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Allen-Bradley 1784-KTX communication interface card for industrial PCs

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Allen-Bradley 1784-KTX

by Allen-Bradley

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OverviewThe Allen-Bradley 1784-KTX is a vital communication interface card, designed to link contemporary industrial personal computers with established Allen-Bradley Programmable Logic Controllers (PLCs). This robust card is specifically engineered for Data Highway Plus (DH+) and Remote I/O (RIO) networks, ensuring ongoing connectivity and operational efficiency within existing automation infrastructures. It is an essential component for facilities aiming to maintain, enhance, or integrate their current Rockwell Automation equipment, offering a dependable pathway for programming, real-time monitoring, and comprehensive SCADA (Supervisory Control and Data Acquisition) applications.As a critical asset for maintaining functionality in long-standing industrial settings, the 1784-KTX enables smooth data exchange between your PC and a wide array of legacy Allen-Bradley systems, including the venerable PLC-5 and SLC 500 series. Its sturdy construction and proven compatibility with Rockwell Software platforms such as RSLogix 5, RSLogix 500, and RSLinx make it an indispensable tool for engineers and technicians managing mature control systems.Key Features Dual Network Support: Offers seamless integration with both Data Highway Plus (DH+) and Remote I/O (RIO) networks, providing flexible connectivity options for diverse legacy systems. Broad Communication Speed Range: Supports multiple baud rates, including 57.6 kbps, 115.2 kbps, and 230.4 kbps, ensuring compatibility with various network setups and optimal data transfer. Legacy PLC Compatibility: Delivers essential connectivity to established PLC-5 and SLC 500 systems, allowing for continued programming, diagnostics, and operational control. Rockwell Software Integration: Fully compatible with industry-standard software like RSLinx Classic, RSLogix 5, and RSLogix 500, simplifying configuration and management processes. Diagnostic LED Indicators: Features intuitive status indicators for network activity and card diagnostics, facilitating rapid and efficient troubleshooting. Reliable ISA Bus Interface: Built with an ISA bus interface, guaranteeing stable and proven performance within compatible industrial PC systems. Technical Specifications Model: 1784-KTX Manufacturer: Allen-Bradley / Rockwell Automation Interface: ISA (16-bit) Network Types: Data Highway Plus (DH+) and Remote I/O (RIO) Supported Software: RSLinx Classic, RSLogix 5, RSLogix 500 Operating Systems: Compatible with various Windows-based operating systems, depending on driver support. Temperature Range: 0°C to +60°C (32°F to 140°F) Dimensions: Standard ISA form factor Power Supply: Provided via the ISA slot, simplifying installation and reducing external wiring. Communication Speeds: 57.6 kbps, 115.2 kbps, 230.4 kbps Applications Legacy PLC Programming and Configuration: Directly access and program older PLC systems such as the PLC-5 and SLC 500 series, crucial for system updates and maintenance. SCADA System Integration: Connect industrial PCs to existing DH+ and RIO networks for comprehensive supervisory control and data acquisition, enhancing operational visibility. Control System Maintenance and Diagnostics: Essential for technicians and engineers performing routine maintenance, troubleshooting, and diagnostic tasks on established Rockwell Automation equipment. Data Acquisition for Process Monitoring: Facilitate the collection of real-time operational data from legacy systems for analysis, reporting, and process optimization. Retrofitting and System Upgrades: A cost-effective solution for integrating modern computing power with older control systems without a complete overhaul. Why Choose This Model?This model stands out for its exceptional reliability with legacy systems, specifically engineered to provide stable and secure communication across DH+ and RIO networks, ensuring the uninterrupted operation of crucial legacy Allen-Bradley systems. It offers a smart way to preserve existing investments, helping to avoid expensive system overhauls by extending the life and functionality of your current PLC-5 equipment.Order NowEnhance your industrial automation capabilities today. Place your order for the Allen-Bradley 1784-KTX communication interface card and ensure seamless connectivity for your legacy systems.FAQWhat is the primary function of the Allen-Bradley 1784-KTX?The 1784-KTX serves as a communication bridge between modern industrial PCs and legacy Allen-Bradley PLCs, specifically supporting Data Highway Plus (DH+) and Remote I/O (RIO) networks.Which legacy PLC systems are compatible with the 1784-KTX?It provides essential connectivity to established PLC-5 and SLC 500 series systems.What software is supported by this communication card?The 1784-KTX is fully compatible with Rockwell Software platforms including RSLinx Classic, RSLogix 5, and RSLogix 500.What type of bus interface does the 1784-KTX use?It utilizes a reliable ISA (16-bit) bus interface for stable performance.Can this card help with system upgrades?Yes, it is a cost-effective solution for integrating modern computing power with older control systems without requiring a complete overhaul.

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PRODUCT DETAILS

Allen-Bradley 1784-KTX

Overview

This is a genuine Allen-Bradley component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Model: 1784-KTX
  • Manufacturer: Allen-Bradley / Rockwell Automation
  • Interface: ISA (16-bit)
  • Network Types: Data Highway Plus (DH+) and Remote I/O (RIO)
  • Supported Software: RSLinx Classic, RSLogix 5, RSLogix 500
  • Operating Systems: Compatible with various Windows-based operating systems, depending on driver support.
  • Temperature Range: 0°C to +60°C (32°F to 140°F)
  • Dimensions: Standard ISA form factor
  • Power Supply: Provided via the ISA slot, simplifying installation and reducing external wiring.
  • Communication Speeds: 57.6 kbps, 115.2 kbps, 230.4 kbps

Applications

  • Legacy PLC Programming and Configuration: Directly access and program older PLC systems such as the PLC-5 and SLC 500 series, crucial for system updates and maintenance.
  • SCADA System Integration: Connect industrial PCs to existing DH+ and RIO networks for comprehensive supervisory control and data acquisition, enhancing operational visibility.
  • Control System Maintenance and Diagnostics: Essential for technicians and engineers performing routine maintenance, troubleshooting, and diagnostic tasks on established Rockwell Automation equipment.
  • Data Acquisition for Process Monitoring: Facilitate the collection of real-time operational data from legacy systems for analysis, reporting, and process optimization.
  • Retrofitting and System Upgrades: A cost-effective solution for integrating modern computing power with older control systems without a complete overhaul.

Why Choose the 1784-KTX?

This model stands out for its exceptional reliability with legacy systems, specifically engineered to provide stable and secure communication across DH+ and RIO networks, ensuring the uninterrupted operation of crucial legacy Allen-Bradley systems. It offers a smart way to preserve existing investments, helping to avoid expensive system overhauls by extending the life and functionality of your current PLC-5 equipment.

Availability & Shipping

  • In stock: 1784-KTX ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 1784-KTX ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1784-KTX serves as a communication bridge between modern industrial PCs and legacy Allen-Bradley PLCs, specifically supporting Data Highway Plus (DH+) and Remote I/O (RIO) networks.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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Independent Supplier Notice

PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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