Centroid Community CNC Support Forum

Press Alt-I for the PLC diagnostic display. Watch OUT14 and OUT13 as you start and stop the spindle in both directions. If everything is working correctly, OUT14 should be Green whenever the spindle should be running in either direction; Red when the spindle should be stopped. OUT13 should be Green ...

The encoder signal goes through the Yaskawa servo drive. The encoder on the motor connects only to the drive (to 2CN). You then wire the pulse output lines from the drive (1CN pins 19-20, 33-36, and any SG pin). I usually wire it as follows: SGDH 1CN Centroid DB9 Signal 1 2 SG (0V) 19 6 ch. C (Z) 20...

The flash drive should contain a complete, bootable system (Linux plus the CNC11 software). You will need to plug it into the IDE controller on your computer, and use the BIOS Setup utility to Disable any on-chip SATA controller. From what I have seen, user manuals, and especially installation manua...

Most likely a tachometer output, which you don't need if you are using Centroid DC drives (e.g. DC3IOB). You can test whether it is a tachometer by connecting those two extra wires to a DC volt meter and giving the motor shaft a spin. If you get a small voltage out when you turn the shaft (positive ...

You don't need a new pendant; that did not change at all. Instead, the internal numbers assigned to the pendant keys and LEDs in the PLC program (the JPI and JPO definitions) all changed. Instead of jumping all around based on function, the numbers are now assigned in order, row by column. The follo...

I would check the Axis 2 and Axis 3 fuses on the DC3IOB board as well.

This is totally dependent on the PLC program you are using.

However, more likely than not your PLC program follows the convention of recent years: bit 1 (value 2) of Parameter 178 selects a normally-closed spindle fault. Otherwise spindle fault is assumed to be normally-open.

To further cloud the question of whether to have Emergency Stop break the line power, or just the enables: If you break the enables and leave line power on, then the inverter can provide dynamic braking (decelerating the spindle and dumping the power into the braking resistor). If you cut off line p...

Rather than wiring directly from "SPIN RESET COM" to "SPIN EN COM", you should route that wire through an open pole of your emergency stop contactor or relay. This will ensure that the run signal (forward or reverse) gets cut off when you press emergency stop, even if the compute...