Schneider Electric Quantum CPU | Model 140CPU43412U Processor

Schneider Electric 140CPU43412U Unity Processor for Modicon Quantum

The Schneider Electric 140CPU43412U is a high-performance Unity processor for the Modicon Quantum platform. Designed for demanding industrial automation, it delivers fast execution, extensive I/O capacity, and multi-protocol communication in a robust package.

Core Technical Specifications

• Model: 140CPU43412U
• Processor Speed: 66 MHz
• Internal RAM: 1056 kB
• Local I/O Capacity: Supports up to 26 local slots
• Distributed I/O: Up to 8000 inputs & 8000 outputs per Modbus Plus network
• Remote I/O: Up to 1984 analog and 31744 digital points
• Execution Speed: 0.1–0.27 µs (float), 0.12–0.585 µs (Boolean)
• System Tasks: 0.2 ms fast task, 1 ms master task overhead
• Power Draw: 1800 mA from backplane
• Operating Temp: -20°C to 60°C

Communication & Features

• Supported Protocols: Modbus, Modbus Plus, Ethernet TCP/IP, Profibus DP, AS-Interface
• Advanced I/O Functions: Supports serial links, counters, high-speed interrupts, and precise time stamping.
• Network Flexibility: Integrates seamlessly into diverse industrial networks for centralized control.

Frequently Asked Questions

• Q: What is the main role of the 140CPU43412U processor?
  A: It serves as the central brain for Modicon Quantum PLC systems, executing control logic and managing I/O, communication, and data handling for complex automation applications.
• Q: How much I/O can this processor handle?
  A: It supports extensive I/O, including up to 26 local modules, thousands of remote digital/analog points, and large distributed I/O networks via Modbus Plus.
• Q: What communication protocols are native to this CPU?
  A: It natively supports key industrial protocols including Modbus, Modbus Plus, Ethernet TCP/IP, Profibus DP, and AS-Interface for device-level connectivity.
• Q: What is the execution speed for control logic?
  A> It offers very fast scan times, executing Boolean operations in as little as 0.12 microseconds and floating-point math in 0.1 microseconds.
• Q: What is the operating temperature range?
  A: The CPU is designed for industrial environments with an operating temperature range of -20°C to 60°C.

Ordering & Support

• Product includes one 140CPU43412U Unity Processor module.
• Global express shipping via FedEx, UPS, or DHL is available.
• Comprehensive technical documentation and configuration guides are provided.

The Schneider Electric 140CPU43412U processor delivers the power and connectivity needed for high-performance industrial automation. Its speed, capacity, and protocol support make it ideal for complex control systems.

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