EL125x - Delivery state  

It is not necessary to make any particular settings when operation of the EL1252 or EL1254 is first started.

TwinCAT version note

The terminals can be used without restriction under Beckhoff TwinCAT versions from build 1315 up. The online description of the terminal from EL1252-0000-0017 is to be used exclusively under earlier TwinCAT 2.10 builds. As an alternative, you can download the latest suitable XML file from the download area of the Beckhoff web site (at https://www.beckhoff.de/english/download/default.htm?id=69071317099797) and install it in accordance with the installation instructions.