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Question Daisy Chain Server Driver (Prosimu Style)

Discussion in 'DIY Motion Simulator Building Q&A / FAQ' started by jmcguire58, Apr 27, 2020.

  1. jmcguire58

    jmcguire58 New Member

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    I've been reading up on the Thanos/PT-Actuator and SFX-100 systems and notice they all use AASD-15A servo drivers along with an interface board... Prosimu uses what look to be a newer version on the Delta drivers (ASD-A2-0721-M) which daisy chain via Ethernet (similar to D-Box) before making a single connection to the USB controller board.

    The way Prosimu has done this makes for a more "tidy" cabling solution, and I assume there are additional benefits to the driver they are using. I assume the small USB board (seen in the photo below) runs a proprietary firmware, again like D-Box with their KAI. I was curious if there is any open source way of controlling these drivers in the same manner or if Prosimu sells these as an accessory for DIY builders.

    Screenshot 2020-04-26 at 8.41.04 PM.png
    jmcguire58, Apr 27, 2020
    #1
  2. Thanos

    Thanos Building the Future one AC Servo at a time... or 6

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    My Motion Simulator:
    AC motor, Motion platform, 4DOF, 6DOF
    The small usb board they use is a simple USB to Can interface. There is nothing special about it. They just control the servo drives via software on the PC using this CAN bus (or Modbus) serial interface.

    I just wonder what would happen if the computer crashes for some reason while the rig left hanging in a weird position... i mean they don't mention anything about safety features ain't they?

    Thanos, Apr 27, 2020
    #2