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  1. #191
    Ok fitted BOB today, all axis move in one direction only!!! but sound rough and move very slowly so a bit of sherlock is required (par for the course, how much is simple nowadays)....


    Rick
    Always bear in mind that your own resolution to succeed is more important than any other - Abe Lincoln

  2. #192
    Check for voltage at Dir +&- also pulse? on BOB inputs

  3. #193
    Quote Originally Posted by GeorgeD View Post
    Check for voltage at Dir +&- also pulse? on BOB inputs
    Well it is an opto isolated board with LED's on all outputs so i know it is getting pulse direction info but im on case!!!
    Always bear in mind that your own resolution to succeed is more important than any other - Abe Lincoln

  4. #194
    LOL how stupid can one get....derrrrr forgot to connect GND on BOB. All Axis now work both step and direction!!! im off to play for a while and tune the motors :)
    Always bear in mind that your own resolution to succeed is more important than any other - Abe Lincoln

  5. #195
    Ok im going mad,, will someone take a look at these two items and tell me how they interface and how they connect to the bob please ive tried for two hours and when it gets to that my experience tell me im doing something wrong...

    there are only three connections to the lenze 534 to the speed interface and although it only shows 1 connection to the breakout board there is also an rtn connection.....:confused:

    Lenze534 vfd
    Click image for larger version. 

Name:	Lenze 534.JPG 
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    pins 7,8,9 are for the speed control using a 10klin pot or circuit below

    cncdoctor speed controler
    Click image for larger version. 

Name:	B1-VSC-V1DataSheet[1].pdf 
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    Last edited by Ricardoco; 13-08-2010 at 06:46 PM.
    Always bear in mind that your own resolution to succeed is more important than any other - Abe Lincoln

  6. Quote Originally Posted by Ricardoco View Post
    Ok im going mad,, will someone take a look at these two items and tell me how they interface and how they connect to the bob please ive tried for two hours and when it gets to that my experience tell me im doing something wrong...

    there are only three connections to the lenze 534 to the speed interface and although it only shows 1 connection to the breakout board there is also an rtn connection.....:confused:

    Lenze534 vfd
    Click image for larger version. 

Name:	Lenze 534.JPG 
Views:	281 
Size:	47.3 KB 
ID:	2627

    cncdoctor speed controler
    Click image for larger version. 

Name:	B1-VSC-V1DataSheet[1].pdf 
Views:	323 
Size:	371.2 KB 
ID:	2626
    0-10v on speedcontroller TB2 to pin 8 on Lenze
    0v on speed controller TB2 to pin 7 on Lenze
    +ve on speed controller TB2 not connected


    STEP on speedcontroller TB1 to BOB Output (typically pin 8)
    RTN on speedcontroller TB1 to BOB Ground associated with the chosen output

    Do NOT share the grounds... they may not be the same ground level...

  7. #197
    Thanks irving, did you know what the rtn connection on the speed control to bob is..
    Always bear in mind that your own resolution to succeed is more important than any other - Abe Lincoln

  8. RTN = return

  9. #199
    Quote Originally Posted by irving2008 View Post
    RTN = return
    lol ok so is it supposed to be conected anywhere? ive connected the step to pin 8 on the bob is that the only connection to the speed control board...(i suppose i asked for that lol)
    Always bear in mind that your own resolution to succeed is more important than any other - Abe Lincoln

  10. see my post above... connected to BOB ground alongside pin 8

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