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How to interface an sc-mbox v3?

Discussion in 'SimTools compatible interfaces' started by mario2a, May 29, 2022.

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  1. mario2a

    mario2a New Member

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    Hi everyone,
    after buying my stewart hexapod sold with its software, I find myself totally restricted in the configuration and I would therefore like to finally overcome this thanks to simtools, flypt (according to the first research I did ), after several unsuccessful attempts I turn to the community to understand where the problem comes from (if there is one) and understand a little better where I stand. First of all I would like to know if it is possible to interface an sc-mbox v3
    (http://www.syn-tron.com/index.php?m=content&c=index&a=show&catid=181&id=47&mid=85) with simtools or flypt if below

    It works with the ethernet port, I tried to understand the communication by reading the documentation (in Chinese, even using the translation not obvious to me...)
    and using wireshark for packet reading.
    I admit to being blocked when I have to enter information on simtools or flypt software.
    Can anyone help me out, or give me a clue?

    Thank you everyone

  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Unfortunately there is not a lot of options in jail-breaking the control systems of old rigs, as it is now often easier to just replace it with modern servo systems.

    Can you please post a translation of all the hardware used.
  3. Thanos

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

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    Unfortunately the Syntron MDBOX ethernet interface protocol is unknown. I made controller in the past to interface to these servos via the analog input 0-10v but it only had 4096 positions, the max available with the specialized DAC chips you could get at the time. It was discontinued in 2018...

    My suggestion, look on Aliexpress for AASD-15A servo drive with 80ST-M02430 servomotor kits to replace the MDBOX. The AASD-15A servos can be interfaced with the AMC-AASD15A motion controller plug and play with resolution 65535 positions scalled to the entire available stroke of the actuator...

    Thanos
    • Informative Informative x 1
  4. mario2a

    mario2a New Member

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    Hi.
    Thanks for your answers Thanos and Noorbeast
    Thanos, for me the bill is salty, I won't be able to invest more...
    Noorbeast servomotors are HS3035a from Syntron.
    The card is an sc-mbox v3 which communicates via ethernet udp with the PC.
    Currently the Dirt4, Projectcars1 and 2 games are working because configured by a technician from whom I have no news...
    I am aware that my request seems complicated but I really want to finally take control of this machine.
  5. Thanos

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

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    Can you post photos of the mbox and the HS servo drives? Something tell me your servo drives are separated and could be used directly with AMC-AASD15A via custom wiring...

    https://github.com/tronicgr/AMC-AASD15A-Firmware/tree/master/Syntron_HS_interface
  6. mario2a

    mario2a New Member

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    hello. Thank you for your quick response and the time you spend with me. I'm sorry for the late reply, I have a lot of work. I made you a diagram representing my installation because it is difficult to take pictures. all the elements are from the syntron brand, the links between pc and sc-mbox as well as between the sc-mbox and the HS-3035A are RJ45. finally it seems that the connections between the HS-3035A and the actuators are serial connections.

    Attached Files:

  7. Thanos

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

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    My Motion Simulator:
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    So the drives you have are the MDBOX 3in1 then, that have either CAN or Analog voltage positioning inputs only... sorry, there was a older generation controller for them (AMC-MDBOX) but is now impossible to build because of chip shortage...

    I was hoping you had the individual HS drives that have Pulse/DIR digital inputs, and would be easy to interface to the AMC-AASD15A controller, like on the video:

  8. Thaodang

    Thaodang New Member

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    Dear Thanos,
    You can share me MDBOX parameters meaning list file that you had in video? Thank you so much!
  9. Gadget999

    Gadget999 Well-Known Member

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    Can you install a serial / ethernet sniffer and study the data being transmsitted ?

    Then program a board to accept data from sim tools and translate to the format you need.

    I am working on a similar project
  10. Thaodang

    Thaodang New Member

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    Hi Gadget999,
    Thank you for your support. But, I want to have Syntron MDBOX parameters meaning list for turning Syntron servo motor such as: load inertial ratio, position control gain, position feed forward gain...? So, I hope that someone could help me? Thank you
  11. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    @Thanos is likely best positioned to answer, as he used to make a driver for the Syntron, but no longer does: https://www.xsimulator.net/community/threads/im-new-here-need-help-with-mdbox-amc.15913/#post-214024
  12. Thaodang

    Thaodang New Member

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    Thank you noorbeast,
    Actually, I don't have more information about all parameters description in MDBOX. I only have know some basic parameters. That is not enough that I can turn Syntron servo motor dynamic from MDBOX for new mechanical sketch. Until now, servo motor has quick motion vibration, not smoothly. So, I focus parameters that can modify dynamic model of motor in MDBOX.

    I hope that @Thanos and someone can give me parameter description or the way to make calibration parameters for motor motion smoothly?
  13. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    There has to be a suitable driver before it can be calibrated for smooth operation.
  14. Thanos

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

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    My Motion Simulator:
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    The reason my AMC-MDBOX controller was using high quality DACs for the signals... to prevent vibration motion from the noise. But these DAC chips are out of stock because of the chip shortage so it can be difficult to find solution...
  15. Thaodang

    Thaodang New Member

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    Dear,
    I am using MDBOX all in one ( driver in MDBOX). I would like to have all parameters description file in MDBOX for turning servo motor. I want to have file that description Fn, F1, F2,F3 control parameters and Dn,D1,D2,D3 status parameters as attachment sample file.

    If you have them, please send me.

    Attached Files:

  16. Thanos

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

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    My Motion Simulator:
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    I never tuned the servos, they come pre-tuned by the factory...

    Perhaps you might want completely reset the MDBOX to factory defaults:

    Fn 008=3721
    Fn 007= 1 and Fn 009=3
    F1 007= 3 and F1 009=1
    F2 007= 3 and F2 009=1
    F3 007= 3 and F3 009=1
  17. pmneo

    pmneo New Member

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    Hey Together, I can't get my MDBOX-NV4025ED up to running.

    I also have an AMC-MDBox v1.5 Controller.

    When Powering up, the MDBox is calibrating the Actors and going back.

    But the Analog Input is not being played :( The Status is "-ready" :(

    Have setup sim tools and measured the adc output, it is acting fine.

    Do I miss any steps to start the dbox for listening the analog inputs?

    I also checked the analog input read values of dn56, dn57, dn58 and dn59 ... they are updated very well to the movements in sim tools testing mode.

    Thank you very much

    Attached Files:

  18. pmneo

    pmneo New Member

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    I finaly got it working. The axis settings (fn009 has to be set negative -4 .... )
    • Like Like x 1
  19. pmneo

    pmneo New Member

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    My Motion Simulator:
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    Fn 008= 3721 Password (Power cycle to take effect)
    #Fn 009= -1 Enable only 1 Servo Motor
    #Fn 009= -2 Enable only 2 Servo Motors
    #Fn 009= -3 Enable only 3 Servo Motors
    Fn 009= -4 Enable all 4 Servo Motors
    Fn 0FF= 10 in ms, Filtering Analogue
    Fn 100= 10 in ms, Sampling
    Fn OC2=10 in mm, Lead Screw Calc (how much the rod advances for a full motor rotation)
    Fn 00D=5 in mm, Initial position after calibration

    Change S-ON (servo ON) input behavior
    Fn 090 -1 S-on enable
    Fn 091 1 stop behavior
    Fn 09D 1 Inversion of S-on

    With this settings, the mdbox now works like expected.
    • Like Like x 1
    • Informative Informative x 1
  20. MarkusxX

    MarkusxX New Member

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    What is wrong ? :(

    Attached Files: