1. Do not share user accounts! Any account that is shared by another person will be blocked and closed. This means: we will close not only the account that is shared, but also the main account of the user who uses another person's account. We have the ability to detect account sharing, so please do not try to cheat the system. This action will take place on 04/18/2023. Read all forum rules.
    Dismiss Notice
  2. For downloading SimTools plugins you need a Download Package. Get it with virtual coins that you receive for forum activity or Buy Download Package - We have a zero Spam tolerance so read our forum rules first.

    Buy Now a Download Plan!
  3. Do not try to cheat our system and do not post an unnecessary amount of useless posts only to earn credits here. We have a zero spam tolerance policy and this will cause a ban of your user account. Otherwise we wish you a pleasant stay here! Read the forum rules
  4. We have a few rules which you need to read and accept before posting anything here! Following these rules will keep the forum clean and your stay pleasant. Do not follow these rules can lead to permanent exclusion from this website: Read the forum rules.
    Are you a company? Read our company rules
Shared accounts will be removed Plugin Downloads Zero spam policy Forum Rules

SMC - Are Motors Feedback 1 & 3 linked?

Discussion in 'SimTools compatible interfaces' started by Eli Wizard, Aug 7, 2024.

  1. Eli Wizard

    Eli Wizard New Member

    Joined:
    Jan 22, 2017
    Messages:
    12
    Location:
    Ottawa
    Balance:
    32Coins
    Ratings:
    +1 / 0 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino
    Hi All,

    I'm adding a third motor to my rig and in SMC while setting up M3 pot I'm getting additional feedback registering on the M1 axis. This does not happen when moving the M2 pot or when the M1 pot is moved does not affect the M3 axis. I've made sure that polarity is the same on all pots but I still get the same result. Is this normal or do I still have some connections to sort?
    Eli Wizard, Aug 7, 2024
    #1
  2. Gadget999

    Gadget999 Well-Known Member

    Joined:
    Dec 27, 2015
    Messages:
    1,945
    Location:
    London
    Balance:
    11,898Coins
    Ratings:
    +479 / 10 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino, 6DOF
    Check your wiring
    Gadget999, Aug 8, 2024
    #2
  3. Eli Wizard

    Eli Wizard New Member

    Joined:
    Jan 22, 2017
    Messages:
    12
    Location:
    Ottawa
    Balance:
    32Coins
    Ratings:
    +1 / 0 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino
    Capturefive.JPG I've torn all the connections apart and rebuilt twice, changed motor pins but always get the same result: movement on one specific pot(A) also registers (somewhat reduced) on another specific pot(B). There is no change on pot C. There is no change to pot A if pot B is moved.
    Check out the screenshot. What would be the cause of this?
    Eli Wizard, Aug 18, 2024
    #3
  4. Gadget999

    Gadget999 Well-Known Member

    Joined:
    Dec 27, 2015
    Messages:
    1,945
    Location:
    London
    Balance:
    11,898Coins
    Ratings:
    +479 / 10 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino, 6DOF
    Check which pin is programmed in the code
    Gadget999, Aug 18, 2024
    #4
  5. Eli Wizard

    Eli Wizard New Member

    Joined:
    Jan 22, 2017
    Messages:
    12
    Location:
    Ottawa
    Balance:
    32Coins
    Ratings:
    +1 / 0 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino
    Pin assignments are correct. I've even shuffled them and still get the same result in relation to the pots. Could wire gauge/length be a factor?
    Eli Wizard, Aug 18, 2024
    #5
  6. Gadget999

    Gadget999 Well-Known Member

    Joined:
    Dec 27, 2015
    Messages:
    1,945
    Location:
    London
    Balance:
    11,898Coins
    Ratings:
    +479 / 10 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino, 6DOF
    allocate to a new pin an check it works ok
    Gadget999, Aug 22, 2024
    #6
  7. Gadget999

    Gadget999 Well-Known Member

    Joined:
    Dec 27, 2015
    Messages:
    1,945
    Location:
    London
    Balance:
    11,898Coins
    Ratings:
    +479 / 10 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino, 6DOF
    what type of board - is it compatible ?
    Gadget999, Aug 22, 2024
    #7