Allen Bradley PLC Programming Communication Cable

FAQ

Q1: What is the Allen-Bradley 1784-CP10 used for?
A1: The 1784-CP10 is a serial communication cable used for connecting a PC to Allen-Bradley PLC-5 and SLC controllers for programming, troubleshooting, and data transfer.

Q2: What connectors are included on the 1784-CP10 cable?
A2: The cable includes a DB9 male connector for the PC side and a DB25 male connector for the PLC side.

Q3: Which Allen-Bradley controllers are compatible with the 1784-CP10?
A3: The cable is compatible with PLC-5 controllers and many SLC 5/01 through SLC 5/05 processors that support RS-232 DF1 serial communication.

Q4: What communication protocol does the 1784-CP10 use?
A4: The cable uses DF1 Full Duplex serial communication over an RS-232 connection for controller programming and diagnostics.

Q5: What is the cable length of the 1784-CP10?
A5: The standard cable length is approximately 10 feet, or about 3 meters.

Q6: Is the 1784-CP10 still available from Rockwell Automation?
A6: No. Rockwell Automation discontinued the 1784-CP10 on December 31, 2019, and no direct replacement has been announced.

Q7: Can USB-to-Serial adapters be used with the 1784-CP10?
A7: Yes. Many technicians use USB-to-serial adapters together with the 1784-CP10 cable when connecting modern laptops to legacy PLC systems, although adapter compatibility can vary.

Q8: What are the common applications of the 1784-CP10?
A8: Common applications include PLC programming, uploading and downloading controller logic, diagnostics, maintenance troubleshooting, and legacy Allen-Bradley system communication.

1784-CP10 Allen Bradley

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