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SIMATIC OB1 Offline Program Details by freirebertelli is a document available to read on EtoBox.

This document contains information about Organization Block 1 (OB1) from a SIMATIC 300 CPU 313C-2 DP system. OB1 contains the main program sweep (cycle) and includes 4 networks of logic. It stores data about the previous and current executions of OB1 including timestamps, priority, cycle times, and date/time started. The networks of logic check inputs and move data between memory bits and flags.

Author

freirebertelli

Language

EN