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Suggestions on my vfd conversion

So on your keypad when you're hit RUN the spindle turns in what ever direction it was last turning and when you pulse the FWD/REV key the spindle stops and changes direction? That might imply that "wire reversing switch" is a latched momentary signal.

On your current setup you have WIRE FWD OP on one switch and WIRE REV OP on the other switch so only one will be obeyed when the other is off, you can't have FWD and REV activated at the same time. Make sense?
 
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YYCHM said:
So on your keypad when you're hit RUN the spindle turns in what ever direction it was last turning and when you pulse the FWD/REV key the spindle stops and changes direction?
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Yes mostly right, but I can flip between rev/forward with the keypad and it will start up in that direction despite what it was last running at. When I key the fwd/Rev button there is an indicator light in the panel that shows what direction has been chosen.
 
DPittman said:
Yes mostly right, but I can flip between rev/forward with the keypad and it will start up in that direction despite what it was last running at. When I key the fwd/Rev button there is an indicator light in the panel that shows what direction has been chosen.
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That might imply that "wire reversing switch" is a latched momentary signal then. Try playing with that setting and see if you can get the same FWD/REV toggle effect on the control panel.
 
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Good lord man, finally I got it! I did as @YYCHM suggested with playing around with the x6 port. I noticed when it was shorted with com the reverse led light in the panel lit up. Amazing, just like the reverse button on the keypad. It couldn't be simpler, but to figure that out by the instructions was not so simple. I hooked up my toggle switch and once programmed for external controls everything works as it should. (Except for my tach)
 
Is the tach connected in anyway to the VFD? Is it possible that you are getting noise on the tach wiring that is causing the tach display to not operate properly? I saw that the tach works if the VFD is not operating.
 
Hruul said:
Is the tach connected in anyway to the VFD? Is it possible that you are getting noise on the tach wiring that is causing the tach display to not operate properly? I saw that the tach works if the VFD is not operating.
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Yes it is hooked to the vfd in the above video however, I have also powered it from an external source and it will not work unless the potentiometer is not hooked up. It will read fine only if the potentiometer is not hooked up AND if it is NOT powered by the vfd.
 
DPittman said:
Yes it is hooked to the vfd in the above video however, I have also powered it from an external source and it will not work unless the potentiometer is not hooked up. It will read fine only if the potentiometer is not hooked up AND if it is NOT powered by the vfd.
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Is the tach not a completely independent unit sensor, display, power source?
 
YYCHM said:
Is the tach not a completely independent unit sensor, display, power source?
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The tach needs power from somewhere, it can be powered either through the vfd or any other source. I've tried both and it doesn't seem to work with the vfd or when the pot I hookedup. It was suggested that my initial speaker wiring used for the potentiometer may not have been a good choice so I changed all the wiring to CAT cable but that made no difference.
 
DPittman said:
The tach needs power from somewhere, it can be powered either through the vfd or any other source. I've tried both and it doesn't seem to work with the vfd or when the pot I hookedup. It was suggested that my initial speaker wiring used for the potentiometer may not have been a good choice so I changed all the wiring to CAT cable but that made no difference.
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So the only thing the tach and pot have in common is the enclosure?
 
YYCHM said:
And nothing in there could be shorting through the enclosure? I'd be tempted to wrap the back end of the pot with tinfoil and see what happens.
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I don't think anything is shorting out. The odd thing is that the tach reads fine when I turn it the spindle over by hand or is powered externally with no external POT hooked up. It does not work with vfd power even with no pot. It has to be some sort of interference form the vfd, but I can't figure out why others have success with a similar setup.
 
DPittman said:
I don't think anything is shorting out. The odd thing is that the tach reads fine when I turn it the spindle over by hand or is powered externally with no external POT hooked up. It does not work with vfd power even with no pot. It has to be some sort of interference form the vfd, but I can't figure out why others have success with a similar setup.
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And the VFD is in the same enclosure? I don't think @David_R8 or @kevin.decelles did it that way. No sure about @John Conroy? I think they all remoted out the pot, tach display and switches with the VFD tucked away somewhere else.
 
maybe try using a complete separate set of wires for the pot and the tach display. So don't use the same cat 6 cable group for both. try some separate jumper wires for the tach and run the wires in a different route not side by side. If am understanding your setup correctly. I might have it wrong in my head.
 
Hruul said:
maybe try using a complete separate set of wires for the pot and the tach display. So don't use the same cat 6 cable group for both. try some separate jumper wires for the tach and run the wires in a different route not side by side. If am understanding your setup correctly. I might have it wrong in my head.
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I that cat 6 cable shielded pairs?
 
Sure sounds like you have an EMI problem. Perhaps not enough when the spindle is not running - as you say the tach works perfectly, but certainly when you power the spindle motor and POT.
 
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