Sequential function chart (SFC)
Sequential function chart (SFC) a programming language for the description of sequential and parallel control sequences with time- and event-control
Softlock
A "Softlock" is a software code to protect the license of your software and to activate the program modules you have chosen from the feature list.
ST
Structured Text
Standard function blocks
Standard function blocks quantity of the function blocks, fixed pre-defined by IEC 61131-3, to realize PLC-typical functionality
Standard functions
Standard functions quantity of the functions, fixed pre-defined by IEC 61131-3, to realize PLC-typical functionality
Step sequence
Step sequence Element of sequential flow chart. See also Sequential Flow Chart (SFC)
Structured text (ST)
Structured text (ST) a Pascal-similar high level language for PLC-programming
System integrator
System integrator has own hardware solution (or buys from third party); uses ready software solutions; assembles package for end customers; puts focus on hardware and software bundling..