Description
Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product Model | ABB TU847 |
| Manufacturer | ABB |
| Product Category | Terminal Unit Module |
| Compatibility | S800 I/O System |
| Terminal Type | Spring-clamp |
| Wire Range | 0.2-2.5mm² (AWG 24-12) |
| Isolation Voltage | 500V AC |
| Power Consumption | 1W typical |
| Operating Temp | -25°C to +70°C |
| Dimensions | 60 × 120 × 25 mm |
| Weight | 150g |
| Certifications | CE, UL, cUL, IEC 61131-2 |
ABB TU847
Product Introduction
The ABB TU847 is a high-quality terminal unit module designed for ABB’s S800 I/O System, providing reliable signal termination and distribution in industrial automation applications. This compact module serves as an interface between field devices and control systems, ensuring secure and organized wiring connections.
Engineered for flexibility, the TU847 features robust spring-clamp terminals that accommodate a wide range of wire sizes. Its 500V AC isolation between channels prevents signal interference, while the durable construction withstands harsh industrial environments. The module’s plug-and-play design simplifies installation and maintenance in control panels and automation cabinets.
As part of ABB’s comprehensive I/O solution, the ABB TU847 enables efficient wiring management for digital and analog signals, reducing installation time and improving system reliability in process control and factory automation applications.
Core Advantages and Technical Highlights
Reliable Connection Technology:
The ABB TU847 utilizes spring-clamp terminals that provide vibration-resistant connections without requiring periodic retightening. The terminals accept both solid and stranded conductors, offering flexibility for different installation requirements.
Space-Efficient Design:
With its compact dimensions, the terminal unit optimizes control cabinet space while maintaining excellent accessibility for wiring and maintenance. The clear terminal labeling reduces wiring errors during installation.
Enhanced Safety:
Featuring 500V AC channel-to-channel isolation, the terminal unit prevents cross-talk and signal interference between connected devices. The transparent cover provides finger-safe protection during live operation.
Durable Construction:
Built to withstand industrial environments, the TU847 operates reliably across a wide temperature range (-25°C to +70°C) and resists common contaminants like dust and moisture.
System Integration:
Designed specifically for ABB’s S800 I/O System, the module ensures seamless compatibility with ABB’s automation controllers, including AC 800M and System 800xA platforms.
ABB TU847
Typical Application Scenarios
Process Industries:
In oil refineries and chemical plants, the ABB TU847 organizes wiring for field instruments, ensuring reliable signal transmission between sensors and control systems.
Power Generation:
Power plants utilize the terminal unit for clean termination of I/O signals in turbine control systems and switchgear monitoring applications.
Manufacturing:
Automotive production lines employ the TU847 for organized wiring of sensors and actuators in robotic workcells and assembly stations.
Water Treatment:
Municipal facilities use the module for signal distribution in pump control panels, benefiting from its moisture-resistant design.
Discrete Automation:
The terminal unit serves in machine control panels, providing reliable connections for limit switches, pushbuttons, and other field devices.
Related Model Recommendations
ABB TU845: Basic terminal unit for standard applications
ABB TU849: Enhanced terminal unit with higher density
ABB TB820: Terminal base unit for S800 I/O
ABB PFEA113: Digital input module
ABB PFEA112: Digital output module
ABB PFTL101: Temperature input module
ABB CI854: Communication interface module
Installation & Commissioning
Installation Guidelines:
Mount the ABB TU847 on a standard 35mm DIN rail, ensuring proper alignment with adjacent modules. Use appropriate wire stripping tools to prepare conductors (0.2-2.5mm²). Maintain minimum bending radius for cables and provide strain relief for field wiring.
Commissioning:
Verify all terminal connections are secure and properly inserted. Check for proper isolation between channels using a megohmmeter if required. Label all wiring according to plant documentation standards before system activation.
Maintenance:
Periodically inspect terminals for proper tension and signs of overheating. Clean dust accumulation using compressed air. Check for signs of corrosion or damage during routine system inspections.
Service & Warranty
ABB provides a 24-month warranty for the TU847, covering manufacturing defects. Global technical support is available through ABB’s network of automation specialists. The product is supported by ABB’s lifecycle management program, with spare parts availability guaranteed for 10 years after product discontinuation.
Conclusion
The ABB TU847 terminal unit module delivers reliable wiring management for industrial automation systems. Its robust construction, secure connection technology, and compatibility with ABB’s S800 I/O System make it an essential component for organized and reliable field wiring in demanding industrial applications. For specific application requirements or technical assistance, consult ABB’s automation experts.
