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Thanks, Galane.

I too have had little luck in getting any information on the mill.

I'll dig a little deeper into the circuitry to see if I can identify the cause.

Jerry

Do you plan to use the stock servos or replace them? It would be nice if they can be used with Mach 4.

Thanks. I could use this, as my mill is acting up. I suspect a bad ground somewhere.

Now when a routine ends, holding current is lost to the Z axis servo, causing the milling head to drift...

When a program is running, all axes track perfectly, never losing position. This suggest that the servos are working properly. It's only when the program ends the controller now seems to remove power...

I have a Prolight 2000 mill that has been running well but has just started losing track on the Z axis. When a milling routine stops, the machine completely powers down the Z axis servo, which causes...

I just checked my PC's serial port, and it's set to:

COM 1 = 19200 baud, Data Bits 8, Parity None, Stop Bits 1, Flow control Xon/Xoff.

This differs from your settings. Try these out and see if...

The PL2000 just needs a serial port, running their proprietary DOS program. It's not like the earlier versions of ProLight mills that required an interface card in the PC.

It sounds like you may...

Thanks, cameraguy.

Can you simply plug the existing stepper motors into this controller?

Also, were you able to use the power supply from the original control box?

If not, what power supply (voltage & current)...

Have you tried this site:

Service packs

There is a fuse soldered onto the PC control card in this system. If the fuse blows, the X/Y axes stop working.

I would check this fuse if I were you. It looks like a 1/2 watt resistor, and I...

You can download the last released version of the software (still very old and outdated, but at least it's Windows based) from this site:
...

I found it necessary to run a DOS emulator application, rather than the DOS window that comes with Windows XP. It seems that the serial port timing is different in the two, and only the DOS emulator...

Are you running the PLM2000 program in Windows XP or are you running it inside a DOS shell inside XP?

You need to do the latter, or you will get communications errors.

There should be a small magnet attached to the safety shield, just above the magnetic switch in your photo. It looks like yours is missing. When you close the shield, the magnet comes into close...

You should test your serial port connection by running this or another test:

http://zone.ni.com/devzone/cda/tut/p/id/3450

Be sure to run the 25-pin test at the connector that plugs into the...

I got my adapter and cable from cablesforless.com.

You can buy a cable from them with a DB-25 male on one end and a DB9 female on the other. That way you don't need an adapter.

A suitable cable...

My Prolight 2000 communicates with the PC via a serial port. This uses a 9 pin connector on the back of the PC, connecting via a standard serial port cable. This attaches to a 9-pin to 25-pin adapter...

Sorry - this is the program directory:

http://www.lightmachines.com/software/downloads/servicepacks/accept.html

Try this site:

http://www.intelitekdownloads.com/Manuals/CNC/

You can set the software to simulate mode, so you can try out your G-code at home and see how it works.

I am running this software. PM me for details.

PM sent.

I was able to decipher a configuration file in the root directory. I made a few modifications to it, and the mill now runs perfectly.
I am used to a stepper machine. This servo based version is VERY...

Anthony;

I was able to dismantle my TMC1000 and carry it downstairs to my shop by myself.

I took the motor off, separated the Z column, removed the table, etc.

I just did the same thing with...

My Prolight 2000 (that I just bought a month or so ago) uses a commercial 3-axis Animatics servo driver. This takes an RS232 input from the PC.

I'd be interested in hearing how your retrofit...

I just bought a Prolight 2000 CNC mill, and am setting it up.

It works very well, with nice smooth movement, but the Y axis moves twice as far, and twice as fast, as I tell it to. I issued a G51...

I reassembled the dual ball nuts last night in about 30 minutes. After cleaning everything I greased the shaft, slid the empty ball nuts on the shaft, then dropped the balls in one by one. I pushed...

Thank you very much for the links. This looks easier than I thought it would be!

I mistakenly unscrewed the X axis ball screw thread on my TMC 1000 mill, and now have to reassembled the ball screws. There are two separate section that fit together.

Does anyone know where I can...

Were you able to get a schematic for the ProLight 2000 controller?

I just bought one of these and would also like to get a schematic diagram.

Thanks.