Allen Bradley 1784-PCMK PCMCIA Communication Card

FAQ

Q1: What is the Allen-Bradley 1784-PCMK used for?
A1: The 1784-PCMK is a PCMCIA communication card designed to connect notebook computers to Allen-Bradley DH+, DH-485, and Remote I/O industrial communication networks for PLC programming and diagnostics.

Q2: Which communication networks are supported by the 1784-PCMK?
A2: The card supports Data Highway Plus (DH+), DH-485, and Remote I/O (RIO) communication networks used in legacy Allen-Bradley automation systems.

Q3: What type of computer slot does the 1784-PCMK require?
A3: The module requires a PCMCIA Type II slot commonly found on older industrial laptops and portable engineering computers.

Q4: Which Allen-Bradley controllers are compatible with the 1784-PCMK?
A4: The card is compatible with PLC-2, PLC-3, PLC-5, and SLC 500 controllers when used with the appropriate communication cable.

Q5: What communication cables are used with the 1784-PCMK?
A5: The card supports several cable assemblies including the 1784-PCM2/B, 1784-PCM4/B, 1784-PCM5/B, and 1784-PCM6/B depending on the target controller and network type.

Q6: Is the 1784-PCMK still available from Rockwell Automation?
A6: No. The 1784-PCMK has been discontinued by Rockwell Automation, although refurbished and surplus units are still available from industrial automation suppliers.

Q7: What replaced the 1784-PCMK communication card?
A7: Rockwell Automation generally recommends newer USB-based communication solutions such as the 1784-U2DHP for DH+ communication on modern computers.

Q8: What are the common applications of the 1784-PCMK?
A8: Common applications include PLC programming, industrial troubleshooting, DH+ communication, Remote I/O access, factory automation maintenance, and legacy Allen-Bradley network diagnostics.

1784-PCMK Allen Bradley

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