16 in stock
Communication Interface Board | Allen Bradley 1784-KT
Communication Interface Board | Allen Bradley 1784-KT
Brand/Manufacturer: Allen-Bradley
Order Number: 1784-KT
Type: PC Communication Interface Boards
Country of Origin: USA
Condition: Original Brand
Lead Time: Available in stock
Payment Term: 100% TT In Advance
-
In-stock & ready for fast delivery. Shipping policy.
-
We’re here for you 24/7 ,Contact Us.
-
Only genuine, factory-sealed products，Learn More.
-
Refund Supported Within 30 Days, help.
-
All purchases include a 1-year warranty, help.
Trusted Global Payment Methods
Description
The 1784-KT is an 8-bit ISA-bus communication interface board designed to link personal computers and industrial workstations with Allen Bradley programmable logic controller networks. Operating as a hardware node on Data Highway Plus (DH+) networks, it enables high-speed data access, system configuration, and online programming across PLC-2, PLC-3, and PLC-5 controller systems.
Bus Architecture and Hardware Configuration
The card installs into standard 8-bit or 16-bit ISA expansion slots on industrial PCs. DIP switches mounted directly on the circuit board allow technicians to configure I/O port address settings and select hardware interrupt lines (IRQ3, IRQ4, IRQ5, or IRQ7) to eliminate system resource conflicts.
Power is drawn directly from the host computer expansion backplane, requiring 0.40 A at 5 VDC and 0.04 A at ±12 VDC. The board features an onboard 62-pin high-density D-shell interface connector for linking to field networks and controllers via dedicated cable assemblies.
Protocol Support and Data Throughput
Supporting both synchronous DH+ network communication and asynchronous serial communication standards, the 1784-KT delivers significantly higher throughput than standard RS-232 serial links. It handles synchronous DH+ data transfer rates up to 57.6 kbaud and asynchronous operations up to 19.2 kbaud.
This board establishes point-to-point or multi-drop node connections across DH+ links, allowing engineering software installed on the host PC to communicate directly with field-installed controllers for real-time diagnostics and program uploads or downloads.
| Parameter | Specification |
|---|---|
| Model | 1784-KT |
| Brand | Allen Bradley |
| Product Type | PC Communication Interface Board |
| Bus Interface | 8-Bit ISA (Compatible with 8/16-bit ISA slots) |
| Network Protocols | Data Highway Plus (DH+), Serial |
| Target Controller Compatibility | PLC-2, PLC-3, PLC-5 Series |
| Synchronous Baud Rate | Up to 57.6 kbaud |
| Asynchronous Baud Rate | Up to 19.2 kbaud |
| Interrupt Channels | IRQ3, IRQ4, IRQ5, IRQ7 (Hardware Selectable) |
| Addressing | DIP Switch Address Selectable |
| Connector Type | 62-Pin High-Density D-Shell |
| Input Current (5 VDC) | 0.40 A |
| Input Current (±12 VDC) | 0.04 A |
| Weight | 0.14 kg (0.30 lbs) |
Frequently Asked Questions
Q: What system slot is required to install the 1784-KT card? A: The 1784-KT is an 8-bit half-size ISA expansion card and requires a standard 8-bit or 16-bit ISA expansion slot on the host computer backplane.
Q: Which Allen Bradley controller families can communicate through the 1784-KT interface? A: It supports communications with PLC-2, PLC-3, and PLC-5 programmable controllers over DH+ network configurations.
Have a Question?
-
Focus on Benefits:
We focus on what truly matters to industrial buyers — authentic products, reliable stock, and fast global delivery. Explore how we support your operations with trusted sourcing and expert service.
-
Why You Can Trust Us:
We go beyond parts — delivering reliability, speed, and expertise trusted by industrial buyers worldwide.
-
Trusted by Global Clients
Serving thousands of companies across oil & gas, power, manufacturing, and more — from Fortune 500 enterprises to local distributors.
-
Uptime Is Our Priority
Downtime is costly. That’s why we ensure rapid access to critical parts, minimizing production interruptions and delays.
-
Experts in Sourcing Rare Parts
Our team specializes in finding hard-to-source and obsolete components — saving you time, risk, and procurement headaches.
-
One-Stop Automation Supply
We offer complete automation part solutions — PLCs, drives, sensors, HMIs, relays — with expert guidance every step of the way.
Testimonials
Fast Delivery, Excellent Quality
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
Reliable Partner for Original Parts
Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Professional Service with After-Sales Support"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
Trusted Source for Industrial Automation Spares
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson