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  1. #11
    I’ll do what I can to help, though I’ll have to do a bit of revision as I don’t remember a lot of it.

    The one component that I added to ensure separate grounds was a small reed relay: using lpt2 pin 14 for a voltage supply and grounding it using pin 1 let the relay output switch the vfd on & off. Pin 18 sends the variable voltage to the vfd for the variable speed.

    How far have you got yourself?

    Gavin

  2. #12
    Quote Originally Posted by artmin View Post
    Iíll do what I can to help, though Iíll have to do a bit of revision as I donít remember a lot of it.

    The one component that I added to ensure separate grounds was a small reed relay: using lpt2 pin 14 for a voltage supply and grounding it using pin 1 let the relay output switch the vfd on & off. Pin 18 sends the variable voltage to the vfd for the variable speed.

    How far have you got yourself?

    Gavin
    Well, not far, since i haven't bought the spindle or VFD yet. I first need to know how easy is to install it, and if it works. From what i've seen it works, but all i need to do is create a decent cable to control the spindle speed and the on/off with the LP2 output?

  3. #13
    It was an easy enough install but you will need to make mounts for the new spindle to attach to the HEIZ. This is my effort:

    Click image for larger version. 

Name:	IMG_20180726_191014-768x1024[1].jpg 
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ID:	24595

    It's the 1.5Kw water cooled spindle that I bought with the body dia. of 65mm. I used a standard LPT cable for LPT2 and built a separate control panel.

    Click image for larger version. 

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ID:	24596

    I bought a long ribbon cable extension for the VFD control panel and I have a manual potentiometer that I can switch to if I want to overide the commands from WinPCNC. Also included is a temperature controller which controls 4 PC fans that are mounted on a van heater matrix and the water flow is supplied by a fish tank pump. That's the LPT2 cable that you can see and then the internal electronics are tapped from that.

  4. #14
    I'm looking for something simple. I might connect the water pump to the second AC socket in the Zero3 controller (used for the vacuum, but not enough power for mine) and just had the LPT2 cable and connect to the VFD. The VFD will be close to the zero controller so i can control manually if needed. Should i be concern with the noise created by the VFD near the Zero3?

  5. #15
    Quote Originally Posted by artmin View Post
    It was an easy enough install but you will need to make mounts for the new spindle to attach to the HEIZ. This is my effort:

    Click image for larger version. 

Name:	IMG_20180726_191014-768x1024[1].jpg 
Views:	32 
Size:	160.6 KB 
ID:	24595

    It's the 1.5Kw water cooled spindle that I bought with the body dia. of 65mm. I used a standard LPT cable for LPT2 and built a separate control panel.

    Click image for larger version. 

Name:	IMG_20180726_190936-1040x780[1].jpg 
Views:	35 
Size:	190.6 KB 
ID:	24596

    I bought a long ribbon cable extension for the VFD control panel and I have a manual potentiometer that I can switch to if I want to overide the commands from WinPCNC. Also included is a temperature controller which controls 4 PC fans that are mounted on a van heater matrix and the water flow is supplied by a fish tank pump. That's the LPT2 cable that you can see and then the internal electronics are tapped from that.
    Well i've noticed that my Zero3 controller has an extra output, under LPT2, they don't have any documentation about it. Is it an output for the VFD?

    Click image for larger version. 

Name:	P_20180730_170630.jpg 
Views:	33 
Size:	123.5 KB 
ID:	24606
    Last edited by Pontomira; 02-08-2018 at 10:11 AM.

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