When designing a control system, sometimes it becomes necessary or advantageous to communicate with devices that were not made by the PLC manufacturer. If these devices need to be placed on an Ethernet, DeviceNet or Profibus network there are methods …

Non-Native Devices: .eds and .gsd files Read more »

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Today’s topic involves a project I have been working on over the last few months. The project consists of adding process equipment including tanks, pumps, valves and instrumentation to an existing system… while it is running. Because production runs 24 …

Ladder Logic 303: PLC Forensics Read more »

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One of the best things about teaching technical classes around the country is getting to meet people from all kinds of different industries. Sometimes, like a couple of weeks ago in Raleigh, NC a class will have people from several …

Jargon, Buzzwords and Acronyms: Understanding the Process Read more »

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