Product Details
Description
The TU846 3BSE022460R1 provides a reliable mounting platform for two Communication Interface modules, enabling a fully redundant ModuleBus setup. It acts as a passive hub, distributing power and internal bus signals, with two independent 24V DC power feeds for the modules. With no active components, the TU846 offers high reliability and long service life. It features mechanical keying to prevent incorrect module insertion and integrated terminals for easy DIN rail installation, making it ideal for fault-tolerant I/O communication in distributed control systems.
Specifications
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Manufacturer: ABB
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Model Number: TU846 (3BSE022460R1)
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Product Type: Redundant Module Termination Unit (MTU)
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Supported Modules: Dual CI810, CI820, or CI840 Interfaces
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Input Voltage: 24 V DC (Redundant dual inputs)
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Maximum Current: 5 A
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Backplane Type: Redundant ModuleBus
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Mounting Type: 35mm DIN Rail
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Protection Class: IP20
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Operating Temperature: -25 to +70 °C
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Weight: 0.54 kg
Features
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High-Availability Design: Accommodates two communication modules simultaneously to support automatic failover and eliminate communication downtime.
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Dual Power Feed Support: Equipped with separate terminal blocks for redundant power sources, ensuring the cluster remains energized during a power supply fault.
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Hot-Swap Functionality: Allows for the replacement of a faulty communication module without interrupting the operation of the redundant partner or the I/O cluster.
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Passive Circuitry: Uses a hardware-only design with no active electronics on the base unit, maximizing the Mean Time Between Failures (MTBF).
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Safe Configuration Keying: Features physical coding to ensure only compatible module types can be installed, protecting hardware from electrical damage.
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Vibration-Resistant Housing: Compact and durable construction designed for long-term stability in harsh industrial cabinet 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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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.
Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.