Manual

2. Installation and project overwiev
2−12
Festo P.BE−SFC−DC−PB−S7−EN en 0604NH
2.3 Overview of project
The following sections contain an overview of the
S7program" folders of the example project.
2.3.1 Folder _CTRL"  control functions
The most important blocks in the folder _CTRL" for
controlling the controller are listed in Tab.2/3.
Additional blocks, e.g. for fault treatment or data blocks, etc.
are not listed.
Block
Name Purpose Description Access Function
OB1 Main Cyclic program
access
Main program routine FB10 Example
project
FB10 SFC_DC_CTRL Control FB for controlling the
drive
SFC14/15 Festo control
block
DB90 GV−SFC Control Contains the global
control variables for FB10
 Example
project
SFC_CTRL−DRIVE Control Variable table for control  Example
project
Tab.2/3: Overview of the most important blocks of the folder _CTRL"
Block FB10 for controlling the SFC−DC is implemented in OB1.
The global variables for controlling the controller are saved in
DB90. With the aid of the variable table SFC_DC−CTRL the
drive can be positioned via PROFIBUS.