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Entries for the 'PLC' Category

Beckhoff Visits DMC Chicago to Talk TwinCAT 3 and EtherCAT

DMC recently hosted Daymon Thompson and Mike Rauch of Beckhoff Automation who shared with DMC the latest updates on the TwinCAT (The Windows Control and Automation Technology) platform. TwinCAT is a software system from Beckhoff that can turn almo...


Downgrading Siemens PLC Projects From V15 to V14 SP1

Siemen’s TIA Portal provides quite a few useful features that make it very easy to update and maintain code. Updating projects from one version to the next is as easy as opening the project in the newer version of Portal. However, there ar...


Custom Data Logging using a Siemens Comfort Panel and VB Script

I recently worked on a project that required the use of data logging. However, the formatting of Siemen's data logging was not ideal for this implementation. So, I made my own version of data logging using Visual Basic scripts on my Comfort ...


How to Fix a PLC 5 Red Fault Light

So, you either had a system that was working and then a red light showed up, or you bought a used PLC and the fault light showed up. Here's how to fix the fault light.  If the "BATT" Light is Red You should replace the ...


Siemens Summit 2018 Highlights

The 2018 Siemens Automation Summit was held last month at the JW Marriott Beach Resort on Marco Island, Florida. Twelve DMC representatives from around the country met to attend the annual conference from June 25-28. Fresh off ...


6 Things You Should Know When Commissioning a SIMATIC S7-400 PLC

Your code compiles, hardware config is all set, but you can't get rid of the red lights on the 400H system. Check the following before pulling out your soldering iron and green LEDs.    1. Are the rack switches correct? If you ...


10 More DMC Engineers Pass the Siemens Certification Exam

DMC has a lot of Siemens Certified Engineers. In fact, we have the most in the United States. As we continue to grow, so does our number of Siemens experts. After a recent Siemens Global Certification exam in the Chicago suburbs, we are proud to...


How to Upload A Project From A MELSEC F-Series PLC

Need to upload a project from a MELSEC F-series PLC? You're in luck! This tutorial explains how to upload the software on a MELSEC F-series PLC using GX Developer, the MELSOFT developing platform for this line of controllers.  &...


Using an S7-1500 PLC as a Modbus RTU Slave

Need to make data available from your 1500 PLC to a Modbus RTU master? As long as you have a Modbus RTU capable serial communications adapter module, setting up a Modbus RTU server is pretty simple. Communications Adapter Since S7-1500 PLCs ...


WinCC OA Object Oriented Programming with Ctrl++

As demonstrated in the blog Siemens WinCC OA - The Open Architecture SCADA Package, I’m a huge fan of the WinCC OA (OA) package from Siemens and the platform continues to evolve with usability improvements. One of those improvements is the i...


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