The collection of free, TECOMAT family factory library procedures is growing steadily. Besides the group of more than 350 function blocks which correspond to the processes of industrial technologies such as regulation, positioning, direction finding, conducting of follow-up control. and many, many others, the library set was supplemented by procedures for handling alarm monitoring systems also used in infrastructure facilities. To this group Teco has recently added a function block fbDSCsystem which handles communication with the ECUs DSC PC1616, PC1832 and PC1864 series PowerSeries offered by Digital Security Control company from Canada.