Siemens 6FC5203-0AF21-0AA1 SINUMERIK KB 310C CNC Operator Keyboard

Product Overview

The Siemens 6FC5203-0AF21-0AA1 is a SINUMERIK KB 310C Full CNC Keyboard (Operator Panel Component) designed for Siemens SINUMERIK CNC control systems. It provides a complete operator input interface for CNC machine tools, including alphanumeric keys, numeric keypad, cursor controls, and dedicated CNC function keys.

This unit is mainly used with Siemens SINUMERIK 840D / 840Di / 810D CNC systems for machine operation, program editing, parameter input, and CNC control functions.

Main Specifications

• Manufacturer: Siemens
• Model: 6FC5203-0AF21-0AA1
• Product Type:
  • SINUMERIK Operator Keyboard
  • CNC Full Keyboard
  • Machine Tool Operator Panel Component
• Product Designation: KB 310C Full CNC Keyboard
• System Family: Siemens SINUMERIK
• Keyboard Layout: Standard / US QWERTY layout
• Number of Keys: 75 mechanical short-stroke keys
• Interface: USB 1.1 Type-B connection
• Supply Voltage: 5.25 VDC
• Typical Power Consumption: 0.4 W
• Protection Rating:
  • Front: IP54
  • Rear: IP00
• Maximum Transmission Distance: 3 m

Technical Functions

The Siemens KB 310C provides:

• CNC program input and editing
• Numerical parameter entry
• Machine operation commands
• Cursor navigation
• CNC function key operation
• Operator communication with SINUMERIK controller

Working principle:

Operator Input → KB 310C Keyboard → SINUMERIK CNC Controller → Machine Tool Control

Keyboard Features

Includes:

• Alphabetic keyboard area
• Numeric keypad
• Cursor control keys
• CNC dedicated function keys
• Shortcut keys for fast CNC operation
• Special character input

Features & Advantages

• Original Siemens SINUMERIK CNC component
• Designed specifically for machine tool environments
• Durable mechanical short-stroke keys
• Fast and accurate CNC program entry
• Compact operator panel integration
• Reliable industrial operation
• Easy replacement for damaged CNC keyboards

Applications

Used in:

• CNC machining centers
• Milling machines
• Turning machines
• Grinding machines
• Automated production equipment
• Precision manufacturing systems

Typical applications:

• CNC program creation
• Machine parameter adjustment
• Operator control interface
• Maintenance and commissioning