Overview
The Siemens 6FM2805-4AS31 is a dedicated operator control keyboard engineered for the SINUMERIK 805SM CNC control platform. As a legacy HMI component, this keyboard provides essential machine operator interface functionality for SINUMERIK-based machine tools and manufacturing automation systems. The unit features proven single-stroke key technology with integrated LED indicators and protective foil cover to ensure reliable human-machine interaction in industrial environments.
Key Features
- Single-stroke key design for positive tactile feedback and reduced operator fatigue
- LED indicators for visual feedback of machine status and keypad input confirmation
- Durable foil cover protection against dust, coolant, and industrial contaminants
- Purpose-built for SINUMERIK 805SM machine control systems
- Tested and verified functionality on legacy CNC platforms
Technical Specifications
- Compatible Platform: SINUMERIK 805SM
- Input Method: Single-stroke mechanical keys with LED illumination
- Housing: Industrial-grade plastic with protective foil overlay
- Weight: Approximately 5.0 lbs (2.27 kg)
- Application Category: HMI / Operator Interface Panel
- Status: Legacy / Discontinued (manufacturer end-of-life: October 2009)
Typical Applications
The 6FM2805-4AS31 keyboard is commonly deployed in:
- SINUMERIK 805SM-based CNC machine tool controls
- Automated production line operator stations
- Legacy manufacturing equipment retrofits and maintenance
- Industrial machine tool operator interfaces requiring proven reliability
Compatibility & Replacements
This is a genuine Siemens control keyboard designed specifically for SINUMERIK 805SM numerical control systems. Alternative part designations include 6FM2 805-4AS31, 6FM2 8054AS31, 6FM2-805-4AS31, and 6FM2-8054AS31. As a discontinued product, availability is limited to stock from equipment decommissioning and refurbishment channels. Verify SINUMERIK 805SM compatibility before installation. This keyboard is not interchangeable with later SINUMERIK generations (805D, 810, 828D) without mechanical and electrical adaptation.
