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Archive For: Communications

PLC Communications | Coming of Age

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 ... Read More
 
EtherNet/IP for Productivity3000

EtherNet/IP for Productivity3000

Now that EtherNet/IP is supported by the Productivity Series of controllers, you can seamlessly communicate with EtherNet/IP enabled devices like Advantec Adam Remote IO devices, AMCI Absolute Encoders, Beckhoff I/O devices, Allen Bradley FlexDrives, AMCI Motion and pretty much anything else that supports the EtherNet/IP Explicit and Implicit protocols.   * New! … EtherNet/IP™ Scanner/Adapter as a Standard Protocol The Productivity3000 controller ... Read More
 
Industrial Ethernet or Fieldbus Network?

Industrial Ethernet or Fieldbus Network?

With only about a quarter of the overall installed base of industrial networking using 4-20 mA and other hardwired methods, fieldbus communication systems are becoming the de facto choice for automation. Now the debate is shifting to the question of whether fieldbus-based networks will remain the standard or if it will be supplanted by industrial ... Read More
 
How to Improve Process Control by Automating Data Flow

How to Improve Process Control by Automating Data Flow

Whether you are responsible for a manufacturing facility, a utility plant or a bio-dome—you need to control and know what’s going on in your processes. Properly managing information is imperative to improving your process control—specifically controlling, monitoring and maintaining information flows into and out of your process control system. Most processes consist of the machines, ... Read More
 
High-Speed Ethernet Communication Available For DL405 PLCs

High-Speed Ethernet Communication Available For DL405 PLCs

AutomationDirect now offers the H4-ECOM100 Ethernet communication module for DirectLOGIC DL405 PLCs. The H4-ECOM100 can be inserted into any I/O slot of any local DL405 base, including expansion bases when using the DL450 CPU and -1 bases, to implement master/slave Ethernet communication at 10 or 100 Mbit data rates. The module supports the industry standard Modbus TCP ... Read More
 
Demystifying Network Communications

Demystifying Network Communications

For many, the world of communications is mystifying, shrouded in complexity and unknowns with equal parts science and magic, and 100% scary. We would like to define some common terms and show you how they fit together so you’ll find that networking is no more complicated than ordering a hamburger at a drive-through. Let’s take ... Read More
 
The Evolution of Wireless Communication

The Evolution of Wireless Communication

In 1901, Guglielmo Marconi used Morse code to communicate the letter “s”. This transmission was an analog equivalent of a “digital” signal. By 1914, the Marconi Company was engaged in experimental voice transmissions that laid the groundwork for broadcast radio. With the advent of short wave radio, costs came down and reliability went up, ensuring ... Read More
 
The Evolutionary PLC: Past,  Present and Future

The Evolutionary PLC: Past, Present and Future

Everyone knows there’s only one constant in the technology world and that’s change – inevitable change. This is highly evident in the evolution of PLCs and their varied applications. Let’s take a look at yesterday’s focus and more importantly, today’s and beyond. Preparing and equipping users to meet the challenges of technological change head-on is ... Read More
 
HMIs and PC Control: Upwardly Mobile With Upscale Connections

HMIs and PC Control: Upwardly Mobile With Upscale Connections

Remember when you had to be an artist to design HMI faceplates that resembled your process? Remember configuring your HMI software by filling in cryptic addresses and values, something resembling the Microsoft® Windows™ registry? Remember when your HMI was a dedicated system that only connected to a single process? Or when it was cool to ... Read More