Mistsubishi FX3U-128MR Central control module

Mitsubishi CPU Modules Overview

Mitsubishi Electric offers a wide range of Central Processing Unit (CPU) modules for their Programmable Logic Controller (PLC) systems. These CPU modules are the core of the PLC system, responsible for executing user programs, processing input/output signals, and communicating with other automation components. Mitsubishi Electric's CPU modules are known for their reliability, performance, and extensive functionality, making them suitable for various industrial automation applications.

Product Detailed Description

• Function:

• Executes user-written control programs.

• Processes signals from input modules.

• Controls signals to output modules.

• Manages communication with local and remote I/O, network devices, and other control systems.

• Provides diagnostic and monitoring functions.

• Features:

• Wide Performance Range: Offers different processing speeds, memory capacities, and feature sets to suit various application needs.

• Multiple Series: Includes MELSEC iQ-R, iQ-F, Q, L, and FX series, each tailored for specific application scopes and complexities.

• Built-in Functions: Some models may include built-in Ethernet interfaces, SD/SDHC card slots, high-speed counters, positioning control, etc.

• Safety Functions: Certain high-end CPU modules support safety control functions, complying with relevant safety standards.

• Programming Flexibility: Supports multiple programming languages such as Ladder Diagram (LD), Instruction List (IL), Function Block Diagram (FBD), Structured Text (ST), and Sequential Function Char ¹ t (SFC).

Product Parameters

As Mitsubishi Electric offers a wide variety of CPU modules, the following are some general parameters. Always refer to the official datasheet for the specific model:

• Series:

• MELSEC iQ-R, iQ-F, Q, L, FX (e.g., iQ-R00CPU, FX5U-32MR/ES, Q03UDCPU).

• Program Capacity:

• Indicated in steps or bytes, representing the size of the storable user program.

• Data Memory Capacity:

• Used to store data generated during program execution.

• Processing Speed:

• Instruction execution speed, typically expressed in execution time per basic instruction (ns).

• Built-in Interfaces:

• E.g., Ethernet, RS-232, RS-485, USB.

• I/O Control Points:

• The maximum number of I/O points that the CPU module can directly or indirectly control through expansion modules.

• Number of Special Function Modules:

• The maximum number of special function modules (e.g., analog input/output, positioning modules) that the CPU module can connect to.

• Power Supply:

• Operating voltage (e.g., 24 V DC).

• Dimensions and Weight:

• Mounting dimensions and module weight.

• Operating Temperature:

• Allowable operating temperature range.

• Standards Compliance:

• Certifications for various industrial and safety standards.

Product Advantages

• High Reliability:

• Mitsubishi Electric has a long history and a strong reputation in industrial automation, and their CPU modules are known for high reliability and stability.

• Excellent Performance:

• Offers a wide range of performance levels to meet the control requirements of different applications.

• Rich Functionality:

• Many CPU modules integrate multiple functions, reducing the need for additional hardware.

• Easy Programming and Maintenance:

• Uses Mitsubishi Electric's intuitive programming software (e.g., GX Works3), facilitating program development, debugging, and maintenance.

• Powerful Expandability:

• Supports the expansion of various I/O modules and special function modules to adapt to evolving application needs.

• Global Support:

• Mitsubishi Electric provides comprehensive technical support and after-sales service worldwide.

Precautions

• Correct Model Selection:

• Choose the appropriate CPU module based on the application's scale, complexity, required processing power, number of I/O points, and special functions.

• Correct Installation:

• Follow Mitsubishi Electric's installation manual to ensure the module is correctly installed in the rack or control cabinet with adequate cooling.

• Power Requirements:

• Ensure the provided power supply meets the CPU module's specifications.

• Grounding:

• Perform proper grounding as required to prevent electromagnetic interference and ensure safety.

• Programming Standards:

• Follow good programming practices to ensure program efficiency, readability, and maintainability.

• Regular Maintenance:

• Periodically check the connections and operating status of the CPU module, and perform maintenance or replacement as necessary.

Product Applications

Mitsubishi Electric's CPU modules are widely used in various industrial automation fields, including but not limited to:

• Factory Automation:

• Production line control, robot control, material handling systems.

• Process Automation:

• Process control in chemical, oil and gas, pharmaceutical, and food and beverage industries.

• Infrastructure:

• Water treatment, building automation, traffic control.

• Machinery Manufacturing:

• CNC machine tools, packaging machinery, printing machinery.

• Energy:

• Power system monitoring, renewable energy control.

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