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Author Topic: S code problem  (Read 8561 times)

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Re: S code problem
« Reply #20 on: September 22, 2012, 06:49:41 PM »
Pin 7 is black to com on VFD. . Pin 8 is red to 12 V on VFD
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G1 X5.00 M3 S200 and S200 and so on
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I ran checks on both M3 and M4 speed both S200 and S800
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All 4 test voltage was the same 12.98 V

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Re: S code problem
« Reply #21 on: September 22, 2012, 07:07:20 PM »
Are you sure that is the correct way to hook to VFD, I read the the Gecko manual and my understanding would be
Pin 7 to com on VFD, so thats OK
Pin 8 to 0-10v input of VFD
Pin 9 to voltage output from VFD.

You may be better calling Gecko and seeking their advice before connecting as I suggest however.

Hood
Re: S code problem
« Reply #22 on: September 22, 2012, 07:37:15 PM »
I did find something else too in reading gecko manual. Pin 10 is suppose to go to the E Stop or be jumpper ed. I have no Estop or jumper
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STEP 2: INSERT E-STOP OR JUMPER
The G540 is designed to fault unless there is a normally closed switch (functionally identical to a jumper wire) between TERMINAL 10 and TERMINAL 12 on the 12-PIN TERMINAL BLOCK. Without TERMINAL 10 shorted to ground the G540 will remain disengaged to the motors and will not respond to commands. The red LED will be illuminated if there is no jumper connecting these two terminals.
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Those wires 7, 8 & 9 were supplied by Dan Mauch with instructions on re wiring this machine. It wasn't factory set to run mach 3 except with a manual speed control on the VFD. Forward and reverse were on  the same button now disconnected.
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Pin 10 now runs the led light on the panel. Maybe that's the red light It comes on with the CNC power switch.
<  The Serial number on  this machine is 013 . Maybe thats why.
Re: S code problem
« Reply #23 on: September 24, 2012, 12:55:20 AM »
The wiring is correct according to JT but  one thing I found out is that pin 9 on the Gecko expects 10vdc to provide a relatively linear output. If you wire it as JT says you get 12v, you won't be able to get anything like linear control from Mach3. The potentiometer on the front panel will work just fine. Is there a way around this or am I stuck with a manual controlled machine
Re: S code problem
« Reply #24 on: September 24, 2012, 01:14:53 AM »
 forgot the drawing
Re: S code problem
« Reply #25 on: September 27, 2012, 01:34:08 AM »
Hood, you are correct and I was relying to much on Dan to see it. . Pin8 goes to A1N1 and pin 9 goes to 12 volt. After making the change it still doesn't work so I have more settings  to check. I have all the answers but I am not sure what to do with them ROFL

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Re: S code problem
« Reply #26 on: September 27, 2012, 01:39:16 AM »
Have you measured the output from the board with the revised wiring?
It may be your VFD is not set correctly for that input as often they are set to front panel as default for speed control.
Hood
Re: S code problem
« Reply #27 on: September 27, 2012, 01:59:00 AM »
I haven't. I contacted JT and he sent me a diagram of all wiring and I finely saw that mistake. He sent me some topical settings to do and I did them but looking at one diagram I am not sure its right, having to do with motor outputs and also spindle control. But what I am really wondering is if the VFD is unlocking from manual and going to CNC. I know last test it didn't as I could turn to the VFD and run that manually
Re: S code problem
« Reply #28 on: September 27, 2012, 05:12:02 PM »
checked voltage as follows:
M3 S200 0.993 V
M3 S800 3.706 V
M4 S200 0.976 V
M$ S800 3.784 V

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Re: S code problem
« Reply #29 on: September 27, 2012, 05:29:31 PM »
Not sure how linear the G540 output is normally but looks fairly good.
Hood