This article explains how to solve the issue when there is an Ecatcher connection without a problem, but TIA portal can't reach the PLC.
APPLICABLE PRODUCTS
- Ewon Cosy+ / Cosy 131
- Ewon Flexy
PRE-REQUISITES
Having installed Ecatcher and Talk2M Tap adapter.
IN THIS ARTICLE
We have noticed that in some cases to establish a VPN connection to the PLC. It is necessary to leave only TCP IP/v4 protocol activated in the TAP adapter.
Uncheck everything except for IPv4.
It is not possible to make this configuration by default due to permission rights in the operating system.
After reinstalling Ecatcher software or updating it, it is necessary to redo the above settings again.