Excellent PLC
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| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Overview
The ABB TU890 3BSC690075R1 is a compact terminal unit (MTU) designed for the S800 I/O system. This passive unit connects field wiring and power supply to I/O modules while distributing ModuleBus communication. It ensures precise addressing, reliable signal routing, and DIN rail mounting for streamlined installation.
Technical Specifications
| Parameter | Value |
|---|---|
| Article Number | 3BSC690075R1 |
| Type | Compact |
| Channels | 8 |
| Voltage | 24 V |
| Mounting | Horizontal (DIN rail with latch) |
| Max Current per Channel | 2 A |
| Dielectric Test Voltage | 500 V AC |
| Process Connector Wire Size | Solid: 0.2–4 mm², Stranded: 0.2–2.5 mm² (24–12 AWG) |
| Power Connector Wire Size | 0.25–2.5 mm² (24–14 AWG) |
| Recommended Torque | 0.5–0.6 Nm |
| Certifications | CE, ATEX/IECEx Zone 2, cFMus, ABS, DNV-GL, LR |
| Environmental Protection | IP20, G3 corrosion protection |
| EMC Standards | EN 61000-6-4, EN 61000-6-2 |
| Operating Temperature | 0 to +55 °C |
| Storage Temperature | -40 to +70 °C |
| Dimensions (W x H x D) | 64 x 194 x 58.5 mm |
| Weight | 0.3 kg |
Applications
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Distributed control systems in process industries
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Compact installations with ABB S800 I/O modules
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Intrinsically safe applications with AI890, AI893, AI895, AO890, AO895, DI890, DO890
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Maritime and hazardous environments requiring Zone 2 or marine certification
Advantages
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Supports intrinsic safety module compatibility
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Compact DIN rail mounting saves cabinet space
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Easy wiring through clear terminal labeling
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Mechanical keying ensures correct module insertion
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High reliability in harsh environments
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Certified for global industrial and marine standards
Frequently Asked Questions (FAQ)
Q1: What modules are compatible with the TU890?
A1: It is compatible with AI890, AI893, AI895, AO890, AO895, DI890, and DO890 modules.
Q2: Can the TU890 be used in hazardous areas?
A2: Yes, it is certified for ATEX/IECEx Zone 2 and cFMus Class 1, Div 2.
Q3: What is the mounting method for the TU890?
A3: The TU890 is mounted horizontally using a DIN rail with a latch.
Q4: What is the maximum current per channel supported?
A4: Each I/O channel supports a maximum of 2 A.
Q5: What is the protection rating of TU890?
A5: The TU890 meets IP20 protection according to IEC 60529.
Q6: Can this unit be used in marine environments?
A6: Yes, it has marine certifications from ABS, DNV-GL, BV, and LR.
Q7: What is the wire size supported for connection terminals?
A7: It supports 0.2–4 mm² solid and 0.2–2.5 mm² stranded wires.
Q8: Does it support redundant I/O?
A8: No, the TU890 supports only single I/O.
Q9: What is the weight of the TU890 module?
A9: It weighs approximately 0.3 kg.
Q10: Is the TU890 RoHS and WEEE compliant?
A10: Yes, it complies with EN 50581:2012 and Directive 2012/19/EU.
Related S800 I/O Models
| Model | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| TU891 | Compact MTU with 16 channels | 64 x 194 x 58.5 | 0.3 kg |
| TU810V1 | MTU with 16 channels, vertical mount | 64 x 194 x 58.5 | 0.3 kg |
| TU830V1 | MTU for redundant applications | 64 x 194 x 58.5 | 0.35 kg |
| TU850 | High-density MTU | 64 x 194 x 58.5 | 0.4 kg |
| TU812V1 | Compact MTU with extended diagnostics | 64 x 194 x 58.5 | 0.3 kg |
| TU845 | MTU with Relay outputs | 64 x 194 x 58.5 | 0.3 kg |
Popular ABB Models
| Model | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| PM864AK01 | AC 800M Controller | 190 x 145 x 97 | 0.8 kg |
| CI854AK01 | Profibus DP Communication Interface | 190 x 145 x 40 | 0.4 kg |
| AI810 | Analog Input Module (4 ch, 0-20mA) | 45 x 119 x 102 | 0.25 kg |
| AO810 | Analog Output Module (4 ch, 0-20mA) | 45 x 119 x 102 | 0.25 kg |
| DO810 | Digital Output Module (16 ch, 24 VDC) | 45 x 119 x 102 | 0.25 kg |
| DI810 | Digital Input Module (16 ch, 24 VDC) | 45 x 119 x 102 | 0.25 kg |
