ST_IEC870_5_103DataUnit_Ident
Identification field of data unit (ASDU).
TYPE ST_IEC870_5_103DataUnit_Ident:
STRUCT
eType : INT(0..255); (* ASDU type identifier *)
bSQ : BOOL; (* Single/Sequence *)
nObj : BYTE(0..127); (* Number of information objects or elements *)
eCOT : INT(0..255); (* Cause of transmission *)
asduAddr: BYTE; (* Common address of ASDU *)
eClass : E_IEC870_5_101ClassType; (* Object class *)
END_STRUCT
END_TYPE
eType: ASDU type identifier (0..255).
bSQ: Sequence flag.
nObj: Number of information objects or information elements (0..127).
eCOT: Cause of transmission (0..255).
asduAddr: Common ASDU address (one octet).
eClass: Priority class.
Requirements
Development Environment | Target System | PLC libraries to include |
|---|---|---|
TwinCAT v2.10.0 Build >= 1313 | PC or CX (x86, ARM) | TcIEC870_5_103Link.Lib ( Standard.Lib; TcBase.Lib; TcSystem.Lib; TcUtilities.Lib; TcIEC870_5_101.Lib; TcIEC870_5_101Link.Lib; COMlibV2.Lib; are included automatically ) |