Product Details
Description
The ABB TU847 is a redundant Module Termination Unit (MTU) for the S800 I/O system, designed to host two I/O modules for high-availability process control. With a shared terminal block for field signals, it ensures seamless operation during module failure, making it ideal for continuous chemical and power applications.
Specifications
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Manufacturer: ABB
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Model Number: TU847
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Order Number: 3BSE022462R1
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Product Type: Redundant Module Termination Unit (MTU)
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Capacity: Supports two S800 I/O modules
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Input/Output Channels: Up to 16 channels total (8 per module)
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Maximum Rated Voltage: 50V DC
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Maximum Current per Channel: 2A
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Mounting Type: Horizontal 35mm DIN rail
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Connector Type: Screw terminal blocks
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Weight: 0.55 kg
Features
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Redundancy Management: Enables dual-module configurations to protect against single points of hardware failure in the control system.
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Fault-Tolerant Operation: Supports hot-swapping, allowing maintenance personnel to replace a malfunctioning module while the redundant unit remains active.
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Streamlined Signal Routing: Provides a unified field terminal interface for both modules, reducing the complexity of redundant wiring.
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Mechanical Security: Features specific keying slots to prevent the installation of incorrect module types, ensuring voltage and signal compatibility.
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High Durability: Built with a passive internal backplane to provide maximum long-term stability in harsh industrial thermal environments.
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Efficient Cabinet Layout: Designed for horizontal mounting to optimize the organization of field cabling and bus communication within the I/O cluster.
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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Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.