Title: Siemens SIMATIC S7-200 CPU 212 Compact PLC Controller - 6ES7212-1AA01-0XB0
Product Overview:
The Siemens SIMATIC S7-200 CPU 212 is a robust and compact programmable logic controller (PLC) designed for efficient and reliable automation solutions in small to medium-sized industrial applications. As a core component of the highly successful SIMATIC S7-200 series, this micro PLC offers a cost-effective and powerful platform for controlling a wide range of machinery and processes. Engineered for durability and ease of use, the CPU 212 provides essential digital I/O capabilities and communication features, making it an ideal choice for discrete manufacturing, machine control, and various factory automation tasks where space is at a premium and dependable performance is critical. Its proven architecture ensures long-term stability and compatibility within existing Siemens automation infrastructures, delivering a reliable foundation for your control needs.

Key Features & Benefits:

Integrated Digital I/O: Features 8 digital inputs (24V DC) and 6 relay digital outputs, providing versatile connectivity for sensors, actuators, and control devices without requiring external modules for basic applications. This integrated design simplifies wiring and reduces overall system complexity.
Compact Design: Its small footprint allows for installation in confined spaces, making it perfect for standalone machines, control panels, and distributed automation systems where cabinet space is limited. This space-saving design is crucial for modern industrial setups.
Optimized Memory Capacity: Equipped with 4 KB of program memory and 2 KB of data memory, sufficient for handling a wide array of control logic, data storage, and operational parameters for typical small automation projects. This ensures efficient execution of control programs.
Versatile Communication: Includes a built-in PPI (Point-to-Point Interface) port with RS-485 capabilities, enabling seamless communication with Human Machine Interfaces (HMIs), other S7-200 PLCs, and programming devices using the STEP 7 Micro/WIN software. This facilitates easy integration into existing networks.
Robust Industrial Construction: Designed to withstand harsh industrial environments, offering high resistance to electrical noise, temperature variations, and vibrations, ensuring reliable operation and extended service life. This durability minimizes downtime and maintenance.
Cost-Effective Automation: Provides a powerful yet economical solution for automating simple to moderately complex tasks, reducing overall system costs without compromising on performance or reliability. It offers an excellent balance of features and affordability.
User-Friendly Programming: Programmed using the intuitive Siemens STEP 7 Micro/WIN software, which simplifies development, debugging, and maintenance, even for users new to PLC programming. This accelerates project development and deployment.
Expandability: While a compact unit, it can be integrated into larger systems and offers a foundation for future expansion with compatible S7-200 modules for increased I/O or specialized functions, providing flexibility for evolving automation requirements.

Applications:

The Siemens SIMATIC S7-200 CPU 212 is highly versatile and suitable for a broad spectrum of industrial and commercial applications requiring reliable and compact control, including:
Small Machine Control: Ideal for packaging machines, conveying systems, textile machinery, bottling lines, and other standalone equipment requiring precise and reliable automation.
Building Automation: Used in HVAC systems, lighting control, access control, and energy management in commercial and residential buildings, optimizing operational efficiency.
Material Handling: Perfect for controlling simple conveyor belts, sorting systems, automated storage and retrieval systems (AS/RS), and palletizing operations.
Process Control: Applicable for basic batch processes, pumping stations, simple fluid control systems, and temperature regulation in various industries.
OEM 
Applications:
 A popular choice for original equipment manufacturers (OEMs) due to its compact size, reliability, and cost-effectiveness, allowing for seamless integration into custom machinery.
Educational and Training Systems: Frequently utilized in technical schools and universities for teaching fundamental PLC programming, industrial automation concepts, and hands-on control system design.
Environmental Control: Employed in water treatment plants, waste management facilities, and environmental monitoring systems for efficient and automated operations.

Technical Specifications:

Part Number: 6ES7212-1AA01-0XB0
Alternate Part Number: 6ES72121AA010XB0
Product Type: Programmable Logic Controller (PLC) CPU
Series: Siemens SIMATIC S7-200
Model: CPU 212
Power Supply: 120/230V AC
Digital Inputs: 8 x 24V DC
Digital Outputs: 6 x Relay
Program Memory: 4 KB
Data Memory: 2 KB
Communication Port: 1 x PPI (RS-485)
Programming Software: Siemens STEP 7 Micro/WIN
Operating Temperature: 0 to 55 °C (32 to 131 °F)
Storage Temperature: -40 to 70 °C (-40 to 158 °F)
Dimensions (H x W x D): Approximately 80 mm x 90 mm x 62 mm (Compact Form Factor)
Weight: 0.4 kg