1 PCS new ABB Excitation Unit Main Board UNS 0882A-PV1 3BHB006309R0001#LYQ007
1 PCS new ABB Excitation Unit Main Board UNS 0882A-PV1 3BHB006309R0001#LYQ007
1 PCS new ABB Excitation Unit Main Board UNS 0882A-PV1 3BHB006309R0001#LYQ007
Part Number: 3BHB006309R0001; Model: UNS 0882A-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: High-Performance Excitation System Core Control Module, Optimized for Medium-to-Large Synchronous Motor Excitation Control
Core Application: Specifically designed for ABB high-power synchronous motor excitation systems, widely applicable in power generation, metallurgy, petrochemical, large-scale water treatment, and heavy-duty industrial fields. It undertakes key tasks including high-precision excitation current regulation, field voltage stabilization control, real-time system status monitoring, multi-dimensional fault diagnosis and protection, and seamless coordination with the main control system to ensure long-term stable operation of synchronous motors, optimize power factor, and enhance overall energy efficiency.
Core Features: Ultra-High Precision Excitation Regulation; Enhanced Industrial-Grade Circuit Design; Reinforced Anti-Interference Capability; Extended Multi-Signal Compatibility; Advanced Built-In Fault Diagnosis (with Self-Recovery Function); Compact and Rugged Mechanical Structure; Full Compatibility with ABB New-Generation Excitation Systems.
2. Core Performance Specifications (Ta = 25℃, Unless Otherwise Specified)
2.1 Electrical Performance Parameters
Excitation Control Range: Field Current 0 - 1500A DC (Software Configurable, Stepless Adjustment); Field Voltage 0 - 600V DC (Precision Adjustable); Regulation Accuracy: ±0.3% FS (Steady-State Condition); Dynamic Response Time: ≤ 20ms (From No-Load to Full-Load).
Analog Input (AI): 8 Channels, Optically Isolated; Input Type: 4 - 20mA DC / 0 - 10V DC / ±10V DC (Selectable Per Channel); Measuring Accuracy: ±0.15% FS; Isolation Voltage: 3000Vrms (Per Channel, Continuous Operation).
Analog Output (AO): 6 Channels, Optically Isolated; Output Type: 4 - 20mA DC (Load ≤ 600Ω) / 0 - 10V DC (Load ≥ 10kΩ); Output Accuracy: ±0.2% FS; Output Ripple: ≤ 0.1% FS.
Digital Input (DI): 16 Channels, Optically Isolated; Input Signal: 24V DC (PNP/NPN Selectable via Software); Input Current: 3 - 10mA @ 24V DC; Response Time: ≤ 30μs; Protection: Short-Circuit Protected and Reverse Polarity Protected.
Digital Output (DO): 10 Channels, Relay Output (2 Channels High-Power Relay); Rated Voltage: AC 250V / DC 30V; Maximum Output Current: 8A Per Channel (High-Power Relay), 5A Per Channel (Standard Relay); Response Time: ≤ 8ms; Overload and Short-Circuit Protection.
2.2 Communication & Control Parameters
Communication Interface: 1 × RS485 Port (Modbus RTU Protocol) / 1 × Ethernet Port (Profinet / Ethernet/IP Optional); Baud Rate (RS485): 9600 - 115200 bps (Configurable); Data Bits: 7/8 Bits (Selectable); Parity Check: None/Even/Odd (Selectable); Communication Distance: Up to 1200m (RS485).
Control Mode: Local Manual Control / Remote Automatic Control / External Signal Control / Master-Slave Synchronous Control (Switchable); Control Signal Delay: ≤ 0.8ms; Data Refresh Rate: ≥ 300Hz (Between Board and Main Control System); Address Setting: DIP Switch or Software Configurable (Address Range: 1 - 247); Support for Real-Time Data Transmission and Remote Parameter Configuration.
2.3 Protection Functions
ESD Protection: ±15kV (Air), ±8kV (Contact) Per IEC 61000-4-2; Surge Protection: ±4kV (Line to Ground), ±2kV (Line to Line) Per IEC 61000-4-5; Overvoltage Protection: Field Voltage Overload Protection, Trigger Threshold 110% of Rated Voltage, Automatic Discharge Protection.
Over-Current Protection: Field Current Overload Protection, Trigger Threshold 115% of Rated Current, Automatic Current Limiting and Alarm; Over-Temperature Protection: Built-In Dual Temperature Sensors, Trigger Threshold +85℃ (Alarm), +90℃ (Shutdown Protection); Reverse Polarity Protection: Power Input, Field Signal and Communication Signal Reverse Polarity Protection, No Component Damage; Under-Voltage Protection: Trigger Threshold 80% of Rated Control Voltage.
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% (Selectable); Power Consumption: ≤ 35W (Typical, Full Load); ≤ 45W (Peak);
Power Interface: Industrial-Grade Locking Plug-in Connector, Anti-Vibration and Anti-Disconnection Design; Power Ripple: ≤ 0.8% (Rated Voltage Input); Standby Current: ≤ 80mA @ 24V DC; Power-On Delay: ≤ 2s.
3.2 Mechanical & Installation Parameters
Dimensions (W × H × D): 160mm × 210mm × 32mm (Printed Circuit Board, PCB); Mounting Type: DIN Rail Mounting (35mm Standard DIN Rail) or Panel Mounting via Fixing Holes (Fully Compatible with ABB Standard Excitation Cabinets);
Connector Type: Industrial-Grade Board-to-Wire Connectors, Gold-Plated Contacts for Anti-Corrosion, Stable Connection and Extended Service Life; Weight: ≤ 0.9kg (Net Weight, PCB Assembly); Installation Direction: Vertical or Horizontal (No Impact on Performance); PCB Coating: Three-Layer Conformal Coating for Moisture, Dust and Corrosion Resistance.
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