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Product Introduction: ABB TU839 3BSE046966R1
The ABB TU839 3BSE046966R1 is a high-performance terminal unit specifically designed for use within the ABB AC 800M control system, which forms part of ABB’s renowned System 800xA architecture. As a critical component in industrial automation, the TU839 provides the mechanical and electrical interface for the PM891 controller, facilitating power supply and signal distribution with high reliability. It serves as the physical backbone for the mounting and interconnection of the controller module, enhancing ease of integration and maintenance in complex automation systems.
This terminal unit is engineered with industrial-grade components to ensure continuous operation in demanding environments, such as oil & gas, chemical processing, marine, metals, and power generation sectors. The TU839 is DIN rail mountable and includes well-organized terminal blocks to streamline wiring while minimizing errors.
Product Advantages
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Optimized Integration: Seamlessly integrates with ABB’s AC 800M controllers, especially PM891, ensuring a robust connection and data transfer.
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Compact and Efficient Design: Its compact footprint allows for easy installation in space-constrained control cabinets.
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High Reliability: Designed with high-quality materials for long-term durability in industrial conditions.
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Modular Configuration: Supports hot-swapping and modular system expansion, reducing system downtime.
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Efficient Power Distribution: Distributes system power to connected modules and devices with minimal voltage drop.
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Simplified Wiring: Clearly labeled terminal blocks reduce the risk of miswiring and simplify maintenance procedures.
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Industry-Proven: Widely implemented in ABB’s automation solutions, ensuring compatibility and long-term support.
Technical Specifications
| Parameter | Description |
|---|---|
| Product Name | ABB TU839 Terminal Unit |
| Ordering Code | 3BSE046966R1 |
| System Compatibility | ABB AC 800M, PM891 Controller |
| Mounting | DIN Rail |
| Number of Terminals | 80 |
| Power Supply Voltage | 24 V DC (nominal) |
| Communication Interface | System Bus Connection for PM891 |
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% non-condensing |
| Protection Class | IP20 |
| Dimensions | 126 x 64 x 110 mm |
| Weight | 0.28 kg |
| Wiring Type | Screw Terminals |
| Approvals/Certifications | CE, RoHS, UL, CSA |
Applications
The ABB TU839 3BSE046966R1 is primarily used in industrial control systems that require high reliability, accurate signal transmission, and efficient system integration. Common application domains include:
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Process Automation in oil & gas, chemical, and pharmaceuticals
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Power Generation and Distribution Systems
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Manufacturing Automation in automotive and heavy industries
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Water Treatment Plants
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Marine and Offshore Automation
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Pulp and Paper Industry Automation
This terminal unit supports operations where controller reliability and modularity are paramount, and where frequent system scaling or maintenance might be necessary.
Frequently Asked Questions (FAQs)
Q1: What controller is the TU839 designed for?
A1: The TU839 is specifically designed for use with the ABB PM891 controller within the AC 800M series.
Q2: Can I use the TU839 with other controllers outside the ABB AC 800M system?
A2: No, it is not recommended. TU839 is engineered exclusively for ABB’s AC 800M platform and PM891, ensuring compatibility and optimal performance.
Q3: Is hot-swapping possible with TU839?
A3: Yes, it supports hot-swapping of controller modules when integrated into properly designed 800xA systems.
Q4: What type of mounting is used for the TU839?
A4: The TU839 is mounted on standard DIN rails, which simplifies installation and removal.
Q5: What is the maximum number of terminals provided by TU839?
A5: The unit features 80 terminal points for field connections.
Q6: Does the TU839 include built-in power protection features?
A6: It includes standard terminal protections, but external fuses or breakers are recommended for comprehensive protection.
Q7: What certifications does the TU839 comply with?
A7: The TU839 holds certifications including CE, UL, CSA, and RoHS compliance.
Q8: Can TU839 operate in marine or offshore environments?
A8: Yes, provided it is installed within protective enclosures meeting environmental and corrosion protection standards.
Q9: Is the TU839 backward compatible with older versions of ABB AC 800M systems?
A9: It is compatible with most AC 800M revisions, but always verify controller firmware and hardware compatibility.
Q10: How should TU839 be maintained for optimal performance?
A10: Routine inspections, cleaning to remove dust, and periodic verification of terminal connections are advised.
Related Models (Same Series or Functionality)
| Model | Ordering Code | Description |
|---|---|---|
| TU840 | 3BSE020846R1 | Compact terminal unit for PM860/PM864 |
| TU845 | 3BSE045764R1 | Compact TU for high-density I/O modules |
| TU812 | 3BSE013230R1 | TU for analog I/O modules |
| TU860 | 3BSE032444R1 | TU for redundancy applications |
| TU820 | 3BSE013233R1 | TU for S800 I/O modules |
| TU851 | 3BSE018168R1 | High-speed terminal unit for digital I/O |
Popular ABB Models (Other Product Lines)
| Model | Ordering Code | Product Type | Function |
|---|---|---|---|
| PM891 | 3BSE059968R1 | AC 800M Controller | Main CPU controller for TU839 |
| CI854AK01 | 3BSE030220R1 | Communication Interface | PROFIBUS DP interface for AC 800M |
| AI810 | 3BSE008516R1 | Analog Input Module | 8-channel analog input for S800 I/O |
| AO810 | 3BSE008522R1 | Analog Output Module | 8-channel analog output |
| DI820 | 3BSE008512R1 | Digital Input Module | 16-channel digital input module |
| DO820 | 3BSE008514R1 | Digital Output Module | 16-channel digital output module |
