ABB UFC760BE43 / 3BHE004573R0043

Model: UFC760BE43

Order No.: 3BHE004573R0043

Type: Main Circuit Interface / Drive Control Board of ABB UFC760 Series, applied to high-voltage frequency conversion, generator excitation and DCS systems.

## I. Basic Information

Brand: ABB (Origin: Switzerland / USA)

Series: UFC760 (Drive Control / Main Circuit Interface)

Functional Positioning: DSP Main Control + Power Unit Drive + IO Interface + Communication Gateway + Fault Protection

Applicable Systems: ACS1000/5000 High-Voltage Inverter, Generator Excitation System, Symphony/800xA DCS

## II. Core Technical Parameters

### 1. Processor & Performance

CPU: 32-bit DSP (Digital Signal Processor)

Control Algorithm: Vector Control, Current/Speed Closed Loop, Micro-step Drive

Memory: Onboard Flash/RAM, parameter retention upon power off

### 2. Power Supply & Power Consumption

Input: 24 V DC (18–32 V DC), backplane power supply; Drive side: 20–60 V DC

Power Consumption: Approx. 10–15 W (Typical)

### 3. I/O Interface

Digital Input DI: 32 channels, 24 V DC (Optocoupler Isolation)

Digital Output DO: 32 channels, 24 V DC / Relay

Analog Input AI: 8 channels, 4–20 mA / 0–10 V

Analog Output AO: 4 channels, 4–20 mA / 0–10 V

Main Circuit Interface: High-voltage inverter power unit drive interface

Isolation Withstand Voltage: Input-Output 1500 V, Input-Power 1000 V

### 4. Drive Capability (Stepper / Servo)

Compatible Motor: Three-phase Hybrid Stepper Motor (Outer diameter: 42–86 mm)

Drive Current: ≤5.9 A (RMS, adjustable)

Micro-step: 16-gear constant torque micro-step, maximum 200 micro-steps

Pulse Response: Up to 400 Kpps

Automatic Half Current: Current halts after stop duration over 400 ms (Energy saving and heat reduction)

### 5. Communication

Ethernet: 10/100 Mbps (Modbus TCP, EtherNet/IP)

Serial Port: RS-232/RS-485 (Modbus RTU)

Fieldbus: PROFIBUS DP-V1

Backplane Bus: ABB dedicated redundant bus (Supports dual-unit hot standby)

### 6. Environmental & Mechanical Specifications

Operating Temperature: ‑20 ℃ ~ +60 ℃

Storage Temperature: ‑40 ℃ ~ +85 ℃

Relative Humidity: 5%～95% (Non-condensing)

Ingress Protection: IP20 (Cabinet installation)

Dimensions (Width × Height × Depth): Approx. 176 × 64 × 25 mm

Weight: Approx. 0.41–0.54 kg

Certifications: CE, UL, TUV

## III. Model Definition

UFC760BE43

UFC: Universal Field Controller

760: Drive Control / Main Circuit Interface Series

BE: Hardware Variant (B = Standard Drive, E = Enhanced IO + Communication)

43: Version Number (High-voltage Drive + Multi-channel IO)