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ABB TU810 Compact Modular Terminal Unit

1. Product Overview

2. Core Specifications

3. Key Functions

3.1 Space-Saving Signal Termination

• 16-Channel Compact Design: 8 dual-channel terminals fit into 45mm width—ideal for small cabinets (e.g., machine-mounted control boxes) where larger terminal units (TU840/TU841) cannot be installed.
• Tool-Free Connections: Miniature spring-clamp terminals accept 0.14–1.5mm² wires without tools, reducing installation time for small-gauge field wiring (common in sensor networks).

3.2 Basic Protection & Integrity

• Electrical Isolation: Prevents interference between low-level analog signals (e.g., 4-20mA from pH sensors) and digital signals (e.g., 24V DC from limit switches), ensuring measurement accuracy.
• Mechanical Protection: Shields delicate S800 I/O module terminals from accidental damage during wiring, reducing repair costs.

3.3 Simplified Maintenance

• Integrated Test Points: Each channel has a micro test port (compatible with 2mm probes) for quick signal verification (e.g., checking sensor output without disconnecting wires).
• Plug-and-Play Link Cables: Prefabricated ABB link cables connect the TU810 to S800 I/O modules, enabling I/O module replacement in <3 minutes.

4. Typical Applications

• Machine-Level Control: Terminates 16 signals (8 AI, 8 DI) for a packaging machine’s sensors (temperature, position) and actuators (solenoid valves).
• Pharmaceutical Skids: Connects small-batch reactor sensors (pH, pressure) to S800 I/O modules in compact, cleanroom-compatible cabinets.
• Distributed I/O Stations: Supports low-density signal termination in remote sites (e.g., water treatment filter stations) with limited cabinet space.

5. Usage Notes

1. Use 0.14–1.5mm² stranded copper wires; avoid exceeding 5A per terminal (e.g., for small solenoids only).
2. Use 2mm insulated test probes to prevent short circuits between adjacent compact terminals.
3. Pair exclusively with ABB S800 I/O modules and original link cables (e.g., 3HAC031682-001) for compatibility.
4. Maintain ≥20mm clearance around the unit for airflow in enclosed machine cabinets

The structure and details of the product：

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