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SMC3 (mechanical limits and limit switches)

Discussion in 'SimTools compatible interfaces' started by motiondynamics, Jun 10, 2021.

  1. motiondynamics

    motiondynamics Member Gold Contributor

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, AC motor, SimAxe, Arduino, Motion platform, 6DOF
    I have a question:

    Do the limits to be transmitted to the EEprom from "SMC3 Utility" replace the mechanical limit switches? Or is it still necessary to use the mechanical limit switches? I ask you because I have to replace my gearmotors with electric actuators.
    Last edited: Jun 10, 2021
  2. MarkusB

    MarkusB Well-Known Member Gold Contributor

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    I can only comment on your first question.

    With a perfectly working and configured system, the SMC3 limits should never be reached, because SimTools should stop the motors earlier due to the axis limits configured in Game Engine.
    If for some reason the SimTools limits are too high, the SMC3 limits should stop the motors for protecting the rig from damage.
    In this case you need to manually reposition the motors before you can switch them on again in SMC3 Utils.

    So far the theory. However, I already had the case that one of the motors did not stop, probably because the connection between potentiometer and motor was lost. In this case neither SimTools nor SMC3 can do anything, and the only real protection would be real limit switches.
  3. motiondynamics

    motiondynamics Member Gold Contributor

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, AC motor, SimAxe, Arduino, Motion platform, 6DOF
    Hi MarkusB, thank you for your quick reply.
    I have already deleted the 2nd question in order to avoid cross-posting (choice of DAC 8bit or 10bit?).

    Can you tell me which is the most appropriate section of the Forum to obtain this fundamental answer for my project?
    Or tell me who I can contact (user), perhaps an expert on the subject.
    Thank you
  4. MarkusB

    MarkusB Well-Known Member Gold Contributor

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino, Motion platform
    The section is ok, I guess. And maybe @BlazinH could know the answer to the deleted question.

    By the way, you have deleted the second question, but the title of this thread still refers to it. :)