Product Description

Overview

The TB810 (3BSE008560R1) by ABB is an advanced optical interface designed for S800 I/O and AC 800M automation systems. It converts standard ModuleBus electrical signals into optical signals, allowing for reliable interconnection of I/O clusters across extended distances. This module supports distributed plant architectures by enabling geographically separated I/O installations without compromising signal integrity or real-time performance.

Key Features

• Extended ModuleBus Reach: Optical connectivity allows ModuleBus expansion beyond cabinet boundaries up to 15 meters with Plastic Optical Fiber (POF) or further using Hard Clad Silica (HCS) fiber.

• Galvanic Isolation: Optical transmission ensures complete electrical separation, preventing EMI, RFI, and ground loop interference. Ideal for inter-cabinet connections powered by different sources.

• High-Speed Deterministic Data: Maintains the synchronous nature of ModuleBus communication with minimal latency, supporting real-time process control.

• Maintenance-Friendly Design: Integrated diagnostic LEDs indicate power and communication status, enabling rapid troubleshooting.

• Compact Form Factor: DIN-rail mountable (35 mm) for seamless integration into control panels.

Technical Specifications

Applications

The TB810 is commonly deployed in point-to-point or star network topologies within AC 800M systems. One unit connects to the controller or primary I/O cluster, linking via fiber to a remote TB810 or TB811 in secondary cabinets. This architecture supports distributed I/O setups in large plants, optimizing wiring and reducing electromagnetic interference.

FAQ

Q: Can TB810 be used with multiple remote I/O clusters?
A: Yes, it supports up to 7 linked clusters, allowing flexible distributed I/O configurations.

Q: What types of fiber can I use with TB810?
A: Both Plastic Optical Fiber (POF) and Hard Clad Silica (HCS) are compatible, depending on distance requirements.

Q: Is the module safe for electrically isolated cabinets?
A: Yes, optical transmission provides complete galvanic isolation, preventing potential difference issues.