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OmniTurn ZipLoader Restore PLC Program

If it ever becomes necessary to restore the PLC program in your ZipLoader, the steps below describe the procedure.

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To Restore the PLC Program


  1. At CNC 'splash' screenCNC Splash Screen, drop to DOS with Ctrl-C (press and hold Ctrl key, then press C key).
  2. Set Run/Stop switch on PLC Run/Stop Switch to Stop (down)
  3. At K:CNC> prompt type UPDZIP then press enter.
  4. Follow the on-screen prompts.
  5. Note: If you see error message "Cannot communicate with PLC" your CNC may have VB7009 motherboard. These motherboards began shipping mid-2016. If this is the case, follow these instructions.

G3 CNC or earliest G4 w/floppy drive:

  1. There is a floppy in the PLC Cabinet. Put it in floppy drive.
  2. At CNC 'splash' screen ("Please Backup Program Files" prompt), drop to DOS with Ctrl-C (press and hold Ctrl key, then press C key).
  3. Set Run/Stop switch on PLC to Stop (down)
  4. At C:\OMNITURN > (or K:\CNC> for earliest G4 CNC w/floppy) type A: then press Enter.
  5. At A:\ prompt type PLCG3 (or PLCG4 for earliest G4 CNC) then press Enter.
  6. Follow the on-screen prompts.

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