Bus off condition (I/O connections broken)

What does 3-1 mean?

A 'Bus off' condition is detected, indicating that the connections between the controller and the I/O modules are broken. This prevents communication and operation of connected I/O.

• Bus off condition
• The connections between the controller and the I/O modules are broken

Click steps to track your progress.

1. 1

   Verify the number of local expansion modules in the project matches the number of modules that are physically installed in the system.

2. 2

   Verify all mounting bases are locked and I/O modules are securely installed on mounting bases.

3. 3

   Verify all 1734 POINT I/O modules are configured to use the Autobaud rate.