ABB LXN1604-6 3BHL000986P7000 Fiber Optic I/O Interface Board in stock

ABB LXN1604-6 3BHL000986P7000 is a high-speed fiber optic I/O interface board designed for ABB high-power drive and power electronic control systems. It adopts optical signal transmission to isolate high voltage interference between main control unit and power unit, ensuring reliable signal transmission under harsh high-voltage industrial environments.

This board integrates multi-channel optical transceivers and signal processing circuits, supporting high-speed real-time control signal transmission. It is widely used as spare replacement part for medium voltage frequency converter, static excitation cabinet and power conversion equipment maintenance and retrofit projects.

Data Parameters

• 1. Brand: ABB.

• 2. Model: LXN1604-6, Part No:3BHL000986P7000.

• 3. Product Type: Fiber Optic I/O Interface Board.

• 4. Applicable Field: Medium voltage drive and power electronic control system.

• 5. Interface: Multi-channel fiber optic transceiver ports.

• 6. Signal Type: High-speed optical control and feedback signal.

• 7. Isolation: Complete electrical isolation via optical fiber transmission.

• 8. Power Supply: 24V DC.

• 9. Mounting: Rack plug-in installation inside power cabinet.

• 10. Operating Temperature: 0℃ ~ +60℃.

Core Functions

• 1. Convert electrical control signals into optical signals and transmit to high-voltage power unit through optical fiber.

• 2. Receive feedback optical signals from power unit and convert them into electrical signals for main controller processing.

• 3. Realize complete galvanic isolation between low-voltage control side and high-voltage power side to avoid surge damage.

• 4. Built-in channel diagnosis function to detect fiber breakage, signal loss and communication fault in real time.

• 5. Support high-speed synchronous signal transmission to meet the real-time control requirement of power electronic equipment.

Application Scenarios

• 1. Power plant medium voltage variable frequency drive cabinet fiber signal interface spare replacement.

• 2. Generator static excitation system control cabinet optical communication board maintenance.

• 3. Metallurgy rolling mill high-power medium voltage drive control system retrofit project.

• 4. Oil & gas industry high-power power conversion equipment signal isolation unit.

• 5. Legacy ABB power electronic control system spare parts inventory and upgrade project.

FAQ

• 1. Q: What is ABB LXN1604-6 3BHL000986P7000?
      A: It is fiber optic I/O interface board for ABB medium voltage drives, used for optical signal transmission and electrical isolation between controller and power unit.

• 2. Q: Why use fiber optic transmission for this board?
      A: Optical fiber can achieve full electrical isolation, effectively suppress high voltage interference and protect low voltage control circuit from high voltage surge.

• 3. Q: What fault can the built-in diagnosis function detect?
      A: It can monitor optical channel status, identify optical fiber disconnection, signal attenuation loss and abnormal communication in real time and trigger alarm.