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  1. #91
    Join Date
    Jun 2009
    Location
    Liverpool
    Posts
    4

    Default

    Quote Originally Posted by seafurymike View Post
    Would you not want to have a direction change function too?
    I have a few tools that are CCW.

    I think you have covered everything else needed.

    Thanks for the project clarification.I see what your trying to achieve now.

    Edit: Maybe a place holder for an initial start speed would be great. When you start these units they seem to start at the lowest speed and you have to enter up/down, etc or an M3?? i think command to set the speed.

    /M
    CCW ok will see if we can do that tomorow.

    I spoke to Mark today about the initial speed issue actually. I was thinking of placing a value on the config screen that you specified the startup speed. Mark was unsure as the the value being saved in the vfd when using the comms way of controlling it. We will check it all tomorow .We've spent so much time talking on the phone i think maybe His wife should move down here and ill move in with him. well maybe if we both shave

    Thanks for your input.

    Wayne

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  3. #92
    Join Date
    May 2009
    Location
    Gosford,NSW
    Posts
    135

    Default CCW and CW control

    Mike I've done a bit of poke and peek programming on the VFD to get directions working. Unfortunately the manual is a bit lacking and in some cases incorrect with regard to function codes.

    Assuming you have set your VFD address to 01 then:
    addr func len data CRC
    #01 #03 #01 #01 #31#88
    will start the motor in one direction (note CW CCW depends on how the motor is wired)

    #01#03#01#08#F1#8E
    will stop the motor

    #01#03#01#11#30#44
    will start it in the opposite direction

    the data hex values 01,02,03,04,05,09,0A,0B,0C,0D all start the motor in one direction
    and 11,12,13,14,15,19,1A,1B,1C,1D start it in the other direction. 08 is the only data I've found so far that stops it.

    Cheers

    Mark

  4. #93
    Join Date
    Mar 2007
    Location
    Melbourne - Mexico
    Posts
    655

    Default

    Nice work guys. I wish I had some spare time to look into stuff like this.

    PS: Who needs a wife when you've got a CNC. Funny enough, my wife mentioned last night that I talk about my X4 like it's my mistress. Either way all good grounds for divorce I suppose

  5. #94
    Join Date
    May 2003
    Location
    Perth WA
    Posts
    3,784

    Default

    Mike
    Dare you to tell her it is because when you give it a command it does what you tell it to do. That would be grounds for divorce.
    Cheers,
    Rod

  6. #95
    Join Date
    Jun 2009
    Location
    Brisbane
    Posts
    47

    Default

    Sorry to interrupt, but I just got my BOB and Mach3 to output 0V to 10V for my VFD and spindle. The only problem is that when I turn on the VFD from Mach3, it always goes to 3000 RPM, even if I am sending it 3 volts or 10 volts for example.
    I have PD1 and PD2 set to 1 (for external control) PD70 is set to 0
    Any ideas???
    I am SO close...yet SO far.
    cheers
    rosco

  7. #96
    Join Date
    May 2009
    Location
    Gosford,NSW
    Posts
    135

    Default

    Just an update

    Data values from 21 thru B1 all seem to run the motor at 5.00hz frequency or 300rpm which I have no idea where its getting that value from.

    the direction is dependent on the MSB while the LSB doesn't seem to do alot.

    Again 08 seems to be the only stop value while 00 06 07 0E and 0F don't appear to do anything.

    I'm not to concerned with all these settings as I can set the speed and direction.. the rest is not really of interest... for now.

    Note that setting the speed as shown by Jayson works but it should really be a 2 byte length not 3 with following zeros as shown.
    So setting 400.00hz is (note ignore the decimal point...hex 9C40 equals 40000 decimal)

    #01#05#02#9C#40#D0#3C
    rather than
    #01#05#03#9C#40#00#3C#60
    Both work but I'd say the first one is more appropriate as FF FF is 65535 which is more than the max we can set.


    Cheers

  8. #97
    Join Date
    May 2009
    Location
    Gosford,NSW
    Posts
    135

    Default

    Quote Originally Posted by roscopeeko View Post
    Sorry to interrupt, but I just got my BOB and Mach3 to output 0V to 10V for my VFD and spindle. The only problem is that when I turn on the VFD from Mach3, it always goes to 3000 RPM, even if I am sending it 3 volts or 10 volts for example.
    I have PD1 and PD2 set to 1 (for external control) PD70 is set to 0
    Any ideas???
    I am SO close...yet SO far.
    cheers
    rosco

    Whats PD004 and PD005?

    Are you geting 0-10vdc on the VFD between terminal ACM and VI (ACM is your common ground and VI is your analog input)... you have connected these two to your BOB?

  9. #98
    Join Date
    Jun 2009
    Location
    Brisbane
    Posts
    47

    Default

    Thanks for the reply amidst your fine work.
    PD 4 and 5 are set to 400
    I am seeing anywhere between 0 and 10V (depending on what speed setting I set in Mach3) at ACM and VI.
    The VFD just doesn't seem to do anything other than 3000 rpm...
    I'm going to try some other things...
    Any other ideas?
    cheers
    rosco

  10. #99
    Join Date
    Jun 2009
    Location
    Brisbane
    Posts
    47

    Default

    Actually I found that it goes to what ever speed is set in PD 11....
    Weird...
    Any ideas?
    cheers
    rosco

  11. #100
    Join Date
    May 2009
    Location
    Gosford,NSW
    Posts
    135

    Default

    my bet is that PD072 is still set to 50.00 change that to 400.00

  12. #101
    Join Date
    Jun 2009
    Location
    Brisbane
    Posts
    47

    Default

    You, my friend are an absolute bloody legend!
    I owe you a beer. Man I can't believe it.
    I hope that I can return the favour one day.
    I still can't believe it. I have been trying to get this to work for weeks
    Thanks again mhasting2004
    cheers
    rosco

  13. #102
    Join Date
    May 2009
    Location
    Gosford,NSW
    Posts
    135

    Default

    I hope I can take you up on that beer one day.

    No worries. Time for bed now..

    Cheers

    Mark

  14. #103
    Join Date
    May 2009
    Location
    Gosford,NSW
    Posts
    135

    Default More Hex updates

    earlier I said...

    "Data values from 21 thru B1 all seem to run the motor at 5.00hz frequency or 300rpm which I have no idea where its getting that value from."

    It appears that these data values cause the motor to go into jog mode. The speed is set by PD042 and the Accel / Decell times are in PD020 and PD021

    Just incase its been keeping you up at nights worrying about it.

    Cheers

    Mark

  15. #104
    Join Date
    Mar 2006
    Location
    Brisbane
    Age
    52
    Posts
    923

    Default

    Good work guys

    Just a question are all VFDs the same? when it come to this stuff?

    I am still running my Spindle via the VFD looking to move that to Mach in the very near future.
    I like to move it move it, I like to move it.

  16. #105
    Join Date
    Mar 2007
    Location
    Melbourne - Mexico
    Posts
    655

    Default

    I suspect most can be externally controlled in the same manner, but the code may vary to set things in motion (ie: different values for FWD/REV).

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