Allen Bradley 1784-PCMC PCMCIA DH+/DH- Communication Card

FAQ

Q1: What is the Allen-Bradley 1784-PCMK used for?
A1: The 1784-PCMK is a PCMCIA communication card used to connect laptops and portable computers to Allen-Bradley DH+ and DH industrial networks for PLC programming and diagnostics.

Q2: Which communication networks are supported by the 1784-PCMK?
A2: The card supports both Data Highway Plus (DH+) and Data Highway (DH) communication networks.

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

Q4: What communication speeds are supported by the 1784-PCMK?
A4: The card supports communication speeds of 57.6 kbps, 115.2 kbps, and 230.4 kbps for DH+ networks.

Q5: Which Allen-Bradley software packages are compatible with the 1784-PCMK?
A5: The card works with software such as RSLinx, RSLogix 5, and RSLogix 500 for PLC communication and troubleshooting.

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

Q7: What are the common applications of the 1784-PCMK?
A7: Common applications include PLC programming, DH+ communication, industrial troubleshooting, factory automation support, and legacy Allen-Bradley network maintenance.

Q8: Does the 1784-PCMK require an external power supply?
A8: No. The card receives power directly from the host computer’s PCMCIA slot during operation.

1784-PCMC Allen Bradley

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