Power poll - what type of power do you have in your "shop"?


View Poll Results: What is your shop power?

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  • 90-120v single phase

    6 15.79%
  • 190-240v single phase low current (under 40 amps)

    14 36.84%
  • 190-240v single phase high current (over 40 amps)

    12 31.58%
  • 3 phase (any voltage)

    6 15.79%
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Thread: Power poll - what type of power do you have in your "shop"?

  1. #1
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    Default Power poll - what type of power do you have in your "shop"?

    Hullo there.

    This is just a simple poll to figure out what type of power people have. the reason is that as machines get bigger, most of the options go from 110v, to 220v single phase, then to 3 phase (220v or 400v).

    ive been talking with siemens about their controls, and some are paired exclusively to their drives. all siemens drives are 400v 3 phase input. the prices are very good, but it would be a big stumbling block if most of the customers could not use them. not all their controls are restricted to their drives, but it happens that the one best suited to a small router is

    sooo.. lets see how big an issue this is? if you have a small router, or plan on buy one (of any brand, not just xzero), what do you have for power?

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    Default Re: Power poll - what type of power do you have in your "shop"?

    I installed 220 outlets in my garage for the beast.



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    Default Re: Power poll - what type of power do you have in your "shop"?

    but you didn't fill in the poll...

    :P



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    Default Re: Power poll - what type of power do you have in your "shop"?

    Opps!



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    Default Re: Power poll - what type of power do you have in your "shop"?

    I actually have 480 single phase if you count my step-up transformer that I use to run 480v input drives on the lathe and mill



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    Default Re: Power poll - what type of power do you have in your "shop"?

    Quote Originally Posted by PJRitz View Post
    I actually have 480 single phase if you count my step-up transformer that I use to run 480v input drives on the lathe and mill
    ah, interesting. unfortunately doesn't help with 3 phase drives. youd still not be able to use them.

    regular vfd's can often handle 2 phases if you derate them, but I don't think the ac servos will like it. ill be asking the siemens rep next time I talk to him.



  7. #7
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    Default Re: Power poll - what type of power do you have in your "shop"?

    3 Phase VFD's and drives all use a DC supply, internal or external, the 3 phase just makes it more efficient due to the low % ripple that requires smoothing . <30% for 3ph compared to 100% for single phase.
    Drive manuf that I use such as A-M-C make 3 ph servo drives for motors that are around the 40 amp continuous rating figure. Anything lower 1ph can handle.
    Al.

    CNC, Mechatronics Integration and Custom Machine Design

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


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    Default Re: Power poll - what type of power do you have in your "shop"?

    Quote Originally Posted by Al_The_Man View Post
    3 Phase VFD's and drives all use a DC supply, internal or external, the 3 phase just makes it more efficient due to the low % ripple that requires smoothing . <30% for 3ph compared to 100% for single phase.
    Drive manuf that I use such as A-M-C make 3 ph servo drives for motors that are around the 40 amp continuous rating figure. Anything lower 1ph can handle.
    Al.
    in this case, I need to go by what siemens says is allowed to make sure warranty stays intact. they have a really great service warranty, which is another reason id like to use them. nowhere in their documentation does it say single phase is allowed, or voltages below 380 (these are only 400w and 750w motors and drives).

    I know if you use yaskawa for example, if you run 220 single instead of 3 phase, you just get a lower top speed since you get a lower dc bus voltage (and lower still on 110v). that would be fine if the same principle applies to the siemens. these are their V70/V90 drives if you wanna look yourself.

    on their VFDs they have lots of single phase options. just not on their servos from some reason. their high end servos use an external supply, but those are a whole different price category. $$$$$



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    Default Re: Power poll - what type of power do you have in your "shop"?

    what series of siemens drives are you looking at? at 400/750 watt there should be low voltage drives...

    edit: here you go low voltage drives

    SINAMICS V60 Basic Servo Drive System - Low-voltage converters - Siemens



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    Default Re: Power poll - what type of power do you have in your "shop"?

    siemens makes only a handful of single phase 220v drives and motors for their higher end controls. the low cost stuff is all 3 phase.

    the 808d advanced uses v70 and v90 drives. 3 phase 400v only.
    the 828d basic supports the s120 combi, which is only 3 phase 400v as well.
    the 828d higher end models can take the s120 single phase drives, but this kit costs quite alot more.



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    Default Re: Power poll - what type of power do you have in your "shop"?

    which province are you in?



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    Default Re: Power poll - what type of power do you have in your "shop"?

    ontario



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    Default Re: Power poll - what type of power do you have in your "shop"?

    Too bad, I'd have great contact for you if you were in bc... however im, i'd be really suprised if they had no support for low voltage drives on their sinumerik controls, it seems that the v60 is supported by the 808. I find with siemens its hard to find out what you want to know by digging trough their manuals, your better of calling them and finding out right from them. I have worked on a couple of siemens based cnc machines and im, 2 of them were low voltage three phase for sure, these are older machines though.



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    Default Re: Power poll - what type of power do you have in your "shop"?

    i have 3 phase power and have been talking with siemens for some time. this poll was about putting the controls on machines that are sold... like xzero, novakon, tormach, etc etc. seeing what other people had for power.

    the 808d is open loop and only officially supports the v60. the v60 is only 3 phase. you can absolutely use any other step and direction dirve, but siemens will not support the system.

    the 808d advanced is closed loop and only uses the v70 and v90 with a proprietary signal.

    the 828d basic uses the s120 combi as mentioned. 3 phase only.

    the 828d and 840d can use single phase 220v s120 drives up to about 1kw, but you are getting into the $15k+ price range for a control kit with motors and drives.



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Power poll - what type of power do you have in your &quot;shop&quot;?

Power poll - what type of power do you have in your &quot;shop&quot;?