Description
Product Description
The ABB TU810 is a 16-channel 50V compact module termination unit (MTU) for ABB S800 I/O systems, acting as a passive interface between field wiring and I/O modules while distributing ModuleBus signals and generating module addresses via position shifting. The ABB TU810 supports seamless cascading of up to 32 MTUs, enabling scalable signal expansion for large-scale industrial automation setups. Its dual mechanical keys offer 36 configuration combinations, preventing incorrect I/O module insertion to enhance system reliability. The ABB TU810 operates reliably in horizontal (55°C) and vertical (40°C) mounting orientations, with IP20 protection and robust construction ensuring durability in harsh industrial environments. The ABB TU810 integrates with ABB 800xA engineering tools, simplifying wiring, configuration, and maintenance workflows. As a passive unit, the ABB TU810 requires no external power, reducing energy consumption and potential failure points, while its compact DIN-rail design (162×200×88mm) optimizes panel space utilization. The ABB TU810 is fully compatible with AI810, DI810, DO810, and other S800 I/O modules, supporting mixed analog/digital signal termination for diverse process control needs.
Product Parameters
| Parameter | Specification |
|---|---|
| Model | ABB TU810 (3BSE008524R1) |
| Type | Compact Module Termination Unit (MTU) |
| Channels | 16 channels (50V) |
| ModuleBus | Integrated for signal distribution and addressing |
| Mechanical Keys | 2 keys (6 positions each, 36 configurations) |
| Mounting | DIN rail (horizontal/vertical) |
| Operating Temp | Horizontal: 55°C; Vertical: 40°C |
| Protection | IP20 |
| Dimensions | 162×200×88mm |
| Weight | 0.23 kg |
| Wire Size | Solid: 0.2-4 mm²; Stranded: 0.2-2.5 mm² (24-12 AWG) |
| Dielectric Test Voltage | 500V AC |
| Compatible I/O Modules | AI810, DI810, DO810, AO810, etc. |
Advantages and Features
- Scalable Cascading: The ABB TU810 supports up to 32 MTUs in series, enabling flexible signal expansion for large industrial systems.
- Mechanical Anti-Misinsertion: Dual keys prevent incorrect I/O module installation, minimizing configuration errors and downtime.
- Passive Design: No external power required, reducing energy costs and failure risks for reliable long-term operation.
- Mixed Signal Support: Compatible with analog/digital S800 I/O modules, simplifying mixed-signal termination in process control.
- Easy Maintenance: Compact form factor and intuitive wiring reduce installation time, while ModuleBus integration streamlines diagnostics.
Application Cases in Application Fields
- Petrochemical Refining: The ABB TU810 cascades 8 units to terminate 128 channels of temperature, pressure, and flow signals, integrating with AI810/DI810 modules for real-time process monitoring and control.
- Power Generation: It connects turbine vibration sensors and valve actuators to AC800M controllers via DO810 modules, ensuring reliable signal transmission for critical safety systems.
- Chemical Processing: The ABB TU810 terminates 4-20mA analog signals from pH/level transmitters and digital outputs for solenoid valves, supporting batch process automation with minimal wiring complexity.
- Food & Beverage: It enables hot-swappable I/O module replacement during production, reducing downtime while maintaining compliance with hygienic design standards.
Comparisons with Competing Products
| Feature | ABB TU810 | Competitor A (Siemens ET 200SP Terminal Block) | Competitor B (Rockwell 1756-TBCH) |
|---|---|---|---|
| Cascading | Up to 32 MTUs | 16 modules | 8 modules |
| Mechanical Lock | 36 configurations | Limited | Basic |
| Passive Design | Yes (no power needed) | Yes | Yes |
| Channel Density | 16 channels | 16 channels | 16 channels |
| Temp Range | 55°C (horizontal) | 50°C | 40°C |
Selection Suggestions and Precautions
- Selection Suggestions
- Choose the ABB TU810 for S800 I/O systems requiring scalable signal termination and mechanical anti-misinsertion protection.
- Pair with AI810/DI810/DO810 modules for mixed analog/digital signal integration in process control applications.
- Prioritize for horizontal mounting in high-temperature environments (up to 55°C) to maximize operational reliability.
- Precautions
- Match mechanical key settings to the I/O module type to avoid damage to the ABB TU810 or incorrect signal termination.
- Ensure proper wire sizing (0.2-4 mm² solid/0.2-2.5 mm² stranded) for secure connections and optimal signal integrity.
- Follow ABB’s ModuleBus cascading guidelines (max 32 MTUs) to prevent communication issues and address conflicts.
- Avoid exceeding 55°C (horizontal) or 40°C (vertical) operating temperatures to maintain long-term performance.
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