Connecting Auto Z Zero in X4+?

[john_t_h]

I'm looking at making one the Auto Z Zero setting tools from here

Another Aussie Auto Tool Zero Setter

I had a look in the back of my X4 but I have no idea on where I can wire it up to (the thread says wire it into a spare input on the BOB).

Can someone point me in the right direction?

BTW, While I had the back off I installed the cover on some hinges so it's easier to work on. Plus I wired up a plug so I can disconnect the 4th Axis when not in use.

[ToolMach_Aust]

John.

This type of setup uses the spindle/bit and the plate as a circuit. Not always the best idea. If you have a problem with use and it causes a fault you will most probably void the warranty.

Better idea is to make a Z axis setter with a switch inside similar to the limit switch. I use this type of switch on our flat bed router to re-set the z after machining the spoilboard.

Just utilize a redundant axis limit switch input.

cheers

Frans

[jalessi]

Hi,

The easy way to do this is without modifying your X4 would be to add a second parallel port to your P.C. and a inexpensive C10 BOB

Then you would just assign the probe to the second lpt port and select the appropriate pin.

Very simple solution and you will not void your warranty

See attached link for BOB

http://tinyurl.com/6gsngh

PCI Parallel Port Card

http://www.newegg.com/Product/Produc...82E16815166005

Hope this helps.

Jeff...

[Martin Long]

John,
The hinges and plug/socket were installed last night.
Does'nt it make it easier.

Martin

[john_t_h]

You're not wrong there Martin. Should be part of the standard fitout for the X4 IMHO.

Back on topic, the seperate BOB looks like a better option

[Martin Long]

John,
Have you progressed with the Z Zero setting tool? I'm looking for one but installing a bob and parallel port scares me a bit, I would much prefer a plug and use one.

Martin

[john_t_h]

Not as yet Martin. I have a BoB that I got from www.cnc4pc.com but that's as far as I've gotten.

[PEU]

I purchased a pendant from cnc4pc and adapted it to my SX3 using a second parallel port, then drilled a small hole for a small banana plug female conector and now Im using this setup : XYZ Probe modification Works like a charm!
Also since I have a female plug I made a toolsetting plate for the C6 lathe


Pablo

[Martin Long]

Peu,
Have you installed this on a X4+ yet?

Martin

[Greolt]

John-t-h

I would advise disconnecting the power to the 4th axis drive when that motor is disconnected. And most certainly do not disconnect the motor while powered up.

Do you have a spare input on the BoB? Do you have PDF spec for it?

Greg

[john_t_h]

Hi Greg,

Yep, I read about it being a big no-no to connect/disconnect the axis motor when power is on.

Not sure if there is a spare input on the X4 BoB as the instructions/manual are a bit primitive.

[Greolt]

I was able to chase down a PDF on mine (older model) you should be able to do the same.

Look at your "ports and pins" in Mach3. It will be obvious if you have any inputs spare. There are only five available. 10 - 13 and 15

Usually just looking at the BoB will give a good indication. Look for white printing on the board.

Just as an example here is a pic of the older model taken from the PDF. Note the white printing.

Greg