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1784-KT

Allen-Bradley 1784-KT Communication Interface Module

In stock (23 units), ready to be shipped

  • Manufacturer: Allen-Bradley

  • Product No.: 1784-KT

  • Product Type: Communication Interface Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 340g

  • Shipping port: Xiamen

  • Warranty: 12 months

30-Day Return Policy · 12-Month Warranty
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  • 24/7 Support
  • Quality Assurance

Description

Product Overview

The ALLEN-BRADLEY 1784-KT is a specialized Communication Interface Module designed to facilitate high-speed data exchange between host computers and Allen-Bradley industrial controllers. Supporting Data Highway Plus (DH+), PLC-2, and PLC-3 protocols, this module acts as a vital bridge for legacy system integration and real-time monitoring. Engineered for precision, it is a lightweight component with a net weight of only 0.34 kg, making it a low-profile yet powerful addition to industrial communication networks.

Technical Configuration

Versatile Communication Protocols

The 1784-KT supports both asynchronous and synchronous communication modes. For PLC-2 and PLC-3 systems, it handles asynchronous baud rates of 9600 and 19.2 Kbps. When operating on a Data Highway Plus network, it achieves a synchronous transfer rate of 57.6 Kbps. This versatility allows for short-range local connections (up to 10 ft) or extensive long-distance industrial networking.

Long-Distance Networking & Reliability

One of the primary advantages of the 1784-KT is its ability to maintain signal integrity over vast distances. When configured for Data Highway Plus with PLC-3 or PLC-5 controllers, the module supports communication cable lengths of up to 10,000 feet (3,050 meters). It operates on a dual-voltage DC power requirement, drawing only 2W at +5V DC and less than 0.5W at 12V DC, ensuring minimal thermal impact on the host system.

Technical Specifications

Technical Parameter Detailed Rating
Power Requirement (5V) +5V DC @ 0.4A (2W)
Power Requirement (12V) 12V DC @ 0.04A (0.48W)
DH+ Baud Rate 57.6 Kbps (Synchronous)
Max Distance (DH+) 10,000 ft (3,050 meters)
Operating Temp 0°C to 55°C (32°F to 130°F)
Product Weight 0.34 kg (0.75 lbs)

Environmental & Operational Stability

The 1784-KT is built to withstand standard industrial floor conditions, with an operating humidity range of 5% to 95% (non-condensing). Its thermal design allows for continuous operation in temperatures up to 55°C (130°F). Because of its legacy compatibility, it remains a critical component for maintaining older PLC-2 and PLC-3 installations while providing a pathway to more modern PLC-5 Data Highway Plus networks.

Engineering Advantages

  • Legacy Connectivity: Provides rare support for PLC-2 and PLC-3 asynchronous communication, preserving existing infrastructure.
  • High Power Efficiency: Consumes less than 2.5W of total power, reducing the electrical load on the host computer or interface rack.
  • Proven DH+ Performance: Industry-standard 57.6 Kbps synchronous speed ensures reliable data packets for complex automation tasks.
  • Extended Reach: Capable of spanning over 3 kilometers of cable without the need for repeaters on DH+ networks.

Technical FAQs

Q1: What is the maximum distance for a PLC-2 connection?
A1: For PLC-2 and PLC-3 asynchronous connections, the maximum cable distance is limited to 10 feet (3 meters).

Q2: Does the 1784-KT support PLC-5?
A2: Yes, it supports PLC-5 controllers via the Data Highway Plus (DH+) network protocol at 57.6 Kbps.

Q3: Is any external power supply required?
A3: No, the module typically draws its +5V and 12V DC power directly from the host interface slot it is installed in.

🏷️ Tags: Communication Interface Module

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In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.

Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.

For more details, please review our Shipping & Return Policy.

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