F_ScanAmsNetIds
The function F_ScanAmsNetIds converts a string with the TwinCAT network address into single address bytes. The single address bytes are converted from left to right. They are returned as an array of bytes. The address bytes are represented in network byte order.
FUNCTION F_ScanAmsNetIds : T_AmsNetIdArr
VAR_INPUT
sNetID : T_AmsNetID;
END_VAR
sNetID: TwinCAT network address as string. E.g.: '127.16.17.3.1.1'
Input value | Return value | Description |
|---|---|---|
sNetID ≠ '' (empty string) | All bytes are zero | Error during conversion. Please check the format of sNetId input string. |
Example in structured text:
TwinCAT network address string: '127.16.17.3.1.1' is converted to an array of address bytes.
PROGRAM MAIN
VAR
ids : T_AmsNetIdArr;
sNetID : T_AmsNetID := '127.16.17.3.1.1';
END_VAR
ids := F_ScanAmsNetIds( sNetID );(* Result: ids[0]:=127, ids[1]:=16, ids[2]:=17, ids[3]:=3, ids[4]:=1, ids[5]:=1 *)
Requirements
Development environment | Target system type | PLC libraries to include |
|---|---|---|
TwinCAT v2.10.0 Build > 1257 | PC or CX (x86) | TcSystem.Lib |
TwinCAT v2.10.0 Build >= 1301 | CX (ARM) | TcSystem.Lib |