Recent content by fdarling

If you swap all 3 cables related to the Z axis (motor, encoder, and limits) with another axis such as X, and it doesn't move the axis error, then it's one of three things: 1) the emergency stop cable going to P123 on the motherboard is unplugged, or the cable is damaged (not completing a...

I recently helped someone diagnose a similar issue, it was ultimately a faulty limit switch connector that was making the system thing it was on the Y+ limit. The significant of this is that the limit switches not only go to the "brains", but go to the servo amplifier ribbon cable so that they...

An unused rotary converter, or an unused Gerber Sabre 408? :)

The first machine I retrofit I did the "hard way" by using off the shelf cards, off the shelf breakout boards, and a custom acid-etched PCB to breakout the more exotic connectors. The second machine I did I used the off-the-shelf control cards, but all of the breakout boards were of my own...

I have retrofit several Gerber Sabre routers, and recently developed a drop-in replacement motherboard due to popular demand. You can read more about on another forum post: Gerber Sabre 404/408 LinuxCNC Retrofit Motherboard The Gerber Sabre's electrical cabinet will actually run off 220V...

I have retrofit several Gerber Sabre 408 CNC routers with LinuxCNC, and because of this I developed my own drop-in replacement retrofit motherboard. Attached is a photo of the new motherboard, a photo of the original motherboard, and a screenshot of the LinuxCNC software. The board has all of...