Product Details
Description
The TU848 3BSE042558R1 is a passive backplane that integrates redundant ModuleBus connections and power distribution. It hosts two communication modules for seamless failover and fault-tolerant process control. Featuring dedicated terminal blocks for dual 24V DC power inputs, it ensures power redundancy. The robust DIN-rail mountable housing includes mechanical keying to prevent incompatible module installation. With no active electronics, the TU848 maximizes MTBF, ensuring high reliability in demanding industrial environments.
Specifications
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Manufacturer: ABB
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Model Number: TU848 (3BSE042558R1)
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Product Type: Redundant Module Termination Unit
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Supported Modules: Dual CI840 Communication Interfaces
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Input Voltage: 24 V DC (Redundant dual feeds)
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Maximum Current: 5 A
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Bus Interface: Redundant ModuleBus
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Mounting: 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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Redundancy-Ready Architecture: Specifically built for dual-interface setups to eliminate single points of failure in the communication network.
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Dual Power Feed Management: Accommodates two independent power sources to ensure the I/O cluster remains energized during a power supply fault.
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Hot-Swap Support: Enables the replacement of a faulty communication module without interrupting the partner module or the active control process.
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Reliable Passive Backplane: Minimizes internal failure risks by utilizing hardware-based signal routing without active electronic components.
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Mechanical Safety Coding: Features integrated physical keying pins to ensure only compatible module types are seated, enhancing site safety.
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Industrial Durability: Optimized for high-vibration and high-temperature environments, ensuring long-term stability in process control cabinets.
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: Core Architecture, Business Value, and Technical Advantages
Unplanned downtime poses a major financial threat to process manufacturing. To prevent costly interruptions, engineers deploy redundant PLC and DCS architectures that ensure continuous operation when hardware fails. This technical guide explores redundancy principles, critical system nodes, and real-world scenarios.
Preventing Emergency Stop Spurious Trips in Industrial Control Systems
Emergency Stop pushbuttons use Normally Closed contacts for fail-safe safety, but mechanical wear can cause costly spurious trips. This technical guide examines E-Stop contact failure root causes, redundant hardware setups, PLC logic monitoring, and maintenance strategies to maximize plant availability.
Why 24V DC Is the Universal Standard for Industrial Automation Power Supplies
Industrial manufacturing requires continuous uptime to prevent equipment damage. Unlike AC power, 24V DC circuits seamlessly integrate with UPS units and battery banks. During main grid failures, a 24V DC backup system instantly maintains PLC memory, instrument loops, and critical safety valves without interruption.