Ethernet Basics
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Ethernet Basics

Ethernet has become a prominent method of communication in industrial automation. Its ease of use, speed, and versatility have allowed it to surpass the older, closed-off, proprietary means. Not only that, but Ethernet has also introduced automated systems to a whole new world of possibilities with connections to high-level IT systems, remote/mobile access, cloud computing,…
Ethernet Dos and Don’ts
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Ethernet Dos and Don’ts

With the popularity of the Industrial Internet of Things (IIoT), industrial Ethernet applications are expanding. The IIoT is helping collect data on plant floors and is using Ethernet cables, connector and switches as key components. Industrial protocols such as Modbus TCP/IP and EtherNet/IP help connect edge devices and instruments to controllers and HMIs. Not only…
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…
Putting Ethernet into Operation
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Putting Ethernet into Operation

Industrial Ethernet is widely used in manufacturing and other applications to connect devices including advanced controllers, PLCs, I/O and servo devices—using a wide variety of configurations and hardware. Industrial Ethernet is also used for connecting upper level enterprise, manufacturing, quality and historian applications to HMIs and cell controllers. All of these connections are implemented through…
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…
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…
EtherNet/IP: Implicit vs. Explicit Messaging
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EtherNet/IP: Implicit vs. Explicit Messaging

EtherNet/IP is younger than you and me, but still approaching maturity as it just reached its 15th birthday. Over the years, it has grown into an impressive industrial Ethernet communication network for connecting automation equipment, processes and machines. Keys to its success are the network and transport layers where explicit and implicit messaging takes place;…