User might just execute one transaction/program but STAD might display many entries for that single transaction/program  each entryis a dialog step in SAP term. How many dialog-steps are displayed under a transaction/program is related to program/transaction design and how that transaction is executed.
Connections of the types TCP, ISO-on-TCP, UDP, ISO and S7 connection are configured in the SIMATIC Manager in NetPro. These connections are configured in the same way in STEP 7 (TIA Portal). In STEP 7 (TIA Portal) the S7 connections have to be configured in the Devices and Networks editor, in the Network view.
Starting at the intersection with US 441 in Apopka, SR 436 runs east and intersects with SR 434 and Interstate 4 (I-4). East of this interchange, the road is named East Altamonte Drive, and widens to 8-10 lanes. The road returns to the Semoran Blvd.