S5 S7 conversion

Pietrofalconi

Hello
I've just converted a S5 program from a 135U to S7 for S400. I've used the Simatic S5 converter, it worked fine except in some parts.
I can't manage to convert the folwing lines

FUNCTION FC 34 : VOID
AUTHOR: _1
NAME: RECEIVE
VAR_INPUT
SSNR :word; // Interface number
A_NR :word; // Job number
ANZW :word; // Display word
ZTYP :word; // Destination type
DBNR :word; // Datablock type
ZANF :int; // begin of receive buffer
ZLAE :int; // lenght of receive buffer
END_VAR
VAR_OUTPUT
PAFE :byte; //parametization error byte
END_VAR
BEGIN
NETWORK
// CALL OB 231;
// *** Erreur à la ligne 1350 (FB 121) : Bloc introuvable. ***
END_FUNCTION

Pietro

The special function organization blocks OB 230 through OB 237 are reserved for handling functions and can only be called in the standard function blocks FB 120 through FB 127.