Product Overview
The ABB TB842 (3BSE022464R1) is a module designed for use in the ABB AC 800M controller family, functioning primarily as a system termination 台 (TU) within the I/O subsystem. It facilitates signal interfacing between field devices and the controller via S800 I/O modules. The TB842 supports redundancy, hot swapping, and is tailored for high-reliability, high-availability applications in process automation environments.
Its compact design and robust performance make it suitable for integration into various industries, including oil & gas, power generation, chemicals, and manufacturing. The TB842 also enables connection to PROFIBUS DP via communication interface modules such as CI840A and CI854A.
Technical Specifications
| Parameter | Details |
|---|---|
| Product モデル | TB842 |
| ABB 型番 | 3BSE022464R1 |
| Product Type | Termination ユニット (TU) |
| サポートed Systems | AC 800M, S800 I/O |
| Communication Interface | For use with CI840A, CI854A |
| Mounting | DIN rail |
| Redundancy サポート | Yes |
| Hot Swap Capability | Yes |
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% non-condensing |
| Protection Class | IP20 |
| Dimensions | 17.6x 56.7x 42.3mm |
| 重量 | 0.09 kg |
| Housing Material | Polycarbonate, flame-retardant |
| Electrical Isolation | Yes, channel-to-channel and to system |
| Certifications | CE, RoHS, UL, cUL, Marine approval (ABS, DNV-GL) |
Product Advantages
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High Reliability: Designed for mission-critical environments with redundancy and hot-swappable features.
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Modular Architecture: サポートs flexible configuration and easy integration within AC 800M-based control systems.
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Compatibility: Works seamlessly with various S800 I/O modules and communication interfaces.
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Space-Efficient: Compact DIN rail mounting design saves panel space.
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Industrial Durability: Operates across a wide temperature range and withstands harsh conditions.
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Reduced Downtime: Hot-swap and redundancy features minimize operational interruptions.
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Certified Safety: Complies with international industrial certifications and safety standards.
Application Areas
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Power Plants: For turbine control, boiler automation, and auxiliary equipment.
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Oil & Gas Facilities: Used in control systems for refineries and /fshore platforms.
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Chemical Processing: Integration into process control systems with hazardous area compliance.
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Water & Wastewater Treatment: Applied in monitoring and automation systems.
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Pulp & Paper Industry: For continuous process control and monitoring.
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Marine Automation: Approved for use in shipboard control systems.
10 Product FAQs
Q1: What is the primary function / the TB842 module?
A1: The TB842 serves as a system termination 台 for connecting I/O modules to field signals and controllers within ABB’s S800 I/O system.
Q2: Is the TB842 hot-swappable?
A2: Yes, the module supports hot swapping, which allows for replacement without shutting down the system.
Q3: Can TB842 be used in redundant configurations?
A3: Yes, it supports redundancy for high availability systems.
Q4: Which communication modules are compatible with TB842?
A4: It is commonly used with CI840A and CI854A for PROFIBUS DP communication.
Q5: What protection level does the TB842 have?
A5: It has an IP20 protection class, suitable for indoor cabinet installation.
Q6: How is the TB842 mounted?
A6: The 台 is designed for DIN rail mounting.
Q7: Is there electrical isolation between the channels and the system?
A7: Yes, the module provides galvanic isolation.
Q8: What environmental conditions can it operate in?
A8: It supports operation from -25°C to +70°C, and storage down to -40°C.
Q9: Can TB842 be used in marine environments?
A9: Yes, it has marine approvals such as ABS and DNV-GL.
Q10: What is the approximate weight / the TB842 module?
A10: The weight is 0.09 kg.
Related モデルs (Same Series or Functionally Similar)
| モデル | 説明 | Use Case |
|---|---|---|
| TB801 | Termination 台 for S800 I/O | Basic field connection |
| TB802 | Extended TU with enhanced grounding | Critical I/O grounding applications |
| TB840A | TU for CI840A communication interface | Used in PROFIBUS applications |
| TB846 | High-reliability termination 台 | Redundant systems |
| TU830V1 | Extended termination 台 | Multipoint I/O connection |
| TU835V1 | Compact TU for analog/digital signals | Space-constrained control panels |
Popular ABB Modules (Same ブランド, High Demand)
| モデル | 説明 | Dimensions (mm) | 重量 (kg) |
|---|---|---|---|
| AI810 | Analog input module 8 channels | 135 × 59.5 × 133.5 | 0.3 |
| DO810 | Digital output module 16 channels | 135 × 59.5 × 133.5 | 0.3 |
| DI820 | Digital input module 16 channels | 135 × 59.5 × 133.5 | 0.3 |
| CI854A | PROFIBUS DP communication interface | 185 × 59.5 × 133.5 | 0.4 |
| PM864AK01 | AC 800M CPU module | 180 × 87 × 110 | 0.7 |
| PM861AK01 | Compact CPU with redundancy support | 180 × 87 × 110 | 0.6 |
| TU849 | TU for redundant I/O configurations | 135 × 59.5 × 133.5 | 0.4 |
| SD833 | Digital input simulator module | 80 × 40 × 60 | 0.2 |
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