If you want to extract and transfer a specific value from a UDT array to a DINT array in a Controllogix L32 V32 system, you can easily achieve this task. The UDT array, Array_0[1200], contains elements like Element_1 (DINT), Element_2 (DINT), and Element_3 (DINT) within each register. To copy Element_2 from all 1200 registers into another DINT array, Array_1[1200], follow these steps. For example, if Array_0[0].Element_2 = 1234, Array_0[1].Element_2 = 1235, and Array_0[2].Element_2 = 1236, the output will be Array_1[0] = 1234, Array_1[1] = 1235, and Array_1[2] = 1236. Implementing this process will help you efficiently extract and transfer specific data between arrays in your Controllogix system. Thank you for any assistance provided!
I would experiment with a similar approach like this.
To optimize performance and avoid potential scan order bugs, it is recommended to modify Scotty's solution by setting the Index to 0 and adjusting the length to 1200 to only focus on the COP. If this adjustment doesn't yield the desired result, consider incorporating a loop to execute the solution in a single scan rather than 1200 scans. This not only improves efficiency but also helps prevent slow code execution, especially if your code runs periodically.
The FAL instruction is a versatile tool that can achieve the desired outcome without the need for extensive looping or repeated scans. If you're worried about the time it takes to scan all 1200 items at once, you can utilize numerical mode to distribute them across several scans for better efficiency. This method helps to reduce the impact on scan time while still achieving the desired results.
Check out the website for more details on this topic. Looks like @plvlce was one step ahead of me!
Thanks for this succinct explanation! I've been struggling with data transfer in my Controllogix system for a while now, and your step-by-step approach makes it seem a lot more manageable. It's interesting how you can simplify complex operations into a series of steps, and your example really helped me visualize the process. I appreciate your help!
Thanks for this detailed guide - it clarified several points for me! One question, though: In the case where the UDT array updates in real-time, is there a way to automate this transfer process to keep the DINT array updated as well? I'm curious to know if there are specific add-on instructions or scripts that we could use for continuous syncing. Thanks in advance for your help!
That sounds like a great approach! Just to add, if you’re using a structured text or ladder logic program, looping through each index of the UDT array to access and transfer Element_2 to the DINT array is usually the most straightforward method. Also, don't forget to handle any potential array bounds to avoid overrunning your arrays. Happy programming!
Great explanation! If you’re working with large UDT arrays like this, using a loop to iterate through the indexes and copy the values to the DINT array can really streamline the process. Just make sure to handle any potential boundary issues, especially with such a large dataset. Have you considered using structured text or ladder logic for this task? It might make the code clearer and easier to maintain!
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Answer: - To achieve this task, you can follow the steps outlined in the discussion thread. Specifically, you need to copy the desired element from each register of the UDT array to another DINT array.
Answer: - Sure, for instance, if you have an UDT array Array_0[1200] where each register contains Element_2 (DINT), you can copy Element_2 from all 1200 registers to another DINT array Array_1[1200] by following the steps mentioned in the thread.
Answer: - The output will be each element of Array_1 corresponding to the Element_2 value of each register in Array_0. For example, if Array_0[0].Element_2 = 1234, then Array_1[0] will also be 1234, and so on for all 1200 registers.
Answer: - Implementing this process will help you efficiently extract and transfer specific data between arrays
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