Product Details
Description
The TK851 3BSC950193R1 is an extension cable that expands the AC 800M CEX-Bus beyond a single rail or baseplate. It allows communication modules like the CI854A (PROFIBUS) or CI867 (MODBUS TCP) to be mounted in optimal cabinet positions, overcoming space limitations near the CPU. With industrial-grade shielding to prevent EMI and robust, keyed connectors for reliable, vibration-proof connections, it ensures high-speed bus performance and is essential for complex System 800xA installations with dense communication networking and thermal management needs.
Specifications
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Manufacturer: ABB
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Model Number: TK851 (3BSC950193R1)
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Product Type: CEX-Bus Extension Cable
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Application: AC 800M Controller Systems
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Interface Compatibility: Communication Expansion Bus (CEX-Bus)
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Connector Construction: Multi-pin high-density industrial interface
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Shielding: Foil and braid for EMI protection
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Function: Internal bus bridging and module expansion
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Weight: 0.20 kg
Features
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System Scalability: Enables the addition of up to 12 communication modules by extending the reach of the internal CEX-Bus backbone.
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Synchronized Data Transmission: Specifically designed to support the low-latency requirements of the AC 800M bus, ensuring zero data lag.
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Interference Resistance: Advanced shielding prevents signal corruption from nearby power sources and high-frequency industrial noise.
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Mechanical Security: Precision connectors provide a secure snap-lock fit, preventing accidental disconnection due to thermal expansion or cabinet vibration.
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Flexible Architecture Support: Allows for multi-row rail configurations, providing greater freedom in control cabinet design and organization.
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Validated Compatibility: Fully tested for use with the entire AC 800M processor family and S800 I/O communication interfaces.
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.