GB/T 25105.3: Evolution and historical versions
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Industrial communication networks - Fieldbus specifications - Type 10: PROFINET IO specifications - Part 3: PROFINET IO commuication profile
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GB/T 25105.3-2025
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| GB/T 25105.3-2014 | English | 1609 |
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Industrial communication networks -- Fieldbus specifications -- Type 10: PROFINET IO specifications -- Part 3: PROFINET 10 communication profile
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GB/T 25105.3-2014
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PDF similar to GB/T 25105.3-2025
Basic data | Standard ID | GB/T 25105.3-2025 (GB/T25105.3-2025) | | Description (Translated English) | Industrial communication networks - Fieldbus specifications - Type 10: PROFINET IO specifications - Part 3: PROFINET IO commuication profile | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N10 | | Classification of International Standard | 25.040 | | Word Count Estimation | 162,169 | | Date of Issue | 2025-04-25 | | Date of Implementation | 2025-11-01 | | Older Standard (superseded by this standard) | GB/T 25105.3-2014 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 25105.3-2025: Industrial communication networks - Fieldbus specifications - Type 10: PROFINET IO specifications - Part 3: PROFINET IO communication profile
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ICS 25.040
CCSN10
National Standard of the People's Republic of China
Replaces GB/T 25105.3-2014
Fieldbus Specifications for Industrial Communication Networks
Type 10.PROFINET IO specification
Part 3.PROFINET IO communication profile
Published on April 25, 2025, implemented on November 1, 2025
State Administration for Market Regulation
The National Standardization Administration issued
Table of contents
Preface VII
Introduction VIII
1 Scope 1
2 Normative references 1
3 Terms, Definitions, Symbols, Abbreviations and Conventions 3
3.1 Terms and Definitions 3
3.2 Abbreviations 3
3.3 Symbols 4
3.4 Conventions 5
4 CPF3(PROFIBUS
4.1 Overview 5
4.2 General 9
4.3 Consistency Class Features 56
4.4 Industry Rules 3/4 82
4.5 Industry regulations 3/5 99
4.6 Industry Rules 3/6 110
4.7 Industry Rules 3/7 124
4.8 Additional Information 138
Appendix A (Informative) CPF3 (PROFINET) Performance Index Calculation 139
A.1 Application scenarios 139
A.2 Example of structures used for calculations 139
A.3 Principles used in calculations 148
References 151
Figure 1.Consistency Class Model 6
Figure 2 Terminal station and bridge system 6
Figure 3 Bridge as a network component 7
Figure 4 Wireless terminal station 7
Figure 5 Wireless network components 8
Figure 6 Hierarchical consistency class model 8
Figure 7 Hierarchical consistency class model with integrated bridge component 9
Figure 8 Hierarchical consistency class model - network components 9
Figure 9 Example of a network topology using CP3/4, CP3/5, and CP3/6 components81
Figure 10 Example of a network topology using CP3/4, CP3/5, CP3/6, and CP3/7 components81
Figure 11 Example of network topology with wireless segment 85
Figure 12 Basic principles for calculating transmission time and RTE throughput 95
Figure A.1 CP3/4.Example of linear structure 139
Figure A.2 CP3/4.Example of a ring structure 140
Figure A.3 CP3/4.Example of a wireless segment 140
Figure A.4 CP3/4.Integrated wireless client example 141
Figure A.5 CP3/5.Example of a linear structure 141
Figure A.6 CP3/5.Example of a ring structure 142
Figure A.7 CP3/6.Example of a linear structure 143
Figure A.8 CP3/6.Example of linear structure 144
Figure A.9 CP3/6.Example of a ring structure 145
Figure A.10 CP3/6.Example of a tree structure 146
Figure A.11 CP3/6.Example of a comb structure 147
Figure A.12 CP3/6.Example of comb structure (optional) 148
Figure A.13 Definition of bridge delay 149
Table 1 Management number allocation 10
Table 2 Node classes and assigned traffic types 11
Table 3 Maximum diagnostic data of a submodule 11
Table 4 Maximum storage delay 12
Table 5 Report system minimum storage size 12
Table 6 Report system storage 12
Table 7 Reporting system timeout 12
Table 8 Maximum storage delay 13
Table 9 NME requirements 14
Table 10 Application classes applicable to IO device and IO controller consistency classes 14
Table 11 Application Classes Applicable to Network Component Conformance Classes 15
Table 12 Application class "isochronous application" AL service selection 15
Table 13 Application class “isochronous application” AL protocol selection components 15
Table 14 Application Class “High Availability” AL Service Selection 16
Table 15 Application Class "High Availability" AL Protocol Selection 16
Table 16 Basic application classes for "process automation" 17
Table 17 Application category “Process Automation” AL service selection 17
Table 18 Application class "Process Automation" AL protocol selection components 17
Table 19 Features supported by application class "high performance" 17
Table 20 Application class "high performance" parameter values 17
Table 21 Features supported by the application class "controller to controller" 18
Table 22 Application class "Functional safety" features supported by IO devices 18
Table 23 Application class "Functional safety" features supported by IO controllers 19
Table 24 Application category “Energy efficiency” AL service selection 19
Table 25 Application class "Energy efficiency" features supported by IO devices 19
Table 26 Application class "Energy efficiency" features supported by IO controllers 19
Table 27 Communication Class 20 for Conformance Class
Table 28 Communication performance parameters 20
Table 29 FrameSendOffset deviation 21 for RT_CLASS_1/RT_CLASS_UDP
Table 30 FrameSendOffset deviation for RT_CLASS_1/RT_CLASS_UDP 22
Table 31 FrameSendOffset Deviation Factor - SendListControl 22
Table 32 FrameSendOffset Deviation Factor-PHY 22
Table 33 FrameSendOffset deviation 23
Table 34 Minimum FrameSendOffset 23
Table 35 FrameSendOffset deviation 23
Table 36 Parameters for RT_CLASS_3 bridge 23
Table 37 PTCP control loop 24
Table 38 IEEE802.1AS control loop 24
Table 39 Maximum frame length 25
Table 40 IO controller IP layer parameters 25
Table 41 IP layer parameters of IO devices 25
Table 42 Name resolution timeout value 25
Table 43 helo request value deviation 26
Table 44 DCPIdentify responder resource 26
Table 45 DCP Access Control 26
Table 46 DCPIdentify pruning support 27
Table 47 Maximum time value of MRP at 10Mbit/s and ≥100Mbit/s 27
Table 48 Maximum packet size of MRP 27
Table 49 Maximum time value of PTCP 27
Table 50 Timer accuracy for PTCP 28
Table 51 Maximum time value 28
Table 52 Maximum deviation value of GlobalTime (global time) 29
Table 53 Maximum deviation of the working clock 29
Table 54 LLDP maximum time value 29
Table 55 Required RPC resources 30
Table 56 Required RPCActivityUUID resource 30
Table 57 Number of ImplicitARs 30
Table 58 RTATimeout Deviation 31
Table 59 Required receiving resources 31
Table 60 LogBookData Entry Number 31
Table 61 Recommended out-of-the-box default values 31
Table 62 CIMSNMPAdjust 32
Table 63 Community name, default value 32
Table 64 SNMP timeout value 32
Table 65 MIB object update time value 32
Table 66 DHCP client 33
Table 67 High Availability Time 33
Table 68 Address parameter 34
Table 69 AR parameters 34
Table 70 PDEV parameters 36
Table 71 IO device response time 37
Table 72 Deviation of DataHoldTime 38
Table 73 Expected PHY delay 38
Table 74 Expected bridge delay 38
Table 75 Media redundancy category applicable to consistency class 39
Table 76 Media redundancy additional forwarding rule 40
Table 77 Media redundancy startup mode 40
Table 78 Version-controlled "ReadRecord" 41
Table 79 Index (user specific) 41
Table 80 Index (subslot specific) 42
Table 81 Index (slot specific) 46
Table 82 Index (AR specific) 47
Table 83 Index (API specific) 49
Table 84 Index (device specific) 51
Table 85 PDPortDataAdjust (sub-block) 54
Table 86 PDPortDataCheck (sub-block) 55
Table 87 Communication characteristics table 56
Table 88 IO controller, IO device, IO monitor and network management engine 57
Table 89 Network Components 57
Table 90 Conformance Class Characteristics 58
Table 91 Node Class 59
Table 92 Local traffic injection related to link speed per Ethernet interface 59
Table 93 SNMP feature selection 60
Table 94 IETF RFC1213-MIB (MIB-2) Object 61
Table 95 LLDP-MIB Object-Range 1 62
Table 96 LLDP-MIB Object-Range 2 63
Table 97 LLDP-MIB Object-Range 3 63
Table 98 LLDP-EXT-PNO-MIB Object-Range 1 64
Table 99 LLDP-EXT-PNO-MIB Object-Range 2 64
Table 100 LLDP-EXT-DOT3-MIB Object-Range 1 65
Table 101 LLDP-EXT-DOT3-MIB Object-Range 2 65
Table 102 IEEE802.1Q-BRIDGE-MIB Object 66
Table 103 NETCONF feature selection 66
Table 104 IEEE802.3 feature selection 67
Table 105 IEEE802.1Q feature selection 67
Table 106 Node Type 71 for Bridge
Table 107 Supported Concurrent Link Speeds for Bridges 71
Table 108 IEEE802.1Q bridge components for conformance class D 72
Table 109 IEC 61784-5-3 characteristic selection 72
Table 110 IEC 62439-2 characteristic selection 73
Table 111 Buffer capacity of each port 74
Table 112 Special case. buffer capacity of 8 or more ports 74
Table 113 IEEE802.1AB feature selection 75
Table 114 IEEE802.1AS feature selection 75
Table 115 IEEE802.1CB feature selection 77
Table 116 IEEE802.1Q feature selection 78
Table 117 Straight-through feature selection 79
Table 118 Wireless feature selection 79
Table 119 Node Class of Network Component 79
Table 120 Conformance Class Limits - Wired 80
Table 121 Conformance class restrictions - Wireless 80
Table 122 CP3/4.AL service selection 82 for IO devices
Table 123 CP3/4.Additional AL service selection 86 for IO controller
Table 124 CP3/4.Additional AL service selection for IO monitor 86
Table 125 CP3/4.AL protocol selection for IO devices 87
Table 126 CP3/4.AL protocol selection for IO controller 89
Table 127 CP3/4, CP3/5, CP3/6 and CP3/7.Overview of performance indicators 92
Table 128 CP3/4, CP3/5, CP3/6 and CP3/7.Performance indicator dependency matrix 93
Table 129 MRM (Media Redundancy Manager) Parameters 96
Table 130 MRC (Media Redundancy Client) Parameters 96
Table 131 MIM (Media Redundancy Interconnect Manager) Parameters 97
Table 132 MIC (Media Redundancy Interconnect Client) Parameters 97
Table 133 CP3/4.PI consistency set 98 for MinDeviceInterval = 128ms
Table 134 CP3/4.Assumed values of consistency set for PI calculation 98
Table 135 CP3/5.AL service selection 100 for IO devices
Table 136 CP3/5.Additional AL service selection for IO controller 102
Table 137 CP3/5.Additional AL service selection 103 for IO monitor
Table 138 CP3/5.AL protocol selection for IO devices 103
Table 139 CP3/5.AL protocol selection for IO controller 106
Table 140 CP3/5.PI consistency set 109 for MinDeviceInterval = 128ms
Table 141 CP3/5.Assumed values of consistency set for PI calculation 110
Table 142 CP3/6.AL service selection 111 for IO devices
Table 143 CP3/6.Additional AL service selection for IO controller 114
Table 144 CP3/6.AL protocol selection for IO devices 114
Table 145 CP3/6.AL protocol selection for IO controller 117
Table 146 CP3/6.PI consistency set 121 for MinDeviceInterval = 1ms and NumberOfSwitches = 20
Table 147 CP3/6.PI consistency set 121 for MinDeviceInterval = 1ms and NumberOfSwitches = 63
Table 148 CP3/6.Assumptions for PI calculation consistency set 122
Table 149 CP3/6.PI consistency set 123 for MinDeviceInterval = 31.25 μs and NumberOfSwitches = 10
Table 150 CP3/6.Assumed values for PI calculation consistency set 124
Table 151 CP3/7.AL service selection for IO devices 125
Table 152 CP3/7.Additional AL service selection for IO controller 127
Table 153 CP3/7.AL protocol selection for IO devices 128
Table 154 CP3/7.AL protocol selection for IO controller 131
Table 155 CP3/7.PI consistency set 134 for MinDeviceInterval = 1ms and NumberOfSwitches = 20
Table 156 CP3/7.PI consistency set 135 for MinDeviceInterval = 1ms and NumberOfSwitches = 63
Table 157 CP3/7.Assumed values for PI consistency set calculation 135
Table 158 CP3/7.PI consistency set 136 for MinDeviceInterval = 31.25 μs and NumberOfSwitches = 10
Table 159 CP3/7.Assumed values for PI consistency set calculation 137
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document is part 3 of GB/T 25105 "Industrial Communication Network Fieldbus Specification Type 10.PROFINET IO Specification"
GB/T 25105 has published the following parts.
--- Part 1.Application layer service definition;
--- Part 2.Application layer protocol specification;
--- Part 3.PROFINET IO communication profile.
This document replaces GB/T 25105.3-2014 "Industrial Communication Network Fieldbus Specification Type 10.PROFINET IO Specification
Compared with GB/T 25105.3-2014, in addition to structural adjustments and editorial changes,
In addition, the main technical changes are as follows.
---Added high availability and high performance application classes (see 4.2);
--- Added consistency class D (see 4.2.4, 4.3);
--- Added specification 3/7 (see 4.7, Appendix A.2.4).
This document is equivalent to IEC 61784-2-3.2023 "Industrial Network Specification Part 2-3.Based on ISO /IEC /IEEE8802-3
Additional real-time fieldbus profile CPF3".
The following minimal editorial changes were made to this document.
--- Deleted Table 1 about symbols in 3.3 of the English original text;
---The table numbers in the main text of Chapter 4 start from 1 (the table numbers in the original English text start from 2).
This document was proposed by the China Machinery Industry Federation.
This document is under the jurisdiction of the National Industrial Process Measurement, Control and Automation Standardization Technical Committee (SAC/TC124).
This document was drafted by. Mechanical Industry Instrumentation Comprehensive Technical and Economic Research Institute, Caos Industrial Intelligence Research Institute (Qingdao) Co., Ltd.
Shanghai Electric Power University, Shanghai Automation Instrument Co., Ltd., Beijing Dingshi Innovation Technology Co., Ltd., Shenyang Field IoT Technology Co., Ltd.
Ltd., Shenyang University of Technology, Beijing Instrument Measurement Technology Development Co., Ltd., Siemens (China) Ltd., Phoenix (Nanjing) Intelligent
Manufacturing Technology Engineering Co., Ltd., Beijing Dongtu Technology Co., Ltd., Liaoning University, and Shenyang Institute of Automation, Chinese Academy of Sciences.
The main drafters of this document are. Xie Sufen, Liu Peng, Zhao Yong, Feng Shangke, Li Wenjuan, Bao Weihua, Wang Jing, Yang Deqi, Qin Chenggang, Xu Daqian,
Zhang Xiaoling, Wei Jianwei, Huang Yi, Zhang Long, Zhu Guoliang, Song Yan, and Yang Zhijia.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2014 as GB/T 25105.3-2014;
---This is the first revision.
Introduction
GB/T 25105 is proposed to consist of three parts.
--- Part 1.Application layer service definition. The purpose is to provide a time-sensitive and non-critical communication platform for applications in an automation environment.
Time-critical message communication provides common elements and PROFINET IO fieldbus-specific information, defined in an abstract way
The PROFINETIO fieldbus application layer provides externally visible services. It includes. abstract model of application resources (objects);
primitive actions and events of the service; parameters associated with each primitive action and event.
--- Part 2.Application layer protocol specification. The purpose is to define the PROFINET IO fieldbus application layer in an abstract way
The externally visible behavior of the application layer protocol data unit transmitted between communication application entities.
The input syntax, the application context state machine of the application service behavior, and the application relationship state machine of the communication behavior.
--- Part 3.PROFINET IO communication profile. The purpose is to define a family of communication profiles for real-time Ethernet (RTE)
(CPF3). CPF3 specifies a set of real-time Ethernet communication profiles and a set of IEC 61158 series (type
10) ISO /IEC /IEEE8802-3 and other standard related network components.
RTE performance indicators and the relationship between performance indicators.
Fieldbus Specifications for Industrial Communication Networks
Type 10.PROFINET IO specification
Part 3.PROFINET IO communication profile
1 Scope
This document defines extensions to the Communication Profile Family 3 (CPF3) for Real-Time Ethernet (RTE). CPF3 specifies
A collection of (RTE) communication profiles, as well as related standards based on the IEC 61158 series (Type 10), ISO /IEC /IEEE8802-3 and other standards
Close network components.
For each RTE communication profile, this document also specifies the relevant RTE performance indicators and the relationship between the performance indicators.
Note 1.All CPs are based on standards or draft standards or international standards published by IEC, or standards or international standards of other standard organizations, or open standards.
Standard process documentation.
Note 2.The RTE communication profile uses ISO /IEC /IEEE8802-3 communication networks and related network components. In some cases, these standards may be revised to obtain
Get RTE features.
Note 3.Some CPs of CPF3 are specified in IEC 61784-1-3.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 17969.8-2024 Information Technology Object Identifier Registration Authority Operating Procedures Part 8.Universally Unique Identifiers
Generation of (UUIDs) and their use in object identifiers (ISO /IEC 9834-8.2014, IDT)
GB/T 25105.1-2025 Industrial Communication Network Fieldbus Specification Type 10 Part 1.Application Layer Service Definition
(IEC 61158-5-10.2023, IDT)
GB/T 25105.2-2025 Industrial Communication Network Fieldbus Specification Type 10 Part 2.Application Layer Protocol Specification
(IEC 61158-6-10.2023, IDT)
ISO 15745-4.2003/AMD1.2006 Industrial automation systems and integration Open system application integration framework Part 4.
ernet-basedcontrolsystems-Amendment1.PROFINETprofiles)
ISO /IEC /IEEE8802-3.2021 Information technology systems - Telecommunications and information exchange between local and metropolitan area networks
Ethernet)
Note. GB/T 15629.3-2014 Information technology systems - Telecommunications and information exchange - Specific requirements for local area networks and metropolitan area networks - Part 3.
Carrier Sense Multiple Access with Collision Detection (CSMA/CD) access method and physical layer specification (ISO /IEC 8802-3.2000, MOD)
IEC 61784-1-3 Industrial communication network profiles Part 1-3.Fieldbus profiles Communication profile family 3 (Industrial
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