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Allen-Bradley power supply

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  • #16
    To me there was heck of some over engineering done on that application, to use such a high priced SMPS. P.S. such as A.B. to operate a brake is a little OTT.
    Historically A.B. (now Rockwell) have often used existing devices/components and relabeled them under license in these cases.
    Max.

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    • #17
      Originally posted by MaxHeadRoom View Post
      To me there was heck of some over engineering done on that application, to use such a high priced SMPS. P.S. such as A.B. to operate a brake is a little OTT.
      Historically A.B. (now Rockwell) have often used existing devices/components and relabeled them under license in these cases.
      Max.
      Yes and no.

      A previous owner may have obtained it cheap, surplus, etc.

      For OEM applications (which this is not), it's a canned solution, and an OEM gets it a lot cheaper. SMPS are getting to where they are cheaper than "heavy iron" power supplies.
      CNC machines only go through the motions

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      • #18
        May be cheaper, but when I install a system for a customer, I am more concerned with reliability and in most cases the few extra $ for putting together a simple DC supply with a couple of components is worth it to me.
        I have systems I have installed over the last 40yrs that are still plugging away and rarely, if ever hear from.
        I have also replaced OEM installed SMPS that have failed, with a simpler linear supply. Regulated linear versions can also be made or obtained if necessary.
        A customer with a production machine down is usually not concerned with a few $$ here nor there.
        Max.

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