Using the MicroLogix 1400′s LCD To Change Trim Pot Values

In today’s article, we show you how to use it to change the Micro’s Digital Trim Pot values:

Changing Trim Pot values on the MicroLogix 1400

1) When the MicroLogix 1400 is powered on, it displays the I/O Status screen as shown below:

2) To change the Micro’s Trim Pot values, we need to access the LCD menu. To do this, press the ESC button and you should see the display below:

4)  Now press the down arrow button three times to select “TrimPot Set,” then press the OK button:

5) Now select either “LCD:0.POT0” or “LCD:0.POT1,” and press the OK button.

6) Here you see the Trim Pot Min and Max values (TMIN and TMAX) as well as the value for POT0 (or POT1) flashing:

7) Use the Left and Right Arrow buttons to select a POT digit. Then use the Up and Down Arrow buttons to change the selected digit’s value. When done press the OK button.

8) To return to the I/O Status display press the ESC button until you see the main menu. Then select “I/O Status” and press the OK button:

I hope the above procedure on how to use the MicroLogix 1400’s LCD display to change it’s Trim Pot values was helpful.

If you have any comments, questions, suggestions, or corrections, please feel free to leave them with us by filling out the “post a comment or question” link below.

Until next time, Peace ✌️ 

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Shawn M Tierney
Technology Enthusiast & Content Creator

Eliminate commercials and gain access to my weekly full length hands-on, news, and Q&A sessions by becoming a member at The Automation Blog or on YouTube. You'll also find all of my affordable PLC, HMI, and SCADA courses at TheAutomationSchool.com.

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Shawn Tierney

I'm a lifelong Technology Enthusiast who started programing in the early 80's on the new Apple II and VIC-20 personal computers. After earning a degree in Electronics, I worked as a Certified Automation Specialist for 25 years before leaving to focus on teaching at The Automation School, as well as publishing industry news and product how-to’s at The Automation Blog.

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