Schneider 140CPU65860 Modicon Quantum PLC CPU

Product Description

The 140CPU65860 from Schneider Electric’s Modicon Quantum platform is a high-performance Unity processor engineered for large-scale, distributed automation systems. Built with a 266 MHz processing core and over 11 MB of internal memory, it delivers fast execution, high I/O capacity, and reliable operation across complex industrial networks.

Designed for demanding control applications, this CPU supports multiple communication protocols and remote I/O architectures, making it suitable for process industries, infrastructure systems, and high-availability automation environments.

Key Technical Specifications

• Processor Speed: 266 MHz
• Internal Memory: 11 MB (approx. 11264 KB RAM for program and data)
• Expandable Storage: Up to 8 MB via PCMCIA card
• Instruction Processing Speed:
  • 10.28 K instructions/ms (100% Boolean)
  • 10.07 K instructions/ms (mixed logic)
• System Overhead:
  • 0.2 ms (fast task)
  • 1 ms (master task)

I/O Capacity

• Discrete I/O:
  • Up to 8000 inputs / 8000 outputs (Modbus Plus distributed)
  • Up to 31,744 inputs / outputs (remote I/O via S908)
  • Unlimited local I/O (up to 26 slots)
• Analog I/O:
  • 500 inputs / 500 outputs (distributed per Modbus Plus network)
  • Up to 1984 inputs / outputs (remote systems)

Network & Communication Support

• Integrated Ports:
  • 1 × Ethernet TCP/IP (RJ45)
  • 1 × Modbus (RJ45)
  • 1 × Modbus Plus (SUB-D 9)
  • 1 × USB
• Supported Protocols:
  • Ethernet TCP/IP
  • Modbus RTU/ASCII
  • Modbus Plus
  • Profibus DP
  • AS-Interface
  • Sy/Max
• Maximum Connections:
  • 6 Ethernet TCP/IP (local)
  • 6 Modbus Plus (local)
  • 6 Profibus DP (local)
  • 4 AS-Interface (remote)

System Architecture

• Local Racks: Up to 2
• Distributed I/O Stations: Up to 63 (Modbus Plus)
• Remote I/O Drops: Up to 31 per network
• Supported Topologies: Ethernet Quantum, X80, and S908 remote I/O

Task Management

• 1 cyclic master task
• 1 high-speed periodic task
• 128 I/O interrupt tasks
• 128 event interrupt tasks
• 32 timer interrupt tasks
• 4 auxiliary background tasks

Electrical & Mechanical Data

• Bus Current Consumption: 2760 mA
• Slot Compatibility: Configurable (2–16 slot racks)
• Key Switch: Memory protection and control
• Protective Coating: Humiseal 1A33 conformal coating

Diagnostics & Indicators

• LED indicators for Ethernet activity and collision status
• Built-in diagnostics for process control and communication monitoring

Certifications & Standards

• UL, CSA, CE, GOST
• Hazardous location (HazLoc) compliant
• Marine certification (Misc category)

Applications

• Distributed process control systems
• Power generation and energy management
• Water and wastewater treatment
• Oil & gas automation
• Large-scale manufacturing lines

FAQ

Q: What programming environment is supported? A: The 140CPU65860 is designed for use with Unity Pro (now EcoStruxure Control Expert), supporting IEC 61131-3 programming languages.

Q: Can this CPU handle redundant systems? A: Yes, it supports architectures that enable high availability and redundancy through network design and distributed I/O configurations.

Q: Is memory expandable? A: Yes, additional file storage can be added using a PCMCIA memory card (up to 8 MB).

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