1 PCS new ABB Excitation Unit Main Board UNS 0880a-P V1 3BHB005922R0001 #LYQ007
1 PCS new ABB Excitation Unit Main Board UNS 0880a-P V1 3BHB005922R0001 #LYQ007
1 PCS new ABB Excitation Unit Main Board UNS 0880a-P V1 3BHB005922R0001 #LYQ007
Part Number: 3BHB005922R0001; Model: UNS 0880a-P, V1; Product Name: Excitation Unit Main Control Board
Brand: ABB (A Global Leader in Power and Automation Technologies)
Product Status: Mass Production Unit; Product Category: Excitation System Core Control Module, Optimized for Synchronous Motor Excitation Control
Core Application: Designed for ABB synchronous motor excitation systems, suitable for power generation, metallurgy, chemical, water treatment and other industrial fields. Responsible for excitation current regulation, field voltage control, system status monitoring, fault diagnosis and protection, coordinating with the main control system to ensure stable operation of synchronous motors, improve power factor and energy efficiency.
Core Features: High-Precision Excitation Regulation; Industrial-Grade Circuit Design; Strong Anti-Interference Capability; Multi-Signal Compatibility; Built-In Fault Diagnosis; Compact Mechanical Structure; High Compatibility with ABB Excitation Systems.
2. Core Performance Specifications (Ta = 25℃, Unless Otherwise Specified)
2.1 Electrical Performance Parameters
Excitation Control Range: Field Current 0 - 1000A DC (Configurable via Software); Field Voltage 0 - 500V DC (Adjustable); Regulation Accuracy: ±0.5% FS (Steady-State Condition);
Analog Input (AI): 6 Channels, Optically Isolated; Input Type: 4 - 20mA DC / 0 - 10V DC (Selectable); Measuring Accuracy: ±0.2% FS; Isolation Voltage: 2500Vrms (Per Channel);
Analog Output (AO): 4 Channels, Optically Isolated; Output Type: 4 - 20mA DC (Load ≤ 500Ω) / 0 - 10V DC (Load ≥ 10kΩ); Output Accuracy: ±0.3% FS;
Digital Input (DI): 12 Channels, Optically Isolated; Input Signal: 24V DC (PNP/NPN Selectable); Input Current: 4 - 10mA @ 24V DC; Response Time: ≤ 50μs; Protection: Short-Circuit Protected.
Digital Output (DO): 8 Channels, Relay Output; Rated Voltage: AC 250V / DC 30V; Maximum Output Current: 5A Per Channel; Response Time: ≤ 10ms; Overload Protection.
2.2 Communication & Control Parameters
Communication Interface: 1 × RS485 Port (Modbus RTU Protocol) / 1 × Ethernet Port (Profinet Optional); Baud Rate (RS485): 9600 - 115200 bps (Configurable); Data Bits: 7/8 Bits (Selectable); Parity Check: None/Even/Odd (Selectable);
Control Mode: Local Manual Control / Remote Automatic Control / External Signal Control (Switchable); Control Signal Delay: ≤ 1ms; Data Refresh Rate: ≥ 200Hz (Between Board and Main Control System); Address Setting: DIP Switch or Software Configurable (Address Range: 1 - 247).
2.3 Protection Functions
ESD Protection: ±15kV (Air), ±8kV (Contact) Per IEC 61000-4-2; Surge Protection: ±2kV (Line to Ground) Per IEC 61000-4-5; Overvoltage Protection: Field Voltage Overload Protection, Trigger Threshold 110% of Rated Voltage;
Over-Current Protection: Field Current Overload Protection, Trigger Threshold 115% of Rated Current, Automatic Current Limiting; Over-Temperature Protection: Built-In Temperature Sensor, Trigger Threshold +85℃, Alarm and Shutdown Protection; Reverse Polarity Protection: Power Input and Field Signal Reverse Polarity Protection, No Component Damage.
3. Hardware Configuration & Power Supply
3.1 Power Supply Parameters
Power Supply Source: Dual Power Input (Control Power + Driver Power); Control Power: DC 24V ±15%; Driver Power: DC 110V / 220V ±10%; Power Consumption: ≤ 30W (Typical, Full Load); ≤ 40W (Peak);
Power Interface: Industrial-Grade Plug-in Connector, Anti-Vibration and Anti-Disconnection Design; Power Ripple: ≤ 1% (Rated Voltage Input); Standby Current: ≤ 100mA @ 24V DC.
3.2 Mechanical & Installation Parameters
Dimensions (W × H × D): 150mm × 200mm × 30mm (Printed Circuit Board, PCB); Mounting Type: DIN Rail Mounting (35mm Standard DIN Rail) or Panel Mounting via Fixing Holes (Compatible with ABB Standard Excitation Cabinets);
Connector Type: Industrial-Grade Board-to-Wire Connectors, Gold-Plated Contacts for Anti-Corrosion and Stable Connection; Weight: ≤ 0.8kg (Net Weight, PCB Assembly); Installation Direction: Vertical or Horizontal (No Impact on Performance); PCB Coating: Conformal Coating for Moisture and Dust Resistance.
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