Efficiently Summing Array Values in RSLogix 5000: Strategies and Tips

Question:

Subject: Assistance Needed with RSLogix 5000 Array Summation Good Morning, I am currently working with RSLogix 5000 and need help with summing the values in an array. I would like to automate this process rather than manually adding each element using a CPT instruction. Additionally, the number of values I need to sum may vary over time. Do you have any suggestions or strategies for efficiently handling this in RSLogix 5000? Thank you for your assistance! Best, Jim Cav

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Jim Cav mentioned: Good morning! I'm currently working with RSLogix 5000 and I need to sum the values in an array. However, I’d prefer not to add each individual value using a CPT instruction, especially since the length of the array I want to sum may vary at different times. Do you have any suggestions? Thanks, Jim Cav To expand on this, I recommend checking out the FAL (File Arithmetic Logical) instruction. This feature includes a control file that specifies the length and position of the array, as well as options for performing the calculations in a single scan or spreading them across multiple scans to minimize the impact on scan time. Additionally, it allows you to define the destination for the result and the calculation process itself. The accompanying help files and examples are very informative and helpful!

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