电力系统通信规约 智能电网 IEC104规约

FOREWORD...........................................................................................................................7

INTRODUCTION.....................................................................................................................9

6 Selection of ASDUs defined in IEC 60870-5-101 and additional ASDUs ...........................39

7 Mapping of selected application data units and functions to the TCP services..................45

7.1 Station initialization (6.1.5 to 6.1.7 of IEC 60870-5-5) .............................................45

7.2 Data acquisition by polling (6.2 of IEC 60870-5-5) ..................................................55

7.9 Parameter loading (6.10 of IEC 60870-5-5) ............................................................61

7.10 Test procedure (6.11 of IEC 60870-5-5) .................................................................63

7.11 File transfer (6.12 of IEC 60870-5-5) Control and monitor direction ........................63

8 ASDUs for process information in control direction with time tag......................................67

8.1 TYPE IDENT 58: C_SC_TA_1 Single command with time tag CP56Time2a ............67

8.2 TYPE IDENT 59: C_DC_TA_1 Double command with time tag CP56Time2a...........69

8.3 TYPE IDENT 60: C_RC_TA_1 Regulating step command with

8.4 TYPE IDENT 61: C_SE_TA_1 Set-point command with time tag CP56Time2a,

9 Interoperability................................................................................................................83

9.1 System or device ...................................................................................................83

9.2 Network configuration ............................................................................................83

9.3 Physical layer ........................................................................................................85

9.4 Link layer...............................................................................................................85

9.5 Application layer ....................................................................................................87

9.6 Basic application functions.....................................................................................99

Figure 1 – General architecture (example).............................................................................15

Figure 2 – Selected standard provisions of the defined telecontrol companion standard .........17

Figure 9 – Undisturbed sequences of numbered I format APDUs ...........................................27

Figure 10 – Undisturbed sequences of numbered I format APDUs acknowledged by

an S format APDU.................................................................................................................27

Figure 11 – Disturbed sequence of numbered I format APDUs...............................................29

Figure 12 – Time-out in case of a not acknowledged last I format APDU ................................29

Figure 13 – Undisturbed test procedure.................................................................................31

Figure 14 – Unconfirmed test procedure ................................................................................31

Figure 15 – Start data transfer procedure ..............................................................................33

Figure 16 – Stop data transfer procedure...............................................................................35

Figure 17 – TCP connection establishment and close ............................................................47

Figure 24 – ASDU: C_SE_TA_1 Set-point command with time tag CP56Time2a,

normalized value...................................................................................................................73

Figure 25 – ASDU: C_SE_TB_1 Set-point command with time tag CP56Time2a,

scaled value..........................................................................................................................75

Figure 26 – ASDU: C_SE_TC_1 Set-point command with time tag CP56Time2a,

short floating point number....................................................................................................77

Figure 27 – ASDU: C_BO_TA_1 Bitstring of 32 bit with time tag CP56Time2a........................79

Figure 28 – ASDU: C_TS_TA_1 Test command with time tag CP56Time2a............................81

Table 1 – Process information in monitor direction.................................................................39

Table 2 – Process information in control direction..................................................................41