Schneider Electric 140CPU43412U Unity Processor | Quantum PLC

Schneider Electric 140CPU43412U – High-Speed Unity Quantum Processor

The 140CPU43412U Unity processor delivers exceptional performance for Modicon Quantum automation systems. With 1056 kB memory and 66 MHz clock speed, it handles complex control applications with precision and reliability.

Technical Specifications

• Brand: Schneider Electric
• Model: 140CPU43412U
• Series: Modicon Quantum Unity Processor
• Clock Frequency: 66 MHz
• Memory: 1056 kB internal RAM
• Discrete I/O Capacity: 31,744 inputs/outputs remote
• Analog I/O Capacity: 1,984 inputs/outputs remote
• Instruction Speed: 0.1-0.27 µs (floating point)
• Backplane Current: 1800 mA
• Operating Temperature: 0°C to 60°C (32°F to 140°F)
• Certifications: CSA, CE, UL, HazLoc
• Warranty: 12 months

Communication Capabilities

• Integrated Modbus Plus port (SUB-D 9 female)
• Dual Modbus ports (SUB-D 9 female)
• Support for Ethernet, Profibus DP, Sy/Max
• Serial link support (ASCII/RTU)
• Modbus TCP/IP connectivity

System Architecture

• Local Racks: Up to 2
• Remote I/O Stations: 31 S908 remote I/O
• Distributed I/O Stations: 63 Modbus Plus
• Optional Modules: 6 (Ethernet, Modbus Plus, Profibus DP)
• Chassis Slots: 2, 4, 6, 10, or 16 configurations

Task Management

• 1 cyclic/periodic master task
• 1 periodic fast task (0.2ms overhead)
• 16 timer interrupt tasks
• 64 I/O interrupt tasks
• 64 general interrupt tasks
• No auxiliary task required

Status Indicators

• RUN (green): CPU actively solving logic
• READY (green): Passed power-up diagnostics
• Modbus Plus (green): Communications active
• Modbus (green): Port communications active
• Memory Port (orange): Write-protected memory
• BAT LOW (red): Battery replacement needed
• ERROR A (red): Modbus Plus communication error

Shipping & Packaging

• Package Dimensions: 12.20″ × 6.10″ × 1.77″
• Package Weight: 21.4 oz (607 g)
• Shipping Methods: FedEx, UPS, DHL Express
• Origin: France (FR)
• Lead Time: Typically 3-7 business days

Frequently Asked Questions

• What is the instruction execution speed?
  It executes instructions in 0.1-0.27 µs for floating point operations.
• How many remote I/O stations can it support?
  It supports up to 31 S908 remote I/O stations and 63 Modbus Plus distributed stations.
• What communication protocols are integrated?
  It has integrated Modbus Plus and dual Modbus ports with support for additional protocols.
• What is the memory capacity?
  It features 1056 kB of internal RAM for program storage.
• Does it support high-speed applications?
  Yes, with 66 MHz clock speed and dedicated interrupt tasks for time-critical operations.

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