| Issue | Solution | | --- | --- | | "Cannot connect to CNC via Ethernet" | Ensure FOCAS2 is enabled in CNC settings (#3115 bit 0 = 1). Disable Windows firewall for private networks. | | "Error: License dongle not found" | Reinstall Sentinel driver from \Drivers\Sentinel folder on install media. | | "Ladder symbols appear as gibberish" | Go to and select Shift-JIS (Japanese) or UTF-8 (English). | | "Slow simulation speed" | Disable "Real-time scan animation" under Simulation Settings > Performance. |
However, as FANUC control hardware evolved (e.g., Series 0i-F, 30i-B, and 31i-B5), the old Ladder III software became obsolete. Enter the .
. As of early 2026, the software continues to be the primary environment for developing and maintaining sequence programs for FANUC's integrated PLC, known as the Programmable Machine Control (PMC) FANUC America The Evolution: Version 8.9 and Beyond
For now, remains the latest stable, production-ready version.