SIMATIC S7-1200 CPU 1214C CPU 6ES7214-1AG31-0XB0

Siemens SIMATIC S7-1200 CPU 1214C Legacy Controller

The Siemens 6ES7214-1AG31-0XB0 represents a previous generation compact controller now superseded by newer versions. This CPU 1214C model maintains full functionality for existing systems while offering substantial I/O capabilities. Siemens recommends the updated 6ES7214-1AG40-0XB0 for new installations.

Key Technical Specifications

• Brand: Siemens
• Model: 6ES7214-1AG31-0XB0 (Legacy Version)
• Replacement Model: 6ES7214-1AG40-0XB0
• Product Type: SIMATIC S7-1200, CPU 1214C Compact CPU
• Supply Voltage: DC 20.4 - 28.8 V DC
• Program Memory: 75 KB integrated work memory
• Load Memory: 4 MB integrated storage
• Onboard Digital Inputs: 14 points at 24V DC
• Onboard Digital Outputs: 10 points at 24V DC, 0.5A capacity
• Onboard Analog Inputs: 2 channels, 0-10V DC

Product Status and Replacement Information

• This model has been superseded by updated version
• Replacement model: 6ES7214-1AG40-0XB0
• Suitable for maintenance and spare part requirements
• Compatible with existing S7-1200 system configurations
• Recommended to use updated version for new projects

Integrated I/O Capabilities

• Fourteen digital inputs with 24V DC compatibility
• Six inputs support high-speed counting up to 100 kHz
• Ten digital outputs with 0.5A switching capacity
• Four high-speed outputs for 100 kHz pulse generation
• Two analog inputs for 0-10V signals with 10-bit resolution

Processing Performance

• Processing speed: 0.085 µs for bit operations
• Word operation speed: 1.7 µs per instruction
• Floating point arithmetic: 2.5 µs per instruction
• 10 KB retentive memory for data preservation
• Integrated real-time clock with 480-hour backup

Communication and Connectivity

• PROFINET interface for industrial communication
• Supports PROFINET IO Controller functionality
• Open IE communication with TCP/IP, ISO-on-TCP, UDP
• Integrated web server with user-defined pages
• S7 communication as both server and client

Physical Specifications

• Compact dimensions: 110 x 100 x 75 mm (W x H x D)
• Package size: 4.53 x 4.37 x 3.31 inches
• Net weight: 0.917 lb (approximately 415 grams)
• Operating temperature: -20 °C to 60 °C
• IP20 protection for industrial environments

System Expansion and Motion Control

• Integrated motion control for positioning applications
• Supports position-controlled axes
• Six high-speed counters for precise measurement
• PID controller functionality available
• Compatible with S7-1200 expansion modules

Industrial Compliance and Durability

• Vibration tested according to IEC 60068-2-6
• Shock tested according to IEC 60068-2-27
• Comprehensive EMC immunity certification
• Multiple approvals: UL, cULus, FM, CE, Marine
• 95% maximum humidity operation

Frequently Asked Questions

• Is this model still available?
  This is a legacy model superseded by 6ES7214-1AG40-0XB0.
• What are the main differences from the new version?
  The updated model features increased memory and enhanced capabilities.
• Can I still use this for existing systems?
  Yes, it remains fully functional for maintenance and replacements.
• What is the memory capacity?
  This model has 75 KB work memory and 4 MB load memory.

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