Product Details
Description
The TU831 3BSE008530R1 is the mounting base for S800 I/O modules, offering 24 terminals for field wiring. As an "Extended" MTU, it provides more space for better wire management and larger I/O components. This passive backplane routes signals between field sensors and I/O electronics, with a keying system to prevent incorrect module insertion. Designed for DIN rail installation, the TU831 supports both individual and redundant ModuleBus configurations, making it ideal for high-reliability process control.
Specifications
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Manufacturer: ABB
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Model Number: TU831 (3BSE008530R1)
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Product Type: Extended Module Termination Unit (MTU)
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Number of Channels: 24 Terminals
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Maximum Voltage: 50 V
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Maximum Current per Terminal: 2 A
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Connection Type: Screw Terminals
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Mounting: Horizontal or Vertical DIN Rail (35mm)
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Compatibility: S800 I/O Modules (AI, AO, DI, DO)
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Protection Class: IP20
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Weight: 0.45 kg
Features
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Efficient Field Wiring: Equipped with 24 high-quality screw terminals that support various wire gauges, facilitating organized and reliable field-side connections.
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ModuleBus Integration: Provides a seamless electrical link to the internal communication bus, ensuring high-speed data transfer to the controller.
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Mechanical Safety Keying: Integrated physical coding ensures only compatible I/O modules can be seated, preventing hardware damage during maintenance.
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Hot-Swap Support: Designed to allow the replacement of I/O modules while the system is powered and operational, minimizing process downtime.
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Rugged Industrial Housing: Constructed from flame-retardant materials suitable for harsh industrial environments and high-density control cabinets.
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Grounding Versatility: Includes dedicated terminals for cable shields and system grounding to improve signal integrity and reduce electromagnetic noise.
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.