ABB CMIB-11C 3AUA0000041488 Microcontroller Interface Board

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• Product Overview

  The ABB CMIB-11C (3AUA0000041488) is a high-performance microcontroller interface board designed for industrial automation systems, distribution equipment, and circuit breaker control. It enables signal interaction and logic control between the microcontroller and the main system. The interface board supports multiple digital and analog inputs/outputs, provides fast response, and ensures reliable data transmission, enhancing the intelligence and stability of industrial control systems.

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  Technical Specifications

  • Model: CMIB-11C

  • ABB Part Number: 3AUA0000041488

  • Type: Microcontroller Interface Board

  • Input/Output Interfaces:

    • Digital Input (DI): 8–16 channels

    • Digital Output (DO): 4–8 channels

    • Analog Input (AI): 2–4 channels

  • Communication Interface: RS485, Modbus, or CAN (version dependent)

  • Supply Voltage: 24 V DC

  • Response Time: ≤ 10 ms

  • Operating Temperature: -25°C to +70°C

  • Protection Class: IP20

  • Mounting: DIN rail

  • Standards & Certifications: IEC/EN 60947, CE

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  Features & Advantages

  • High reliability for stable operation in harsh industrial environments

  • Multi-functional I/O for flexible control applications

  • Fast response ensures system real-time performance and control accuracy

  • Easy integration with distribution systems, circuit breakers, and PLCs

  • Modular design for simple installation, maintenance, and expansion

  • Supports intelligent control including logic processing, status monitoring, and alarm functions

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  Application Areas

  • Industrial automation control systems

  • Distribution equipment and circuit breaker control

  • PLC signal extension and interface

  • Power monitoring and remote control systems

  • Machinery automation and production line control

  • Energy management and smart distribution systems

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  Precautions

  • Ensure supply voltage and I/O interfaces match the system before installation.

  • Perform installation and maintenance only in a de-energized state.

  • Avoid high temperature, high humidity, or corrosive environments; use protective housings if necessary.

  • Regularly inspect wiring and communication connections to ensure reliable operation.

  • Follow the product manual’s rated parameters and environmental requirements to ensure long-term stability.

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The structure and details of the product：

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