Software Framework for PLC Program Standardization

This thesis deals with standardization of PLC software used in company. The aim of this thesis was to design program for single-purpose machine used in assembly process and communication program to allow machines to be used in Master-Slave system as Slave. The programs use elements from IEC 61131-3 to make them portable among different integrated development environments. The software was designed to be easily reusable and modifiable for different machines