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ABB TB820V2 3BSE013208R1 Overview
The ABB TB820V2 (Part No. 3BSE013208R1) is a ModuleBus Cluster Modem used in the ABB Advant 800xA / S800 I/O systems. It serves as a communication bridge between the ModuleBus and fiber-optic bus, ensuring reliable data exchange within distributed control system (DCS) environments.
Main Functions
Bridges ModuleBus and fiber-optic bus, enabling interconnection across multiple bus segments.
Supports up to 12 I/O modules via the electrical ModuleBus and up to 7 clusters via the fiber-optic network.
Provides electrical and optical interfaces with galvanic isolation and independent power supply, ensuring system stability and safety.
Designed for industrial automation, building control, and energy management applications in distributed control networks.
Technical Specifications
| Item | Specification |
|---|---|
| Model / Part Number | TB820V2 / 3BSE013208R1 |
| Function Type | ModuleBus Cluster Modem |
| Communication Protocol | ModuleBus (up to 10 Mbit/s) |
| Interfaces | 1 electrical interface, 2 fiber-optic interfaces |
| Supported I/O Modules | Up to 12 (electrical bus) |
| Supported Fiber Clusters | Up to 7 (fiber bus) |
| Operating Voltage | 24 V DC (19.2 – 30 V) |
| Power Consumption | Approx. 6 W |
| Output Voltage / Current | Max 24 V, 1.4 A (1 A @ 5 V) |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | –40 °C to +70 °C |
| Protection Rating | IP20 (EN 60529) |
| Dimensions (W × D × H) | 58 mm × 122 mm × 170 mm |
| Weight | Approx. 0.2 – 0.3 kg |
| Certifications | CE, UL, ATEX, etc. |
| Applicable Systems | ABB Advant 800xA, Advant OCS, S800 I/O |
Typical Applications
Distributed Control Systems (DCS):
Acts as a core communication node within ABB 800xA / Advant platforms, linking multiple I/O modules and remote stations.
Fieldbus Extension:
Enables long-distance, noise-resistant data transmission over optical fiber, ideal for large-scale plants and multi-site layouts.
Redundant / Fault-Tolerant Design:
Includes power monitoring and isolation features to enhance system reliability and availability.
Summary
The ABB TB820V2 3BSE013208R1 is a fiber-optic / electrical dual-interface cluster modem purpose-built for ABB ModuleBus systems. It enables reliable multi-segment bus interconnection in industrial automation networks and features wide operating temperature range, IP20 protection, standardized power design, and international certifications.
It is well-suited for high-reliability, scalable control systems requiring robust and expandable communication infrastructure..jpg)
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