This article describes how to solve the error when downloading the configuration of CM CANopen.
APPLICABLE PRODUCTS
CM CANopen (021620-b)
QUESTION
When downloading the configuration via USB cable in CM CANopen Configuration Studio tool , a pop-up message says download failed, Connection timed out on Read?
ANSWER
The CM module was not configured in PLC.
- The CM module need to be configured in Siemens TIA Portal first, then download the configuration to module in CM CANopen Configuration Studio tool.
- If you are still getting the error despite configuring the CM module in TIA Portal, you can also try doing a memory reset in TIA Portal for the complete PLC with the CM module attached.
This can be done in TIA Portal online connection using the MRES button: