Product Details
Product Description
The 1492-CABLE025X (also referred to by the catalog number 1492-ACS025C) is a heavy-duty, pre-terminated digital interface cable designed to facilitate the rapid connection between Allen-Bradley 1756 ControlLogix I/O modules and 1492 Interface Modules (IFMs). This cable eliminates the need for manual point-to-point wiring, significantly reducing commissioning time and minimizing the risk of cross-wiring errors in complex control cabinets.
Constructed with 20 individual conductors of 22 AWG wire, the 1492-CABLE025X provides the necessary signal density for standard digital I/O applications. One end of the assembly is equipped with a specialized 1756-TBNH Removable Terminal Block (RTB) connector, specifically designed to seat securely into ControlLogix 20-pin I/O modules, while the other end features a standard 20-pin connector for IFM integration.
Technical Specifications
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Manufacturer: Allen-Bradley (Rockwell Automation)
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Model Number: 1492-CABLE025X
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Cable Type: Pre-Wired Digital Interface Assembly
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Length: 2.5 Meters (Approximately 8.2 Feet)
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Conductor Count: 20 Conductors
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Wire Gauge: 22 AWG
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Connector A: 1756-TBNH (ControlLogix 20-pin RTB)
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Connector B: 20-Pin Industrial Plug
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Application Compatibility: 1756-IB16, 1756-OB16, and similar digital modules
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Weight: 2.07 lbs (0.94 kg)
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Jacket Material: Industrial grade PVC/Polymer insulation
Installation and Compatibility Note
The 1492-CABLE025X is optimized for digital signaling. While the original description mentions "Analog Connection Products," this specific part number is primarily used for discrete digital I/O due to its 20-conductor configuration and 1756-TBNH RTB compatibility. For analog applications requiring shielded twisted pairs, please verify against the specific module's wiring requirements.
Frequently Asked Questions
Can this cable be used with any 1756 I/O module?No, the 1492-CABLE025X is specifically designed for 20-pin ControlLogix modules that utilize the 1756-TBNH terminal block. High-density 36-pin or 40-pin modules require a different cable series.
What are the benefits of the 22 AWG conductor size in this assembly?The 22 AWG wire provides a balance between flexibility for routing through tight wire ducts and sufficient cross-sectional area to handle standard 24V DC digital signal currents without significant voltage drop over the 2.5-meter length.
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
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.
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.