ABB TU845 Product Overview
Product Model: ABB TU845 (3BSE021447R1)
The ABB TU845 is a communication module designed for industrial automation systems that require reliable data transmission and seamless connectivity between different devices. It is part of the ABB product line dedicated to enhancing the flexibility and efficiency of control systems in various industrial applications. The TU845 facilitates communication over the Modbus RTU protocol using RS485 communication, making it a powerful tool for data exchange and system integration in a variety of automated environments.
This module plays a critical role in connecting automation components such as PLCs, remote I/O modules, and other field devices, enabling real-time data communication. It helps extend the control capabilities of industrial systems by ensuring smooth communication between different components.
Product Specifications and Technical Data
| Parameter |
Specification |
| Product Name |
ABB TU845 |
| Model Number |
3BSE021447R1 |
| Voltage Rating |
24V DC |
| Power Consumption |
5W |
| Communication |
Modbus RTU, RS485 |
| Operating Temperature |
-10°C to +55°C |
| Dimensions (L x W x H) |
50 mm x 60 mm x 80 mm |
| Weight |
0.15 kg |
| Mounting Type |
DIN Rail |
| Protection Class |
IP20 |
| Housing Material |
Plastic (Flame Retardant) |
Product Introduction
The ABB TU845 is a highly efficient communication module that facilitates reliable data transfer within RS485 networks using the Modbus RTU protocol. It is designed to meet the demands of industrial automation systems that require high-speed communication between various devices and control systems. The module is intended to bridge communication gaps between different components of a system, providing seamless integration and control over automated processes.
The TU845 operates on 24V DC, ensuring compatibility with most control systems. It can be easily mounted on a DIN rail, allowing for convenient installation in electrical cabinets or panels. The IP20 protection rating ensures that the module is safe to use in industrial environments where dust and debris may be present, though it is intended for indoor use only.
In addition, the module’s compact design and lightweight structure make it ideal for applications where space is limited, ensuring that it can fit into tight spaces without compromising on functionality.
Applications of the ABB TU845
The ABB TU845 is widely used in various industrial sectors, particularly in systems that rely on robust and reliable communication for automation processes. Its applications include:
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Factory Automation: The TU845 is used for data communication between PLCs, field devices, sensors, and remote I/O modules in factory automation systems.
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Building Automation: It connects control systems in buildings to devices such as HVAC systems, lighting, and security systems, providing real-time monitoring and control.
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Process Control: The module is used to communicate with devices in process control systems, allowing for efficient data flow and control of operations in industries such as chemical processing and food production.
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Machine Control: It enables data exchange between controllers and machines, helping operators manage machine performance and ensure smooth operations.
The TU845 is ideal for environments where a reliable communication protocol, such as Modbus RTU, is essential for efficient control and monitoring across multiple systems and devices.
Advantages of the ABB TU845
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Reliable Communication: Supports Modbus RTU over RS485, a widely used communication protocol, ensuring robust and reliable data transmission.
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Ease of Integration: Easily integrates into existing industrial automation systems, offering seamless communication with various devices.
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Compact and Lightweight: Its small footprint and low weight make it ideal for applications with limited space or for installations that require minimal weight.
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Versatile Application: The TU845 is suitable for a wide range of industrial applications, from factory automation to process control.
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Temperature Tolerance: With an operating temperature range of -10°C to +55°C, the TU845 can withstand a variety of industrial environments.
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Cost-Effective Solution: Offers a cost-efficient way to enhance communication capabilities in an automation system, without the need for extensive hardware upgrades.
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Easy Installation: The module can be quickly mounted on a DIN rail, reducing installation time and effort.
Brand Overview
Brand Name: ABB
ABB is a global leader in automation, providing innovative and sustainable solutions to industries worldwide. Known for its engineering excellence, ABB delivers high-quality products that help improve the efficiency, safety, and sustainability of industrial systems. The company’s product offerings range from power and automation technologies to digital solutions, all designed to support industrial operations and optimize performance.
Product Series
The ABB TU845 is part of the ABB Industrial Automation Series, a comprehensive line of automation products designed to enhance the control, communication, and monitoring capabilities of industrial systems. This series includes a variety of modules and controllers that help improve the efficiency and reliability of automation processes in diverse industrial applications.
Related and Recommended Models from the ABB Industrial Automation Series
Here are five related models from the ABB Industrial Automation series that may complement the TU845 or offer additional features:
| Model |
Parameter |
Specification |
| ABB TU840 |
Digital I/O Module |
16 digital I/O, 24V DC, IP20 |
| ABB TU841 |
Digital I/O Module |
8 digital inputs, 8 digital outputs, 24V DC |
| ABB TU842 |
Digital I/O Expansion |
8 digital inputs, 8 digital outputs, Modbus RTU |
| ABB TU843 |
Relay Output Module |
4 relay outputs, 24V DC |
| ABB TU846 |
Analog I/O Module |
4 analog inputs/outputs, 4-20mA |
Popular Models from ABB
Here are five popular models from ABB’s automation and control product lineup:
| Model |
Parameter |
Specification |
| ABB PM800 |
Power Meter |
100-240V AC, 4x digital I/O, RS485 |
| ABB AC500 |
PLC Controller |
8 digital I/O, modular design, 24V DC |
| ABB 800xA |
Distributed Control System |
Advanced control, SCADA integration |
| ABB DCS |
Distributed Control System |
Supports fieldbus, Ethernet, I/O networks |
| ABB B1R |
Relay |
24V DC, 4 relays, 10A switching capacity |
