Basic instructions This section contains information on the following topics:LAD (S7-1200, S7-1500, S7-1200 G2)FBD (S7-1200, S7-1500, S7-1200 G2)STL (S7-1500)SCL (S7-1200, S7-1500, S7-1200 G2)GRAPH (S7-1500)CEM (S7-1200, S7-1500, S7-1200 G2)