Siemens 6ES7212-1HE40-0XB0 Compact CPU | 1212C DC/DC/Relay

Siemens 6ES7212-1HE40-0XB0 Compact CPU with Integrated I/O

The Siemens 6ES7212-1HE40-0XB0 delivers powerful automation control in a compact design. This versatile CPU combines digital and analog I/O with relay outputs for flexible applications. It offers reliable performance for industrial control systems with easy installation.

Key Product Features

• 8 digital inputs (24V DC) and 6 relay outputs (2A)
• 2 analog inputs (0-10V DC) for precise measurement
• 100 KB integrated work memory for complex programs
• PROFINET interface for seamless communication
• Wide power supply range (20.4-28.8V DC)
• Compact dimensions (90x100x75 mm) for space-saving installation
• Extended temperature range (-20°C to +60°C)
• Integrated counters and frequency measurement

Technical Specifications

• Product Family: CPU 1212C DC/DC/Relay
• Firmware Version: V4.6
• Power Supply: 24V DC (20.4-28.8V range)
• Current Consumption: 400 mA (CPU only)
• Program Memory: 100 KB integrated
• Data Memory: 2 MB integrated
• Digital Inputs: 8 channels, 24V DC
• Digital Outputs: 6 relay outputs, 2A each
• Analog Inputs: 2 channels, 0-10V DC, 10-bit resolution
• Communication: PROFINET with RJ45 connector
• Expansion Capability: Up to 3 communication modules
• Operating Temperature: -20°C to +60°C
• Protection Rating: IP20 for electrical cabinets
• Weight: 385 grams
• Dimensions: 90 x 100 x 75 mm (W x H x D)

Performance Advantages

• Fast processing: 0.08 µs for bit operations
• Real-time clock with 480-hour backup
• High-speed counters up to 100 kHz
• PID controller for process control applications
• OPC UA server capability for data access
• Web server functionality for remote monitoring
• Multiple protocol support (TCP/IP, ISO-on-TCP, UDP)
• Easy integration with STEP 7 programming

Installation & Setup

• DIN rail mounting for quick installation
• Front connector system for easy wiring
• Integrated Ethernet port for programming
• Online diagnostics through web server
• Expansion modules for additional I/O requirements
• Signal boards for custom configuration
• Plug-in memory card for data backup
• LED status indicators for visual monitoring

Communication Capabilities

• PROFINET IO controller and device support
• S7 communication for Siemens network
• Open IE communication for third-party systems
• Maximum 64 simultaneous connections
• Network server with user-defined web pages
• OPC UA server with 10 simultaneous sessions
• MODBUS protocol support
• Secure communication with TLS encryption

Environmental Durability

• Industrial-grade components for long life
• Vibration resistance: 2g for panel mounting
• Shock resistance: 15g peak acceleration
• High immunity to electromagnetic interference
• Compliance with international safety standards
• RoHS compliant since December 2013
• Global certifications (UL, cULus, FM, KC)
• Suitable for harsh industrial environments

Packaging & Delivery

• Individual retail packaging for protection
• Package dimensions: 4.21 x 3.98 x 3.35 inches
• Net weight: 0.686 lb per unit
• Fast worldwide shipping via FedEx, UPS, DHL
• Standard lead time: 15 days ex-works
• Professional technical documentation included
• Manufacturer: Siemens, Germany origin

Professional Support

• What programming software is required?
• STEP 7 V18 or higher TIA Portal software is needed for programming and configuration of the CPU
• How many expansion modules can be connected?
• The system supports up to 3 communication modules, 1 signal board, and 2 signal modules for expansion
• What is the maximum cable length for inputs?
• Shielded cables up to 500 meters and unshielded cables up to 300 meters can be used for digital inputs
• Can this CPU function as both controller and device?
• Yes, the 6ES7212-1HE40-0XB0 can operate as both PROFINET IO controller and IO device
• What protection features are included?
• The CPU includes password protection, copy protection, and module protection for program security

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