Allen Bradley 4NTR Ethernet Card vs. 2NT Ethernet Card

[pturmel]

Gigabit won't help you. Restructuring your PLC may help. Getting off IA's native driver may help.

I'm more than a bit biased, but you should read this topic and the related discussions to which it links:

Automation Professionals' EtherNet/IP Communication Suite V2

Automation Professionals is pleased to announce its latest EtherNet/IP Communications Suite driver module, a major upgrade to its EtherNet/IP Class1 Communications module, as a Public Beta. As of April 15, 2023, this is now a Production Release. The primary new feature is its new Generic EtherNet/IP Client Driver, a drop-in replacement for IA's Logix V21+ driver and its Omron NJ/NX driver. It does work with older Logix processors, and also works with Rockwell's MicroLogix 8xx family (ethernet…