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Advice Needed! Scn5 Power Supply, Plugs, Converter

Discussion in 'SimTools compatible interfaces' started by pitstopp, Jul 21, 2009.

  1. pitstopp

    pitstopp Active Member

    Joined:
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    My Motion Simulator:
    3DOF, SCN5, SimforceGT
    Hi,
    I want to buy the missing Stuff for my Project, are These Things correct?

    The Power Supply
    Mean Well S 100 F
    in the SCN5 Hardware Thread it is recommned by some Members.
    What about the SP 100 ? It has only 4,2 Amp, what will This mean :
    Built-in active PFC function, PF>0.93
    http://www.proconnecting.de/media/produ ... 297159.pdf

    What USB to RS 485 Converter to buy ?
    I have read the related Thread but most of Ebay Links are dead.
    What is the final Standing?
    Buy the cheap one on Ebay: PC USB auf RS232/RS485/TTL-UART Konverter-Adapter NEU sold by virtualvillage.de
    http://cgi.ebay.de/PC-USB-auf-RS232-RS4 ... 1|294%3A50
    or the expansive one from devantech
    I don´t want to slow down the SCN5 by cheap stuff and it has to be auto mode.

    What length of Cable ?
    USB 1,5m and short cable to SCN5?
    has this any effect?

    Where to get the SCN5 Plugs?
    Digikey wants 18 Euros Shipping!!!! Item cost are 0,75 Euro/each
    is there any other source?
    What width of Cable 1,5mm² is enough? This one I have in stock

    Best regards
    Kai
    What I bought until now!
    Is something missing?

    Attached Files:

    pitstopp, Jul 21, 2009
    #1
  2. bvillersjr

    bvillersjr Active Member

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    First let me say welcome to the X-Sim community.

    The power supply that you mentioned appears to be adequate. I recommend you allow yourself 2amps per actuator.

    The USB<-->RS485 adapter that you linked to has proven to be quite stable and an adequate performer IMHO.
    bvillersjr, Jul 21, 2009
    #2
  3. pitstopp

    pitstopp Active Member

    Joined:
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    My Motion Simulator:
    3DOF, SCN5, SimforceGT
    Hello Bernard,
    thank you very much for your quick answer.
    I have bought the Power supply right now, 4,5 amp will be enough for both actuators.
    I will order the converters soon.
    What about cable lenght, doesn`t matter this to function?

    BTW
    this are the correct Joints for the SCN5 Rod end
    SKF Part Nr.: SIKB 10 F /VZ 019 with Pitch M10X1,25
    but be aware they are very Expensive Listing Price is arround 45 € but I get them for less than the half !
    You have to deal hard with your Local Dealer.
    The other one on the Pic is with M10x1,5 standart pitch, for my bottom end. I use 30mm Bosch profiles where I can cut the Pitch in the middle hole.

    Regards
    Kai

    Attached Files:

    pitstopp, Jul 22, 2009
    #3
  4. RaceRay

    RaceRay Administrator Staff Member SimAxe Beta Tester

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    Self-employed | Web and application development
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    My Motion Simulator:
    2DOF, DC motor, SimAxe, SimforceGT
    Hi Kai,

    cheaper would it been that to buy default ball joints with M8 and than cut the needed fine pitch winding as Ego suggested one time.

    I use a cable length from converter to scn5 round about 4m and got no stability problems.
    I use the Hexin converters but your mentiones cheap ones should be as well.

    1,5mm² cable is goog enough for the converters as well as for the psu.

    Br
    René
    RaceRay, Jul 22, 2009
    #4
  5. pitstopp

    pitstopp Active Member

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    Hi Rene,

    In my opinion thats not so good for stability reasons to cut the fine pitch in normal pitch.
    With every turn you cut the old pitch away, after 6 turns there is nothing left. 6x 0,25 = 1,5mm.
    You need another 6 Turns to get another full Thread Turn.

    You can´t turn the joint 12 Turns on the Rod ,so you only have one Full Pitch and 5 Pitches who become smaller and smaller.
    Even if you use a counternut you won´t have the full strenght.

    It´s hard for me to explain these technical Things in english, but I hope it becomes clear what I mean.


    Best regards
    Kai
    pitstopp, Jul 22, 2009
    #5
  6. pitstopp

    pitstopp Active Member

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    My Motion Simulator:
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    Hi,

    so I bought the Power supply and the converters !
    Adapters for the Cardanjoint are on the way !

    One problem left: The connectors for the SCN5

    Is there anybody who wants to buy actuators and needs some Connectors too?
    So I would buy some more and we can share the shipping costs.

    Another question : What lenght of the actuator is recommended?
    Most Simulators work with the 100mm version?
    Is there any advantage to the 150mm version?

    Sorry for the bunch of questions but I won`t buy incorrect parts.

    Best regards
    Kai
    pitstopp, Jul 23, 2009
    #6
  7. bvillersjr

    bvillersjr Active Member

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    I have tested with both 100mm and 150mm actuators. There is a definite advantage to the 150mm actuators if you weigh less than 220lbs. If you weigh more than that, then I suggest the 100mm actuators because they will not move your weight as far off of the center of the pivot point, which creates less actuator strain.
    bvillersjr, Jul 24, 2009
    #7
  8. pitstopp

    pitstopp Active Member

    Joined:
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    My Motion Simulator:
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    Hallo Bernard,

    Am I right, with the 150mm you beacame more motion and a better realistic feeling?
    But the strain will increase with the weigh you move out of balance?

    I have to choose the 100mm cause my platform has 37 kg and I have 76............

    OK I will take a look for the $ currancy and ask my Finance CEO before I place an order at Mirai.

    Thank you for your patience
    Best regards
    Kai
    pitstopp, Jul 24, 2009
    #8
  9. bvillersjr

    bvillersjr Active Member

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    That is correct. The 150mm produce a more realistic feeling. However, they are able to lean your body weight further away from the center of the pivot point, which causes increased load. Therefore, I recommend no more than a 220lbs occupant.
    bvillersjr, Jul 24, 2009
    #9