Differences Between IT and OT Network Security
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Differences Between IT and OT Network Security

Ethernet is used extensively in industrial automation applications, and in the office environments of industrial firms. This leads many to believe the network security procedures used in the office can simply be applied to industrial networks. While this would make implementation easier, it’s not that simple as there are some important distinctions between security practices…
Deterministic Ethernet and TSN | AutomationDirect
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Deterministic Ethernet and TSN | AutomationDirect

Deterministic Ethernet and Time Sensitive Network (TSN) are current industrial automation buzzwords—both related to how control data and information can flow through network pipes. A little history and understanding of industrial fieldbus communications will help explain where we are now and where we’re going with deterministic Ethernet and TSN. The history starts decades ago when…
Layered Security Goes Beyond Hardware In IIoT Implementations
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Layered Security Goes Beyond Hardware In IIoT Implementations

Industry is certainly starting to take note of the IIoT, which raises cybersecurity issues because it requires connecting field devices and other automation system components to the outside world, often through the internet. Connectivity capability is built into many automation components, typically via an Ethernet port, but can these connections be made secure?
Are You “Data-driven"? |Industry Survey
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Are You “Data-driven"? |Industry Survey

With all the talk lately about Big Data and the IIoT, we got to thinking about how much of an impact these trends would have on our industry. Since the primary goal of these two trends is to improve bottom lines/profit margins through data collection, data analysis and remote access, we were curious as to…
A Quick View of SCADA in Oil and Gas
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A Quick View of SCADA in Oil and Gas

For quick and secure access to production and process data, a PC-based supervisory control and data acquisition (SCADA) system is often the best solution. Whether upstream, midstream or downstream in the process, data can be collected by the SCADA system using a variety of built-in tools. Once collected from controllers and smart devices, the data…
Giving OEMs Freedom Gets Best Results
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Giving OEMs Freedom Gets Best Results

Owners, managers and other decision makers in production facilities should focus on how purchased equipment fills production needs to get the best pricing, delivery and support from machine and process skid builder OEMs. Unfortunately, some instead focus on component specification details, which can make it difficult for OEMs to provide the best pricing, delivery and…
EtherNet/IP | Automation Notes
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EtherNet/IP | Automation Notes

As technology advances, so does the speed at which it communicates. And with the advances made in industrial controls, the need for high-speed data transmission became a priority. As a result, Ethernet communication became more and more prevalent in industrial networks and prompted many industrial equipment manufacturers to implement their own Ethernet communication protocols. These…
Linking Machines to IT Systems
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Linking Machines to IT Systems

Once upon a time, individual machines were stranded on an island, or just linked to other machines using a few discrete I/O and dry contact relays. Then came machine-to-machine data links such as a proprietary PLC-based network. Today, and certainly in the future, machines are being linked to IT systems.
PLC Communications - Coming of Age
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PLC Communications - Coming of Age

PLC communications has grown and changed over the many years since the controller’s inception decades ago. Industrial needs and technological advances have kept PLC communications evolving, and this post will explore some past and present communication standards, and what the future may hold. PLC Partners in Communications PLCs need to communicate to a number of different…