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  1. Replies
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    Btw.. i realized i have made an mistake about the...

    Btw.. i realized i have made an mistake about the previous schematic... it was drawn with info from the Deva023 manual, witch i now realized is not valid for the original interfaces. (They seam to...
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    Ahh.. yet another Christmas present... Big...

    Ahh.. yet another Christmas present...
    Big thanks for the pictures...
    unfortunately it seams to be hard to nail the right info.. :)

    I hope you are willing to try another variant.

    i have drawn...
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    Thanks a lot Alan. So close, but still not...

    Thanks a lot Alan.

    So close, but still not there….. ;)

    The numbers i am after did not show up in the pictures…

    First, the potentiometers… im not shure about the three others but the VR1...
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    Great that you found the issue… I now hope you...

    Great that you found the issue…
    I now hope you can find a complete readhead for your unit.

    The info I’m looking for is clarification of the component values of the resistor net and the...
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    Exactly.... agftemp, I think you should remove...

    Exactly....

    agftemp, I think you should remove a read head from one of the working axis to compare... and see if there is a filter there, the one we think is missing on the troublesome axis…
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    Exactly, Im on your track Mr_CNC_guy.. With the...

    Exactly, Im on your track Mr_CNC_guy..
    With the reservation that instead of two, there are four separate electro/oprical circuits in these read heads, but the signals are combined two and two to...
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    Im not sure how you mean now... do you mean a...

    Im not sure how you mean now... do you mean a head from a working axis versus a head from the non working axis?

    Your previous pictures shows the sinus you shall get here...
    No square waves......
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    I have not removed and looked at my read heads.....

    I have not removed and looked at my read heads..
    There really shall be a filter there. But how this looks like is unknown to me..
    Maybe its placed closer to the phototransistors...

    The outputs...
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    I have that fun job ahead of me... :) I also got...

    I have that fun job ahead of me... :)
    I also got the pdf's from Mike... Thanks!
    Have not figured out what tube to use, neighter their dimensions...

    My first goal is to build interfaces for my...
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    Aha… it seams to be quite many variants on how...

    Aha… it seams to be quite many variants on how this interface is built. But the circutry seams to be the same… there are pictures in other forum threads where this is a separate module with...
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    Where are the potentiometers located? Separate...

    Where are the potentiometers located? Separate units?

    The read head gets its current through the potentiometers… if I got it right…
    The potentiometers controls the current through the LED part of...
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    Pot adjustments

    From my understanding of it, (while trying to figuring out my missing electronics) The potentiometers adjust the current through the individual LED’s in the read head. Thereby changing the amplitude...
  13. Im also intersted i the Air schematic... (Tried...

    Im also intersted i the Air schematic...
    (Tried the private mail function previously mentioned... still hoping for it to result in a reply, but nothing yet....)

    Br

    klas (@) malman (dot) se
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    Wery intresting thread.. Detailed Pictures of...

    Wery intresting thread..

    Detailed Pictures of the internals (both side of the pcb’s) of the Deva023 and Deva 018 units would be much apreciated…

    Considering geting these for my Tesa Micro-MS
  15. New try... my first attempt seams to have gone...

    New try... my first attempt seams to have gone into cyberspace....

    First, Thanks gregormarwick

    Your tips gave me some new valuable insights.


    I'm an electrical engineer, and as this is a...
  16. Thanks gregormarwick That lead me to some new...

    Thanks gregormarwick

    That lead me to some new insights.. :)

    As this is a low budget project, and I am an electrical engineer, this is handeled as a side project where i intend to build the...
  17. Interfacing the scales of a Tesa 3d micro-ms 545 CMM

    I came across a Tesa 3d Micro-ms 545 CMM unit, but without the computer and the linear scale interfaces. (And no documentation)

    It has a Renishaw PIM probe and it’s PI2-6 interface unit.
    ...
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    Ahh.. finally another Misal lathe user… Im also...

    Ahh.. finally another Misal lathe user…
    Im also in the hunt for information but have sadly not found any manuals or similar.

    I have a Misal 819.

    Probably solved by now, but the only ball I...
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