We have created the simplest way to run Lumion for Mac
Previously, it was possible but complicated – you had to either find a way to install Windows on your MacBook or use a virtual machine, which required setup and program installation. We’ve simplified this process to just a few clicks.
LaunchFANUC FOCAS 2 (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.
A plant manager installs a Raspberry Pi or industrial PC on the network. Every 5 seconds, it polls 30 Fanuc-controlled mills using FOCAS 2. It calculates Availability (Power On vs. Production time), Performance (Actual speed vs. Ideal speed), and Quality (Good parts/Total parts). The data streams to a wallboard in the front office. If a machine sits idle for 3 minutes, an SMS is sent to the cell leader.
| Function Group | Examples of Data | |----------------|------------------| | Machine Status | Run/Idle/Alarm state, Emergency stop, Feed/Hold, Auto/Manual/Jog mode | | Position Data | Absolute, machine, relative, distance-to-go, servo positions | | Programs (PMC/NC) | Upload/download part programs (background/edit), directory listing, delete, rename | | Macro Variables | Read/write #500 series common variables, #100 series local variables | | Diagnostics | Alarm history (CNC & PMC), operator messages, system parameters | | Tool Management | Tool offset data (geometry/wear), life management counters | | Servo & Spindle | Load meters, actual spindle speed, feedrate override percentage | | Ethernet/Data Server | File transfer from connected data server drives |
FANUC FOCAS 2 is a specialized protocol and library that allows computers and software to "talk" to FANUC CNC (Computer Numerical Control) machines. It acts as a bridge, enabling developers to extract real-time data or send commands to the machine's brain via Ethernet or HSSB (High-Speed Serial Bus). 🏗️ Core Architecture
FOCAS (Fanuc Open CNC API Specifications) version 2 is the modern standard for interfacing with i-Series and newer controllers. fanuc focas 2
Library Files: It consists of a collection of DLLs (like Fwlib32.dll) that provide a standard C-style API for applications. Connection Modes: Ethernet: Most common; uses TCP port 8193 by default.
HSSB: A high-speed physical card connection for specialized PCs integrated into the machine.
Data Types: Supports standard programming types including Short, Long, and Float to handle complex CNC parameters. 🛠️ Key Functionality
The library gives you deep access to almost every part of the CNC and PMC (Programmable Machine Control). Data Acquisition Fwlib32 | General | Fanuc Focas Library - inventcom FANUC FOCAS 2 (Factory Open Communication Adaptor System
FANUC FOCAS 2 (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
Data Extraction: Read/write CNC parameters, PMC signals, tool offsets, and alarm history.
Real-time Monitoring: Track machine status (Run, Hold, Alarm) and cycle times for OEE (Overall Equipment Effectiveness) calculations.
Program Management: Transfer part programs between a PC and the CNC memory. | Error Code | Symbolic Name | Meaning
Integration: Connects machines to third-party software like Kepware KEPServerEX or Litmus Edge for SCADA and MES applications. Core System Requirements
To use FOCAS 2, you typically need the following components installed on your host PC:
Step-by-Step: Connecting a Fanuc CNC Router via FOCAS Protocol
| 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. |
Quick access
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Save money and time by avoiding additional hardware or Windows installations.
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Access all Lumion features, from 3D modeling and assembly design to simulation, right from your MacBook.
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Our service allows you to store and download files of up to 100 GB.
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