Product Details
Product Description
The 1492-ACABLE025WB is a high-performance, pre-terminated cable assembly engineered for the Allen-Bradley 1756 ControlLogix platform. This cable is specifically designed to facilitate the transition from high-density analog I/O modules to remote interface modules (IFMs). By utilizing a factory-assembled connection, the 1492-ACABLE025WB (Part Number: 1492-ACABLE025WB) significantly reduces installation time and virtually eliminates the risk of wiring errors associated with manual point-to-point terminations.
This cable is optimized for sensitive low-level signals, making it an ideal choice for connecting thermocouple, RTD, and standard analog input modules. Its construction prioritizes signal integrity, ensuring that critical process data is transmitted with minimal interference from electromagnetic noise commonly found in industrial environments. At a fixed length of 2.5 meters, it provides ample flexibility for routing through wire ducts within standard control cabinets.
Technical Specifications
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Brand: Allen-Bradley (Rockwell Automation)
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Model Number: 1492-ACABLE025WB
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Cable Type: Analog Pre-Wired Interface Cable
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Compatible Platform: Bulletin 1756 ControlLogix
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Supported Signal Types: Analog Voltage/Current, RTD, and Thermocouple
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Total Length: 2.5 Meters (Approx. 8.2 Feet)
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Wire Construction: Shielded multi-conductor for analog precision
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Connector Type: 20-pin RTB interface to D-shell header
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Shipping Weight: 1.35 lbs (0.61 kg)
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Application Use: Process Control and Industrial Automation
Application Scenarios
This cable is typically deployed in process industries—such as oil and gas, water treatment, or chemical processing—where 1756-IF16, 1756-IR6I, or 1756-IT6I modules are utilized. The 1492-ACABLE025WB ensures that the millivolt signals from thermocouples or the resistance changes from RTDs are accurately reflected at the PLC without the signal degradation often caused by poor field terminations.
Technical FAQ
What makes the "WB" suffix different from other 1492 analog cables?The "WB" designation indicates a specific wiring pinout and connector orientation tailored to certain 1756 analog module types. It is essential to match this suffix to your specific I/O module and Interface Module (IFM) to ensure correct signal mapping.
Is shielding included in this cable assembly?Yes. Unlike standard digital cables, the 1492-ACABLE025WB features specialized shielding designed to protect low-voltage analog signals from crosstalk and external EMI, which is critical for maintaining high-resolution measurement data.
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
Human-Machine Interface Design: Essential Guide to HMI Selection, Visualization, and Control System Integration
Human-Machine Interfaces (HMIs) serve as the primary operational window into complex industrial automation systems. Modern HMIs convert raw machine data into clear graphical displays, enabling operators to oversee entire manufacturing processes in real time. Instead of relying on physical control panels full of hardwired switches, engineers program interactive screens using intuitive graphics, dynamic color coding, and responsive touch interfaces. Over my 15 years in control systems engineering, I have observed HMIs transform from basic display screens into sophisticated command centers that drive operational efficiency across DCS and PLC environments.
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.