English
العربية
ABB TU838
I. Overview
ABB TU838 is an extended Module Terminal Unit (MTU) within the ABB S800 I/O system, primarily used in the fields of industrial automation and process control. It communicates with the main controller via industry-standard fieldbus, featuring high reliability, availability, and expandability. TU838 is typically employed for signal acquisition and control in industrial processes, serving as the I/O interface of an automation system to enable communication with field devices.
II. Parameters
The specific parameters of ABB TU838 are as follows:
- Input Voltage: 24 V DC ± 20%
- Input Current: Maximum 5 mA and 0.5 A
- Number of Digital Inputs: 16
- Number of Digital Outputs: 16
- Input Type: Single-ended and differential
- Output Type: Relay
- Dimensions: 126 mm (Width) × 64 mm (Depth) × 110 mm (Height)
- Weight: Approximately 0.26 kg
- Operating Temperature: -20°C ~ +60°C
- Storage Temperature: -40°C ~ +80°C
- Relative Humidity: ≤95% RH
- Electrical Isolation: >100 MΩ
- Supported I/O Modules: AI810, AI815, AI845, DO820, DO821, etc.
III. Product Features
ABB TU838 has the following features:
- Modular Design: Allows users to flexibly add or remove I/O modules to adapt to different application requirements.
- Safety and Reliability: Provides a secure operating environment to protect the module from damage.
- High-speed Processing Capability: Strong processing ability to handle large volumes of data at high speed.
- Multiple Communication Interfaces: Supports various interfaces, including Ethernet and serial communication.
- Strong Expandability: Supports multiple I/O modules to meet different input/output needs.
- Keyed Design: Prevents incorrect module installation and enhances system reliability.
IV. Structure and Composition
The structure of ABB TU838 includes:
- Two terminal rows: Used to connect field signals and process power.
- Each channel: Contains a process power output terminal and a signal terminal.
- Fuses: Each channel is equipped with a 3A fuse to protect the circuit.
- Electrical isolation: Supports multiple groups of isolation to ensure signal transmission safety.
- Installation method: Connected via terminal blocks, supporting bidirectional installation.
V. Application Fields
ABB TU838 is widely applied in the following industries:
- Petrochemical industry: For process control and data acquisition.
- Energy industry: For automation control of power systems.
- Water treatment industry: For water quality monitoring and control.
- Pharmaceutical industry: For automation control in drug production processes.
- Food and beverage industry: For automation control in food processing and storage.
- Refrigeration and air conditioning systems: For temperature control and signal acquisition.
- Medical equipment: For automation control of medical devices.
- Laboratories and scientific research: For experimental data acquisition and analysis.
VI. Installation and Maintenance
The installation and maintenance of ABB TU838 are as follows:
- Installation: Mount TU838 in a control cabinet or chassis and connect I/O modules via terminal blocks. Pay attention to electrical isolation and grounding during installation.
- Maintenance: Regularly inspect fuses and connection terminals to ensure stable signal transmission. Always power off during maintenance to avoid damaging the equipment.
————————————————————————————————-
Xiamen Xingruijia Import and Export Co., Ltd | Product Details
Main brand
ABB Allen-Bradley Alstom Bently Emerson Foxboro
GE MOOG Schneider Woodward HIMA Honeywel Triconex & more
Contact our professional team today for customized solutions to meet your electrical component needs.
📧 x13806028623@gmail.com / johnedward.zch@gmail.com
📞 +86 18250705533（Whatsapp）丨Sales Manager : Jinny/John
There are no reviews yet.