Schneider 140CPU65260
1. Overview
Schneider 140CPU65260 is the core CPU processor module in Schneider Electric’s Modicon Quantum series. As the “brain” of the industrial automation system, it is responsible for executing complex control programs, managing system resources, and coordinating various I/O signals and communication tasks. This module is widely used in medium and large-scale industrial automation systems, especially in scenarios requiring high-performance computing and reliability.
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2. Core Specifications
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Parameter
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Specification/Description
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Processor
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266MHz Quantum Processor (some documents mention 1.2GHz dual-core or 1GHz 64-bit RISC, but the mainstream is 266MHz)
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Internal RAM
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3072KB
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Memory
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8GB
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Communication Interfaces
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1 x Ethernet, 1 x Modbus (RS-232/RS-485), 1 x Modbus Plus (RS-485), 1 x USB, 1 x RS-485, 1 x Profibus DP, 1 x Sy/Max
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Operating Temperature Range
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-20°C to +60°C
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Power Supply Voltage
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24V DC
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Dimensions
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130mm x 102mm x 45mm
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Weight
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500g
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3. Product Features
- High Performance and Real-Time Capability: Equipped with a high-performance processor and large-capacity memory, it can quickly and accurately process complex control tasks and a large amount of data operations, meeting the industrial control needs that require extremely high processing speed and precision.
- Modular Design: Supports flexible expansion and integration. Users can add or remove functional modules (such as Ethernet, Modbus Plus, Profibus DP, etc.) according to actual needs, simplifying system design and improving system maintainability and scalability.
- Diversified Communication Capabilities: Built-in multiple industrial communication interfaces, supporting Ethernet, Modbus, Modbus Plus, Profibus DP, Sy/Max and other protocols, making it easy to integrate into existing industrial network environments.
- Reliability and Safety: Features industrial-grade design with strong anti-interference ability, supporting redundant design and crash recovery functions to ensure stable operation in harsh environments and prevent data loss.
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4. Structure and Composition
- CPU Motherboard: The core computing unit responsible for program execution.
- Local Slots: Provides 2 local rack slots for installing expansion modules (such as I/O expansion cards).
- Communication Ports: Includes physical interfaces such as Ethernet, Modbus, USB, and RS-485.
- Indicators and Panel: Includes Ethernet collision indicator (red), Ethernet activity indicator (green), and other status indicators.
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5. Main Application Fields
- Manufacturing Industry: Automated production lines, robot control, etc.
- Energy Industry: Power monitoring, wind power control, etc.
- Transportation: Intelligent transportation systems, railway signal control, etc.
- Petrochemical Industry: Oil and gas exploration, processing, and chemical production.
- Metallurgy and Others: Steel production, textile, papermaking, food processing, etc.
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6. Installation and Maintenance Recommendations
- Compatibility Check: Before use, ensure that the module is compatible with other parts of the system (such as I/O expansion modules, communication networks) to avoid communication or data exchange issues.
- Strictly Follow Manual Operations: During installation and commissioning, strictly follow the operation manual and guidelines provided by Schneider to ensure correct system configuration and stable operation.
- Regular Maintenance: It is recommended to inspect the module regularly, especially checking the status of connecting cables and communication interfaces, as well as the operating temperature and indicator status of the module itself, to detect and solve potential problems in a timely manner.
- Environmental Adaptability: Ensure that the installation environment meets the requirements of the operating temperature range (-20°C to +60°C), and avoid long-term operation in extremely high or low temperature environments to prevent hardware failures.

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