ABB TB840 3BSE021456R1 Modulebus Cluster Modem

Company Information
E-mail		[email protected]
Mobile		+8613666033393
Whatsapp		+8613666033393
WeChat		13666033393
Add		Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China

Product Description

The ABB TB840 3BSE021456R1 is an optical ModuleBus modem specifically designed for redundant configurations within the ABB S800 I/O system. It allows seamless optical communication between I/O clusters via ModuleBus in distributed and modular installations. The TB840 operates as an interface unit for the electrical and optical ModuleBus, enhancing reliability and flexibility in field I/O systems, especially where long-distance or high-integrity communication is required.

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Technical Specifications

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Applications

• Distributed control systems using ABB’s 800xA or Advant Master

• Redundant field I/O setups requiring high communication reliability

• Industrial automation systems with remote or harsh environment installations

• Long-distance I/O expansion using optical media converters and modems

• Communication bridging in energy, chemical, oil & gas, and manufacturing sectors

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Advantages

• High Reliability: Ensures robust communication via optical redundancy

• Compact Form Factor: Small footprint ideal for space-constrained panels

• Flexible Integration: Compatible with S800 I/O clusters and fieldbus interfaces

• Electrically Isolated: Enhances safety and reduces interference

• DIN Rail Mounting: Quick and easy installation

• Redundant Configuration Support: Increases system uptime and fault tolerance

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Frequently Asked Questions (FAQ)

Q1: What is the function of the TB840?
A1: It acts as a redundant optical modem enabling communication between S800 I/O clusters via the ModuleBus.

Q2: Is the TB840 suitable for non-redundant systems?
A2: It is primarily designed for redundant applications, but can operate in certain non-redundant setups if properly configured.

Q3: What power supply is needed for TB840?
A3: It requires a 24 V DC power supply, with an acceptable range of 19.2 to 30 V DC.

Q4: Can TB840 be hot-swapped?
A4: Yes, it supports hot swapping when used with compatible S800 I/O modules and termination units.

Q5: What type of fiber cables are compatible?
A5: Supports plastic fiber (up to 15 m), HCS glass fiber (up to 200 m), and with converters, ST glass fiber (up to 1000 m).

Q6: Is TB840 compatible with PROFIBUS or AF100?
A6: It connects ModuleBus segments and works with FCIs that support PROFIBUS or AF100.

Q7: What are the environmental compliance ratings?
A7: It is G3-compliant, suitable for harsh industrial environments (ISA-S71.04 level).

Q8: How is the TB840 installed?
A8: It is DIN rail mountable, making installation quick and standardized.

Q9: Does it support redundant I/O modules?
A9: Yes, it supports redundant I/O setups in combination with appropriate MTUs and CI interfaces.

Q10: Can TB840 be used in safety-critical environments?
A10: Yes, particularly when combined with certified SIL3-rated S800 modules.

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Related or Similar Models (S800 I/O Series)

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Popular ABB Models (Same Brand)

Frequently Asked Questions (FAQ)

Q1: What is the function of the TB840?
A1: It acts as a redundant optical modem enabling communication between S800 I/O clusters via the ModuleBus.

Q2: Is the TB840 suitable for non-redundant systems?
A2: It is primarily designed for redundant applications, but can operate in certain non-redundant setups if properly configured.

Q3: What power supply is needed for TB840?
A3: It requires a 24 V DC power supply, with an acceptable range of 19.2 to 30 V DC.

Q4: Can TB840 be hot-swapped?
A4: Yes, it supports hot swapping when used with compatible S800 I/O modules and termination units.

Q5: What type of fiber cables are compatible?
A5: Supports plastic fiber (up to 15 m), HCS glass fiber (up to 200 m), and with converters, ST glass fiber (up to 1000 m).

Q6: Is TB840 compatible with PROFIBUS or AF100?
A6: It connects ModuleBus segments and works with FCIs that support PROFIBUS or AF100.

Q7: What are the environmental compliance ratings?
A7: It is G3-compliant, suitable for harsh industrial environments (ISA-S71.04 level).

Q8: How is the TB840 installed?
A8: It is DIN rail mountable, making installation quick and standardized.

Q9: Does it support redundant I/O modules?
A9: Yes, it supports redundant I/O setups in combination with appropriate MTUs and CI interfaces.

Q10: Can TB840 be used in safety-critical environments?
A10: Yes, particularly when combined with certified SIL3-rated S800 modules.

Related or Similar Models (S800 I/O Series)

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Popular ABB Models (Same Brand)

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