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22nd June 2009, 06:36 PM #91New Member
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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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22nd June 2009 06:36 PM # ADSGoogle Adsense Advertisement
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22nd June 2009, 07:15 PM #92Senior Member
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- May 2009
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- Gosford,NSW
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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
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22nd June 2009, 09:36 PM #93
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
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22nd June 2009, 09:56 PM #94GOLD MEMBER
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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
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22nd June 2009, 09:56 PM #95Intermediate Member
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- Jun 2009
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- Brisbane
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- 47
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
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22nd June 2009, 09:59 PM #96Senior Member
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- Gosford,NSW
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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
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22nd June 2009, 10:10 PM #97Senior Member
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22nd June 2009, 10:35 PM #98Intermediate Member
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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
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22nd June 2009, 10:41 PM #99Intermediate Member
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Actually I found that it goes to what ever speed is set in PD 11....
Weird...
Any ideas?
cheers
rosco
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22nd June 2009, 10:53 PM #100Senior Member
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my bet is that PD072 is still set to 50.00 change that to 400.00
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22nd June 2009, 10:59 PM #101Intermediate Member
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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
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22nd June 2009, 11:02 PM #102Senior Member
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I hope I can take you up on that beer one day.
No worries. Time for bed now..
Cheers
Mark
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24th June 2009, 01:07 PM #103Senior Member
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- May 2009
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- Gosford,NSW
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- 135
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
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24th June 2009, 08:08 PM #104
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.
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24th June 2009, 08:42 PM #105
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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