Emco PC turn 55 upgrade..

turbo wrote: I'm trying to figure out the motor steps/rev. From this is it safe to assume that these are all 200 step/rev motors?

Yes, it looks like 200 steps/rev motor and the other numbers refer to whatever microstepping is in use by the drives.

Is there a maximum resolution in Linuxcnc?

Not for any practical purposes, no. However depending on the pulse-generator (software or hardware) you might run out of pulse-rate at very high microstep settings.

Can anyone tell me how the controller communicates with the tool changer? I want to know if the original tool changer electronics are compatible with LinuxCNC and the 7i76.

Got a job and moved so I didn't touch the lathe for two months. The last thing I did before moving was put the toolerator 3000 together. I decided to just pull everything apart and label the wires and not try to get it running again to try to figure out what all the wires are with the scope and meter. Right now I'm trying to match the wires to the VFD with the 7I76.

The wires to the VFD are:
62 frequenz analog
7 GND 1
8 Sollwert (reference)
59 +24V
A1 Servo Ready
28 Reglerfreigabe (controller enable)
E4 R/L 0/1
39 GND 2

7I76 TB4 terminals
1 Spindle-
2 Spindle Out
3 Spindle+
4 NC
5 Spindle Ena-
6 Spindle Ena+
7 Spindle Dir-
8 Spindle Dir+

The only one I got hooked up is Spindle Out to Frequenz Analog.

turbo wrote: The wires to the VFD are:
62 frequenz analog
7 GND 1
8 Sollwert (reference)
59 +24V
A1 Servo Ready
28 Reglerfreigabe (controller enable)
E4 R/L 0/1
39 GND 2

7I76 TB4 terminals
1 Spindle-
2 Spindle Out
3 Spindle+
4 NC
5 Spindle Ena-
6 Spindle Ena+
7 Spindle Dir-
8 Spindle Dir+

The only one I got hooked up is Spindle Out to Frequenz Analog.

That's probably right. What voltage is Sollwert relative to GND?
At a guess I would be connecting Sollwert to Spindle+ and GND to Spindle-. Especially if there is 12 V or 10V between them on the multimeter.

I would guess that spindle-enable+ is 28, and spindle-enable- goes to GND2. I might be tempted to try that with a jumper wire first, though.

I think I found the proper manual for the VFD now so I may be able to figure something out.
download.lenze.com/TD/E82EV__8200%20vect...5-90kW__v3-0__EN.pdf page 194 ish

Apparently frequenz analog is a speed signal back to the controller and sollwert is the speed control signal. I should have enough of the wiring hooked up that I can move the x, z and spindle, but the pncconfig is hiding all the important connections from me.