PROFIsafe 261
4. Set DB1 as the I-DB for the F-program block and FB1 as the F-program block.
5. Click OK and close the dialog windows.
6. In SIMATIC manager, double-click on OB35.
7. Add call to FC1 by dragging the FC1 block from the FC blocks folder.
8. Save the block and close the editor.
9. In SIMATIC manager, double-click on FB1.
10. Add acknowledgement for reintegration by assigning the value of ACK_REQ to
ACK_REI in DB2185.