Brief Product Description

ABB UFC911B104 (3BHE037864R0104) is a core control board designed for the ABB ACS6080 high-power medium voltage converter system. It acts as the central logic and signal processing unit responsible for drive closed-loop control, signal sampling, fault monitoring and communication management. Built with high anti-interference performance to adapt to harsh high-power cabinet environments, this board executes advanced control algorithms, processes analog and digital feedback signals, and coordinates protection actions for the power stack. Fully tested surplus and refurbished UFC911B104 units are available for maintenance, replacement and retrofit of existing ACS6080 converter installations.

Product Number: 3BHE037864R0104

ABB model name: UF C911 B104

Table of Contents Description: UF C911 B104 CVMI2B

Detailed description: UF C911 B104

Component type: New

Sales unit: Pieces

Minimum order quantity :1 piece

Net weight of the product: 0.2 kilograms

Core Product Functions

• Main control and algorithm execution for ABB ACS6080 medium voltage high-power converters
• Real-time sampling and processing of voltage, current and temperature feedback signals
• Drive protection logic including overcurrent, overvoltage, overtemperature and short-circuit protection
• Digital and analog I/O signal acquisition and output for interlock and status feedback
• Internal high-speed communication between control board and power unit modules
• Fault event recording, alarm diagnosis and real-time operating status monitoring
• Supports parameter configuration, firmware upgrade and debugging via dedicated ABB software tools
• High electromagnetic compatibility design to resist interference inside high-power converter cabinets

• Coordinates multi-power-unit synchronous operation for high-power variable speed control

Application Scenarios

• ABB ACS6080 medium voltage high-power converter and variable frequency drive systems
• Large compressors, fans and pumps in power plant auxiliary systems
• Mining, metallurgy, oil & gas heavy-duty medium voltage motor drive equipment
• Industrial high-power variable speed control and energy-saving transformation projects
• On-site replacement of faulty control boards for existing ACS6080 converter cabinets
• Legacy ABB medium voltage converter maintenance, troubleshooting and system retrofit projects

FAQ (Frequently Asked Questions)

• Q: ACS6080 converter reports multiple faults after replacing UFC911B104?
  A: Check backplane connection, firmware version matching, signal cable wiring, parameter backup restoration and power unit communication status.
• Q: Does UFC911B104 support hot-swap replacement?
  A: Hot swap is forbidden. Cut off the main power supply, fully discharge DC bus and implement lockout-tagout before removing the board.
• Q: Can UFC911B104 be used on other ABB converter models?
  A: It is exclusively developed for ACS6080 series and not compatible with other ABB drive families.
• Q: What software tool is used for parameter setting and firmware update?
  A: Special ABB drive PC software is required for parameter download, fault trace and firmware upgrade of this control board.

• Q: Is ABB UFC911B104 3BHE037864R0104 available for new converter projects?
  A: This legacy control board is end-of-life for original new assembly. Only fully tested surplus and refurbished units are supplied for existing system maintenance and retrofits.

UFC911B104 3BHE037864R0104.pdf