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  1. #1
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    help with my siemens 1fs5044 servos!

    HI! I'm new here, and I need some help...
    I have a lathe, and I want to cnc it..., i bought 3 siemens 1fs5044 servos...
    those are 3 phase AC servos, 1.15Nm, 3000rpm, 200 volts 3/3.5amps.
    they have hall efect encoders (3 hall sensors as I saw...)
    I have no more data about them, just that I mentioned uphere.
    i need some hel with the servo drives, because some guy told me I have to use siemens drivers only, I was thinking on a DIY ACservo drive but I can't find anything like that on the Inet.
    do you have some idea what can i do with this 3 things here??¡
    finally... sorry about my terrible english, I have no too much practice really...

  2. #2
    Community Moderator Al_The_Man's Avatar
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    It depends on what system you intend integrating them into, and what type of servo control the intended controller uses, i.e. step/dir or ±10vdc analogue control and whether you need an intelligent drive with Dsp logic where the loop is closed back to the drive rather than the CNC control.
    For e.g. I use ±10vdc analogue non-intelligent drives and the servo loop is closed back to the CNC control, the drives examples are ADVANCED Motion Controls - servo drives and motor drivers with Advanced Motion Control
    BLDC motors with hall effect commutation are relatively easy to find drives for.
    Al.
    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.

  3. #3
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    I think this ones are BLAC, not DC... that's what I'm afraid about.
    I don't have the pc interface yet, i was thinking buy a pci card from GALIL or something like that...
    or a LPT breakout board for cheaper begining...
    I haver never done anything like this before, so I know nothing about what plan to go for!

  4. #4
    Community Moderator Al_The_Man's Avatar
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    Even if they are AC sinusoidal and just use the Hall effect for start up, you should be able to use them with a regular BLDC drive in BLDC mode, although BLAC are superior.
    Al.
    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.

  5. #5
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    well... here I am again...
    I have in my hands a toyoda ac brushless servo drive...
    it looks like if I fit a 8192p/r encoder it will work, but i need a software called MOwin5 to connect it to my notebook and set it up...
    somebody got it?

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