Unknown model number error when learning I2/b3 device.

Issue

Performing an automatic learn or manually commissioning i2/b3 device results in the error "Unknown model number"

ACCTrace shows a model number zero

Product Line

Andover Continuum

Environment

CyberStation

CX/bCX

I2/B3

Cause

This error can be caused by communication issues.

Resolution

Verify field bus is properly terminated if required.

Follow standard Infinet/MSTP troubleshooting techniques to solve any communication problems inducing the unknown model error.