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Entries for the 'Allen Bradley PLC' Category

Writing Rockwell Ladder Logic in XML

Have you ever been coding the same thing over and over again, and thought “man, there must be an easier way to do this!” Well, I have. And luckily, so has Rockwell! The XML import feature allows you to generate repeat code with ease. ...


How to Commission an Allen Bradley PowerFlex VFD

PowerFlex VFDs are very adept drives capable of interfacing with a lot of options for control, configuration, and monitoring. However, this range of capabilities can be daunting and confusing for those unfamiliar with industrial VFDs, or new to Power...


Generating Buffering Routines on an Allen Bradley PLC Using Excel Macros

Allen Bradley PLC’s, both in RSLogix5000 and Studio5000, use a text-based language to assemble their ladder code. Each rung of contacts and coils can be translated to a line of code. This is a unique feature that gives the user several benefits...


Automation with an Arduino, PLC, or Custom Embedded Controls?

Automation and control come in a lot of different varieties and flavors. On the surface, Arduinos, PLCs, and embedded controls all appear to do the same function. So how do you determine which is best for your application? In this post, I’ll...


Setting Up a New Allen-Bradley PLC and HMI: Tips and Tricks

In this blog, I’ll walk you through the basic commissioning steps to get a brand-new Allen-Bradley PLC and HMI up and running. All the information covered here is also available in Rockwell’s help documentation, but I tried to distill out...


Easy Alarm Generation in RSLogix and FactoryTalk View Studio ME

Manually adding alarms in FactoryTalk View can be tedious. When you have a system with lots and lots of devices, as DMC often does, this can become nearly impossible. That’s why during one of our annual FedEx days, DMC engineers built a custom ...


Tips for Importing Allen-Bradley Tags into an InTouch HMI

Creating tags in a Wonderware InTouch HMI project that connect to your Allen-Bradley PLC is quick and easy for small projects. However, on projects with hundreds or thousands of tags, it can become time consuming! To speed up this proces...


Quick Solution For Rockwell BootP Communication Error

Have you ever been commissioning a new PLC late in the afternoon when something goes wrong? Yeah, us too. The other night, we faced the problem below and the solution blew our minds, so I had to share it. We were setting the IP Address on a new Al...


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 ...


How to Connect to an Allen-Bradley SLC 500 PLC

With most modern PLCs, all you need to start programming or troubleshooting is to plug in your laptop with a plain old ethernet cable. Older PLCs, however, tend to use a myriad of different cables and protocols. With a large number of legacy systems,...


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