| Scenario | Why I/O Check 3 is better | |----------|----------------------------| | A new coupler is blinking red | PLC program might not even run. I/O Check connects directly to hardware. | | You need to identify a module’s exact firmware | Quick readout without going online with Codesys. | | You have no engineering software on-site | I/O Check runs on any Windows PC, no license needed. | | You must verify I/O mapping before programming | Shows start address for each module. | | Fieldbus communication is down | Still works via local service interface (USB/RS-232). |
The tool functions as an easy-to-use Windows application to operate and display a WAGO I/O node without needing a higher-level fieldbus system.
