Product Details
Product Overview
The Allen-Bradley 1784-PCM5 serves as a high-performance Data Highway Plus (DH+) communication cable, bridging the gap between portable programming terminals and the PLC-5 processor environment. It interfaces directly with 1784-PCMK PCMCIA cards to establish a stable, high-speed link for logic uploads, downloads, and online monitoring. Despite its legacy status in the global market, we supply this unit as 100% Brand New and Original, ensuring critical connectivity for industrial plants that maintain reliable PLC-5 infrastructure.
Technical Specifications
The 1784-PCM5 utilizes industrial-grade shielding to maintain signal integrity across Data Highway Plus and Remote I/O networks.
| Feature | Specification |
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Product Line | PLC-5 / 1784 Communication |
| Cable Type | Data Highway Plus (DH+) / Remote I/O |
| Connector Type | RJ45 to PCMCIA (for 1784-PCMK) |
| Communication Speed | Up to 230 kbps |
| Remote I/O Scanner Capable | Yes |
| Diagnostic Support | Loopback Diagnostics Test Capable |
| Weight | 0.50 lbs (0.23 kg) |
| Condition | 100% Brand New Original Stock |
Engineering Advantages
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Optimized Data Throughput: This cable supports communication speeds up to 230 kbps. It facilitates rapid data synchronization between the programming workstation and the PLC backplane, reducing the time required for large program transfers.
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Remote I/O Integration: Beyond standard DH+ messaging, the 1784-PCM5 enables Remote I/O scanner capabilities. This allows engineers to configure and troubleshoot remote racks directly from a laptop, eliminating the need for local hardware interfaces at every chassis.
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Built-in Diagnostic Integrity: The cable architecture supports Loopback Diagnostics Tests. This feature allows field technicians to verify cable and card health instantly, identifying physical layer faults before they impact production uptime.
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Secure Industrial Connection: The RJ45 connector ensures a positive mechanical lock into the communication port. This prevents accidental disconnections caused by industrial vibration or movement in the field during critical programming sessions.
FAQs
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Which PC cards work with the 1784-PCM5 cable? This cable connects specifically to the 1784-PCMK Series A or Series B PCMCIA cards. It enables these cards to interface with the DH+ ports on PLC-5 controllers, SLC 5/04 processors, or 1771-ASB remote I/O adapter modules.
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Does this cable support 115.2 kbps and 57.6 kbps rates? Yes. The 1784-PCM5 automatically handles the standard DH+ baud rates of 57.6 kbps, 115.2 kbps, and the maximum 230 kbps, provided the connected hardware and software drivers support these speeds.
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How do I troubleshoot a connection failure using this cable? First, perform the Loopback Diagnostics Test through the RSLinx configuration utility. If the test fails, check the RJ45 pins for debris and ensure the PCMCIA card seats fully in the host computer slot.
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Is this a "New-Open-Box" or used item? We guarantee this 1784-PCM5 is 100% Brand New. It arrives in its original factory packaging, ensuring the internal conductors and shielding remain free from the wear and internal fractures common in used legacy cables.
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
Understanding Marshalling Cabinets in Industrial Control Systems Architecture
Industrial control system deployments rely on structured signal distribution to bridge field instrumentation with central processing hardware. A marshalling cabinet serves as the vital intermediate connection point between heavy field home-run multi-pair cables and delicate input/output (I/O) modules housed inside Programmable Logic Controller (PLC) or Distributed Control System (DCS) enclosures. By segregating field cable terminations from control hardware, engineers maintain system flexibility, safeguard controller components, and streamline commissioning workflows.
FAT vs SAT in Industrial Control Systems: Key Differences and Execution Guide
Industrial control system deployment relies on strict verification protocols to guarantee operational safety, system stability, and regulatory compliance. Commissioning complex Programmable Logic Controller (PLC) racks, Distributed Control Systems (DCS), and Safety Instrumented Systems (SIS) requires two critical milestones: the Factory Acceptance Test (FAT) and the Site Acceptance Test (SAT). Both procedures validate that system automation meets design specifications, but they occur at different stages of project execution and target distinct operational risks.
Hub vs Switch vs Router in Industrial Automation Architecture
Modern factory automation relies on reliable industrial networking infrastructure to exchange real-time field data across operational technology systems. Engineers often encounter networking hardware like hubs, switches, and routers when integrating Programmable Logic Controllers, Distributed Control Systems, and SCADA monitoring nodes. Although these devices share physical ports, they operate at different layers of the Open Systems Interconnection reference model and deliver distinct traffic management capabilities.