Learn how to use the powerful VARIANT data type in TIA Portal to build one function that accepts multiple data types โ BOOL, INT, and REAL โ in SIMATIC S7-1200 and SIMATIC S7-1500 PLCs.
In this step-by-step tutorial, youโll discover how to create generic Function Blocks (FBs) in SCL and use VARIANT, VariantGet, VariantPut, TypeOf, and safe assignment (?=) to dynamically detect and process different data types in one reusable block.
This tutorial is suitable for PLC programmers who want cleaner code, and advanced TIA Portal programming techniques.
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1-Programming S7-1200 PLC with Siemens TIA Portal & Factory IO https://bit.ly/3XbQL2h
2-Programming Siemens Simatic S7-300/400 https://bit.ly/3XuwIxy
3-Allen Bradley training - RSLogix 500/5000 Series https://bit.ly/3B3GKwA
4-Complete Delta PLC programming Course with ISPSoft & Factory IO https://bit.ly/4gaPp0t
5- CODESYS PLC programming tutorial for beginners https://bit.ly/3XxebRh
6- Camtasia Mastery & training and tutorial course https://bit.ly/3ZcYrnz
7- Excellent PLC projects for engineering students - Part 1 https://bit.ly/4gLlzzf
8- Excellent PLC projects for engineering students - Part 2 https://bit.ly/40dBZK7
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