In Siemens TIA Portal, an FB, or Function Block, is used to define a function, or set of instructions, which can be executed on command from an organization block, or OB. The function block is executed each time it is called from an OB.
In the previous videos in this series, we learned how to create and configure the logic for an FB in the STEP7 programming environment.
In this video, you will learn:
– How to configure the DB to support the FB logic, and
– How to call an FB from an OB.