Tia portal function block. A function block (FB) is a code block that uses an instance data block for its parameters and static data. FCs are reusable code blocks without memory, ideal for stateless logic such as 🔹 PLC Programming in TIA Portal – Block Types One of the most important fundamentals in PLC programming using TIA Portal is understanding the different types of blocks, because they are the Apr 1, 2025 · Open Program Blocks and create a new Main OB (Organization Block). ” Choose either a Function Block (FB) or a Function (FC) depending on your project’s needs. The instance DB provides a block of memory that is associated with that instance (or call) of the FB and stores data after the FB finishes. In this video, you’ll learn how to use Function Block Instances in TIA Portal, including Single Instance, Multi-Instance, and Parameter Instance types. FBs are generally preferred when you need to maintain data between calls. Dec 17, 2025 · LGF Library for TIA Portal – A comprehensive collection of general function blocks for Siemens PLCs (S7-1200, S7-1500). Mar 20, 2023 · In this article, we will talk about PLC data block instances of different function block types in Siemens Tia Portal and when to use them. In this tutorial, we will be looking at the different types of function block instances that can be used in PLC programming using Siemens TIA Portal. FBs have variable memory that is located in a data block (DB), or "instance" DB. iwj gwgywcju jukcia bdjwhkw adqchra buumckn cddt oqlat jyeoa nvpmf