ABB TB820V2 Cluster Modem 3BSE013208R1

Brand: ABB

Product Series: System 800xA / S800 I/O System

Model: TB820V2 (Part Number: 3BSE013208R1)

Product Type: ModuleBus Cluster Modem

ABB TB820V2 Cluster Modem 3BSE013208R1

Technical Parameters:

Module Function: Acts as a high-speed communication gateway that extends the electrical ModuleBus of a central controller to remote I/O clusters via optical fiber links.

Optical Interface: Equipped with dual fiber-optic ports (Tx and Rx) supporting standard glass or plastic optical fiber cables for point-to-point or ring topology configurations.

Transmission Distance: Supports communication ranges from up to 15 meters using plastic optical fiber (POF) up to thousands of meters using standard glass optical fiber, depending on the network setup.

Data Rate: Operates at a deterministic 12.5 Mbps on the ModuleBus network layer to guarantee real-time, low-latency I/O telemetry processing.

I/O Capacity: Allows the connection of up to 12 remote I/O clusters to a single master controller link, with each cluster supporting up to 12 S800 I/O modules.

Galvanic Isolation: Absolute electrical isolation provided by the fiber-optic transmission medium, eliminating ground loops, lightning surge hazards, and common-mode noise.

Power Input: Powered via standard 24 VDC industrial control supply lines through the supporting Module Termination Unit (MTU).

Diagnostic Indicators: Front-panel LED display array showing real-time status metrics for power health, fiber link activity, and localized fault conditions.

Mechanical Configuration: Compact slide-in module design engineered for mounting on standard DIN-rails via a compatible MTU baseplate (such as the TU810, TU812, or TU814).

Industrial Sectors:

Process Automation Utilities (Petrochemical, Chemical, Refining, Oil & Gas), Conventional and Renewable Power Generation Stations, Water and Wastewater Treatment Plants, Heavy Metallurgical and Mining Facilities, and Pulp & Paper Mills.

Application Scenarios:

1. Distributed S800 I/O Cluster Linkage: Installed in central control cabinets to convert local copper-wire ModuleBus backplane signals into optical data streams, routing them out to remote S800 I/O clusters stationed across different processing zones.

2. High-Noise Environment Electrical Isolation: Deployed in environments subject to severe electromagnetic interference (EMI) or fluctuating ground potentials (such as near large variable frequency drives or high-voltage switchgear), ensuring clean, noise-free communication between the DCS and field instrumentation.

3. Long-Distance Marshalling Panel Bridging: Used to connect a central AC 800M controller to distributed field marshalling boxes located hundreds of meters away on the factory floor without data transmission attenuation or lag.

4. Redundant Network Infrastructure Extension: Integrated within high-availability industrial configurations to manage fiber-optic rings, preventing a full process line shutdown if a single fiber segment is accidentally cut or damaged.