Why is there a communication issue with ABB Remote I/O RIO600 I/O Systems due to a firewall?
- NNicholas MooreAug 3, 2025
If you're experiencing persistent communication issues with ABB I/O Systems, the firewall configuration on your host PC might be the culprit, preventing FTP and ping commands from functioning correctly. To resolve this, review your firewall settings and open the necessary TCP/IP and UDP ports.