Industrial communication networks - Installation of communication networks in industrial premises

IEC 61918:2010(E) specifies basic requirements for the installation of media for communication networks in industrial premises and within and between the automation islands, of industrial sites. This standard covers balanced and optical fibre cabling. It also covers the cabling infrastructure for wireless media, but not the wireless media itself. Additional media are covered in the IEC 61784-5 series. This second edition cancels and replaces the first edition published in 2007 and Corrigendum 1 (2009). It constitutes a technical revision. This edition includes the following technical changes with respect to the previous edition: - 4.4.7.2.1 is updated; - 4.4.7.3.4 is updated; - 5.7.4.3 is updated as result of the revision of the installation profiles; - 6.2.3.1 is updated; - Figure 2, Figure 15, Table 14 and Table B.3 are updated; - a new Figure 35 is added; - a new Table 10 is added; - Annex D is extended to cover additional communication profile families; - Annex F is extended to cover conductor sizes in electrical cables; - Annex H is made normative; - some common requirements are extended as result of the revision of the installation profiles. This publication is to be read in conjunction with the IEC 61784 series and ISO/IEC/TR 14763-2:2000.

Industrielle Kommunikationsnetze - Installation von Kommunikationsnetzen in Industrieanlagen

Réseaux de communication industriels - Installation des réseaux de communication dans les locaux industriels

Industrijska komunikacijska omrežja - Inštalacija komunikacijskih omrežij v industrijskih okoljih

General Information

Status
Not Published
Technical Committee
CLC/TC 65CX - Fieldbus
Drafting Committee
IEC/SC 65C - IEC_SC_65C
Parallel Committee
IEC/SC 65C - IEC_SC_65C
Current Stage
4020 - Enquiry circulated - Enquiry
Due Date
16-Oct-2009
Completion Date
16-Oct-2009

Relations

Effective Date
07-Jun-2022

Overview

prEN 61918 (CLC / IEC 61918) defines requirements for the installation of communication-network media in industrial premises and between automation islands on industrial sites. The standard addresses balanced cabling, optical fibre, and the cabling infrastructure supporting wireless media (but not the wireless media itself). This second edition is a technical revision and is intended to be read in conjunction with the IEC 61784 series and ISO/IEC/TR 14763-2:2000.

The document focuses on practical installation concerns: planning, component selection, routing, earthing and bonding, verification and acceptance testing. It also aligns generic cabling approaches with European standards for industrial environments.

Key Topics

  • Scope of media: Balanced twisted-pair and optical-fibre cabling; infrastructure considerations for wireless deployments.
  • Installation planning: Network topology, environmental considerations, EMC mitigation, safety and security requirements, and documentation of cabling plans.
  • Component selection: Guidance on choosing cables, connectors and connecting hardware suitable for industrial conditions and automation islands.
  • Earthing and bonding: Methods for earthing and shield management to minimize EMC and ensure safe operation of communication networks.
  • Routing and protection: Mechanical protection, separation of circuits, routing in special areas and storage/transportation of cables.
  • Verification and acceptance: Installation verification, test documentation and specific checks for earthing, shielding and cabling system performance.
  • Updates and annexes: This edition updates multiple clauses and figures, adds new figures and tables, extends Annex D (communication profile families) and Annex F (conductor sizes), and makes Annex H normative.

Applications

prEN 61918 is targeted at:

  • System integrators and installers deploying communication networks in factories, process plants and industrial buildings.
  • Plant engineers planning automation islands and inter-island communication infrastructure.
  • EMC and safety engineers seeking standardized practices for earthing, shielding and separation of networks from power circuits.
  • Project managers and facility owners needing consistent cabling planning, documentation and acceptance test procedures.

Benefits include improved network reliability, reduced electromagnetic interference (EMC) risk, clearer installation profiles for automation systems, and consistent documentation to support maintenance and upgrades.

Related Standards

  • IEC 61784 series - for communication profile families used in industrial networks.
  • ISO/IEC/TR 14763-2:2000 - verification and installation guidance for generic cabling (referenced for planning and testing).
  • European EN series (e.g., EN 50174 / EN 50173) - referenced where generic cabling and European-level relationships apply to industrial premises.

For implementers, prEN 61918 provides a practical framework for planning, installing and verifying industrial communication cabling, ensuring interoperability, safety and measurable network performance in demanding industrial environments.

Frequently Asked Questions

prEN 61918 is a draft published by CLC. Its full title is "Industrial communication networks - Installation of communication networks in industrial premises". This standard covers: IEC 61918:2010(E) specifies basic requirements for the installation of media for communication networks in industrial premises and within and between the automation islands, of industrial sites. This standard covers balanced and optical fibre cabling. It also covers the cabling infrastructure for wireless media, but not the wireless media itself. Additional media are covered in the IEC 61784-5 series. This second edition cancels and replaces the first edition published in 2007 and Corrigendum 1 (2009). It constitutes a technical revision. This edition includes the following technical changes with respect to the previous edition: - 4.4.7.2.1 is updated; - 4.4.7.3.4 is updated; - 5.7.4.3 is updated as result of the revision of the installation profiles; - 6.2.3.1 is updated; - Figure 2, Figure 15, Table 14 and Table B.3 are updated; - a new Figure 35 is added; - a new Table 10 is added; - Annex D is extended to cover additional communication profile families; - Annex F is extended to cover conductor sizes in electrical cables; - Annex H is made normative; - some common requirements are extended as result of the revision of the installation profiles. This publication is to be read in conjunction with the IEC 61784 series and ISO/IEC/TR 14763-2:2000.

IEC 61918:2010(E) specifies basic requirements for the installation of media for communication networks in industrial premises and within and between the automation islands, of industrial sites. This standard covers balanced and optical fibre cabling. It also covers the cabling infrastructure for wireless media, but not the wireless media itself. Additional media are covered in the IEC 61784-5 series. This second edition cancels and replaces the first edition published in 2007 and Corrigendum 1 (2009). It constitutes a technical revision. This edition includes the following technical changes with respect to the previous edition: - 4.4.7.2.1 is updated; - 4.4.7.3.4 is updated; - 5.7.4.3 is updated as result of the revision of the installation profiles; - 6.2.3.1 is updated; - Figure 2, Figure 15, Table 14 and Table B.3 are updated; - a new Figure 35 is added; - a new Table 10 is added; - Annex D is extended to cover additional communication profile families; - Annex F is extended to cover conductor sizes in electrical cables; - Annex H is made normative; - some common requirements are extended as result of the revision of the installation profiles. This publication is to be read in conjunction with the IEC 61784 series and ISO/IEC/TR 14763-2:2000.

prEN 61918 is classified under the following ICS (International Classification for Standards) categories: 25.040.40 - Industrial process measurement and control; 33.180 - Fibre optic communications; 35.110 - Networking. The ICS classification helps identify the subject area and facilitates finding related standards.

prEN 61918 has the following relationships with other standards: It is inter standard links to EN 61918:2008. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

prEN 61918 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


SLOVENSKI STANDARD
01-december-2009
Industrijska komunikacijska omrežja - Inštalacija komunikacijskih omrežij v
industrijskih okoljih
Industrial communication networks - Installation of communication networks in industrial
premises
Industrielle Kommunikationsnetze - Installation von Kommunikationsnetzen in
Industrieanlagen
Réseaux de communication industriels - Installation des réseaux de communication dans
les locaux industriels
Ta slovenski standard je istoveten z: prEN 61918:2009
ICS:
25.040.40 Merjenje in krmiljenje Industrial process
industrijskih postopkov measurement and control
35.110 Omreževanje Networking
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2009
EUROPÄISCHE NORM
ICS Will supersede EN 61918:2008

English version
Industrial communication networks -
Installation of communication networks in industrial premises
(IEC 61918:200X (65C/537/CDV), modified)

Réseaux de communication industriels -  Industrielle Kommunikationsnetze -
Installation des réseaux de Installation von Kommunikationsnetzen in
communication dans les locaux industriels Industrieanlagen
(CEI 61918:200X (65C/537/CDV), (IEC 61918:200X (65C/537/CDV),
modifiée) modifiziert)
This draft European Standard is submitted to CENELEC members for CENELEC enquiry.
Deadline for CENELEC: 2010-03-19.

The text of this draft consists of the text of IEC 61918:200X(65C/537/CDV) with common modifications prepared
by CLC/TC 65CX.
If this draft becomes a European Standard, CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national
standard without any alteration.

This draft European Standard was established by CENELEC in three official versions (English, French, German).
A version in any other language made by translation under the responsibility of a CENELEC member into its own
language and notified to the Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to
change without notice and shall not be referred to as a European Standard.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: Avenue Marnix 17, B - 1000 Brussels

© 2009 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Project: 22619 Ref. No. prEN 61918:2009 E

Draft for Enquiry
1 Foreword
3 The text of the future International Standard IEC 61918:200X (65C/537/CDV), prepared by
4 SC 65C, Industrial networks, of IEC TC 65, Industrial-process measurement and control, together
5 with the common modifications prepared by the Technical Committee CENELEC TC 65CX,
6 Fieldbus, is submitted to the CENELEC enquiry.
8 CLC/TC 65CX note:
9 According to CLC/TC65CX/SEC/126/REP IEC 61918, Ed. 2, was exempted from CENELEC
10 parallel vote procedure.
12 Reason for this exception are references to other standards, which differ on IEC- and on
13 CENELEC-level (see TC65CX -Resolution No. 97):
14 On IEC-level this standard refers to ISO/IEC 14763-2 (standard for the installation of the generic
15 cabling in non-industrial premises).
16 On European level future EN 61918 has to refer to corresponding European Standards of
17 EN 50174-series (see CLC/TC65CX/SEC/117/REP).
19 In order to ensure proper references the following common modifications shall be integrated; these
20 have been prepared with the help of the Convenor of IEC/SC 65C, JWG 10, and coordinated with
21 CLC/TC 215.
22 __________
Draft for Enquiry
EN 50EN 50174-174-33
EN 50EN 50174-174-22
EN 50EN 50174-174-11
– 3 – prEN 61918:2009
24 Text of prEN 61918
26 The text of this draft European Standard consists of the text of the future International Standard
27 IEC 61918:200X (65C/537/CDV) with the following common modifications.
29 COMMON MODIFICATIONS
31 • Introduction
32 Replace the last paragraph by:
33 For the installation of generic cabling this standard is to be used in conjunction with
34 EN 50174 (see Figure 2).
35 • Figure 2 – Standards relationships
36 Replace the original figure by the following one, which shows the standards
37 relationships at European level:
PPLLAANNINNINGNG
DDESIGESIGNN ANANDD
ININSTSTAALLLLAATTIIOONN
OffiOfficceess
GGEENNEERIC RIC
OOFFFFIICCEE PR PREMEMISEISESS EN 50173EN 50173--22
clauclausese
CACABBLLIINNGG
HomHomee
HHOOMMES ES EN 50173EN 50173--44
clauclausese
DaDattaa cen centtrre e
DDAATTAA CE CENTNTRERESS EN 50173EN 50173--55
clauclausese
BBEETTWWEENEEN
InIndduuststrialrial
AAUUTOTOMMAATITIOONN EN 50173EN 50173--33
clauclausese
ISISLLAANDSNDS
BBEETTWWEENEEN
EN 617EN 61784-84-55
AAUUTOTOMMAATITIOONN
INDUSINDUSTRITRIAAL PL PRREEMMISISEESS ENEN 61158 61158
serieseriess EN 61918EN 61918
ISISLLAANDSNDS
seriesseries
InInststallaallattiioonn
anandd ((CCommonommon
prprofiofilleess
WIWITTHHIINN
rrequiequirreemmentents)s)
EN 61784-EN 61784-1, -1, -22 ((SSelelececttiionon + +
AAUUTOTOMMAATITIOONN
AAdd/dd/RReeplpl//MMod)od)
ISISLLAANDSNDS
CCoommommon sn sttrruuctctureure
AAPPLPPLICICAATTIOIONN--SPECSPECIFIFICIC
CACABBLLIINNGG
1)
40 Figure 2 - Network installation: Standards relationships at European level
42 • In IEC 61918 the generic cabling is intended as ‘in accordance with ISO/IEC 24702’.
43 In EN 61918 the generic cabling shall be intended as ‘in accordance with EN 50173-3’.

1)
Editor’s note (to be deleted in the final version): Compared to EN 61918:2008 the arrow between
EN 61784-5 and EN 61918 has been modified to be bidirectional.
Draft for Enquiry
65C/537/CDV
COMMITTEE DRAFT FOR VOTE (CDV) ®
PROJET DE COMITÉ POUR VOTE (CDV)
Project number IEC 61918/Ed2.0
Numéro de projet
IEC/TC or SC: Secretariat / Secrétariat
65C
FRANCE
CEI/CE ou SC:
Date of circulation Closing date for voting (Voting
Submitted for parallel voting in
Date de diffusion mandatory for P-members)
CENELEC
Date de clôture du vote (Vote
2009-05-01
obligatoire pour les membres (P))
Soumis au vote parallèle au
CENELEC 2009-10-02
Also of interest to the following committees Supersedes document
Intéresse également les comités suivants Remplace le document
IEC 57 and ISO TC184/SC5 65C/515/CD
Proposed horizontal standard
Norme horizontale suggérée
Other TC/SCs are requested to indicate their interest, if any, in this CDV to the TC/SC secretary
Les autres CE/SC sont requis d’indiquer leur intérêt, si nécessaire, dans ce CDV à l’intention du secrétaire du CE/SC
Functions concerned
Fonctions concernées
Safety EMC Environment Quality assurance
Sécurité
CEM Environnement Assurance qualité
CE DOCUMENT EST TOUJOURS À L'ÉTUDE ET SUSCEPTIBLE DE THIS DOCUMENT IS STILL UNDER STUDY AND SUBJECT TO CHANGE. IT
MODIFICATION. IL NE PEUT SERVIR DE RÉFÉRENCE. SHOULD NOT BE USED FOR REFERENCE PURPOSES.
LES RÉCIPIENDAIRES DU PRÉSENT DOCUMENT SONT INVITÉS À RECIPIENTS OF THIS DOCUMENT ARE INVITED TO SUBMIT, WITH THEIR
PRÉSENTER, AVEC LEURS OBSERVATIONS, LA NOTIFICATION DES COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF
DROITS DE PROPRIÉTÉ DONT ILS AURAIENT ÉVENTUELLEMENT WHICH THEY ARE AWARE AND TO PROVIDE SUPPORTING
CONNAISSANCE ET À FOURNIR UNE DOCUMENTATION EXPLICATIVE. DOCUMENTATION.

Title : IEC 61918: Industrial communication networks – Installation of communication networks in
industrial premises
Introductory note
Editor’s notes – formatted like this one – are included in the document to inform CD reviewers about specific
questions and advices. These editor’s notes will not be part of the final International Standard.
This document is circulated for vote with comments. Comments will be solved during SC65C/JWG10
th th
meeting to be held in Berlin (Germany) on November 9 – 13 , 2009.

permitted to download this electronic file, to make a copy and to print out the content for the sole
purpose of preparing National Committee positions. You may not copy or "mirror" the file or
printed version of the document, or any part of it, for any other purpose without permission in
writing from IEC.
FORM CDV (IEC)
2009-01-09
65C/537/CDV – 2 – 61918/Ed.2 © IEC:2010 (E)
CONTENTS
FOREWORD.10
INTRODUCTION.12
1 Scope.15
2 Normative references .15
3 Terms, definitions, and abbreviated terms .18
3.1 Terms and definitions .18
3.2 Abbreviated terms .26
3.3 Conventions for installation profiles .28
4 Installation planning .28
4.1 Introduction .28
4.1.1 Objective .28
4.1.2 Cabling in industrial premises.28
4.1.3 The planning process .30
4.1.4 Specific requirements for CPs .31
4.1.5 Specific requirements for generic cabling in accordance with
ISO/IEC 24702 .31
4.2 Planning requirements.31
4.2.1 Safety.31
4.2.2 Security.32
4.2.3 Environmental considerations and EMC.32
4.2.4 Specific requirements for generic cabling in accordance with
ISO/IEC 24702 .34
4.3 Network capabilities .34
4.3.1 Network topology.34
4.3.2 Network characteristics .36
4.4 Selection and use of cabling components .39
4.4.1 Cable selection.39
4.4.2 Connecting hardware selection.43
4.4.3 Connections within a channel/permanent link .44
4.4.4 Terminators .50
4.4.5 Device location and connection .50
4.4.6 Coding and labelling .50
4.4.7 Earthing and bonding of equipment and devices and shielded cabling .51
4.4.8 Storage and transportation of cables .58
4.4.9 Routing of cables.58
4.4.10 Separation of circuits.60
4.4.11 Mechanical protection of cabling components .61
4.4.12 Installation in special areas .62
4.5 Cabling planning documentation.62
4.5.1 Common description.62
4.5.2 Cabling planning documentation for CPs .62
4.5.3 Network certification documentation .63
4.5.4 Cabling planning documentation for generic cabling in accordance
with ISO/IEC 24702 .63
4.6 Verification of cabling planning specification .63
5 Installation implementation .63
5.1 General requirements.63

61918 © IEC:2010 (E) – 159 – 65C/537/CDV
5.1.1 Common description.63
5.1.2 Installation of CPs .63
5.1.3 Installation of generic cabling in industrial premises .63
5.2 Cable installation.63
5.2.1 General requirements for all cabling types.63
5.2.2 Installation and routing .69
5.2.3 Specific requirements for CPs .70
5.2.4 Specific requirements for wireless installation.71
5.2.5 Specific requirements for generic cabling in accordance with
ISO/IEC 24702 .71
5.3 Connector installation.71
5.3.1 Common description.71
5.3.2 Shielded connectors .71
5.3.3 Unshielded connectors .72
5.3.4 Specific requirements for CPs .72
5.3.5 Specific requirements for wireless installation.72
5.3.6 Specific requirements for generic cabling in accordance with
ISO/IEC 24702 .72
5.4 Terminator installation.72
5.4.1 Common description.72
5.4.2 Specific requirements for CPs .72
5.5 Device installation .72
5.5.1 Common description.72
5.5.2 Specific requirements for CPs .72
5.6 Coding and labelling.73
5.6.1 Common description.73
5.6.2 Specific requirements for CPs .73
5.7 Earthing and bonding of equipment and devices and shield cabling.73
5.7.1 Common description.73
5.7.2 Bonding and earthing of enclosures and pathways .73
5.7.3 Earthing methods .74
5.7.4 Shield earthing methods .76
5.7.5 Specific requirements for CPs .78
5.7.6 Specific requirements for generic cabling in accordance with
ISO/IEC 24702 .78
5.8 As-implemented cabling documentation.78
6 Installation verification and installation acceptance test.79
6.1 Introduction .79
6.2 Installation verification.79
6.2.1 General .79
6.2.2 Verification according to cabling planning documentation .79
6.2.3 Verification of earthing and bonding .81
6.2.4 Verification of shield earthing .82
6.2.5 Verification of cabling system .82
6.2.6 Cable selection verification.82
6.2.7 Connector verification.82
6.2.8 Connection verification .83
6.2.9 Terminators verification .84
6.2.10 Coding and labelling verification .85
6.2.11 Verification report .85

65C/537/CDV – 2 – 61918/Ed.2 © IEC:2010 (E)
6.3 Installation acceptance test .85
6.3.1 General .85
6.3.2 Acceptance test of Ethernet based cabling .87
6.3.3 Acceptance test of non Ethernet based cabling .89
6.3.4 Specific requirements for wireless installation.90
6.3.5 Acceptance test report.90
7 Installation administration.90
7.1 General .90
7.2 Fields covered by the administration .90
7.3 Basic principles for the administration system .91
7.4 Working procedures .91
7.5 Device location labelling.91
7.6 Component cabling labelling.92
7.7 Documentation .93
7.8 Specific requirements for administration .93
8 Installation maintenance and installation troubleshooting .93
8.1 General .93
8.2 Maintenance.94
8.2.1 Scheduled maintenance .94
8.2.2 Condition-based maintenance .95
8.2.3 Corrective maintenance.96
8.3 Troubleshooting .96
8.3.1 General description .96
8.3.2 Evaluation of the problem .96
8.3.3 Typical problems .97
8.3.4 Troubleshooting procedure .99
8.3.5 Simplified troubleshooting procedure .100
8.4 Specific requirements for maintenance and troubleshooting .101
Annex A (informative) Introduction to generic cabling for industrial premises .102
Annex B (informative) MICE description methodology .103
B.1 General .103
B.2 Introduction to MICE.103
B.3 Examples of use of the MICE concept .104
B.3.1 Common description.104
B.3.2 Examples of mitigation .105
B.3.2.1 Example 1 .105
B.3.2.2 Example 2 .105
B.4 Determining E classification .106
B.5 The MICE table .108
Annex C (informative) Network topologies.111
C.1 Common description.111
C.2 Total cable demand .111
C.3 Maximum cable segment length.111
C.4 Maximum network length .111
C.5 Fault tolerance .111
C.5.1 General .111
C.5.2 Use of redundancy .111
C.5.3 Failure analysis for networks with redundancy.111

61918 © IEC:2010 (E) – 159 – 65C/537/CDV
C.6 Network access for diagnosis convenience.112
C.7 Maintainability and on-line additions .112
Annex D (informative) Connector table.113
Annex E (informative) Power networks with respect to electromagnetic interference –
TN-C and TN-S approaches .126
Annex F (informative) Conversion table mm to AWG.128
Annex G (informative) Installed cabling verification checklists.129
G.1 Introduction .129
G.2 Copper cabling verification checklist.129
G.3 Optical fibre cabling verification checklist .132
Annex H (normative) Cord sets .133
H.1 General .133
H.2 Constructing cord sets.133
H.2.1 Straight through cord sets with M12-4 D-coding connectors .133
H.2.2 Crossover cord sets with M12-4 D-coding connectors.134
H.2.3 Straight through cord sets with 8-way modular connectors .134
H.2.4 Crossover cord sets with 8-way modular connectors .135
H.2.5 Straight conversion from one connector family to another.136
H.2.6 Crossover conversion from one connector family to another .136
Annex I (informative) Guidance for terminating cable ends .138
I.1 Introduction .138
I.2 Guidance for terminating shielded twisted pair cable ends for 8-way modular plugs.138
I.3 Guidance for terminating unshielded twisted pair cable ends for 8-way modular
plugs .140
I.4 Guidance for M12-4 D-coding connector installation .141
I.5 Guidance for terminating optical fibre cable ends .144
Annex J (informative) Recommendations for bulkhead connection performance and
channel performance with more than 4 connections in the channel.145
J.1 Introduction .145
J.2 Recommendations.145
Annex K (informative) Fieldbus data transfer testing .146
K.1 Background .146
K.2 Allowable error rates for control systems .146
K.2.1 Bit errors .146
K.2.2 Burst errors .146
K.3 Testing channel performance .147
K.4 Testing cable parameters .147
K.4.1 General .147
K.4.2 Generic cable testing.147
K.4.3 Fieldbus cable testing.147
K.5 Testing fieldbus data rate performance.148
K.5.1 General .148
K.5.2 Fieldbus test .148
K.5.3 Planning for fieldbus data rate testing .148
K.5.4 Fieldbus data rate test reporting template .149
K.5.5 Values for acceptable fieldbus performance .149

65C/537/CDV – 2 – 61918/Ed.2 © IEC:2010 (E)
Annex L (informative) Communication network installation work responsibility .150
L.1 Introduction .150
L.2 Installation work responsibility.150
L.3 Installation work responsibility table .150
Annex M (informative) Trade names of communication profiles .151
Annex N (informative) Validation measurements .153
N.1 General .153
N.2 DCR measurements .153
N.2.1 Purpose of test.153
N.2.2 Assumptions.153
N.2.3 Measurements.153
N.2.4 Calculations .155
N.2.4.1 Calculated DCR values for wires and shield .155
N.2.4.2 Derived DCR values for wires and shield .155
N.2.5 Measurement results .155
N.2.5.1 Validation of the cable DCR.155
N.2.5.2 Conclusions for cable open or shorts .156
N.2.5.3 Determination of proper cable terminator value.157
Bibliography.159

Figure 1 – Industrial network installation life cycle .13
Figure 2 – Standards relationships.14
Figure 3 – Structure of generic cabling connected to an automation island .28
Figure 4 – Automation island cabling attached to elements of generic cabling.29
Figure 5 – Automation islands.29
Figure 6 – Automation island network external connections .30
Figure 7 – How to meet environmental conditions. .33
Figure 8 – How enhancement, isolation and separation work together .34
Figure 9 – Basic physical topologies for passive networks .35
Figure 10 – Basic physical topologies for active networks .35
Figure 11 – Example of combination of basic topologies .35
Figure 12 – Basic reference implementation model .45
Figure 13 – Enhanced reference implementation model .47
Figure 14 – Selection of the earthing and bonding systems.53
Figure 15 – Wiring for bonding and earthing in a mesh equipotential configuration .55
Figure 16 – Wiring of the earths in a star earth configuration .56
Figure 17 – Schematic diagram of a field device with direct earthing.57
Figure 18 – Schematic diagram of a field device with parallel RC circuit earthing.57
Figure 19 – Insert edge protector .65
Figure 20 – Use an uncoiling device and avoid forming loop .65
Figure 21 – Avoid torsion .66
Figure 22 – Maintain minimum bending radius .66
Figure 23 – Do not pull by the individual wires .67
Figure 24 – Use cable clamps with a large (wide) surface.67
Figure 25 – Cable gland with bending protection.67

61918 © IEC:2010 (E) – 159 – 65C/537/CDV
Figure 26 – Spiral tube .68
Figure 27 – Separate cable pathways .70
Figure 28 – Use of flexible bonding straps at movable metallic pathways.74
Figure 29 – Surface preparation for electromechanical earth and bonding connections.74
Figure 30 – Example of isolated bus bar .76
Figure 31 – Example of isolator for mounting DIN rails.76
Figure 32 – Parallel RC shield earthing.76
Figure 33 – Direct shield earthing .77
Figure 34 – Examples for shielding application .77
Figure 35 – First example of derivatives of shield earthing.78
Figure 36 – Second example of derivatives of shield earthing .78
Figure 37 – Installation verification process .80
Figure 38 – Test of earthing connections .81
Figure 39 – 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.84
Figure 40 – Two pair 8-way modular connector .84
Figure 41 – Transposed pairs, split pairs and reversed pair .84
Figure 42 – Validation process.86
Figure 43 – Schematic representation of the channel.87
Figure 44 – Schematic representation of the permanent link .87
Figure 45 – Communication network maintenance .95
Figure 46 – Troubleshooting procedure.100
Figure 47 – Fault detection without special tools.101
Figure B.1 – MICE classifications.103
Figure B.2 – Example MICE classifications within a facility .104
Figure B.3 – Enhancement, isolation and separation.104
Figure B.4 – Example 1 of mitigation.105
Figure B.5 – Example 2 of mitigation.106
Figure B.6 – Frequency range of electromagnetic disturbance from common industrial
devices .106
Figure B.7 – Example of a general guidance for separation versus EFT value .108
Figure E.1 – Four-wire power network (TN-C) .126
Figure E.2 – Five wire power network (TN-S).127
Figure H.1 – Straight through cord sets with M12-4 D-coding connectors.133
Figure H.2 – Straight through cord sets with 8-way modular connectors, 8 poles .134
Figure H.3 – Straight through cord sets with 8-way modular connectors, 4 poles .135
Figure I.1 – Stripping the cable jacket.138
Figure I.2 – Example of wire preparation for type A cables.139
Figure I.3 – 8-way modular plug.139
Figure I.4 – Inserting the cable into the connector body .140
Figure I.5 – Crimping the connector .140
Figure I.6 – Example of a cable preparation for type A wiring.141
Figure I.7 – Connector components .142
Figure I.8 – Cable preparation .142

65C/537/CDV – 2 – 61918/Ed.2 © IEC:2010 (E)
Figure I.9 – Connector wire gland, nut and shell on the cable .142
Figure I.10 – Conductors preparation.142
Figure I.11 – Jacket removal.142
Figure I.12 – Shield preparation.143
Figure I.13 – Conductors preparation.143
Figure I.14 – Installing conductors in connector .143
Figure I.15 – Assembling the body of the connector.143
Figure I.16 – Final assembling .144
Figure N.1 – Loop resistance measurement wire to wire .153
Figure N.2 – Loop resistance measurement wire 1 to shield.154
Figure N.3 – Loop resistance measurement wire 2 to shield.154
Figure N.4 – Resistance measurement for detecting wire shorts .154
Figure N.5 – Resistance measurement between wire 1 and wire 2 .155
Figure N.6 – Validation of the cable DCR.156
Figure N.7 – Conclusions for cable open or shorts .157
Figure N.8 – Determination of proper cable terminator value.158

Table 1 – Basic network characteristics for balanced cabling not based on Ethernet.36
Table 2 – Network characteristics for balanced cabling based on Ethernet .37
Table 3 – Network characteristics for optical fibre cabling.38
Table 4 – Information relevant to copper cable: fixed cables .40
Table 5 – Information relevant to copper cable: cords .40
Table 6 – Information relevant to optical fibre cables .41
Table 7 – Connectors for balance
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