ABB 3BSE022464R1 module bus optical port

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ABB 3BSE022464R1 Module Bus Optical Port

Core Product Features

• Bus Signal Conversion: Realizes bidirectional conversion between module bus electrical signals (e.g., ABB PROFIbus, Modbus) and optical signals, enabling optical fiber transmission of bus data—solving signal attenuation and interference issues of traditional electrical cable transmission.
• Long-Distance Communication: Supports long-distance data transmission over single-mode/multi-mode optical fibers, extending the module bus communication distance far beyond that of electrical cables (e.g., up to 2km for multi-mode fibers, 20km for single-mode fibers).
• Bus Expansion & Redundancy: Supports daisy-chain or ring network topology, enabling cascading of multiple ABB I/O modules or controllers; optional dual-optical-port redundancy design, automatically switching to standby optical links if the main link fails, ensuring uninterrupted bus communication.

Key Parameters

• Optical Port Specifications: 1 or 2 SC-type optical ports (optional dual-port for redundancy); supports single-mode (1310nm wavelength) / multi-mode (850nm wavelength) fibers, transmission rate up to 100Mbps.
• Bus Compatibility: Compatible with ABB module bus protocols (e.g., ABB AC 800M system bus), supports maximum 32 cascaded devices per bus segment.
• Transmission Performance: Signal attenuation ≤0.5dB/km (multi-mode), ≤0.3dB/km (single-mode); communication delay ≤1ms, packet loss rate <0.001% (stable optical link).
• Power & Environment: 24V DC input (18-30V DC), power consumption ≤4W; working temperature -30°C to +70°C, humidity 5%-95% (non-condensing); protection grade IP20.
• Physical Size: 90mm×75mm×22mm, DIN rail-mounted (35mm standard), compatible with ABB control cabinet integration.

Core Advantages

• Strong Anti-Interference: Optical signal transmission is immune to electromagnetic interference (EMI) from industrial equipment (e.g., motors, high-voltage cabinets) and radio frequency interference (RFI), ensuring stable bus communication in harsh electrical environments (e.g., steel plants, power stations).
• High Signal Integrity: Avoids signal crosstalk and attenuation of traditional copper cables, maintaining low bit error rate (BER ≤10⁻¹²) even in long-distance transmission—critical for precise synchronization of distributed control systems.
• Seamless ABB Integration: Designed for ABB automation systems, directly compatible with ABB controllers (e.g., PM860 series) and I/O modules (e.g., 086444-005), no additional protocol conversion required; supports ABB system configuration software for parameter setting.

Typical Applications

• Long-Distance DCS Deployment: In large chemical plants or oil refineries, connects centralized controllers and distributed I/O modules (e.g., on-site instrument cabinets) via optical fibers, solving long-distance communication issues of traditional copper cable buses.
• High-Interference Industrial Sites: In steel rolling workshops or electric vehicle manufacturing plants, uses optical signal transmission to avoid electromagnetic interference from large motors or welding equipment, ensuring stable data interaction between module buses.
• Redundant Bus Networks: In nuclear power or pharmaceutical industries (high-reliability requirements), deploys dual-optical-port redundancy to build ring bus networks, preventing bus communication interruption caused by single-link faults.

Usage Precautions

• Optical Fiber Installation: Use matching single-mode/multi-mode optical fibers (core diameter 50/62.5μm for multi-mode, 9μm for single-mode); ensure optical fiber connectors (SC) are clean (wipe with alcohol swabs before insertion) to avoid signal loss.
• Parameter Configuration: Set optical port parameters (wavelength, transmission rate) via ABB configuration software, matching with connected optical fiber type; enable redundancy function (if dual-port) and set link switching time (recommended ≤100ms).
• Maintenance: Regularly inspect optical ports for dust or damage (use compressed air to clean dust); avoid bending optical fibers excessively (minimum bending radius ≥30mm for multi-mode, ≥50mm for single-mode) to prevent fiber breakage. Do not look directly at the optical port during operation (to avoid eye injury from laser signals).

The structure and details of the product：

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