Exchange Data Between Simatic S7 PLCs on Different Subnets

Easy data exchange between two Siemens Simatic S7 PLCs on different Ethernet subnets using a PN/PN Coupler Suppose you have two Simatic S7 PLCs, like a S7-1200 and S7-300, on different Ethernet subnets and you need to exchange some data...

Upgrading Legacy Winder and Slitter Positioning Control Systems

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In today's article, Jeff Turcotte of PLC Concepts discusses winder and slitter positioning control system upgrades, and how his company's upgrades increase throughput and reduce downtime. Written by Jeff Turcotte, PLC Concepts Inc: Over the Holidays I had the pleasure of...

Connecting ControlLogix to Simatic S7-300 via Ethernet

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In this article I'll walk you through how to setup a connection between an Allen Bradley CompactLogix 1769-L36ERM controller, and a Siemens Simatic S7-300 PLC CPU 315-2PN/DP via Ethernet using the Prosoft PLX31-EIP-SIE Gateway. There is a really big problem...

Careers in Industrial Automation

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When you think "industrial automation" you may visualize robotic arms putting cars together on an assembly line. The field is about so much more than that. Industrial automation covers everything from robotics to the tiny devices that run them. A more...
The Engineers Are Leaving

The Engineers Are Leaving – what to do before they do

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The day has finally arrived.  FAT and SAT tests are complete.  All punch list items are closed. The commissioning engineers are about to leave your site, handing over the keys to your new automation system as they depart. This is as...
Downtown Boston

The Financial Implications of the Manufacturing Re-Shoring Trend

It is apparent from recent news that the financial picture of global manufacturing is in flux. It’s quickly becoming apparent, as many analysts have said, that manufacturing is quickly becoming a more global picture. The implications of this idea...