Manual control of MC-2100 treadmill motor controller? - Page 2


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Thread: Manual control of MC-2100 treadmill motor controller?

  1. #13
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    Sorry for the resurrection, but I've been working on setting up an MC-2100 control board for my old manual lathe. In the process, I goofed and shorted a couple of the input wires together last night, and smoked the R2 resistor. I'd like to replace it, but can't read the color bands any more cause they're all black... Any chance one of you guys could take a look and tell me the proper value? Thanks in advance!!

    Here's the resistor I'm talking about:

    Link



  2. #14
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    Default Re: Manual control of MC-2100 treadmill motor controller?

    I have a MC-2100 and treadmill motor that I'd like to use on my milling machine.

    Is anyone willing to sell one of these PWM circuits or do you know where I could purchase one ready to use?



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    Default Re: Manual control of MC-2100

    Quote Originally Posted by dan4307 View Post
    Hi all. New to the forum and am not an electronics expert. I found the info on this thread very helpful in working through a solution for using the MC-2100 controller board with a treadmill motor. The only thing missing from what I can tell was the need to set a static frequency of the modulated square wave being sent by the 555 timer. Attached is the circuit I used to finally get by Mc-2100 controller board working without the original treadmill console.

    I used a 556 dual-timer. The first half of the timer circuit set the frequency. You can tell you have success when the MC-2100 controller board begins to flash. My understanding is that the board will not recognize the signal until the frequency is set correctly. So if the LED is not flashing, the controller is not going to work.

    the second half of the dual timer modulates the duty cycle or width of the pulse (as shown earlier in this thread).

    Again - I would not even classify myself as a strong electronic hobbyist. So I welcome any modifications, corrections, or suggestions.

    I just wanted to share what worked for me.
    Hi.. I built this circuit but cant seem to get it to work right. It pulses until c1 is charged then stops. if I pull out c1 and hold the leads together to discharge it then put it back in it pulses againg until c1 is charged again. I've checked my wiring several times and can't find anything wrong with it... Any suggestions?



  4. #16
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    Default Re: Manual control of MC-2100 treadmill motor controller?

    I have a acquired a MC2100 for experimenting with a 8pin Picmicro to drive it.
    Can anyone confirm if it runs without the rpm sensor, If not can anyone shed light on the resolution and nature of the tach.
    Al.

    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.


  5. #17
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    Default Re: Manual control of MC-2100 treadmill motor controller?

    Not quite finished the pic version but evidently the MC2100 uses a L.F. 20 Hz PWM command, there is some circuits out there, I just want to keep the component count down using the pic.
    Those in the link are generally to high a PWM freq.
    Al.

    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.


  6. #18
    Community Moderator Al_The_Man's Avatar
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    Default Re: Manual control of MC-2100 treadmill motor controller?

    Completed the 8 pin Picmicro version for the MC2100 , Two P.B. implemented for Start and Stop, a start will run the motor wherever the pot is set to.
    PCBway made up the circuits boards for me.
    Al.

    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.


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Manual control of MC-2100 treadmill motor controller?

Manual control of MC-2100 treadmill motor controller?