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Allen Bradley 1784-KT Data Highway Plus Interface Module

Allen Bradley 1784-KT DH+ Interface Module

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ManufacturerAllen Bradley

Part number1784-KT

Card Type ISA Card

Interface DH+, PLC-2 serial, PLC-3 serial

Baud Rate 57.6 Kbaud (DH+)

Power Requirement 0.4A @ 5V DC, 0.04A @ ±12V DC

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12-month warranty

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Worldwide delivery

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Veteran-owned

CAGE: 9NK75

DH+ Network Interface ISA Bus Card Higher Throughput PC Connectivity Supports PLC-5, PLC-3, PLC-2 Legacy System Support

Product description

The Allen Bradley 1784-KT is an ISA bus interface card designed to enable personal computers, workstations, and terminals to communicate with Allen-Bradley controllers and processors over the Data Highway Plus (DH+) network. It acts as an active node on the DH+ network, offering higher throughput compared to serial RS-232 connections.

This module is crucial for legacy system integration, allowing for programming, monitoring, and data collection from PLC-5, PLC-3, and PLC-2 controllers. Its ability to connect directly to the DH+ network makes it invaluable for maintaining or upgrading existing industrial automation infrastructure.

Stanlo Automation, a veteran-owned surplus distributor, provides the 1784-KT for your industrial automation needs. We offer reliable sourcing and quick delivery, ensuring your legacy systems remain operational and efficient.

Technical specifications

Card Type	ISA Card
Interface	DH+, PLC-2 serial, PLC-3 serial
Baud Rate	57.6 Kbaud (DH+)
Power Requirement	0.4A @ 5V DC, 0.04A @ ±12V DC
Compatibility	PLC-5, PLC-3, PLC-2 controllers

Common applications

Industrial Automation

Legacy System Maintenance

PLC Programming

Data Acquisition

Plant Floor Communication

SCADA Systems

Compatible systems

IBM PC/AT compatible computers Allen-Bradley PLC-5 Allen-Bradley PLC-3 Allen-Bradley PLC-2

Also known as

Allen Bradley DH+ ISA Card 1784-KT/B DH+ Communication Module

Replaces / compatible with

The 1784-KT is a legacy product. For new installations, consider modern alternatives like EtherNet/IP modules with gateway bridges to DH+.

Technical note

Expert tip

Requires a dedicated IRQ and I/O address range for proper operation within the host PC.

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Frequently asked questions

What type of slot does the Allen Bradley 1784-KT use?

The Allen Bradley 1784-KT is an ISA card designed to be installed in an 8-bit or 16-bit ISA expansion slot of a compatible computer or terminal.