Allen-Bradley 1747-KE Error 485: The DH485 port is not active for communication.

Allen-Bradley 1747-KE module · taken from the manufacturer’s manual, pages cited

Fault code485

The DH485 port is not active for communication. The manual's first action is: “Check DH-485 cabling. Make sure the module's JW4 jumper is not in Configuration mode.”

Model
Allen-Bradley 1747-KE
Display shows
The DH485 port is not active for communication. (485)
Type
Fault code
Source
Manual p. 86

What 485 means

The DH485 port is not active for communication. p. 86

Common causes

  • The DH485 port is not active for communication. p. 86

What to do

  1. Check DH-485 cabling. Make sure the module's JW4 jumper is not in Configuration mode. p. 86

If 485 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Allen-Bradley service.

This page summarises what the manufacturer’s manual says about 485; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Allen-Bradley. Found a mistake? Report an error.