Troubleshooting Index Changes Issue when Pasting from SLC Library in RSLogix 500

Question:

I am having trouble changing the indexes after pasting from the SLC Library. My attempt to do so with a simple rung like XIC B3:0/0 OTE B3:0/1 did not work. After copying to the SLC Library, I selected Address Load Mode as Indexed and then clicked on "Edit Index". I tried changing the indexes to B3:0/2 and B3:0/3 before clicking "OK", but the changes did not take effect. The indexes remained the same as the original.

Top Replies

Welcome to the forum! When pasting from the library, be sure to select the 'paste from library' option. Then, choose 'file' and open it. Next, select 'indexed' for the local address mode. After that, select 'edit index' and click on the fixup area for B3/0, changing it to B3/2. Press the tab key and ensure the type is set to 'base'. Lastly, B3/1 should now be changed to B3/3. I hope this step-by-step guide helps! - James

I recently watched a tutorial on YouTube that explained a similar process to what you described. It seems like there may be a setting or step that I am overlooking. Specifically, I am attempting this with a MicroLogix 1400 ser. C.

Instead of copying from the SLC library, I prefer to utilize Excel to create my own sequences and then import them. This approach allows for more customization and control over the process. Excel is a versatile tool that can streamline the creation of rungs and improve efficiency in programming.

I conducted a search online for "RSLogix 500 ladder logic in Excel" and discovered a method for accomplishing this task.

mafokken mentioned following a tutorial on RSLogix that covered Mapped IO and SLC copy paste, similar to the explanation provided. It seems like there may be a setting error or something being done incorrectly while trying to implement it on a MicroLogix 1400 ser. C. Any suggestions on how to troubleshoot this issue would be greatly appreciated. Thank you.

It sounds like you've mostly got the right idea, but you might be missing a step in the process. After you click "Edit Index", make sure to select the address you want to change from the Index column before making your modification, and ensure that you're indeed in the Address Load Mode. Also, it's crucial to click "Save" or "Apply" (whichever your version uses) after making changes. Sometimes it's the smallest overlooked detail that can make the difference. I hope this helps, and don't hesitate to ask if you're still having trouble!

It sounds like you're following the correct steps, but remember, after clicking "Edit Index" you need to select "Fixed Index" then input your desired value (in this case B3:0/2 and B3:0/3). Afterward hit "OK". If you're still having issues, it's possible that there might be a bug in your software version, in which case, it would be a good idea to consider updating or reinstalling.

It sounds like you're following the correct steps, so it's a bit puzzling why the changes aren't being retained. One possibility might be that you're dealing with a read-only file or locked rung which prevents any modifications. You could try creating a test project and see if it allows you to change the indexes there. If that works, cross-check the settings of your initial project. Another possible but less likely solution could be software or version-related issue. Make sure your software is up-to-date.

It sounds frustrating that your index changes aren't sticking! Have you tried saving the project or rebooting the software after making the changes? Sometimes, certain software environments can be a bit finicky with updates. Also, double-check if there are any permissions or locking settings preventing changes to those addresses. Lastly, make sure you're in the right part of the editor to apply those index changes properly; sometimes it helps to be in a specific mode to make those adjustments take effect.

It sounds like you're running into a common hiccup with indexed addressing in the SLC Library. Have you checked if the data table is set up correctly to allow for indexed addressing? Sometimes, if the destination tags aren't configured properly or if there’s a restriction on your controller's settings, it might prevent those changes from sticking. Also, try closing and reopening the program after making your edits—sometimes a simple refresh can help it recognize the changes. If that doesn't work, ensure that you have the latest version of your software, as bugs can sometimes interfere with functionality. Good luck!

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Frequently Asked Questions (FAQ)

FAQ: 1. Why am I unable to change the indexes after pasting from the SLC Library in RSLogix 500?

Answer: Answer: This issue might occur due to incorrect settings or procedures during the index change process. Make sure to follow the correct steps for editing indexes in RSLogix 500 after pasting from the SLC Library.

FAQ: 2. What could be the reason for changes not taking effect when editing indexes in RSLogix 500?

Answer: Answer: The changes not taking effect could be a result of a mismatch between the pasted content and the editing process. Double-check the sequence of steps followed for editing indexes, ensuring that the changes are accurately applied.

FAQ: 3. How can I successfully modify indexes in RSLogix 500 after pasting from the SLC Library?

Answer: Answer: To modify indexes effectively, ensure that the Address Load Mode is set to Indexed and follow the correct procedure for editing indexes in RSLogix 500. Verify that the changes are reflected in the rung after clicking "OK".

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