Schneider Electric 140CPU67160C Modicon Quantum PLC CPU

Product Description

The 140CPU67160C by Schneider Electric is a high-performance Unity processor from the Modicon Quantum platform, engineered for mission-critical control systems requiring continuous operation. Designed with Hot Standby redundancy, this processor ensures seamless failover between primary and secondary CPUs, minimizing downtime in demanding industrial environments.

Operating at 266 MHz, the processor supports complex automation tasks with high instruction throughput and robust communication capabilities across multiple industrial networks, including Ethernet TCP/IP, Modbus, Modbus Plus, and Profibus DP. Its conformal coating enhances durability in harsh environments such as marine, oil & gas, and chemical processing facilities.

Key Technical Specifications

• Model: 140CPU67160C
• Brand: Schneider Electric
• Product Series: Modicon Quantum
• Processor Type: Unity Hot Standby CPU
• Clock Speed: 266 MHz
• Internal Memory: 1024 kB RAM (512 kB data)
• Expandable Memory:
  • Up to 7168 kB (program) via PCMCIA
  • Up to 8 MB (file storage)
• Instruction Performance:
  • 10.28 Kinst/ms (Boolean)
  • 10.07 Kinst/ms (Mixed logic)

System Architecture & Capacity

• Local Racks: Up to 2
• Rack Slot Capacity: Configurations up to 16 slots
• Distributed I/O Stations: Up to 63 (Modbus Plus network)
• Remote I/O Stations:
  • 31 S908 remote I/O
  • 31 Ethernet Quantum remote I/O
  • 16 Ethernet X80 remote I/O
• Discrete I/O Capacity:
  • 31,744 inputs / 31,744 outputs (remote)
  • 8,000 inputs / 8,000 outputs per Modbus Plus network
• Analog I/O Capacity:
  • 1,984 inputs / outputs (remote)
  • 500 inputs / outputs per Modbus Plus network
• Local I/O: Not supported in Hot Standby mode

Communication Interfaces

• Integrated Ports:
  • 1 × Modbus Plus (SUB-D 9)
  • 1 × Modbus (RJ45)
  • 1 × USB
  • 1 × Fiber optic (MT-RJ, Hot Standby link up to 4 km)
• Optional Communication Modules (up to 6):
  • Ethernet TCP/IP
  • Modbus / Modbus Plus
  • Profibus DP
  • Sy/Max
• Maximum Connections:
  • 6 Ethernet networks
  • 6 Modbus Plus networks
  • 6 Profibus DP networks

Functional Capabilities

• Hot Standby redundancy with automatic switchover
• Ethernet routing functionality
• High-speed interrupt processing and event handling
• Time-stamping for precise process monitoring
• Serial communication support (Modbus ASCII/RTU)

Note: Advanced task types such as fast, interrupt, and auxiliary tasks are restricted in Hot Standby configurations to maintain system determinism.

Electrical & Mechanical Data

• Bus Current Consumption: 2500 mA
• Weight: 1.4 kg
• Dimensions (Package): 32.5 × 19.0 × 11.0 cm
• LED Indicators: Ethernet activity and collision status

Environmental & Compliance

• Protective Coating: Humiseal 1A33 (conformal coating)
• Certifications: CE, UL, CSA, ATEX Zone 2, IEC-Ex, Marine
• Standards Compliance: Hazardous Location (HazLoc)

Typical Applications

• Oil & gas process control systems
• Power generation and utilities
• Marine automation systems
• Large-scale distributed manufacturing lines
• Critical infrastructure requiring redundancy

FAQ

Q: Can local I/O modules be used with this processor? A: No, local I/O is disabled in Hot Standby configurations. Only remote and distributed I/O architectures are supported.

Q: What is the maximum redundancy distance between CPUs? A: The fiber optic Hot Standby link supports distances up to 4 km.

Q: Is memory expandable for large applications? A: Yes, program and storage memory can be expanded using PCMCIA cards.

Q: What is the recommended successor model? A: The updated replacement is BMEH584040C from the Modicon M580 series.