Product Details
Product Overview
The Allen Bradley 1784-PCM6 establishes a high-speed, deterministic link within the Data Highway Plus (DH+) network architecture. This specialized 10-foot communication cable interfaces directly with PLC 5 controllers and PC-based interface cards, ensuring seamless data exchange across the plant floor. We provide this cable as 100% Brand New and Factory Original, guaranteeing the physical and electrical integrity required for legacy system maintenance and expansion.
Technical Specifications
The 1784-PCM6 utilizes precision-engineered shielding and connectors to maintain signal clarity at maximum baud rates:
| Feature | Specification |
| Cable Length | 10 Feet (3.05 Meters) |
| Connector Type | 8-Pin Circular Connector |
| Communication Protocol | Data Highway Plus (DH+) |
| Maximum Data Rate | 230.4 kbps |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Relative Humidity | 5% to 95% (Non-condensing) |
| Environmental Protection | Degree 2 Pollution Rating |
| Weight | 2.00 lbs (0.91 kg) |
Engineering Advantages
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Optimized Signal Integrity: The 1784-PCM6 incorporates high-density shielding that rejects electromagnetic interference (EMI) and radio frequency interference (RFI). This allows for reliable data transmission even when routed near high-voltage motor leads or variable frequency drives.
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High-Speed Deterministic Performance: Supporting data rates up to 230.4 kbps, this cable minimizes latency during critical I/O updates and messaging. It ensures that your PLC 5 system maintains the timing precision required for high-speed manufacturing processes.
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Rugged 8-Pin Connectivity: The circular 8-pin connector features a secure locking mechanism. This design resists accidental disconnection caused by machine vibration or physical impact, a common failure point in standard serial or commercial-grade cables.
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Extended Thermal Durability: The industrial-grade jacket material withstands temperature fluctuations from 0°C up to 60°C. It maintains flexibility in cold environments and resists degradation in hot control cabinets, preventing internal conductor fractures over years of service.
FAQs
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Is this 1784-PCM6 cable genuinely brand new?
Yes. We supply only 100% Brand New cables in original Allen Bradley packaging. We do not sell used, repaired, or "pull-off" cables, ensuring you receive a product with zero oxidation on the pins and a pristine outer jacket.
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Can I use this cable for DH-485 communication?
No. The 1784-PCM6 specifically supports the Data Highway Plus (DH+) protocol and the 8-pin port configuration typical of PLC 5 processors and 1784-PCMK interface cards. Verify your protocol requirements before installation.
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How do I ensure the best connection during installation?
Align the 8-pin keyway carefully before pushing the connector into the port. Once seated, tighten the locking collar firmly. Avoid tight bend radii (keep the bend radius at least 10 times the cable diameter) to prevent internal stress on the copper conductors.
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Does this cable require any external power?
No. The 1784-PCM6 acts as a passive communication medium. It draws no power and functions as a direct physical bridge between your programming device or interface card and the controller.
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
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Human-Machine Interfaces (HMIs) serve as the primary operational window into complex industrial automation systems. Modern HMIs convert raw machine data into clear graphical displays, enabling operators to oversee entire manufacturing processes in real time. Instead of relying on physical control panels full of hardwired switches, engineers program interactive screens using intuitive graphics, dynamic color coding, and responsive touch interfaces. Over my 15 years in control systems engineering, I have observed HMIs transform from basic display screens into sophisticated command centers that drive operational efficiency across DCS and PLC environments.
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.