FANUC LADDER-III is the standard programming system for developing, diagnosing and maintaining sequence programs for CNC PMC ladder, FANUC's integrated PLC. FANUC LADDER-III is a PC software with the following key functions:

• Creating, displaying, editing and printing ladder sequence programs
• Monitoring and debugging ladder sequence programs
• Program monitoring
• PMC signal status display
• PMC signal trace
• Writing to Flash-ROM
• Connection to the CNC via Ethernet
• Works with NCGuide on one or multiple PCs