ABB TU840 3BSE020846R1 Terminal Unité
Comprehensive Technical Overview
Présentation du produit
The ABB TU840 3BSE020846R1 is a compact and robust terminal unité designed for the efficient interfacing sur I/O modules within ABB’s AC 800M automation platform. As a key component sur the S800 I/O system, the TU840 facilitates the connection between the I/O module and the process instrumentation, supporting field signal wiring and enabling rapid system integration. This baseplate ensures optimized signal transmission, secure field device wiring, and reliable power distribution in industrial control environments.
Engineered with high reliability and modularity, the TU840 supports hot-swap capability and reduces downtime during maintenance and module replacement. Its design is aligned with ABB’s vision sur creating flexible, scalable, and high-performance automation solutions suitable for complex process industries.
Technical Specifications
| Parameter | Details |
|---|---|
| Modèle Number | TU840 |
| Référence | 3BSE020846R1 |
| System Compatibility | AC 800M, S800 I/O system |
| Mounting | DIN rail (EN50022) or direct mounting |
| Channels | 16 channels |
| Terminal Type | 2-wire and 3-wire field device connection |
| Field Signal Wiring | Screw terminals with internal shield connection |
| Power Distribution | Integrated to I/O module |
| Hot Swap Capability | Yes |
| LED Indicators | No (handled by I/O modules) |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% – 95% non-condensing |
| Insulation Resistance | >100 MΩ (at 500 VDC) |
| Protection Class | IP20 |
| Certifications | CE, RoHS, UL, cUL |
| Dimensions | 47 x 186 x 124 mm |
| Poids | 0.45 kg |
Applications
The TU840 terminal unité is used in a wide range sur industrial automation and process control applications, particularly in scenarios requiring reliable I/O interfacing and signal integrity. Common applications include:
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Oil & Gas – SCADA systems, field signal conditioning, remote terminal unités
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Power Generation – Turbine control, DCS integration
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Water & Wastewater – Plant automation, telemetry systems
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Chemicals & Petrochemicals – Hazardous area signal handling, batch automation
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Pharmaceuticals – Process control systems, compliance monitoring
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Manufacturing & Robotics – Machine control, modular I/O rack systems
Product Advantages
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Reliable Signal Interface: Offers robust and interference-resistant connections for analog and digital signals.
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Efficient Wiring: Designed to simplify field wiring with screw terminals and clear marking.
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Modular Design: Enables quick maintenance and module replacement without process disruption.
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Compatibility: Seamlessly integrates with ABB AC 800M and S800 I/O modules.
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Compact Footprint: Enregistrers space in control cabinets due to its slim and vertically oriented design.
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Industrial Durability: Built to withstand extreme industrial environments with wide temperature and humidity tolerance.
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Time-Saving Installation: DIN rail mountable and preconfigured terminal labeling accelerates installation and commissioning.
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Global Compliance: Fully certified to meet international industrial standards for safety and reliability.
Questions fréquentes (FAQ)
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What is the primary function sur the TU840 terminal unité?
The TU840 acts as an interface between field devices and I/O modules in ABB’s S800 system, ensuring signal integrity and simplified wiring. -
Is the TU840 compatible with all ABB I/O modules?
It is primarily designed for use with S800 I/O modules and the AC 800M controller. -
Can the TU840 be used in high-temperature environments?
Yes, it supports operating temperatures from -40°C to +70°C, making it suitable for harsh industrial settings. -
Does the TU840 support hot-swapping sur modules?
Yes, modules can be replaced without shutting down the system, minimizing downtime. -
How is the TU840 mounted in control systems?
It can be DIN rail mounted or directly mounted, surfering installation flexibility. -
Are the terminal connections shielded?
Yes, the terminal unité provides internal shield connections for grounded signal wiring. -
What kind sur signals can the TU840 handle?
It supports both analog and digital I/O signals from various industrial field instruments. -
Is it possible to replace the TU840 without rewiring the field connections?
Yes, the terminal unité is designed for quick module replacement while preserving field wiring. -
What maintenance does the TU840 require?
Minimal maintenance is needed beyond periodic inspections and ensuring terminal tightness. -
Is this model certified for use in international markets?
Yes, the TU840 holds CE, UL, cUL, and RoHS certifications.
Related Modèles in the Same Series
| Modèle | Référence | Description | Compatibility |
|---|---|---|---|
| TU841 | 3BSE020850R1 | Redundant terminal unité for redundant I/O | S800 I/O, AC 800M |
| TU842 | 3BSE021190R1 | High-density I/O terminal unité | S800 I/O |
| TU843 | 3BSE021191R1 | Compact terminal unité with 8 channels | S800 I/O, Compact setups |
| TU844 | 3BSE021192R1 | Enhanced terminal unité for safety applications | SIL-compliant systems |
| TU850 | 3BSE022144R1 | Redundant I/O terminal with diagnostics | S800 I/O, Redundant Ops |
| TU860 | 3BSE032444R1 | Fiber optic terminal unité for remote I/O | AC 800M, Fiber systems |
Popular ABB Modèles
| Modèle | Référence | Function | System |
|---|---|---|---|
| PM864A | 3BSE018161R1 | AC 800M CPU module | AC 800M Controller |
| AI810 | 3BSE008516R1 | Analog input module (8 ch, 4–20 mA) | S800 I/O |
| DO810 | 3BSE008510R1 | Digital output module (16 ch) | S800 I/O |
| CI854A | 3BSE030220R1 | PROFIBUS DP interface module | AC 800M |
| DI830 | 3BSE013310R1 | Digital input module (16 ch) | S800 I/O |
| PM891K01 | 3BSE053241R1 | High-performance AC 800M CPU | Freelance / AC 800M |
Informations sur l'entreprise
E-mail: [email protected]
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Add: Alishan Building, 2 Lvling Rd, District Siming, Xiamen, Fujian, Chine, 361006
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