```pascal
// Block Type: FC
// Block Name (Original): ITC Communic MainRoutine
// Block Number: 3510
// Original Network Languages: LAD
// Block Comment:
//   (c) by SIDEL
//   Name       : Interchange Signals: Communication: Main Call
//   Description:
//    Function: Interchange Signals
//    Module  : Communication
//    - Options Main Call

FUNCTION "ITC_Communic_MainRoutine" : Void
{ S7_Optimized_Access := 'TRUE' }
VERSION : 0.1

BEGIN

  // Network 1:  (Original Language: LAD)
  //   Filler Comunication

  ITC_Communic_Filler();

  // Network 2:  (Original Language: LAD)
  //   Option: Product Room

  ITC_Communic_ProdRoom();

  // Network 3:  (Original Language: LAD)
  //   Option: CIP SIDEL

  ITC_Communic_CIPRoom();

END_FUNCTION

```