ABB UAD155A0111 (3BHE029110R0111) combined fast‑slow I/O peripheral box for AC800PEC platform, used for generator excitation and medium‑voltage converter signal interface.

Product Overview

• Part No: UAD155A0111, 3BHE029110R0111
• Brand: ABB
• Category: AC800PEC Combi I/O Box

• UAD155A0111 is a combined I/O peripheral unit for ABB AC800PEC control platform. It integrates high‑speed fast I/O for power‑electronic control loops and standard slow I/O for monitoring and interlock signals. It establishes signal connection between main processor and field sensors, actuators. Widely deployed in generator excitation, medium‑voltage drives and wind power converter systems.

• 
  

Core Features

• • Dual‑mode I/O: high‑speed fast I/O plus general slow I/O channels
• • Fiber‑optic interface for high‑speed power electronic control
• • Multiple terminal and D‑sub connectors for field wiring
• • Built‑in hardware self‑diagnosis and fault indication
• • Rack‑mount design, easy on‑site replacement and maintenance

• • Optimized for harsh power‑plant industrial environment

• 
  

Technical Specifications

• • Platform: ABB AC800PEC
• • Power Supply: 24 VDC
• • Mounting: Cabinet rack installation
• • Protection Class: IP20
• • Operating Temperature: 0℃ ~ +60℃

• • Application: Generator excitation, medium‑voltage converter, wind power converter

• 
  

Compatibility

• Matches AC800PEC main processor modules
• Fits UNITROL excitation system and PCS6000 medium‑voltage drive assemblies
• Works with ABB 800xA DCS for plant‑wide automation integration