Schneider 140CPU67160 PLC Modicon Quantum | CPU Module

The Schneider 140CPU67160 is a Unity hot-standby processor for the Modicon Quantum automation platform. Equipped with multimode Ethernet, 1024 kB memory and a 266 MHz clock frequency, it is suitable for high-reliability control scenarios in the industrial automation field.

Specifications and Parameters

Hardware and Performance

• Processor Configuration: 266 MHz clock frequency, with mathematical coprocessor, supporting hot-standby protocol.
• Memory Structure: 1024 kB internal RAM (512 kB for data storage), expandable via PCMCIA card to 7168 kB program memory and 8 MB file storage.
• Instruction Execution Efficiency: 15 Kinst/ms (65% Boolean + 35% numeric instructions), up to 20 Kinst/ms for pure Boolean instructions.

I/O Capability

• Discrete I/O:
• thernet remote I/O: Unrestricted (up to 31 branches, 28 slots per branch), local I/O disabled in hot-standby applications.
• Distributed Modbus Plus network: 31744 inputs/outputs per network.
• Analog I/O:
• Ethernet remote I/O: Unrestricted (31 branches × 28 slots), local I/O disabled in hot-standby applications.
• Distributed Modbus Plus network: 1984 inputs/outputs per network.
• Special Function I/O: Integrated serial links, high-speed interrupt inputs (supporting precise timestamps).

Communication and Networking

• Built-in Interfaces: 1 Modbus Plus, 1 Modbus (RS232/485), 1 USB, 1 multimode fiber interface (for hot-standby master-slave interconnection, up to 4 km).
• Expansion Modules: Supports 6 optional modules (Ethernet, Modbus, Modbus Plus, Profibus DP, Sy/Max).
• Connectivity:
• Local: 6 Ethernet TCP/IP, 6 Modbus Plus, 6 Profibus DP connections.

• Distributed/remote: Supports networks like AS-Interface.

Data Sheet

140CPU67160.pdf

Hot-Standby Features

• Enables master-slave PLC interconnection via MT-RJ fiber interface.
• Certain functions (e.g., fast tasks, I/O interrupt tasks) are disabled in hot-standby mode.

Electrical and Environmental Parameters

• Power Requirement: Backplane current 2500 mA, external power supply needed.
• Certifications: UL, CE, CSA, GOST certified; RoHS compliant (since 0901); SVHC-free per REACH; green environmental product.

Physical Characteristics

• Installation: Fits 2/3/4/6/10/16-slot racks, supports 2 local racks.
• Interface Types: RJ45 (Modbus bus), SUB-D 9 (Modbus Plus), MT-RJ (fiber).

• Status Indicators: Ethernet activity (green LED), Ethernet collision (red LED).

The 140CPU67160 finds extensive applications in the industrial sector, effectively addressing issues such as equipment upgrading and stable system operation, while enhancing production efficiency and equipment reliability. Specific application cases are as follows:

PLC Upgrading and Reconstruction of the Third-phase Ash Handling and Conveying System

In the third-phase ash handling PLC system of a certain company, the original CPU unit had insufficient performance, leading to a high CPU load rate. The main-backup redundancy of some systems could not be normally activated, forcing single-series operation and posing a risk of equipment failure. Therefore, the original 140CPU43412A controller was upgraded to the 140CPU67160, the lower-level software was updated to UNITY, and relevant logic programs were rewritten. After the upgrade, both main and backup controllers passed testing, and the third-phase ash handling and conveying PLC control system resumed dual-series operation, significantly improving system stability and equipment reliability.

Technical Transformation of ETS Control System for 600MW Unit

The ETS control system of a 600MW unit in a power plant suffered from equipment aging, poor anti-interference capability, and frequent communication interruptions. The hardware was upgraded and software optimized by adopting the 140CPU67160's built-in hot standby function, integrated communication, and dual-redundancy CPU controller. This technical application ensured the stable operation of the unit, improved the intelligence level of the unit control system, reduced maintenance intensity, and achieved good technical and economic benefits.

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