Determine Scan Time in ControlLogix

How to Determine Scan Time in ControlLogix There are several ways to Determine Scan Time in ControlLogix. One way is to simply look in RSLogix / Studio 5000. The properties of the task will tell us the max scan time, and last scan time. Another way is with the GSV Read More »

ControlLogix Scan Time

ControlLogix Level 2 Training

Introduction to ControlLogix Level 2 Training ControlLogix Level 2 Training is for those who have completed Level 1 (Maintenance and Troubleshooting). This includes troubleshooting data across PLC systems, Indirect Addressing, Function Blocks, and PID. You will also learn how to navigate Add-On instructions. ControlLogix Level 1 Review Typically, we’ll start Read More »


Custom ControlLogix Training

Introduction to Custom ControlLogix Training A good Custom ControlLogix Training class will use your own plant programs and schematics. Obviously, an instructor isn’t going to know everything there is to know about every system in your plant. However, they should be able to take the time to show the students Read More »


ControlLogix To Alexa

Introduction of ControlLogix To Alexa Today, we’ll discuss how to connect ControlLogix To Alexa. When a bit becomes true in the ControlLogix processor, we’ll have Alexa speak a specific phrase. Additionally, it’s possible to speak to Alexa to set a bit in the processor. However, for this post, we’ll just Read More »

Alexa Config

ControlLogix/NodeRed Data Log

Introduction to ControlLogix/NodeRed Data Log To set up the ControlLogix/NodeRed Data Log, you must first install Node-Red. Node Red is a free, open source service that allows you to integrate connections from different types of automation devices. There are many documented procedures and youtube videos on this. Node Red is Read More »

Node Red Data Log

Can’t Download to Faulted Controller

Introduction: “Can’t Download to Faulted Controller” If you get the error “Can’t Download to Faulted Controller”, we need to clear the fault before downloading. First of all, be sure you want to download to the processor. When you download, the existing logic is replaced by the logic in your offline Read More »

Go to faults

Clearing a Processor Fault

Introduction to Clearing a Processor Fault Clearing a processor fault is very easy, however, we need to first get a description of the fault. Basically, we know we have a recoverable processor fault on a ControlLogix when the OK Light is flashing red. On the other hand, a solid red Read More »


Studio 5000 (RSLogix) Training

Introduction to Studio 5000 (RSLogix) Training When looking for Studio 5000 (RSLogix) Training options, it’s important to find a company that will customize the course. You need a company who will adjust the course according to your training needs. At the same time, the instructor should have knowledge of the Read More »

Typical Classroom

ControlLogix Message Speed

Introduction to ControlLogix Message Speed In this post, I’ll perform an experiment to test the ControlLogix Message speed. I’ve set up two processors as shown below. Basically, I’ll create a time stamp when I initiate a message instruction. Another FlexLogix processor will receive this message, and immediate send a message Read More »


ControlLogix over the Internet

Introduction to ControlLogix over the Internet In this section, I’ll show you how easy it is to connect to a ControlLogix system over the Internet without proper security. Undoubtedly, using this procedure will cause a severe security threat. The purpose of this to show how easy a simple change in Read More »