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1

General Discussion / Connecting Lichuan AC Servo to PMDX-126

« on: December 06, 2019, 10:13:09 PM »

I have a Lichuan AC servo that I am hooking to be used as my spindle motor. And would like input as to if I am connecting it up correctly?

After speaking with Lichuan engineers they have sent me a diagram with what needs to be connected in order to get the drive functioning but I am not sure of the electrical diagram for the step and direction. I am not sure of what the wave symbol in the lower part of diagram between the controller and pulse and direction means?  The PMDX-126 only has 1 output for each step and direction but the diagram shows a negative and positive for each of the step and direction. My interpretation of the diagram is that I apply 5v to the positive of both the step and direction and hook the negatives to the step and direction outputs of the PMDX-126. It also states that if using 5v no resistor is needed.

As for the servo enable SON (per diagram)  I plan to connect that to the J13 RST and the Input common ground to J13 COM.
As for the Servo ready signal I am not sure where this should be connected.

Thanks
Jeff

2

Cables, connectors, switches, contactors, sensors and other items / Light up switches

« on: November 20, 2019, 11:58:18 PM »

Hi All,
I have a PMDX-126 with an ESS running Mach4. My question is how to wire up the light on both momentary and standard detent switches. An example is when I press a momentary switch to turn on the spindle in clockwise direction the switch lights up until I press the spindle stop switch and then the stop switch is lighted. Same for coolant but using a standard detent switch, it would light when you push the button and then go off when pressed again. The switches are all 12v led.

Thanks
Jeff