Schneider Electric 140CPU53414A CPUs

Product Description

The 140CPU53414A is a high-performance, robust control processor from the Schneider Electric Modicon Quantum series. Powered by an Intel 586 DX 133 MHz engine with an integrated math coprocessor, this unit is engineered for large-scale, arithmetic-intensive industrial applications. With 2.7 MB of internal memory and specialized support for High-Speed Backplane (HSBY) data handling, it provides the speed and reliability required for complex manufacturing, energy, and infrastructure systems. While it focuses on traditional Modbus and Modbus Plus connectivity, its stable architecture makes it a legacy powerhouse for systems prioritizing proven uptime and secure, local control logic.

Technical Specifications

• Manufacturer: Schneider Electric

• Model Number: 140CPU53414A

• Series: Modicon Quantum

• Processor Type: Intel 586 DX (Pentium-class)

• Clock Speed: 133 MHz

• Math Coprocessor: Onboard (Integrated)

• Internal Memory: 2.7 MB

• HSBY Support: 128 KB unlocated data for High-Speed Backplane

• Communication Ports:

• 2 x Modbus RS-232 Ports

• 1 x Modbus Plus RS-485 Port

• Watchdog Timer: 250 ms (Software adjustable)

• Battery: 3V Lithium (1200 mAh) with 10-year shelf life

• Security: Integrated Key Switch for secure access control

• Remote I/O Support: Modbus Plus (Note: Does not support Ethernet RIO)

• Weight: Approx. 0.85 kg (1.87 lbs)

Key Performance & Reliability Features

• Efficient Data Processing: The 133 MHz clock speed ensures rapid execution of complex logic rungs, making it ideal for real-time decision-making in time-sensitive industrial environments.

• Substantial Memory Capacity: The 2.7 MB of onboard RAM allows for the storage of extensive automation programs and large data arrays without performance degradation.

• Advanced Safety & Security: Features a physical key switch to prevent unauthorized configuration changes and a software-adjustable watchdog timer to monitor system health and prevent runaway errors.

• Reliable Data Retention: The high-capacity 1200 mAh lithium battery ensures that critical application data and registers are preserved during power cycles or outages.