Model: UAD155A0111 3BHE029110R0111
UAD155A0111
Product Type: Logic Pulse Controller
Function speculation: Used to generate precise control signals, touch thyristors or IGBTs and other power devices, commonly found in high-voltage inverters, excitation systems or industrial power equipment.
3BHE029110R0111
Product Type: High-Speed I/O Module (High-speed Input/Output Module)
Function prediction: As a supporting module, it is responsible for rapid data interaction with UAD155A0111 controller, and supports real-time signal acquisition and command output.

UAD155A0111 3BHE029110R0111 is a logic pulse controller designed by ABB for industrial power electronic equipment. The core function is to generate high-precision pulse signals for power devices such as touch thyristor (SCR) and IGBT. Realize the precise control of power conversion system (such as frequency converter, excitation device, power supply equipment). Its combined design with high-speed I/O modules supports real-time signal processing and fast response, ensuring efficient execution of complex control algorithms.
Core characteristic
Precise pulse control
UAD155A0111 3BHE029110R0111 supports multiple independent pulse output, pulse width accuracy up to microsecond, suitable for different power device trigger requirements.
Built-in synchronization clock and phase compensation algorithm to ensure the phase consistency of multi-module working together.
High-speed signal interaction

The 3BHE029110R0111 high-speed I/O module enables sub-millisecond-level data acquisition and command transmission, which is suitable for dynamic response demanding scenarios (such as motor vector control, grid reactive power compensation).
Intelligent diagnosis and protection
Real-time monitoring pulse output status, device temperature and power supply voltage, providing overload, short circuit and other multiple protection functions.
Modular design
UAD155A0111 3BHE029110R0111 Supports hot swap, facilitates on-site maintenance and system expansion, and is compatible with mainstream ABB control systems, such as AC800M and DCS800.
Typical application scenario
Synchronous motor excitation system: precise control of excitation current to maintain stable motor operation.
High voltage inverter: Trigger IGBT module to achieve smooth motor speed regulation and energy feedback.
Industrial power equipment: Control thyristor rectifier/inverter, used in electroplating, welding and other power systems.
Reactive power compensation device: Drive thyristor switching reactor (TSC) or capacitor (TCR) to optimize the power factor of the grid.