(Fanuc Open CNC API) is a specialized application programming interface (API) that allows computer software to communicate directly with FANUC CNC controllers over Ethernet or HSSB (High-Speed Serial Bus). It is the industry standard for retrieving real-time data from machine tools for monitoring, diagnostics, and automation. Key Capabilities
(Factory Open Communication Adaptor System 2) is the official, industry-standard Application Programming Interface (API) and library set developed by FANUC Corporation. It enables external software applications to read from, write to, and monitor FANUC CNC (Computer Numerical Control) controllers over an Ethernet network. Essentially, FOCAS 2 turns a FANUC control into a data server, allowing seamless integration into Manufacturing Execution Systems (MES), IIoT platforms, predictive maintenance systems, and production monitoring dashboards. fanuc focas 2
Works over Ethernet (TCP/IP) or Fiber Optic (HSSB). FANUC FOCAS 2 (Fanuc Open CNC API) is
(Fanuc Open CNC API Specifications) is a powerful communication protocol and library that bridges the gap between FANUC CNC controllers and external PC applications. It allows developers to "ask" a machine for real-time data or issue commands, making it a cornerstone of modern smart manufacturing and Industrial IoT (IIoT). Core Capabilities It enables external software applications to read from,
| Error Code | Symbolic Name | Meaning & Fix | |------------|---------------|----------------| | -8 | EW_SOCKET | Network unreachable – check firewall, port, IP address. | | -12 | EW_MAX_CONNECT | Max number of FOCAS clients already connected – close idle connections or increase CNC option limit. | | -15 | EW_PROT | FOCAS protocol mismatch – update CNC firmware or FOCAS library version. | | -106 | EW_FUNC | Requested function not available on this CNC – may need additional option license. |