The abbreviation “PLC” means Programmable Controller. “PC” is used, however, in some Program- ming Device displays to mean Programmable Controller. Visual Aids The following headings appear in the left column of the manual to help you locate different types of information. IMPORTANT Indicates ...
introduction of safety controllers has gradually become less challenging. However, it is still not easy for unskilled developers in safety programs to use these function blocks, because the specification defined by PLCopen is highly flexible. Since it is also difficult to create a safety...