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Building Highly-Available Automated Systems with Redundancy

Posted by Ray Labbe

Redundancy is something that every company strives for in their automated process, but is one of the hardest functionalities to implement successfully. Companies across the globe are working with solutions comprised of disparate devices, HMI/SCADA systems, historians, and MES systems—each of which has various support for integrating a redundant solution. As an Applications Engineer at Kepware, I have the privilege of answering the question, “How can we implement a redundant automated solution?”

I’m happy to say that by leveraging Kepware’s portfolio of products, redundancy is possible even for customers with unique environments. One of the tools we provide is Media Level Redundancy, an advanced option for KEPServerEX that is supported in Master drivers and drivers that do not require third-party interface cards or library files. Accessed in KEPServerEX through the driver's Device Properties | Redundancy tab, Media Level Redundancy (MLR) was enhanced in the June 2015 release of KEPServerEX version 5.18.


Tips for Troubleshooting Your Communication Issues with Wireshark

Posted by Ray Labbe

Communication issues within industrial or information technology networks are some of the hardest to troubleshoot and isolate in any industry. Even a simple network has a variety of potential failure points. Are packets getting dropped by a router? Is a device unresponsive because of too many requests? Is the device configuration incorrect and preventing the proper establishment of communications? Luckly, there are a variety of tools and techniques available to help isolate the root of these issues. One of the more powerful tools available is an application called Wireshark.