Lubrication basics

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I recently went to a seminar on lubrication basics. Mike Deckert of Flo Components Ltd presented this. So why talk about Lubrication on an industrial automation website? Lubrication is vital in maintaining uptime on equipment. It is often thought of near the end of most automation projects, but it should be a principal component of all … Read more

Master PNP & NPN Sensor Wiring: Pro PLC Connection Secrets!

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Here’s a Quick Way to Wire NPN and PNP devices I often get asked how to wire NPN and PNP devices to the programmable logic controller. This can be unclear at first when looking at the wiring diagrams. I have managed to destroy a few sensors in the process….. so let’s get started, and I … Read more

How to make a Start Stop Jog circuit in a PLC

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Looking at a stop-start jog circuit in the PLC will help us understand the differences in hard-wiring the circuit and programming. Basic Start Stop Circuit Let’s start with the primary start-stop circuit. Here is what it looks like hard-wired. (Physical switches wired to outputs devices, such as motor contactors and relays.) When the start pushbutton … Read more

Adjusting Daylight Savings Time In Do-More

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Adjusting Daylight Savings Time In Do-More

I am adjusting for daylight saving time (DST) in Do-More PLC. When does daylight savings time (DST) start and end? On the first Sunday in November, areas on Daylight Saving Time return to Standard Time at 2:00 am local time. Canada Daylight Saving Time begins at 2:00 am local time on the second Sunday in … Read more

Now You Can Have Robust Data Logging for Free – Part 12

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Now You Can Have Robust Data Logging for Free – Part 12 HTML and Scripting Languages  We have the following accomplished: PLC program Visual Basic Program Data collected in a Database IIS web service established ASP Script Written Let’s take a closer look at the ASP Script ( AccRL.asp) that was written in part 11: … Read more

Now You Can Have Robust Data Logging for Free – Part 11

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Now You Can Have Robust Data Logging for Free – Part 11 HTML and Scripting Languages  We have the following accomplished: PLC program Visual Basic Program Data collected in a Database IIS web service established The IIS web service machine must have the Microsoft Access Database Engine 2010 installed. The following link can obtain this: … Read more

Now You Can Have Robust Data Logging for Free – Part 10

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Now You Can Have Robust Data Logging for Free – Part 10 Computer Web Server (IIS)  We have come a long way. The PLC program has been written. The primary visual program has been reported. Information is now being collected from the Do-more PLC via Modbus TCP and stored in a database using visual basic. … Read more

Now You Can Have Robust Data Logging for Free – Part 9

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Now You Can Have Robust Data Logging for Free – Part 9 Computer Program Visual Basic (VB6) Continue   The final code will be completed for the program. If you want a link to download the complete code, go to the contact page and put a Robust Logger Program in the description. The actual code … Read more

Now You Can Have Robust Data Logging for Free – Part 8

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Now You Can Have Robust Data Logging for Free – Part 1 Now You Can Have Robust Data Logging for Free – Part 2 Now You Can Have Robust Data Logging for Free – Part 3 Now You Can Have Robust Data Logging for Free – Part 4 Now You Can Have Robust Data Logging … Read more

Now You Can Have Robust Data Logging for Free – Part 7

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Now You Can Have Robust Data Logging for Free – Part 1 Now You Can Have Robust Data Logging for Free – Part 2 Now You Can Have Robust Data Logging for Free – Part 3 Now You Can Have Robust Data Logging for Free – Part 4 Now You Can Have Robust Data Logging … Read more