The next time you are on a job site and the network is acting up, don't guess—diagnose. The is free, lightweight, and arguably one of the most valuable tools in the Siemens ecosystem for commissioning and maintenance.
While the software is free, Siemens requires you to have a registered account to download "export-restricted" software (a standard procedure for industrial tools). Download the ZIP: Download the PRONETA Basic ZIP file. proneta siemens download
It allows you to test the physical wiring of distributed I/O (such as ET 200 modules) by forcing outputs and reading inputs directly from your laptop, before a PLC is even installed or programmed. The next time you are on a job