Information as below
- Ignition Version: 8.1.23
- Issue: Socket connection closed every 30 minutes
- PLC: Allen Bradley Micrologix 1400
We did the ping testing at same time, there is no network issue. If expert have any idea, please share your experience with me, Thanks.
Connection reset is coming from the ML1400 itself, or perhaps from a firewall along the path. Some firewalls don't like long-duration continuous connections. 30 minutes sounds suspiciously like a firewall timeout.
Using wireshark between the PLC and its network switch, and simultaneously between Ignition and its network switch, would provide a definitive answer.