1FK7042-2AF71-1RH0 SIEMENS Processor module

Description

1FK7042-2AF71-1RH0 SIEMENS Processor module

Product Dimensions：

Product Description

The SIEMENS Processor Module, frequently referred to as the Central Processing Unit (CPU), is the core computing element in the SIMATIC S7 series of controllers (PLCs). It functions as the brain of the industrial automation system. Its primary responsibility is to execute the user program—the logic that defines the machine’s behavior—while managing data from all connected input/output (I/O) modules and communicating with other components like human-machine interfaces (HMIs), supervisory systems (SCADA), and other controllers.

The Siemens CPU module is a high-performance industrial computer housed in a robust, compact enclosure designed for harsh environments. It contains the main microprocessor, internal memory (for program execution and data storage), and essential system functions.

The CPU operates cyclically:

1. Read Inputs: Reads the status of all connected input modules.
2. Execute Program: Processes the user’s logic written in languages like Ladder Diagram (LAD), Function Block Diagram (FBD), or Structured Text (SCL).
3. Write Outputs: Updates the status of all connected output modules based on the program results.
4. Diagnostics and Communication: Performs internal self-checks and handles all network traffic during its cycle.

The modular design of the CPU allows it to interface seamlessly with a wide range of expansion modules for specialized tasks, ensuring a highly flexible and adaptable control solution.

General Product Parameters

The parameters of a Siemens Processor Module are highly scalable, covering everything from basic tasks to complex, high-speed applications.

Product Advantages

1. Totally Integrated Automation (TIA): Full integration into the TIA Portal environment simplifies engineering, commissioning, and maintenance through unified data management and a consistent operational philosophy across all Siemens components.
2. Performance and Speed: CPUs are engineered for high-speed logic processing and communication, ensuring deterministic, real-time control critical for demanding industrial tasks.
3. Scalability: The vast portfolio allows users to select a CPU that precisely matches their performance needs, making systems cost-effective and future-proof with easy upgrades.
4. Integrated Functions: Advanced models include built-in features for Motion Control and Safety Integrated, eliminating the need for separate hardware controllers for these functionalities.
5. Security Integrated: Features deep-layer security, including access protection, encryption, and firmware integrity checks, to safeguard intellectual property and plant availability from cyber threats.

Important Precautions

• System Design: Always verify the CPU’s performance reserve (memory and speed) during the design phase. A good practice is to reserve 20-30% spare capacity for future expansion and program modifications.
• Firmware Updates: Regularly check for and apply the latest firmware updates. These updates often include performance enhancements, new features, and critical security patches.
• Grounding and Shielding: Strictly follow the installation guidelines for grounding and shield connection of the module and all connected cables (especially communication cables) to ensure reliable operation and proper Electromagnetic Compatibility (EMC).
• Personnel Qualification: Only technically qualified personnel familiar with the product documentation and relevant safety standards should install, commission, and perform maintenance on the CPU module.
• Industrial Security: The CPU is a critical control asset. It must be protected by implementing a layered Industrial Security concept, including network segmentation, access control lists, and firewalls.

Product Applications

The flexibility and performance of the Siemens Processor Module make it suitable for automating a wide range of control tasks globally:

• Discrete Manufacturing: High-speed packaging lines, automotive body shops, complex assembly machines, and small to medium-sized machine tools.
• Process Control: Batch process automation in pharmaceuticals, chemicals, food and beverage production, and long-distance pipeline monitoring.
• Infrastructure: Traffic control systems, utility distribution (power, gas, water), and modern building automation and climate control systems.
• Motion and Robotics: Coordinated motion control for multi-axis systems, gantry loaders, and synchronization of multiple drives within a machine.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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