IEC 61918:2018

IEC 61918 ®
Edition 4.0 2018-09
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial communication networks –
Installation of communication networks in industrial premises

Réseaux de communication industriels –
Installation de réseaux de communication dans des locaux industriels

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IEC 61918 ®
Edition 4.0 2018-09
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial communication networks –

Installation of communication networks in industrial premises

Réseaux de communication industriels –

Installation de réseaux de communication dans des locaux industriels

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.040.40; 33.020; 35.240.50 ISBN 978-2-8322-6027-2

– 2 – IEC 61918:2018 © IEC 2018
CONTENTS
FOREWORD . 11
INTRODUCTION . 13
1 Scope . 16
2 Normative references . 16
3 Terms, definitions, and abbreviated terms . 19
3.1 Terms and definitions . 19
3.2 Abbreviated terms . 31
3.3 Conventions for installation profiles . 32
4 Installation planning. 33
4.1 General . 33
4.1.1 Objective . 33
4.1.2 Cabling in industrial premises . 33
4.1.3 The planning process . 35
4.1.4 Specific requirements for CPs. 36
4.1.5 Specific requirements for generic cabling in accordance with
ISO/IEC 11801-3 . 36
4.2 Planning requirements . 36
4.2.1 Safety . 36
4.2.2 Security . 37
4.2.3 Environmental considerations and EMC . 37
4.2.4 Specific requirements for generic cabling in accordance with
ISO/IEC 11801-3 . 39
4.3 Network capabilities . 39
4.3.1 Network topology . 39
4.3.2 Network characteristics . 41
4.4 Selection and use of cabling components . 44
4.4.1 Cable selection . 44
4.4.2 Connecting hardware selection . 48
4.4.3 Connections within a channel/permanent link . 50
4.4.4 Terminators . 55
4.4.5 Device location and connection . 56
4.4.6 Coding and labelling . 56
4.4.7 Earthing and bonding of equipment and devices and shielded cabling . 57
4.4.8 Storage and transportation of cables . 67
4.4.9 Routing of cables . 67
4.4.10 Separation of circuits . 69
4.4.11 Mechanical protection of cabling components . 70
4.4.12 Installation in special areas . 71
4.5 Cabling planning documentation . 71
4.5.1 Common description . 71
4.5.2 Cabling planning documentation for CPs . 71
4.5.3 Network certification documentation . 72
4.5.4 Cabling planning documentation for generic cabling in accordance with
ISO/IEC 11801-3 . 72
4.6 Verification of cabling planning specification . 72
5 Installation implementation . 72
5.1 General requirements . 72

5.1.1 Common description . 72
5.1.2 Installation of CPs . 72
5.1.3 Installation of generic cabling in industrial premises . 72
5.2 Cable installation . 72
5.2.1 General requirements for all cabling types . 72
5.2.2 Installation and routing . 78
5.2.3 Specific requirements for CPs. 80
5.2.4 Specific requirements for wireless installation . 80
5.2.5 Specific requirements for generic cabling in accordance with
ISO/IEC 11801-3 . 80
5.3 Connector installation . 80
5.3.1 Common description . 80
5.3.2 Shielded connectors . 81
5.3.3 Unshielded connectors . 81
5.3.4 Specific requirements for CPs. 81
5.3.5 Specific requirements for wireless installation . 81
5.3.6 Specific requirements for generic cabling in accordance with
ISO/IEC 11801-3 . 81
5.4 Terminator installation . 82
5.4.1 Common description . 82
5.4.2 Specific requirements for CPs. 82
5.5 Device installation . 82
5.5.1 Common description . 82
5.5.2 Specific requirements for CPs. 82
5.6 Coding and labelling . 82
5.6.1 Common description . 82
5.6.2 Specific requirements for CPs. 82
5.7 Earthing and bonding of equipment and devices and shield cabling . 82
5.7.1 Common description . 82
5.7.2 Bonding and earthing of enclosures and pathways. 83
5.7.3 Earthing methods . 85
5.7.4 Shield earthing methods . 87
5.7.5 Specific requirements for CPs. 89
5.7.6 Specific requirements for generic cabling in accordance with
ISO/IEC 11801-3 . 89
5.8 As-implemented cabling documentation . 90
6 Installation verification and installation acceptance test . 90
6.1 General . 90
6.2 Installation verification . 90
6.2.1 General . 90
6.2.2 Verification according to cabling planning documentation . 91
6.2.3 Verification of earthing and bonding . 92
6.2.4 Verification of shield earthing . 93
6.2.5 Verification of cabling system . 93
6.2.6 Cable selection verification . 93
6.2.7 Connector verification . 94
6.2.8 Connection verification . 94
6.2.9 Terminator verification . 96
6.2.10 Coding and labelling verification . 96

– 4 – IEC 61918:2018 © IEC 2018
6.2.11 Verification report . 96
6.3 Installation acceptance test . 96
6.3.1 General . 96
6.3.2 Acceptance test of Ethernet-based cabling . 98
6.3.3 Acceptance test of non-Ethernet-based cabling . 100
6.3.4 Specific requirements for wireless installation . 101
6.3.5 Acceptance test report . 101
7 Installation administration . 102
7.1 General . 102
7.2 Fields covered by the administration . 102
7.3 Basic principles for the administration system . 102
7.4 Working procedures . 102
7.5 Device location labelling . 103
7.6 Component cabling labelling . 103
7.7 Documentation . 104
7.8 Specific requirements for administration . 105
8 Installation maintenance and installation troubleshooting . 105
8.1 General . 105
8.2 Maintenance . 105
8.2.1 Scheduled maintenance . 105
8.2.2 Condition-based maintenance . 107
8.2.3 Corrective maintenance . 108
8.3 Troubleshooting . 108
8.3.1 General description . 108
8.3.2 Evaluation of the problem . 108
8.3.3 Typical problems . 109
8.3.4 Troubleshooting procedure . 110
8.3.5 Simplified troubleshooting procedure . 111
8.4 Specific requirements for maintenance and troubleshooting . 112
Annex A (informative) Overview of generic cabling for industrial premises . 113
Annex B (informative) MICE description methodology . 114
B.1 General . 114
B.2 Overview of MICE . 114
B.3 Examples of use of the MICE concept . 115
B.3.1 Common description . 115
B.3.2 Examples of mitigation . 115
B.4 Determining E classification . 117
B.5 The MICE table . 120
Annex C (informative) Network topologies . 122
C.1 Common description . 122
C.2 Total cable demand . 122
C.3 Maximum cable segment length . 122
C.4 Maximum network length . 122
C.5 Fault tolerance . 122
C.5.1 General . 122
C.5.2 Use of redundancy . 122
C.5.3 Failure analysis for networks with redundancy . 122
C.6 Network access for diagnosis convenience . 123

C.7 Maintainability and on-line additions . 123
Annex D (informative) Connector tables . 124
Annex E (informative) Power networks with respect to electromagnetic interference –
TN-C and TN-S approaches . 137
Annex F (informative) Conductor sizes in electrical cables . 139
Annex G (informative) Installed cabling verification checklists . 141
G.1 General . 141
G.2 Copper cabling verification checklist . 141
G.3 Optical fibre cabling verification checklist . 144
Annex H (normative) Cord sets . 146
H.1 General . 146
H.2 Constructing cord sets . 146
H.2.1 Straight through cord sets with M12-4 D-coding connectors . 146
H.2.2 Crossover cord sets with M12-4 D-coding connectors . 147
H.2.3 Straight through cord sets with 8-way modular connectors . 147
H.2.4 Crossover cord sets with 8-way modular connectors . 148
H.2.5 Straight conversion from one connector family to another . 149
H.2.6 Crossover conversion from one connector family to another . 149
H.2.7 Assignment of PMA signal to MDI and MDI-X in outs . 150
H.2.8 Signal and pin assignment for MDI and TIA568A . 151
H.2.9 Signal and pin assignment for MDIX and TIA568B . 151
H.2.10 Signal and pin assignment for MDIX and TIA568A . 152
Annex I (informative) Guidance for terminating cable ends. 153
I.1 General . 153
I.2 Guidance for terminating shielded twisted pair cable ends for 8-way modular
plugs . 153
I.3 Guidance for terminating unshielded twisted pair cable ends for 8-way
modular plugs . 155
I.4 Guidance for M12-4 D-coding connector installation . 156
I.5 Guidance for terminating optical fibre cable ends . 159
Annex J (informative) Recommendations for bulkhead connection performance and
channel performance with more than 4 connections in the channel . 160
J.1 General . 160
J.2 Recommendations . 160
Annex K (informative) Fieldbus data transfer testing . 161
K.1 Background. 161
K.2 Allowable error rates for control systems . 161
K.2.1 Bit errors . 161
K.2.2 Burst errors . 161
K.3 Testing channel performance . 162
K.4 Testing cable parameters . 162
K.4.1 General . 162
K.4.2 Generic cable testing . 162
K.4.3 Fieldbus cable testing . 162
K.5 Testing fieldbus data rate performance . 163
K.5.1 General . 163
K.5.2 Fieldbus test . 163
K.5.3 Planning for fieldbus data rate testing . 163
K.5.4 Fieldbus data rate test reporting template . 164

– 6 – IEC 61918:2018 © IEC 2018
K.5.5 Values for acceptable fieldbus performance . 164
Annex L (informative) Communication network installation work responsibility . 165
L.1 General . 165
L.2 Installation work responsibility . 165
L.3 Installation work responsibility table . 165
Annex M (informative) Trade names of communication profiles . 166
Annex N (informative) Validation measurements . 169
N.1 General . 169
N.2 DCR measurements . 169
N.2.1 Purpose of test . 169
N.2.2 Assumptions . 169
N.2.3 Measurements . 169
N.2.4 Calculations . 171
N.2.5 Measurement results . 171
Annex O (informative) End-to-end link . 175
O.1 General . 175
O.2 End-to-end link . 175
O.3 E2E link normative description . 176
O.4 E2E link measurement . 178
Annex P (normative) Temperature rise of cabling with remote powering . 179
P.1 General . 179
P.2 Scope . 179
P.3 Temperature de-rating calculation . 179
Bibliography . 181

Figure 1 – Industrial network installation life cycle . 14
Figure 2 – Standards relationships . 15
Figure 3 – Automation island cabling attached to elements of generic cabling . 33
Figure 4 – Automation islands . 34
Figure 5 – Automation island network external connections . 35
Figure 6 – How to meet environmental conditions . 38
Figure 7 – How enhancement, isolation and separation work together . 39
Figure 8 – Basic physical topologies for passive networks . 40
Figure 9 – Basic physical topologies for active networks . 40
Figure 10 – Example of combination of basic topologies . 40
Figure 11 – Basic reference implementation model . 51
Figure 12 – Enhanced reference implementation model . 52
Figure 13 – Equalisation and earthing conductor cross-sectional versus maximum
length . 58
Figure 14 – Selection of the earthing and bonding systems . 59
Figure 15 – Placement of equalisation conductors . 61
Figure 16 – Impedance of the earthing conductors and equalisation conductors versus
noise frequency . 62
Figure 17 – Wiring for bonding and earthing in an equipotential configuration . 63
Figure 18 – Wiring of the earths in a star earthing configuration . 64
Figure 19 – Schematic diagram of a field device with direct earthing . 65

Figure 20 – Schematic diagram of a field device with parallel RC circuit earthing . 65
Figure 21 – Insert edge protector . 74
Figure 22 – Use an uncoiling device and avoid forming loop . 75
Figure 23 – Avoid torsion . 75
Figure 24 – Maintain minimum bending radius . 76
Figure 25 – Do not pull by the individual wires . 76
Figure 26 – Use cable clamps with a large (wide) surface . 76
Figure 27 – Cable gland with bending protection . 77
Figure 28 – Spiral tube . 77
Figure 29 – Separate cable pathways . 80
Figure 30 – Impedance of the earthing circuit as a function of distance from the
metallic pathway . 83
Figure 31 – Use of flexible bonding straps at movable metallic pathways . 84
Figure 32 – Surface preparation for earthing and bonding electromechanical
connections . 85
Figure 33 – Example of isolated bus bar . 86
Figure 34 – Example of isolator for mounting DIN rails . 87
Figure 35 – Parallel RC shield earthing . 87
Figure 36 – Direct shield earthing . 88
Figure 37 – Examples for shielding application . 88
Figure 38 – Voltage offset mitigation . 89
Figure 39 – First example of derivatives of shield earthing . 89
Figure 40 – Second example of derivatives of shield earthing . 89
Figure 41 – Installation verification process . 91
Figure 42 – Test of earthing connections . 92
Figure 43 – Pin and pair grouping assignments for two eight position IEC 60603-7
subparts and four position IEC 60603 series to IEC 61076-2-101 connectors . 95
Figure 44 – Two pair 8-way modular connector . 95
Figure 45 – Transposed pairs, split pairs and reversed pair . 95
Figure 46 – Validation process . 97
Figure 47 – Schematic representation of the channel . 98
Figure 48 – Schematic representation of the permanent link . 98
Figure 49 – Schematic representation of an E2E link . 99
Figure 50 – Communication network maintenance . 107
Figure 51 – Troubleshooting procedure . 111
Figure 52 – Fault detection without special tools . 112
Figure B.1 – MICE classifications . 114
Figure B.2 – Example MICE classifications within a facility . 115
Figure B.3 – Enhancement, isolation and separation . 115
Figure B.4 – Example 1 of mitigation . 116
Figure B.5 – Example 2 of mitigation . 117
Figure B.6 – Frequency range of electromagnetic disturbance from common industrial
devices . 117
Figure B.7 – Example of a general guidance for separation versus EFT value. 119

– 8 – IEC 61918:2018 © IEC 2018
Figure E.1 – Four-wire power network (TN-C) . 137
Figure E.2 – Five wire power network (TN-S) . 138
Figure H.1 – Straight through cord sets with M12-4 D-coding connectors . 146
Figure H.2 – Straight through cord sets with 8-way modular connectors, 8 poles . 147
Figure H.3 – Straight through cord sets with 8-way modular connectors, 4 poles . 148
Figure H.4 –M12-8 X-coding connector . 150
Figure I.1 – Stripping the cable jacket . 153
Figure I.2 – Example of wire preparation for type A cables . 154
Figure I.3 – 8-way modular plug . 154
Figure I.4 – Inserting the cable into the connector body . 155
Figure I.5 – Crimping the connector . 155
Figure I.6 – Example of a cable preparation for type A wiring . 156
Figure I.7 – Connector components . 157
Figure I.8 – Cable preparation . 157
Figure I.9 – Connector wire gland, nut and shell on the cable . 157
Figure I.10 – Conductors preparation . 157
Figure I.11 – Jacket removal . 157
Figure I.12 – Shield preparation . 158
Figure I.13 – Conductors preparation . 158
Figure I.14 – Installing conductors in connector . 158
Figure I.15 – Assembling the body of the connector . 158
Figure I.16 – Final assembling . 159
Figure N.1 – Loop resistance measurement wire to wire . 169
Figure N.2 – Loop resistance measurement wire 1 to shield . 170
Figure N.3 – Loop resistance measurement wire 2 to shield . 170
Figure N.4 – Resistance measurement for detecting wire shorts . 170
Figure N.5 – Resistance measurement between wire 1 and wire 2 . 170
Figure N.6 – Validation of the cable DCR . 172
Figure N.7 – Conclusions for cable open or shorts . 173
Figure N.8 – Determination of proper cable terminator value . 174
Figure O.1 – Channel according to ISO/IEC 11801 . 175
Figure O.2 – End-to-end link . 176
Figure O.3 – One segment, two Connection E2E link . 176
Figure O.4 – Two Segment, three Connection E2E link . 176
Figure O.5 – Three Segment, one Connection bulkheads, four Connection E2E link . 177
Figure O.6 – Three Segment, two Connection, six Connection E2E link . 177
Figure O.7 – Three Segment, four Connection E2E link . 177
Figure O.8 – Four Segment, five Connection E2E link . 177
Figure O.9 – Five Segment, six Connection E2E link . 177

Table 1 – Basic network characteristics for balanced cabling not based on Ethernet . 42
Table 2 – Network characteristics for balanced cabling based on Ethernet. 42
Table 3 – Network characteristics for optical fibre cabling . 43

Table 4 – Information relevant to copper cable: fixed cables . 45
Table 5 – Information relevant to copper cable: cords . 45
Table 6 – Information relevant to opt
...

IEC 61918 ®
Edition 4.1 2022-03
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial communication networks – Installation of communication networks in
industrial premises
Réseaux de communication industriels – Installation de réseaux de
communication dans des locaux industriels
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
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copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
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International Standards for all electrical, electronic and related technologies.

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IEC 61918 ®
Edition 4.1 2022-03
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial communication networks – Installation of communication networks in
industrial premises
Réseaux de communication industriels – Installation de réseaux de
communication dans des locaux industriels
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.040.40; 33.020, 35.240.50 ISBN 978-2-8322-4994-9

IEC 61918 ®
Edition 4.1 2022-03
CONSOLIDATED VERSION
REDLINE VERSION
VERSION REDLINE
colour
inside
Industrial communication networks – Installation of communication networks in
industrial premises
Réseaux de communication industriels – Installation de réseaux de
communication dans des locaux industriels

– 2 – IEC 61918:2018+AMD1:2022 CSV
© IEC 2022
CONTENTS
FOREWORD . 12
INTRODUCTION . 14
INTRODUCTION to Amendment 1 . 18
1 Scope . 19
2 Normative references . 19
3 Terms, definitions, and abbreviated terms . 23
3.1 Terms and definitions . 23
3.2 Abbreviated terms . 35
3.3 Conventions for installation profiles . 37
4 Installation planning. 37
4.1 General . 37
4.1.1 Objective . 37
4.1.2 Cabling in industrial premises . 37
4.1.3 The planning process . 40
4.1.4 Specific requirements for CPs. 41
4.1.5 Specific requirements for generic cabling in accordance with
ISO/IEC 11801-3 . 41
4.2 Planning requirements . 41
4.2.1 Safety . 41
4.2.2 Security . 42
4.2.3 Environmental considerations and EMC . 42
4.2.4 Specific requirements for generic cabling in accordance with
ISO/IEC 11801-3 . 44
4.3 Network capabilities . 44
4.3.1 Network topology . 44
4.3.2 Network characteristics . 46
4.4 Selection and use of cabling components . 49
4.4.1 Cable selection . 49
4.4.2 Connecting hardware selection . 53
4.4.3 Connections within a channel/permanent link . 55
4.4.4 Terminators . 61
4.4.5 Device location and connection . 61
4.4.6 Coding and labelling . 61
4.4.7 Earthing and bonding of equipment and devices and shielded cabling . 62
4.4.8 Storage and transportation of cables . 73
4.4.9 Routing of cables . 73
4.4.10 Separation of circuits . 75
4.4.11 Mechanical protection of cabling components . 76
4.4.12 Installation in special areas . 77
4.5 Cabling planning documentation . 77
4.5.1 Common description . 77
4.5.2 Cabling planning documentation for CPs . 77
4.5.3 Network certification documentation . 78
4.5.4 Cabling planning documentation for generic cabling in accordance with
ISO/IEC 11801-3 . 78
4.6 Verification of cabling planning specification . 78

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5 Installation implementation . 78
5.1 General requirements . 78
5.1.1 Common description . 78
5.1.2 Installation of CPs . 78
5.1.3 Installation of generic cabling in industrial premises . 78
5.2 Cable installation . 78
5.2.1 General requirements for all cabling types . 78
5.2.2 Installation and routing . 84
5.2.3 Specific requirements for CPs. 86
5.2.4 Specific requirements for wireless installation . 86
5.2.5 Specific requirements for generic cabling in accordance with
ISO/IEC 11801-3 . 86
5.3 Connector installation . 86
5.3.1 Common description . 86
5.3.2 Shielded connectors . 87
5.3.3 Unshielded connectors . 87
5.3.4 Specific requirements for CPs. 87
5.3.5 Specific requirements for wireless installation . 87
5.3.6 Specific requirements for generic cabling in accordance with
ISO/IEC 11801-3 . 87
5.4 Terminator installation . 88
5.4.1 Common description . 88
5.4.2 Specific requirements for CPs. 88
5.5 Device installation . 88
5.5.1 Common description . 88
5.5.2 Specific requirements for CPs. 88
5.6 Coding and labelling . 88
5.6.1 Common description . 88
5.6.2 Specific requirements for CPs. 88
5.7 Earthing and bonding of equipment and devices and shield cabling . 88
5.7.1 Common description . 88
5.7.2 Bonding and earthing of enclosures and pathways. 89
5.7.3 Earthing methods . 91
5.7.4 Shield earthing methods . 93
5.7.5 Specific requirements for CPs. 95
5.7.6 Specific requirements for generic cabling in accordance with
ISO/IEC 11801-3 . 95
5.8 As-implemented cabling documentation . 96
6 Installation verification and installation acceptance test . 96
6.1 General . 96
6.2 Installation verification . 96
6.2.1 General . 96
6.2.2 Verification according to cabling planning documentation . 97
6.2.3 Verification of earthing and bonding . 98
6.2.4 Verification of shield earthing . 99
6.2.5 Verification of cabling system . 100
6.2.6 Cable selection verification . 100
6.2.7 Connector verification . 100
6.2.8 Connection verification . 101

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6.2.9 Terminator verification . 103
6.2.10 Coding and labelling verification . 103
6.2.11 Verification report . 103
6.3 Installation acceptance test . 103
6.3.1 General . 103
6.3.2 Acceptance test of Ethernet-based cabling . 105
6.3.3 Acceptance test of non-Ethernet-based cabling . 108
6.3.4 Specific requirements for wireless installation . 108
6.3.5 Acceptance test report . 109
7 Installation administration . 109
7.1 General . 109
7.2 Fields covered by the administration . 109
7.3 Basic principles for the administration system . 109
7.4 Working procedures . 110
7.5 Device location labelling . 110
7.6 Component cabling labelling . 110
7.7 Documentation . 111
7.8 Specific requirements for administration . 112
8 Installation maintenance and installation troubleshooting . 112
8.1 General . 112
8.2 Maintenance . 112
8.2.1 Scheduled maintenance . 112
8.2.2 Condition-based maintenance . 114
8.2.3 Corrective maintenance . 115
8.3 Troubleshooting . 115
8.3.1 General description . 115
8.3.2 Evaluation of the problem . 115
8.3.3 Typical problems . 116
8.3.4 Troubleshooting procedure . 118
8.3.5 Simplified troubleshooting procedure . 119
8.4 Specific requirements for maintenance and troubleshooting . 120
Annex A (informative) Overview of generic cabling for industrial premises . 121
Annex B (informative) MICE description methodology . 122
B.1 General . 122
B.2 Overview of MICE . 122
B.3 Examples of use of the MICE concept . 123
B.3.1 Common description . 123
B.3.2 Examples of mitigation . 123
B.4 Determining E classification . 125
B.5 The MICE table . 128
B.6 Communication devices and cabling considerations . 129
B.6.1 General . 129
B.6.2 Device types . 130
B.6.3 EMI resistance needed for E3 industrial applications . 131
Annex C (informative) Network topologies . 132
C.1 Common description . 132
C.2 Total cable demand . 132
C.3 Maximum cable segment length . 132

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C.4 Maximum network length . 132
C.5 Fault tolerance . 132
C.5.1 General . 132
C.5.2 Use of redundancy . 132
C.5.3 Failure analysis for networks with redundancy . 132
C.6 Network access for diagnosis convenience . 133
C.7 Maintainability and on-line additions . 133
Annex D (informative) Connector tables . 134
Annex E (informative) Power networks with respect to electromagnetic interference –
TN-C and TN-S approaches . 148
Annex F (informative) Conductor sizes in electrical cables . 150
Annex G (informative) Installed cabling verification checklists . 151
G.1 General . 151
G.2 Copper cabling verification checklist . 151
G.3 Optical fibre cabling verification checklist . 154
Annex H (normative) Cord sets . 156
H.1 General . 156
H.2 Constructing cord sets . 156
H.2.1 Straight through cord sets with M12-4 D-coding connectors . 156
H.2.2 Crossover cord sets with M12-4 D-coding connectors . 157
H.2.3 Straight through cord sets with 8-way modular connectors . 157
H.2.4 Crossover cord sets with 8-way modular connectors . 158
H.2.5 Straight conversion from one connector family to another . 159
H.2.6 Crossover conversion from one connector family to another . 159
H.2.7 Assignment of PMA signal to MDI and MDI-X in outs . 160
H.2.8 Signal and pin assignment for MDI and TIA568A . 161
H.2.9 Signal and pin assignment for MDIX and TIA568B . 161
H.2.10 Signal and pin assignment for MDIX and TIA568A . 162
H.2.11 Straight through cord set with IEC 63171-6 connectors . 162
Annex I (informative) Guidance for terminating cable ends. 163
I.1 General . 163
I.2 Guidance for terminating shielded twisted pair cable ends for 8-way modular
plugs . 163
I.3 Guidance for terminating unshielded twisted pair cable ends for 8-way
modular plugs . 165
I.4 Guidance for M12-4 D-coding connector installation . 166
I.5 Guidance for terminating optical fibre cable ends . 169
Annex J (informative) Recommendations for bulkhead connection performance and
channel performance with more than 4 connections in the a 4-pair channel . 170
J.1 General . 170
J.2 Recommendations . 170
Annex K (informative) Fieldbus data transfer testing . 171
K.1 Background. 171
K.2 Allowable error rates for control systems . 171
K.2.1 Bit errors . 171
K.2.2 Burst errors . 171
K.3 Testing channel performance . 172
K.4 Testing cable parameters . 172
K.4.1 General . 172

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K.4.2 Generic cable cabling testing . 172
K.4.3 Fieldbus cable cabling testing . 172
K.5 Testing fieldbus data rate performance . 173
K.5.1 General . 173
K.5.2 Fieldbus test . 173
K.5.3 Planning for fieldbus data rate testing . 173
K.5.4 Fieldbus data rate test reporting template . 174
K.5.5 Values for acceptable fieldbus performance . 174
Annex L (informative) Communication network installation work responsibility . 175
L.1 General . 175
L.2 Installation work responsibility . 175
L.3 Installation work responsibility table . 175
Annex M (informative) Trade names of communication profiles . 176
Annex N (informative) Validation measurements . 179
N.1 General . 179
N.2 DCR measurements . 179
N.2.1 Purpose of test . 179
N.2.2 Assumptions . 179
N.2.3 Measurements . 179
N.2.4 Calculations . 181
N.2.5 Measurement results . 181
Annex O (informative) End-to-end link . 185
O.1 General . 185
O.2 End-to-end link . 185
O.3 E2E link normative description . 186
O.4 E2E link measurement . 188
Annex P (normative) Temperature rise of cabling with remote powering . 189
P.1 General . 189
P.2 Scope . 189
P.3 Temperature de-rating calculation . 189
Annex Q (normative) Additional requirements for the installation of Ethernet-based
balanced 1-pair networks in industrial premises . 191
Q.1 Overview. 191
Q.2 Installation planning . 191
Q.2.1 General . 191
Q.2.2 Basic balanced 1-pair network characteristics . 191
Q.2.3 Balanced 1-pair cables . 192
Q.2.4 Balanced 1-pair connecting hardware . 192
Q.2.5 Balanced 1-pair cabling channels . 194
Q.2.6 Remote powering . 195
Q.2.7 Reuse of legacy cabling . 195
Q.3 Installation implementation. 196
Q.3.1 General . 196
Q.3.2 Additional installation implementation . 196
Q.4 Installation verification and installation acceptance test . 196
Q.4.1 General . 196
Q.4.2 Additional installation verification and acceptance test. 196
Bibliography . 197

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Figure 1 – Industrial network installation life cycle . 15
Figure 2 – Standards relationships . 17
Figure 3 – Automation island cabling attached to elements of generic cabling . 38
Figure 4 – Automation islands . 39
Figure 5 – Automation island network external connections . 40
Figure 6 – How to meet environmental conditions . 43
Figure 7 – How enhancement, isolation and separation work together . 44
Figure 8 – Basic physical topologies for passive networks . 45
Figure 9 – Basic physical topologies for active networks . 45
Figure 10 – Example of combination of basic topologies . 45
Figure 11 – Basic reference implementation model . 56
Figure 12 – Enhanced reference implementation model . 57
Figure 13 – Equalisation and earthing conductor cross-sectional versus maximum
length . 64
Figure 14 – Selection of the earthing and bonding systems . 65
Figure 15 – Placement of equalisation conductors . 67
Figure 16 – Impedance of the earthing conductors and equalisation conductors versus
noise frequency . 68
Figure 17 – Wiring for bonding and earthing in an equipotential a mesh configuration . 69
Figure 18 – Wiring of the earths in a star earthing configuration . 70
Figure 19 – Schematic diagram of a field device with direct earthing . 71
Figure 20 – Schematic diagram of a field device with parallel RC circuit earthing . 71
Figure 21 – Insert edge protector . 80
Figure 22 – Use an uncoiling device and avoid forming loop . 81
Figure 23 – Avoid torsion . 81
Figure 24 – Maintain minimum bending radius . 82
Figure 25 – Do not pull by the individual wires . 82
Figure 26 – Use cable clamps with a large (wide) surface . 82
Figure 27 – Cable gland with bending protection . 83
Figure 28 – Spiral tube . 83
Figure 29 – Separate cable pathways . 86
Figure 30 – Impedance of the earthing circuit as a function of distance from the
metallic pathway . 89
Figure 31 – Use of flexible bonding straps at movable metallic pathways . 90
Figure 32 – Surface preparation for earthing and bonding electromechanical
connections . 91
Figure 33 – Example of isolated bus bar . 92
Figure 34 – Example of isolator for mounting DIN rails . 93
Figure 35 – Parallel RC shield earthing . 93
Figure 36 – Direct shield earthing . 94
Figure 37 – Examples for shielding application . 94
Figure 38 – Voltage offset mitigation . 95
Figure 39 – First example of derivatives of shield earthing . 95
Figure 40 – Second example of derivatives of shield earthing . 95

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Figure 41 – Installation verification process . 98
Figure 42 – Test of earthing connections . 99
Figure 43 – Pin and pair grouping assignments for two eight position IEC 60603-7
subparts and four position IEC 60603 series to IEC 61076-2-101 connectors . 102
Figure 44 – Two pair 8-way modular connector . 102
Figure 45 – Transposed pairs, split pairs and reversed pair . 102
Figure 46 – Validation process . 104
Figure 47 – Schematic representation of the channel . 105
Figure 48 – Schematic representation of the permanent link . 105
Figure 49 – Schematic representation of an E2E link . 106
Figure 50 – Communication network maintenance . 114
Figure 51 – Troubleshooting procedure . 119
Figure 52 – Fault detection without special tools . 120
Figure B.1 – MICE classifications . 122
Figure B.2 – Example MICE classifications within a facility . 123
Figure B.3 – Enhancement, isolation and separation . 123
Figure B.4 – Example 1 of mitigation . 124
Figure B.5 – Example 2 of mitigation . 125
Figure B.6 – Frequency range of electromagnetic disturbance from common industrial
devices . 125
Figure B.7 – Example of a general guidance for separation versus EFT value. 127
Figure B.8 – Communication device interface with limited EMI immunity . 130
Figure B.9 – Communication device interfaces with medium EMI immunity . 130
Figure B.10 – Communication device interface with the highest EMI immunity (type 2) . 131
Figure E.1 – Four-wire power network (TN-C) . 148
Figure E.2 – Five wire power network (TN-S) . 149
Figure H.1 – Straight through cord sets with M12-4 D-coding connectors . 156
Figure H.2 – Straight through cord sets with 8-way modular connectors, 8 poles . 157
Figure H.3 – Straight through cord sets with 8-way modular connectors, 4 poles . 158
Figure H.4 –M12-8 X-coding connector . 160
Figure I.1 – Stripping the cable jacket . 163
Figure I.2 – Example of wire preparation for type A cables . 164
Figure I.3 – 8-way modular plug . 164
Figure I.4 – Inserting the cable into the connector body . 165
Figure I.5 – Crimping the connector . 165
Figure I.6 – Example of a cable preparation for type A wiring . 166
Figure I.7 – Connector components . 167
Figure I.8 – Cable preparation . 167
Figure I.9 – Connector wire gland, nut and shell on the cable . 167
Figure I.10 – Conductors preparation . 167
Figure I.11 – Jacket removal . 168
Figure I.12 – Shield preparation . 168
Figure I.13 – Conductors preparation . 168
Figure I.14 – Installing conductors in connector . 168

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Figure I.15 – Assembling the body of the connector .
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