IEC 61158-6-23:2023

IEC 61158-6-23 ®
Edition 3.0 2023-03
INTERNATIONAL
STANDARD
Industrial communication networks – Fieldbus specifications –
Part 6-23: Application layer protocol specification – Type 23 elements

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IEC 61158-6-23 ®
Edition 3.0 2023-03
INTERNATIONAL
STANDARD
Industrial communication networks – Fieldbus specifications –

Part 6-23: Application layer protocol specification – Type 23 elements

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 25.040.40; 35.100.70; 35.110 ISBN 978-2-8322-6641-0

– 2 – IEC 61158-6-23:2023 © IEC 2023
CONTENTS
FOREWORD . 14
INTRODUCTION . 16
1 Scope . 17
1.1 General . 17
1.2 Specifications . 18
1.3 Conformance . 18
2 Normative references . 18
3 Terms, definitions, symbols, abbreviated terms and conventions . 19
3.1 Referenced terms and definitions . 19
3.1.1 ISO/IEC 7498-1 terms . 19
3.1.2 ISO/IEC 8822 terms . 19
3.1.3 IEC 61158-1 terms . 19
3.2 Additional Type 23 terms and definitions . 19
3.3 Symbols and abbreviated terms . 22
3.4 Conventions . 23
3.4.1 General concept . 23
3.4.2 Convention for the encoding of reserved bits and octets . 23
3.4.3 Conventions for abstract syntax description . 23
3.4.4 Conventions for bit description in octets . 23
3.4.5 Conventions for state machine descriptions . 24
4 FAL syntax description . 25
4.1 FALPDU type C abstract syntax . 25
4.1.1 Basic abstract syntax . 25
4.1.2 Connect-PDU . 26
4.1.3 ConnectAck-PDU . 26
4.1.4 Scan-PDU . 26
4.1.5 Collect-PDU . 27
4.1.6 Select-PDU . 27
4.1.7 Launch-PDU . 27
4.1.8 Token-PDU . 27
4.1.9 MyStatus-PDU . 28
4.1.10 Transient1-PDU . 28
4.1.11 Dummy-PDU . 29
4.1.12 Transient2-PDU . 29
4.1.13 NTNTest-PDU . 29
4.1.14 CyclicDataW-PDU. 30
4.1.15 CyclicDataB-PDU . 30
4.1.16 CyclicDataOut1-PDU . 30
4.1.17 CyclicDataOut2-PDU . 31
4.1.18 CyclicDataIn1-PDU . 31
4.1.19 CyclicDataIn2-PDU . 31
4.2 FALPDU type F abstract syntax . 32
4.2.1 Basic abstract syntax . 32
4.2.2 Persuasion-PDU . 33
4.2.3 TestData-PDU . 34
4.2.4 TestDataAck-PDU. 34
4.2.5 Setup-PDU . 35

4.2.6 SetupAck-PDU . 35
4.2.7 F-Token-PDU . 36
4.2.8 F-MyStatus-PDU . 36
4.2.9 Measure-PDU . 36
4.2.10 F-Offset-PDU . 37
4.2.11 F-Update-PDU . 37
4.2.12 F-CyclicData-PDU . 37
4.2.13 Transient1-PDU . 37
4.2.14 TransientAck-PDU . 41
4.2.15 Transient2-PDU . 42
4.2.16 ParamCheck-PDU . 42
4.2.17 Parameter-PDU . 43
4.2.18 Timer-PDU . 44
4.3 Data type assignments for type C . 45
4.4 Data type assignments for type F . 46
4.5 FALPDU type T abstract syntax . 47
4.5.1 Basic abstract syntax . 47
4.5.2 CyclicM-PDU . 50
4.5.3 CyclicS-PDU . 50
4.5.4 CyclicMs-PDU . 50
4.5.5 CyclicSs-PDU . 51
4.5.6 AcyclicPriority-PDU . 52
4.5.7 AcyclicDetection-PDU . 52
4.5.8 AcyclicDetectionAck-PDU . 53
4.5.9 AcyclicTestDataHeader . 54
4.5.10 AcyclicTestDataHeader . 55
4.5.11 AcyclicData-PDU . 55
4.5.12 PtpSync-PDU . 55
4.5.13 PtpPdelayReq-PDU . 55
4.5.14 PtpPdelayResp-PDU. 55
4.5.15 PtpFollowUp-PDU . 56
4.5.16 PtpPdelayRespFollowUp-PDU . 56
4.5.17 PtpAnnounce-PDU . 56
4.5.18 SlmpIPAddressSet-PDU . 56
4.5.19 SlmpNetworkConfigMain-PDU . 56
4.5.20 SlmpNetworkConfigTslt-PDU . 56
4.5.21 SlmpNotification-PDU . 56
4.5.22 SlmpMasterConfig-PDU . 57
4.5.23 SlmpSlaveConfig-PDU . 57
4.5.24 SlmpCyclicConfigMain-PDU . 57
4.5.25 SlmpCyclicConfigTrnSubPayload-PDU . 57
4.5.26 SlmpCyclicConfigRcvSubPayload-PDU . 57
4.5.27 SlmpCyclicConfigRcvSrcInfo-PDU . 58
4.5.28 SlmpLinkDevicePrmWrite-PDU . 58
4.5.29 SlmpLinkDevicePrmWriteCheckRequest-PDU . 58
4.5.30 SlmpLinkDevicePrmWriteCheckResponse-PDU . 58
4.5.31 SlmpNMTStateUpload-PDU . 58
4.5.32 SlmpNMTStateDownload-PDU . 59
4.5.33 SlmpReadObject-PDU . 59

– 4 – IEC 61158-6-23:2023 © IEC 2023
4.5.34 SlmpWriteObject-PDU . 59
4.5.35 SlmpObjectSubIDReadBlock-PDU . 59
4.5.36 SlmpObjectSubIDWriteBlock-PDU . 59
4.5.37 SlmpGetODList-PDU . 59
4.5.38 SlmpGetObjectDescription-PDU . 60
4.5.39 SlmpGetEntryDescription-PDU . 60
4.5.40 SlmpStopOwnStationCyclic-PDU . 60
4.5.41 SlmpStartOwnStationCyclic-PDU . 60
4.5.42 SlmpStopOtherStationsCyclic-PDU . 60
4.5.43 SlmpStartOtherStationsCyclic-PDU . 60
4.5.44 SlmpAllParameterGet-PDU . 61
4.5.45 SlmpParameterGet-PDU . 61
4.5.46 SlmpAllParameterSizeGet-PDU . 61
4.5.47 SlmpParameterSizeGet-PDU . 61
4.5.48 SlmpStationSubIDListGet-PDU . 61
4.5.49 SlmpDeviceIdentificationInfoGet-PDU . 61
4.5.50 SlmpDataMonitoring-PDU . 62
4.5.51 SlmpAllParameterSet-PDU . 62
4.5.52 SlmpParameterSet-PDU . 62
4.5.53 SlmpParameterVersionCheck-PDU . 62
4.5.54 SlmpDeviceIdentificationInfoCompare-PDU . 62
4.5.55 SlmpNodeSearch-PDU . 62
4.5.56 SlmpIPAddressSet-PDU . 63
4.5.57 SlmpDeviceInfoCompare-PDU . 63
4.5.58 SlmpParameterGet-PDU . 63
4.5.59 SlmpParameterSet-PDU . 63
4.5.60 SlmpParameterSetStart-PDU . 63
4.5.61 SlmpParameterSetEnd-PDU . 63
4.5.62 SlmpVerifyCheckCode-PDU . 64
4.5.63 SlmpOutputMapFileNameGet-PDU . 64
4.5.64 SlmpNewFile-PDU . 64
4.5.65 SlmpParameterSetCancel-PDU . 64
4.5.66 SlmpOpenFile-PDU . 64
4.5.67 SlmpCloseFile-PDU . 64
4.5.68 SlmpReadFile-PDU . 65
4.5.69 SlmpWriteFile-PDU . 65
4.5.70 SlmpStatusRead-PDU . 65
4.5.71 SlmpCommunicationSettingGet-PDU . 65
4.5.72 SlmpGetDeviceInfo-PDU . 65
4.5.73 SlmpGetBackupListFileName-PDU . 65
4.5.74 SlmpStartBackup-PDU . 66
4.5.75 SlmpEndBackup-PDU . 66
4.5.76 SlmpCheckRestoreVersion-PDU . 66
4.5.77 SlmpStartRestore-PDU . 66
4.5.78 SlmpEndRestore-PDU . 66
4.5.79 SlmpStatusRead2-PDU. 66
4.5.80 SlmpReqSearchNode-PDU . 67
4.5.81 SlmpGetSearchNodeState-PDU . 67
4.5.82 SlmpGetNodeList-PDU . 67

4.5.83 SlmpReqSetIPAddress-PDU . 67
4.5.84 SlmpSearchPrmControlStation-PDU . 67
4.5.85 SlmpRequestRestore-PDU . 68
4.5.86 SlmpCheckPrmDelivery-PDU . 68
4.5.87 SlmpRsvStationConfigTemporaryRelease-PDU . 68
4.5.88 SlmpRsvStationConfig-PDU . 68
4.5.89 SlmpGetEventNum-PDU . 68
4.5.90 SlmpGetEventHistory-PDU . 69
4.5.91 SlmpClearEventHistory-PDU . 69
4.5.92 SlmpClockOffsetDataSend-PDU . 69
4.5.93 SlmpSetWatchdogCounterInfo-PDU . 69
4.5.94 SlmpWatchdogCounterOffsetConfig-PDU . 69
4.5.95 SlmpRemoteReset-PDU . 69
4.5.96 SlmpGetCommunicationSet-PDU . 70
4.5.97 SlmpGetStationSubIDList-PDU . 70
4.5.98 SlmpGetDeviceInfo-PDU . 70
4.5.99 SlmpStartBackup-PDU . 70
4.5.100 SlmpEndBackup-PDU . 70
4.5.101 SlmpRequestBackup-PDU . 70
4.5.102 SlmpGetBackupPrm-PDU . 71
4.5.103 SlmpCheckRestore-PDU . 71
4.5.104 SlmpStartRestore-PDU . 71
4.5.105 SlmpEndRestore-PDU . 71
4.5.106 SlmpSetBackupPrm-PDU . 71
4.5.107 SlmpLinkupSpeed-PDU . 71
4.5.108 SlmpNodeIndication-PDU . 72
4.6 Data type assignments for type T . 72
5 FAL transfer syntax . 72
5.1 Encoding rules . 72
5.1.1 Unsigned encoding . 72
5.1.2 Octet string encoding . 72
5.1.3 SEQUENCE encoding . 72
5.1.4 LOctetString encoding . 72
5.2 FALPDU type C elements encoding . 73
5.2.1 FALARHeader . 73
5.2.2 Connect-PDU . 75
5.2.3 ConnectAck-PDU . 76
5.2.4 Scan-PDU . 76
5.2.5 Collect-PDU . 77
5.2.6 Select-PDU . 79
5.2.7 Launch-PDU . 80
5.2.8 Token-PDU . 80
5.2.9 MyStatus-PDU . 80
5.2.10 Transient1-PDU . 82
5.2.11 Dummy-PDU . 86
5.2.12 Transient2-PDU . 87
5.2.13 NTNTest-PDU . 98
5.2.14 CyclicDataW-PDU. 98
5.2.15 CyclicDataB-PDU . 99

– 6 – IEC 61158-6-23:2023 © IEC 2023
5.2.16 CyclicDataOut1-PDU . 100
5.2.17 CyclicDataOut2-PDU . 100
5.2.18 CyclicDataIn1-PDU . 101
5.2.19 CyclicDataIn2-PDU . 102
5.3 FALPDU type F elements encoding . 103
5.3.1 FALARHeader . 103
5.3.2 Persuasion-PDU . 108
5.3.3 TestData-PDU . 109
5.3.4 TestDataAck-PDU. 109
5.3.5 Setup-PDU . 111
5.3.6 SetupAck-PDU . 113
5.3.7 F-Token-PDU . 114
5.3.8 F-Measure-PDU . 115
5.3.9 F-Offset-PDU . 116
5.3.10 F-Update-PDU . 116
5.3.11 F-MyStatus-PDU . 116
5.3.12 F-CyclicData-PDU . 122
5.3.13 Transient1-PDU . 123
5.3.14 TransientAck-PDU . 128
5.3.15 Transient2-PDU . 129
5.3.16 ParamCheck-PDU . 132
5.3.17 Parameter-PDU . 133
5.3.18 Timer-PDU . 140
5.4 FALPDU type T elements encoding . 141
5.4.1 CyclicM-PDU . 141
5.4.2 CyclicS-PDU . 144
5.4.3 CyclicMs-PDU . 146
5.4.4 CyclicSs-PDU . 147
5.4.5 AcyclicPriority-PDU . 148
5.4.6 AcyclicDetection-PDU . 150
5.4.7 AcyclicDetectionAck-PDU . 151
5.4.8 AcyclicTestData-PDU . 157
5.4.9 AcyclicTestDataAck-PDU . 160
5.4.10 AcyclicData-PDU . 162
5.4.11 Ptp-PDU . 162
5.4.12 IpData-PDU . 164
6 Structure of the FAL protocol state machine . 164
7 FAL service protocol machine (FSPM) . 165
7.1 Overview. 165
7.2 FSPM type C . 165
7.2.1 Overview . 165
7.2.2 FSPM . 166
7.3 FSPM type F . 169
7.3.1 Overview . 169
7.3.2 FSPM . 171
7.4 FSPM type T . 176
7.4.1 Overview . 176
7.4.2 FSPM State Machine . 177
8 Application relationship protocol machine (ARPM) . 181

8.1 ARPM type C . 181
8.1.1 Overview . 181
8.1.2 Acyclic transmission . 182
8.1.3 Cyclic transmission . 183
8.1.4 Connection control . 188
8.1.5 Common parameter dist . 227
8.2 ARPM type F . 232
8.2.1 Overview . 232
8.2.2 Acyclic transmission . 233
8.2.3 Cyclic transmission . 235
8.2.4 Channel control . 238
8.2.5 Parameter dist . 278
8.2.6 Synchronous trigger. 282
8.2.7 Timer . 283
8.2.8 Measure transmission . 284
8.3 ARPM type T . 289
8.3.1 Overview . 289
8.3.2 Cyclic Transmission . 289
8.3.3 Acyclic Transmission . 291
8.3.4 Channel Control . 294
8.3.5 TimeSync Control . 297
8.3.6 IPTrans Control . 299
8.3.7 Handler. 300
9 DLL mapping protocol machine (DMPM) . 305
9.1 DMPM type C . 305
9.2 DMPM type F . 306
9.3 DMPM type T . 307
Bibliography . 309

Figure 1 – Bit description in octets . 24
Figure 2 – Structure for memory access information retrieve response . 90
Figure 3 – Attribute definitions . 90
Figure 4 – Access code definitions . 91
Figure 5 – Structure for RUN request . 92
Figure 6 – Structure for RUN response . 93
Figure 7 – Structure for STOP request . 93
Figure 8 – Structure for STOP response . 93
Figure 9 – Structure for batch memory read request . 94
Figure 10 – Structure for batch memory read response . 94
Figure 11 – Structure for random memory read request . 95
Figure 12 – Structure for random memory read response . 95
Figure 13 – Structure for batch memory write request . 96
Figure 14 – Structure for batch memory write response . 96
Figure 15 – Structure for random memory write request . 97
Figure 16 – Structure for random memory write response . 97
Figure 17 – Relationships between protocol machines . 165

– 8 – IEC 61158-6-23:2023 © IEC 2023
Figure 18 – Structure of FSPM C . 166
Figure 19 – Structure of FSPM F. 169
Figure 20 – Structure of FSPM T. 176
Figure 21 – Structure of ARPM C . 181
Figure 22 – Structure of ARPM F . 232
Figure 23 – Structure of ARPM T . 289
Figure 24 – Structure of type C DMPM . 305
Figure 25 – Structure of type F DMPM . 306
Figure 26 – Structure of type T DMPM . 307

Table 1 – State machine description elements . 24
Table 2 – Description of state machine elements . 24
Table 3 – Conventions used in state machines . 25
Table 4 – afFType . 73
Table 5 – priority . 74
Table 6 – portChoice. 75
Table 7 – portCheckResult . 76
Table 8 – dstPortInfo . 76
Table 9 – scanState . 76
Table 10 – nodeType . 77
Table 11 – loopState . 78
Table 12 – Cyclic status . 78
Table 13 – Parameter setting mode . 78
Table 14 – opState . 81
Table 15 – errorState . 81
Table 16 – Data type. 83
Table 17 – CPW. 83
Table 18 – CPWC . 84
Table 19 – CPWCR . 84
Table 20 – cmParam . 84
Table 21 – Details of param area . 85
Table 22 – Details of application parameters . 85
Table 23 – Details of LB/LW CM area and LB/LW CM additional area . 86
Table 24 – Details of LX/LY CM 1 area and LX/LY CM 2 area . 86
Table 25 – Destination module flag . 88
Table 26 – Command types . 89
Table 27 – Access codes of network module memory . 91
Table 28 – Access codes of controller memory . 92
Table 29 – byteValidity . 98
Table 30 – afFType . 104
Table 31 – dataType . 105
Table 32 – varField . 106
Table 33 – nodeType . 107

Table 34 – ProtocolVerType . 108
Table 35 – Link status . 111
Table 36 – Port enable/disable specification . 112
Table 37 – Cyclic transmission parameter hold status . 118
Table 38 – Detailed application operation status . 119
Table 39 – Error detection status . 119
Table 40 – Slave-specific event reception status . 121
Table 41 – dataSupType of dataType (0x07) . 124
Table 42 – FieldSpecificTransient opHeader . 124
Table 43 – command (dataType: 0x07, dataSubType: 0x0002) . 125
Table 44 – subCommand type for each command type . 125
Table 45 – Structure of Deliver node information . 125
Table 46 – Structure of Deliver node information – message . 126
Table 47 – Structure of Get statistical information response . 127
Table 48 – Structure of Acquisition of node details response . 128
Table 49 – Execution module specification. 130
Table 50 – Command type .
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