Description
Detailed Technical Spec Sheet
- Brand: Allen‑Bradley (Rockwell Automation)
- Model: 1784-PCMK
- Product Type: PCMCIA Type II Industrial Communication Card
- Condition: Brand New Original
- Stock: In Stock Immediately
- Delivery Time: Shipped within 3 working days after payment confirmation
- Warranty: 12-month full functional warranty
- Physical Form Factor: PCMCIA Type II, 85.6 × 54 mm standard size
- Supported Protocols: DH+ (Data Highway Plus), DH-485, Remote I/O (RIO)
- Compatible PLC Series: PLC-2, PLC-3, PLC-5, SLC 500 controllers
- Software Compatibility: RSLinx Classic, RSLogix 5, RSLogix 500
- Supported OS: Windows XP / Windows 7 32-bit
- Required Hardware: PCMCIA 2.1 compliant laptop slot
- Matching Cables: 1784-PCM2, 1784-PCM4, 1784-PCM5, 1784-PCM6 series
- Power Consumption: Low power draw via PCMCIA slot supply
- Operating Ambient Temperature: 0°C ~ +50°C
- Storage Temperature: -40°C ~ +85°C
- Weight: Approx 0.12 kg
- Core Functions: Online PLC programming, real-time data monitoring, fault troubleshooting, program upload/download, I/O network diagnosis
- Application: Water treatment, petrochemical, packaging, metalworking factory legacy PLC system retrofit & maintenance

SEO Main Description Paragraph
The Allen‑Bradley 1784-PCMK is a dedicated PCMCIA communication adapter built to connect industrial laptops with Rockwell legacy PLC control networks. This 1784-PCMK card delivers stable bidirectional communication over DH+, DH485 and Remote I/O buses, supporting full online operation for PLC-5 and SLC 500 old automation equipment. As a portable maintenance tool, the 1784-PCMK allows field engineers to upload backup logic, monitor live register data and resolve network communication faults without fixed desktop setups. Designed for long-term stable field use, the 1784-PCMK eliminates frequent connection dropouts caused by unstable third-party converters. Every Allen‑Bradley 1784-PCMK unit passes complete protocol communication testing prior to delivery, supported by ready spot stock and long-term warranty to minimize production downtime for plant maintenance teams and automation system integrators managing aging control infrastructure.








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