Product Details
Description
The ABB TU849 is a redundant Module Termination Unit (MTU) for the S800 I/O system, designed for intrinsically safe modules. It supports two I/O modules, providing full hardware redundancy and continuous operation in hazardous areas. The unit handles power distribution and signal routing, ensuring high availability and safe maintenance in chemical, oil, and gas applications.
Specifications
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Manufacturer: ABB
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Model Number: TU849
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Order Number: 3BSE042560R1
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Product Type: Redundant Module Termination Unit
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Configuration: Supports 2 I/O Modules
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Channel Capacity: Up to 16 channels (8 per module)
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Application: Designed for Intrinsically Safe (IS) I/O modules
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Rated Voltage: 50V DC
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Mounting: Horizontal DIN Rail
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Weight: 0.58 kg
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Terminal Type: Screw terminals for field connections
Features
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Redundant Reliability: Designed to host dual modules, ensuring that a single hardware fault does not result in a loss of process data or control.
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Hazardous Area Integration: Optimized to maintain the electrical integrity required for intrinsically safe I/O loops when paired with compatible IS modules.
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Hot-Swappable Design: Enables the extraction and replacement of one module while the partner unit continues to manage live process variables.
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Mechanical Security: Built-in keying mechanisms prevent the accidental insertion of non-compatible modules, safeguarding the field circuit and hardware.
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Clear Signal Routing: Organized terminal layout simplifies the wiring of complex 8-channel loops, reducing the risk of installation errors during commissioning.
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Robust Construction: Passive backplane architecture ensures long-term stability in demanding industrial environments with minimal maintenance requirements.
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
Redundant Automation Systems: Ensuring Continuous Uptime in Critical Control Infrastructure
System reliability directly determines operational profitability across high stakes process industries. Modern industrial automation platforms must eliminate single points of failure to prevent catastrophic shutdowns. Deploying fault tolerant architecture safeguards complex facilities against unexpected hardware glitches, network disruptions, and maintenance outages.
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.