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- ABB
- TU844
- Termination Unit
- Sweden
- 50 mm x 60 mm x 80 mm
- 0.15kg
- 3BSE021445R1
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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ABB TU844 Product Overview
Product Model: ABB TU844 (3BSE021445R1)
The ABB TU844 is a communication module designed for industrial automation systems that require seamless integration and data exchange across various control and monitoring devices. It is built to support Modbus RTU communication over RS485, enabling reliable and efficient communication within automation setups. This module acts as a communication bridge, facilitating data exchange between different devices and systems in an industrial network, enhancing the overall flexibility and scalability of automation systems.
The TU844 is part of ABB’s broader industrial automation product line, and it serves as a critical component for communication between control systems and peripheral devices. Its compact and reliable design allows users to incorporate it easily into existing automation networks, enabling enhanced monitoring, control, and automation.
Product Specifications and Technical Data
| Parameter | Specification |
|---|---|
| Product Name | ABB TU844 |
| Model Number | 3BSE021445R1 |
| Voltage Rating | 24V DC |
| Power Consumption | 6W |
| 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 TU844 is a Modbus RTU communication module that provides a seamless communication interface for connecting automation devices and systems in industrial environments. This module is designed to work in RS485 networks, providing high-speed data transmission between various connected components. With its versatile design and compatibility with a wide range of devices, the TU844 facilitates efficient data exchange and system monitoring across automated control systems.
This module operates with a 24V DC power supply, making it compatible with most automation systems, and features a compact footprint that simplifies integration into space-constrained installations. The Modbus RTU protocol ensures that the TU844 can be easily integrated into a wide range of industrial automation applications, making it ideal for controlling and monitoring systems across diverse sectors.
The TU844 can be mounted on DIN rails, simplifying installation and improving system scalability. With IP20 protection, the module is designed for use in industrial environments and is capable of withstanding the rigors of typical industrial settings.
Applications of the ABB TU844
The ABB TU844 is primarily used in industrial automation systems where communication is key. It is designed to support:
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Factory Automation: For data communication between PLCs, I/O modules, and other automation components.
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Building Automation: Used for connecting HVAC, lighting, and other control systems in smart building setups.
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Process Control: Integrated in systems where data exchange is needed between sensors, control systems, and other devices.
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Machine Control: Facilitates communication for monitoring and controlling machines in manufacturing environments.
Due to its ability to support Modbus RTU over RS485, the TU844 is an excellent choice for any industrial control system that requires reliable communication across multiple devices, providing the backbone for real-time data transfer and system control.
Advantages of the ABB TU844
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Reliable Communication: The TU844 supports Modbus RTU over RS485, providing a robust and reliable communication channel for automation systems.
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Easy Integration: Designed to integrate smoothly with other ABB and third-party automation products, the TU844 can be quickly configured and added to existing systems.
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Compact Design: Its small size makes it easy to fit into tight spaces, perfect for compact control cabinets and panels.
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Wide Temperature Range: With an operating temperature range of -10°C to +55°C, it is suitable for a variety of industrial environments.
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Cost-Effective: The TU844 offers a cost-efficient way to enhance communication capabilities without the need for expensive system upgrades.
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DIN Rail Mounting: The module can be easily mounted on a DIN rail, making installation quick and hassle-free.
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Durable and Safe: The TU844 is housed in a flame-retardant plastic enclosure, offering added safety and durability in industrial settings.
Brand Overview
Brand Name: ABB
ABB is a global leader in industrial automation and power technologies. With a long history of providing innovative solutions, ABB focuses on improving efficiency, productivity, and sustainability in a wide range of industries. From power grids to automation control, ABB’s products help customers manage energy and automate their processes with reliability and precision.
Product Series
The ABB TU844 is part of the ABB Industrial Automation Series, a product family designed to enhance the efficiency, reliability, and flexibility of industrial automation systems. This series includes a wide variety of modules, ranging from I/O devices to communication modules, offering comprehensive solutions for complex industrial control systems.
Related and Recommended Models from the ABB Industrial Automation Series
Here are five related models from the ABB Industrial Automation series that may complement or provide additional functionalities for your system:
| 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 TU845 | Communication Module | Modbus RTU, RS485, 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 |
FAQ for ABB TU844
Q1: What voltage does the ABB TU844 require?
A1: The ABB TU844 operates with a 24V DC power supply.
Q2: What communication protocol is supported by the ABB TU844?
A2: The TU844 supports Modbus RTU communication over RS485.
Q3: How many devices can the ABB TU844 support in a network?
A3: The TU844 can support multiple devices in a Modbus RTU network, depending on the network configuration and distance between devices.
Q4: What is the size of the ABB TU844?
A4: The TU844 has the following dimensions: 50 mm x 60 mm x 80 mm.
Q5: Can the ABB TU844 be used for both input and output communication?
A5: No, the TU844 is a communication module designed specifically for data transmission. It does not handle digital input or output signals.
Q6: What is the weight of the ABB TU844?
A6: The weight of the TU844 is 0.15 kg.
Q7: Can the ABB TU844 be installed outdoors?
A7: No, the TU844 is designed for indoor use only with an IP20 protection rating.
Q8: How is the ABB TU844 mounted?
A8: The TU844 is designed to be mounted on a DIN rail, making installation easy and convenient.
Q9: What is the operating temperature range of the ABB TU844?
A9: The TU844 can operate in temperatures ranging from -10°C to +55°C.
Q10: Is the ABB TU844 compatible with other ABB automation products?
A10: Yes, the TU844 is designed to integrate seamlessly with other ABB products in the industrial automation series, as well as other Modbus RTU-compatible devices.