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ABB TB840 3BSE021456R1 Optical Cluster Modem

ABB CI920N 3BDS014113 Communication Interface for Industrial Automation

ABB TB840 3BSE021456R1 Optical Cluster Modem

Name: ABB TB840 3BSE021456R1 Optical Cluster Modem
Brand: ABB PLC
SKU: 3740
Availability: InStock
Rating: 5.0 (1 reviews)

Brand:ABB PLC
Item No.:TB840 3BSE021456R1
Product Origin:Sweden
Product Dimensions:119 × 96 × 54 mm
Product Weight:0.2 kg
Payment:T/T, Western Union, Credit Card
Goods_stock:15
Shipping Port:Xiamen, China
Lead Time:1-3 Days
Condition:Brand New And Original
Warranty:1 Year
Certificate:COO
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Product Details
Product Applications
Product Advantages
Technical FAQs
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Introduction

The ABB TB840 Optical Cluster Modem is a communication backbone component designed to support reliable, deterministic data exchange within clustered control system architectures. By using optical transmission, it enables stable communication between clustered modules while maintaining electrical isolation and resilience against industrial interference.

From a system architecture viewpoint, the TB840 is positioned as an infrastructure-level device rather than an application-layer controller. It plays a critical role in maintaining synchronization, data integrity, and availability across clustered systems where communication reliability directly affects control performance and system uptime.

Technical Specifications

Parameter	Description
Product Type	Optical Cluster Modem
Model	TB840 (3BSE021456R1)
Primary Function	Optical communication interface for clustered control systems
Mechanical Dimensions	119 × 96 × 54 mm (H x W x D)
Weight	0.2 kg
Mounting Method	Control cabinet or system frame
Communication Medium	Optical transmission
Electrical Isolation	Optical galvanic isolation
System Compatibility	ABB clustered control and modular automation platforms

Applications

Clustered controller systems requiring synchronized communication
High-availability automation systems with redundant architectures
Distributed control systems with optical backbone requirements
Industrial environments with high electromagnetic interference
Large-scale installations where communication stability is critical

Advantages

Ensures stable and deterministic communication in clustered systems
Provides strong immunity to electromagnetic interference
Supports high-availability and fault-tolerant architectures
Enhances system robustness through optical isolation
Integrates seamlessly with ABB clustered control platforms
Reduces communication-related failures in complex installations
Suitable for long-term continuous industrial operation
Simplifies the design of reliable clustered communication backbones

Technical FAQs

What is the primary role of the TB840?
It provides optical communication between clustered control system components.
Why is optical communication used in clustered systems?
To eliminate electromagnetic interference and grounding-related issues.
Does the TB840 perform control logic or data processing?
No, it operates purely as a communication interface.
Is it suitable for high-availability systems?
Yes, it is commonly used in fault-tolerant and redundant architectures.
Does it require software configuration?
Typically no; it operates at the communication hardware level.
Can it be used in harsh industrial environments?
Yes, it is designed for electrically noisy and demanding conditions.
Does it support continuous operation?
Yes, it is intended for 24/7 industrial use.
Can it improve overall system reliability?
Yes, by maintaining stable and interference-free communication paths.
Is maintenance intensive?
No, routine inspection of optical connections is usually sufficient.
What is the key benefit for system architects?
Reliable optical communication that supports scalable, clustered control system designs.

Sales and Business Development

Phone: +8617350837383
E-mail: [email protected]
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Address: Room 1001, Jiuzhou Commercial Building, Xiamen, Fujian Province, China