Product Details
Description
The ABB TU890 is an 8-channel Module Termination Unit (MTU) for the S800 I/O system, designed for intrinsically safe applications. It provides the mounting base and electrical interface for IS I/O modules, ensuring signal integrity and safety in hazardous zones (0, 1, and 2). Ideal for oil, gas, and chemical industries, the 3BSC690075R1 integrates isolation and grounding for reliable field connections.
Specifications
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Manufacturer: ABB
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Model Designation: TU890
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Order Number: 3BSC690075R1
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Product Type: Intrinsic Safety Module Termination Unit
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Channel Capacity: 8 Channels
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Maximum Voltage: 50V
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Terminal Type: Screw Terminals
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Mounting: 35mm DIN Rail
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Dielectric Test Voltage: 1500 V a.c.
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Weight: 0.5 kg
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Dimensions: 186 mm x 58.5 mm x 47.5 mm
Features
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Hazardous Area Readiness: Specifically designed to house intrinsically safe modules, ensuring energy limitation to field-side circuits.
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Robust Signal Routing: Provides organized termination for up to 8 field signals, simplifying the wiring of complex sensor loops.
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Hot-Swap Maintenance: Enables the replacement of active I/O modules without disconnecting field wiring or disrupting the system bus.
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Mechanical Keying: Features integrated safety slots to prevent the insertion of non-IS modules, protecting hazardous area loops from improper voltage levels.
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Passive Reliability: Constructed as a passive component to maximize long-term operational stability and minimize system-level failure points.
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Simplified Grounding: Includes dedicated termination points for shield grounding, essential for maintaining signal purity in high-interference industrial environments.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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Evolving SCADA System Architectures in Industrial Automation
A robust Supervisory Control and Data Acquisition (SCADA) system serves as the heartbeat of modern industrial operations. Understanding SCADA system architecture is vital for engineers designing efficient control systems. These architectures have evolved from isolated, monolithic structures to highly interconnected, networked ecosystems. Choosing the right design requires balancing data visibility, processing power, and long-term scalability requirements.
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.