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Thread: CNC TB6550 Board Arduino UNO Board Estlcam

  1. #81

    Default Re: CNC TB6550 Board Arduino UNO Board Estlcam

    Quote Originally Posted by john-100 View Post
    I agree with jahn normally closed switches are safer

    the odds are greater that a cable will go open circuit due to repeated flexing
    while it is possible for a cable thats been crushed to be short circuited

    which limit / home switches are you using ?

    if its this -
    Attachment 372918

    for each axis , its easy to wire 2 normally closed switches in series to act as the home and limit switches

    with this switch with the LED indicator
    Attachment 372920

    it will be easier to wire one switch to one input !

    with 4 inputs on the TB6560 board and 5 on the breakout board
    you wiil only use 8 of the possible 9 inputs - 6 for each end of the three axis + E-stop + probe


    john
    Hi John,

    I am using this -
    Attachment 372918

    I made the connections yesterday and everything went well. I connected the limit switches in series for each axis, in the NC scheme. On the Z axis I used only one limit switch at the top, which will be used as "0"(zero), and down (Z ---) negative values. I still need to reference the axes in Mach3 and keep testing things. A breakout board on the way to power up the probe later.

    Thank you!
    Genesio



  2. #82

    Default Re: CNC TB6550 Board Arduino UNO Board Estlcam

    Quote Originally Posted by john-100 View Post
    I see you have been busy while I put this together

    Attachment 372620

    the BOB connected to port 2 gives you 5 more inputs
    use any one for the probe
    the isolated 12 to 24V power supply only needs to be able to supply 100mA


    John
    Hi John,

    I have a doubt. Can I connect a straight-through breakout board cable to the Smoooth Stepper (db25 ---> 26 pins smooth)? Or do I have to use 2 cables? A flat cable 26pins ---> db25 female, and another male db25 cable connected to the female going to the breakout board? Do you understand what I mean?
    Thank you.
    Genesio Spinola



  3. #83
    Member john-100's Avatar
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    Default Re: CNC TB6550 Board Arduino UNO Board Estlcam

    if you put the breakout board in the same box as the smooth stepper

    you will only need another ribbon cable with the 26 (13x2) way socket to 25 way D-type socket
    like the one you have on port 1 to replicate a PC printer port 25 way D-type socket

    the breakout board has a 25 pin D-type connector

    a normal 25 to 25 pin printer cable with all the D-type connectors wired 1 to 1
    is only needed to extend the smooth stepper 26 to 25 pin ribbon cable

    John



  4. #84

    Default Re: CNC TB6550 Board Arduino UNO Board Estlcam

    Quote Originally Posted by john-100 View Post
    I see you have been busy while I put this together

    Attachment 372620

    the BOB connected to port 2 gives you 5 more inputs
    use any one for the probe
    the isolated 12 to 24V power supply only needs to be able to supply 100mA


    John
    CNC TB6550 Board Arduino UNO Board Estlcam-img_3868-jpg
    Hi, John. I think the breakout board above is upside down checking the connections.

    The breakout board just arrived.
    CNC TB6550 Board Arduino UNO Board Estlcam-img_3942-jpg

    Thank you
    Genesio



  5. #85
    Member john-100's Avatar
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    Default Re: CNC TB6550 Board Arduino UNO Board Estlcam

    your correct - I have made a copy & past error

    looks like I used the wrong breakout board photo from post 68 and

    I should of used the second photo of the under side in which you can see the lables

    CNC TB6550 Board Arduino UNO Board Estlcam-revised-probe-bob-tb6560-smoothe-stepper-conections



    John

    Last edited by john-100; 09-13-2017 at 05:51 AM. Reason: correct typo


  6. #86

    Default Re: CNC TB6550 Board Arduino UNO Board Estlcam

    Quote Originally Posted by john-100 View Post
    your correct - I have made a copy & past error

    looks like I used the wrong breakout board photo from post 68 and

    I should of the second photo of the under side in which you can see the lables

    CNC TB6550 Board Arduino UNO Board Estlcam-revised-probe-bob-tb6560-smoothe-stepper-conections



    John
    Ok John!
    Thank you.
    Genesio



  7. #87

    Default Re: CNC TB6550 Board Arduino UNO Board Estlcam

    Quote Originally Posted by genesiospinola View Post
    Ok John!
    Thank you.
    Genesio
    Hi John
    I did more connections yesterday.
    GSpinola

    CNC TB6550 Board Arduino UNO Board Estlcam-img_4009-jpg
    CNC TB6550 Board Arduino UNO Board Estlcam-img_4010-jpg
    CNC TB6550 Board Arduino UNO Board Estlcam-img_4015-jpg



  8. #88

    Default

    Here John

    Quote Originally Posted by john-100 View Post
    your correct - I have made a copy & past error

    looks like I used the wrong breakout board photo from post 68 and

    I should of used the second photo of the under side in which you can see the lables

    CNC TB6550 Board Arduino UNO Board Estlcam-revised-probe-bob-tb6560-smoothe-stepper-conections



    John




  9. #89

    Default

    The limits switches
    Quote Originally Posted by john-100 View Post
    I agree with jahn normally closed switches are safer

    the odds are greater that a cable will go open circuit due to repeated flexing
    while it is possible for a cable thats been crushed to be short circuited

    which limit / home switches are you using ?

    if its this -
    Attachment 372918

    for each axis , its easy to wire 2 normally closed switches in series to act as the home and limit switches

    with this switch with the LED indicator
    Attachment 372920

    it will be easier to wire one switch to one input !

    with 4 inputs on the TB6560 board and 5 on the breakout board
    you wiil only use 8 of the possible 9 inputs - 6 for each end of the three axis + E-stop + probe


    john




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