SIMATIC Control Function Library (CFL) V3.0, Single Runtime License for automation systems, includes software and license certificate for download, Class A, bilingual (EN and DE), executable on: TIA Portal V19 STEP 7 Prof. V19, SIMATIC S7-1200(F), S7-1500(F), ET200CPU, S7-1500 SW Controller Simulation S7-PLCSIM (from V14). Recipient's email address required for delivery. Please note product release: Contribution ID: 109826988. The SIMATIC Control Function Library (CFL) is a footprint-optimized library for the automation and visualization layer of a process unit (PEA). The library enables object-oriented engineering of the automation system.