensor (5v ground)
Pin 3 is connected to mesa board input com
Pin 4 is connected to mesa board input 
Pin5 is for controlling the board. when +24v is connected to this pin, turret motor starts move forward. When there is 0V motor is moving backwards.Hope this helps someone who want to use the orginal turret control board.  

Edit. Today I  tested this modification, its working great. 

 
Last edit: 14 Aug 2022 07:35 by Samuelx.

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