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IndustryArena Forum > Machine Controllers Software and Solutions > Dynomotion/Kflop/Kanalog > Do I need to buy Konnect Optical I/O Expansion Board?
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  1. #1

    Do I need to buy Konnect Optical I/O Expansion Board?

    Good day!

    I have 4 step motors, 1 stop buton, 8 end sensors, 4 pneumo relay for suction cups.

    I am going to buy 1) KFLOP, 2) KStep Microstepper Amplifier for KFLOP.

    Do I need to buy Konnect Optical I/O Expansion Board?, - as amplifier for KFLOP already has optoisolated inputs and outputs.

  2. #2
    Junior Member
    Join Date
    May 2006
    Posts
    3423

    Re: Do I need to buy Konnect Optical I/O Expansion Board?

    Hi RuslanRobot,

    KFLOP+KStep should cover all that except KStep only has 2 opto outputs. So you would be 2 short. You might add 2 additional opto isolated relays. Or some 3rd party relay driver board such as this. Or Konnect.
    TK
    http://dynomotion.com

  3. #3

    Re: Do I need to buy Konnect Optical I/O Expansion Board?

    I see the KStep Amplifier for KFLOP https://www.dynomotion.com/KStep.html

    It will drive 4 motors and emit heat.
    I don't understand - How to cool this board?
    Shold I buy radiator? - but I don't see the place to where it must be installed.

  4. #4
    Junior Member
    Join Date
    May 2006
    Posts
    3423

    Re: Do I need to buy Konnect Optical I/O Expansion Board?

    Hi RuslanRobot,

    KStep uses very efficient MOSFETS (17 milliohms) so very little heat is created and the Printed Circuit Board itself is a sufficient heat sink. However if enclosed in a box some airflow through the box should be provided.
    TK
    http://dynomotion.com

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