ABB UFC911B101 3BHE037864R0101

The UFC911B101, also known as the Power Interface Board Module, is a high-performance control motherboard designed by ABB for its AC800F series PLCs. It is engineered to implement power distribution, signal acquisition, and control command output in industrial field environments. Equipped with redundancy functionality, this module enhances system availability and reliability, making it ideal for large-scale DCS expansion and lifecycle maintenance scenarios.

Key Technical Specifications

• Operating Voltage: 24 V DC (industrial standard)
• Input Voltage Range: 220 V DC
• Operating Temperature Range: -20 °C to +70 °C
• Protection Rating: IP20 (for cabinet internal use) / IP65 (with enclosure protection)
• Input Current: 15 mA; Output Current: 3 A
• Constructed with high-quality electronic components, it features multiple communication interfaces (including RS‑232, RS‑485, and Ethernet) as well as digital/analog I/O capabilities.

Product Features

1. High Reliability
    

   Built with industrial-grade components and rigorous manufacturing processes, the module ensures long-term stable operation even in harsh industrial environments.

2. Versatility
    

   It supports power control, fault diagnosis, and programmable control functions, while being compatible with a wide range of fieldbuses and communication protocols.

3. Redundant Design
    

   Integrated redundant power supplies and signal paths guarantee high availability for mission-critical systems, minimizing downtime risks.

4. Easy Installation & Maintenance
    

   With a compact structure and simplified wiring, it adopts plug-and-play connection methods. Routine maintenance only requires periodic status checks and cleaning.

5. Scalability
    

   Functionalities can be flexibly expanded via programming and configuration, with support for remote diagnosis and maintenance to optimize operational efficiency.

Structure and Components

• Motherboard: The core control circuit that integrates a processor, memory, and power management unit, serving as the module’s command center.
• Communication Interface Area: Provides various fieldbus interfaces such as RS‑232, RS‑485, and Ethernet for seamless data exchange with other devices.
• I/O Interface Area: Features digital input/output and analog input/output terminals for connecting sensors and actuators in industrial control loops.
• Power Module: Incorporates internal power conversion and protection circuits to meet 24 V DC power supply requirements, with overvoltage and overcurrent protection mechanisms.
• Enclosure: A metal or high-strength plastic housing that achieves IP65 protection rating, subject to specific installation environment requirements.

Typical Application Fields

• Large-scale process control systems (petrochemical, chemical, and metallurgical industries)
• Power distribution and monitoring systems
• Machinery manufacturing and automated production lines
• Critical industrial facilities requiring high reliability and redundant protection

Installation Guidelines

1. Follow the installation manual provided by ABB to secure the module, ensuring firm fixation and proper grounding to prevent electrical hazards.
2. Check the voltage range and polarity before connecting the power supply to avoid reverse connection damage.
3. Use recommended wiring terminals and cables to maintain signal integrity and transmission stability.
4. Conduct a power-on self-test after wiring is completed, verifying that all indicator lights and diagnostic information display normal status.

Maintenance Recommendations

1. Regularly inspect the module surface for dust accumulation, corrosion, or mechanical damage that may affect performance.
2. Monitor operating temperature and current to ensure the module runs within rated ranges at all times.
3. In case of abnormal alarms or faults, refer to the ABB Fault Diagnosis Manual for troubleshooting. Contact ABB technical support or professional maintenance personnel if necessary.
4. Utilize the remote diagnosis function to detect potential issues in advance and reduce the risk of unexpected system downtime.

If you would like to learn more about our products and services, please feel free to contact us at any time!

• Sales Manager : Jinny
• Email : sales5@xrjdcs.com
• Whatsapp/Mobile:+86 15359273791

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