FR-E740-2.2K-CHT MITSUBISHI

FR-E740-2.2K-CHT MITSUBISHI central processing unit

Product  Description：

Mitsubishi Electric offers a comprehensive range of Central Processing Units (CPUs) designed for Programmable Logic Controllers (PLCs), spanning from compact entry-level models to high-performance modular platforms. These CPUs act as the "brain" of the industrial automation system, executing control logic, managing data, and coordinating communication across the network. The primary lineups include the MELSEC iQ-R Series (next-generation flagship), the MELSEC-Q Series (versatile modular), the MELSEC-L Series (rack-free modular), and the MELSEC iQ-F/FX Series (compact).

Product Parameters

The technical specifications of Mitsubishi CPUs vary by series to meet different application scales. Below are the typical parameters found across the major high-end and compact lines.

Performance and Processing

• Instruction Execution Speed: High-end models like the iQ-R series feature LD instruction speeds as fast as 0.98 nanoseconds, while the Q series ranges around 1.9 nanoseconds.

• Program Capacity: Scalable options starting from 10K steps in compact models up to 1200K steps in high-capacity iQ-R process CPUs.

• Scan Time: Advanced models achieve ultra-fast scan times (e.g., 0.14 ms) to ensure high responsiveness for high-speed machinery.

Memory and Data Storage

• Internal Memory: Includes Program Memory, Device/Label Memory, and Data Memory. High-end CPUs often provide up to 5 MB to 20 MB of data storage.

• External Storage: Built-in SD/SDHC card slots for data logging, program backup, and recipe management.

• Device Memory: Large registers for word/bit data, typically supporting up to 60K words or more in Universal Q series models.

Communication and Interface

• Built-in Ports: Most modern CPUs include Ethernet (up to 1 Gbps on some iQ-R models), USB (for programming), and RS-485/RS-232 ports.

• Network Compatibility: Seamless integration with CC-Link IE, CC-Link, Ethernet/IP, and Modbus.

• Multi-CPU Support: Ability to install up to 4 CPUs on a single base unit (e.g., combining PLC, Motion, and Robot CPUs) for distributed processing.

Product Advantages

High-Speed Processing and Accuracy Mitsubishi CPUs are engineered for micro-scale processing, which dramatically reduces system cycle times. The high-speed system bus allows for synchronized control between multiple modules, improving the accuracy of motion and positioning tasks.

Scalability and Flexibility The iQ Platform allows users to mix and match different CPU types on the same backplane. You can integrate sequence control, motion control, and safety control into one hardware environment. This modularity means the system can grow from a few I/O points to several thousand without a complete redesign.

Enhanced Security and Intellectual Property Protection Modern Mitsubishi CPUs feature robust security measures, including hardware security keys. Without the authorized encrypted key, the CPU will not run, preventing unauthorized program copying or tampering. Multiple levels of password protection are also supported.

Reliability and Maintenance Features such as redundant CPU systems ensure that if one unit fails, the standby unit takes over within milliseconds without stopping the process. Furthermore, the CPUs support "hot-swapping," allowing modules to be replaced while the system is powered on, minimizing downtime.

Precautions for Use

Wiring and Noise Interference Control and communication cables must be kept at a minimum distance (typically 100mm) from main circuit lines or high-voltage power cables to prevent malfunction due to electromagnetic noise. All units should be individually grounded with a resistance of 100 ohms or less.

Environmental Constraints The equipment should be installed in a clean environment free from conductive dust, corrosive gases, and high vibrations. If used in a high-vibration environment, the modules must be secured with screws to the base unit at the specified torque to prevent loose connections or short circuits.

System Safety Configuration The PLC should not be the sole safety mechanism. External emergency stop circuits, interlocks, and protection circuits must be configured outside the PLC to ensure the system remains safe even if the CPU fails or an output remains "ON" due to a hardware fault.

Operation and Programming Never write data to "system areas" or "prohibited areas" of the buffer memory, as this can cause unpredictable system behavior. Always verify the program using simulation tools or in a safe test environment before deploying it to live machinery.

Product Applications

Automotive Manufacturing Used extensively in assembly lines for body welding, painting, and powertrain assembly where high-speed synchronization between robotic arms and conveyors is required.

Semiconductor and Electronics The high-speed interrupt capabilities and precise motion control make these CPUs ideal for wafer handling, chip mounting, and high-accuracy inspection equipment.

Food and Beverage Packaging Utilized for high-speed bottling, labeling, and palletizing. The built-in data logging features help in maintaining quality traceability and recipe management.

Water Treatment and Infrastructure Redundant CPU configurations are applied in critical infrastructure such as water pumping stations and power distribution grids to ensure continuous operation and high reliability.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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