Latest Blog Posts

Unique Views: 3,558 The Startup OB runs once, the first time the PLC changes from STOP … TIA Portal – Startup OBRead more

Unique Views: 9,727 A FIFO, or First In, First Out, is a great way of managing … TIA Portal – FIFO [First In, First Out]Read more

Unique Views: 2,692 Predefined Variables are a great way to populate interface data with regularly used … TIA Portal – Predefined VariablesRead more

Unique Views: 3,107 There are some key differences between a Function Block and a Function The … TIA Portal – Function Block and Function DifferencesRead more

Unique Views: 3,699 Instance data is stored in two formats A top level global block relating … TIA Portal – Working With Instance DataRead more

Unique Views: 5,515 Using snapshots is a great way to take a backup of the current … TIA Portal – A Guide To Using SnapshotsRead more

Pointers are a handy method to manage vast data sets where symbolic data allocation isn’t possible. They’re composed of constructs that show where the data starts and its length. TIA Portal can automatically create a pointer when trying to access complex data like arrays. You should avoid using MOVE to access pointer data, instead, use BLKMOV. Keep in mind though, if the destination point for the BLKMOV is smaller than the pointer, data could get truncated.

Unique Views: 12,365 Arrays are an important data type in PLC programming. It’s a method of … TIA Portal – Working With ArraysRead more