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BS EN 61918:2013:2014 Edition

BS EN 61918:2013:2014 Edition

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Industrial communication networks. Installation of communication networks in industrial premises

Published By Publication Date Number of Pages
BSI 2014 184
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This International Standard 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 standard is a companion standard to the communication networks of the industrial automation islands and especially to the communication networks specified in the IEC 61158 series and the IEC 61784 series. In addition, this standard covers:

  • the installation of generic telecommunication cabling for industrial premises as specified in ISO/IEC 24702;

  • the connection between the generic telecommunications cabling specified in ISO/IEC 24702 and the specific communication cabling of an automation island, where an automation outlet (AO) replaces the telecommunication outlet (TO) of ISO/IEC 24702.

NOTE If the interface used at the AO does not conform to that specified for the TO of ISO/IEC 24702, the cabling no longer conforms to ISO/IEC 24702 although certain features, including performance, of generic cabling may be retained.

This standard provides guidelines that cope with the critical aspects of the industrial automation area (safety, security and environmental aspects such as mechanical, liquid, particulate, climatic, chemicals and electromagnetic interference).

This standard does not recognise implementations of power distribution through Ethernet balanced cabling systems that are not specified in IEEE 802.3 and in IEEE 802.3at.

This standard deals with the roles of planner, installer, verifier, and acceptance test personnel, administration and maintenance personnel and specifies the relevant responsibilities and/or gives guidance.

PDF Catalog

PDF Pages PDF Title
4 Foreword
5 Endorsement notice
COMMON MODIFICATIONS
Figure 2 – Network installation: Standards relationships at European level
11 English
CONTENTS
19 INTRODUCTION
20 Figures
Figure 1 – Industrial network installation life cycle
21 Figure 2 – Standards relationships
22 1 Scope
2 Normative references
25 3 Terms, definitions, and abbreviated terms
3.1 Terms and definitions
35 3.2 Abbreviated terms
37 3.3 Conventions for installation profiles
4 Installation planning
4.1 General
4.1.1 Objective
4.1.2 Cabling in industrial premises
38 Figure 3 – Structure of generic cabling connected to an automation island
Figure 4 – Automation island cabling attached to elements of generic cabling
39 Figure 5 – Automation islands
Figure 6 – Automation island network external connections
40 4.1.3 The planning process
41 4.1.4 Specific requirements for CPs
4.1.5 Specific requirements for generic cabling in accordance with ISO/IEC 24702
4.2 Planning requirements
4.2.1 Safety
4.2.2 Security
42 4.2.3 Environmental considerations and EMC
43 4.2.4 Specific requirements for generic cabling in accordance with ISO/IEC 24702
4.3 Network capabilities
4.3.1 Network topology
Figure 7 – How to meet environmental conditions
Figure 8 – How enhancement, isolation and separation work together
44 Figure 9 – Basic physical topologies for passive networks
Figure 10 – Basic physical topologies for active networks
45 4.3.2 Network characteristics
Figure 11 – Example of combination of basic topologies
46 Tables
Table 1 – Basic network characteristics for balanced cabling not based on Ethernet
47 Table 2 – Network characteristics for balanced cabling based on Ethernet
48 Table 3 – Network characteristics for optical fibre cabling
49 4.4 Selection and use of cabling components
4.4.1 Cable selection
50 Table 4 – Information relevant to copper cable: fixed cables
51 Table 5 – Information relevant to copper cable: cords
52 Table 6 – Information relevant to optical fibre cables
53 4.4.2 Connecting hardware selection
54 Table 7 – Connectors for balanced cabling CPs based on Ethernet
Table 8 – Connectors for copper cabling CPs not based on Ethernet
Table 9 – Optical fibre connecting hardware
55 4.4.3 Connections within a channel/permanent link
Table 10 – Relationship between FOC and fibre types (CP x/y)
56 Figure 12 – Basic reference implementation model
57 Table 11 – Basic reference implementation formulas
58 Figure 13 – Enhanced reference implementation model
Table 12 – Enhanced reference implementation formulas
59 Table 13 – Correction factor Z for operating temperature above 20 °C
61 4.4.4 Terminators
62 4.4.5 Device location and connection
4.4.6 Coding and labelling
4.4.7 Earthing and bonding of equipment and devices and shielded cabling
64 Table 14 – Equalisation and earthing conductor sizing and length
65 Figure 14 – Selection of the earthing and bonding systems
66 Table 15 – Bonding straps cross-section
Table 16 – Bonding plates surface protection
67 Figure 15 – Wiring for bonding and earthing in an equipotential configuration
68 Figure 16 – Wiring of the earths in a star earthing configuration
69 Figure 17 – Schematic diagram of a field device with direct earthing
70 Figure 18 – Schematic diagram of a field device with parallel RC circuit earthing
72 4.4.8 Storage and transportation of cables
4.4.9 Routing of cables
74 4.4.10 Separation of circuits
75 4.4.11 Mechanical protection of cabling components
Table 17 – Cable circuit types and minimum distances
76 4.4.12 Installation in special areas
4.5 Cabling planning documentation
4.5.1 Common description
4.5.2 Cabling planning documentation for CPs
77 4.5.3 Network certification documentation
4.5.4 Cabling planning documentation for generic cabling in accordance with ISO/IEC 24702
4.6 Verification of cabling planning specification
5 Installation implementation
5.1 General requirements
5.1.1 Common description
5.1.2 Installation of CPs
5.1.3 Installation of generic cabling in industrial premises
5.2 Cable installation
5.2.1 General requirements for all cabling types
78 Table 18 – Parameters for balanced cables
Table 19 – Parameters for silica optical fibre cables
Table 20 – Parameters for POF optical fibre cables
79 Figure 19 – Insert edge protector
Table 21 – Parameters for hard clad silica optical fibre cables
80 Figure 20 – Use an uncoiling device and avoid forming loop
Figure 21 – Avoid torsion
81 Figure 22 – Maintain minimum bending radius
Figure 23 – Do not pull by the individual wires
Figure 24 – Use cable clamps with a large (wide) surface
82 Figure 25 – Cable gland with bending protection
Figure 26 – Spiral tube
84 5.2.2 Installation and routing
85 5.2.3 Specific requirements for CPs
5.2.4 Specific requirements for wireless installation
5.2.5 Specific requirements for generic cabling in accordance with ISO/IEC 24702
5.3 Connector installation
5.3.1 Common description
Figure 27 – Separate cable pathways
86 5.3.2 Shielded connectors
5.3.3 Unshielded connectors
5.3.4 Specific requirements for CPs
5.3.5 Specific requirements for wireless installation
5.3.6 Specific requirements for generic cabling in accordance with ISO/IEC 24702
5.4 Terminator installation
5.4.1 Common description
87 5.4.2 Specific requirements for CPs
5.5 Device installation
5.5.1 Common description
5.5.2 Specific requirements for CPs
5.6 Coding and labelling
5.6.1 Common description
5.6.2 Specific requirements for CPs
5.7 Earthing and bonding of equipment and devices and shield cabling
5.7.1 Common description
88 5.7.2 Bonding and earthing of enclosures and pathways
Figure 28 – Use of flexible bonding straps at movable metallic pathways
89 5.7.3 Earthing methods
Figure 29 – Surface preparation for earthing and bonding electromechanical connections
90 Figure 30 – Example of isolated bus bar
91 5.7.4 Shield earthing methods
Figure 31 – Example of isolator for mounting DIN rails
Figure 32 – Parallel RC shield earthing
92 Figure 33 – Direct shield earthing
Figure 34 – Examples for shielding application
93 5.7.5 Specific requirements for CPs
5.7.6 Specific requirements for generic cabling in accordance with ISO/IEC 24702
5.8 As-implemented cabling documentation
Figure 35 – Voltage offset mitigation
Figure 36 – First example of derivatives of shield earthing
Figure 37 – Second example of derivatives of shield earthing
94 6 Installation verification and installation acceptance test
6.1 General
6.2 Installation verification
6.2.1 General
95 6.2.2 Verification according to cabling planning documentation
Figure 38 – Installation verification process
96 6.2.3 Verification of earthing and bonding
Figure 39 – Test of earthing connections
97 6.2.4 Verification of shield earthing
6.2.5 Verification of cabling system
6.2.6 Cable selection verification
98 6.2.7 Connector verification
6.2.8 Connection verification
99 6.2.9 Terminators verification
Figure 40 – 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
Figure 41 – Two pair 8-way modular connector
Figure 42 – Transposed pairs, split pairs and reversed pair
100 6.2.10 Coding and labelling verification
6.2.11 Verification report
6.3 Installation acceptance test
6.3.1 General
101 Figure 43 – Validation process
102 6.3.2 Acceptance test of Ethernet-based cabling
Figure 44 – Schematic representation of the channel
Figure 45 – Schematic representation of the permanent link
104 6.3.3 Acceptance test of non-Ethernet-based cabling
105 6.3.5 Acceptance test report
7 Installation administration
7.1 General
106 7.2 Fields covered by the administration
7.3 Basic principles for the administration system
7.4 Working procedures
107 7.5 Device location labelling
7.6 Component cabling labelling
108 7.7 Documentation
7.8 Specific requirements for administration
8 Installation maintenance and installation troubleshooting
8.1 General
109 8.2 Maintenance
8.2.1 Scheduled maintenance
110 Figure 46 – Communication network maintenance
111 8.2.2 Condition-based maintenance
8.2.3 Corrective maintenance
8.3 Troubleshooting
8.3.1 General description
112 8.3.2 Evaluation of the problem
8.3.3 Typical problems
113 Table 22 – Typical problems in a network with balanced cabling
114 Table 23 – Typical problems in a network with optical fibre cabling
115 8.3.4 Troubleshooting procedure
Figure 47 – Troubleshooting procedure
116 8.3.5 Simplified troubleshooting procedure
Figure 48 – Fault detection without special tools
117 8.4 Specific requirements for maintenance and troubleshooting
118 Annex A (informative) Overview of generic cabling for industrial premises
119 Annex B (informative) MICE description methodology
Figure B.1 – MICE classifications
120 Figure B.2 – Example MICE classifications within a facility
Figure B.3 – Enhancement, isolation and separation
121 Figure B.4 – Example 1 of mitigation
Table B.2 – Example 2 of targeted MICE area
Table B.1 – Example 1 of targeted MICE area
122 Figure B.5 – Example 2 of mitigation
Figure B.6 – Frequency range of electromagnetic disturbance from common industrial devices
123 Table B.3 – Relationship between electromagnetic disturbance-generating devices and “E” classification
124 Figure B.7 – Example of a general guidance for separation versus EFT value
Table B.4 – Coupling mechanism for some interfering devices
125 Table B.5 – MICE definition
127 Annex C (informative) Network topologies
129 Annex D (informative) Connector tables
Table D.1 – Conventions for colour code used in the connector table
130 Table D.2 – Pair numbers and colour scheme
131 Table D.3 – 8-way modular connector
132 Table D.4 – M12-4 A-coding connector
133 Table D.5 – M12-4 D-coding connector
134 Table D.6 – M12-5 A-coding connector
135 Table D.7 – M12-5 B-coding connector
136 Table D.8 – SubD connector
137 Table D.9 – 7/8-16 UN-2B THD / M18 connector
138 Table D.10 – Open style connector
139 Table D.11 – M12-8 X-coding connector
140 Table D.12 – BNC connector
141 Table D.13 – TNC connector
142 Annex E (informative) Power networks with respect to electromagnetic interference –TN-C and TN-S approaches
Figure E.1 – Four-wire power network (TN-C)
143 Figure E.2 – Five wire power network (TN-S)
144 Annex F (informative) Conductor sizes in electrical cables
Table F.1 – American wire gauge system and kcmil
146 Annex G (informative) Installed cabling verification checklists
Table G.1 – Copper cabling verification checklist
148 Table G.2 – Earthing and bonding measurements checklist
Table G.3 – Signatures for Table G.1 and Table G.2 checklists
149 Table G.4 – Checklist for special checks for non-Ethernet base CPs
Table G.5 – Signatures for Table G.4 checklist
150 Table G.6 – Optical fibre cabling verification checklist
Table G.7 – Signatures for Table G.6 checklist
151 Annex H (normative) Cord sets
Figure H.1 – Straight through cord sets with M12-4 D-coding connectors
152 Figure H.2 – Straight through cord sets with 8-way modular connectors, 8 poles
Table H.1 – M12-4 D-coding pin/pair assignment
Table H.2 – M12-4 D-coding to M12-4 D-coding crossover pin/pair assignment
153 Figure H.3 – Straight through cord sets with 8-way modular connectors, 4 poles
Table H.3 – 8-way modular pin/pair assignment
154 Table H.4 – 8-way modular crossover pin/pair assignment
Table H.5 – Connectivity pin assignment
155 Table H.6 – M12 to 8-way modular crossover pin pair assignment
156 Annex I (informative) Guidance for terminating cable ends
Figure I.1 – Stripping the cable jacket
157 Figure I.2 – Example of wire preparation for type A cables
Figure I.3 – 8-way modular plug
158 Figure I.4 – Inserting the cable into the connector body
Figure I.5 – Crimping the connector
159 Figure I.6 – Example of a cable preparation for type A wiring
160 Figure I.7 – Connector components
Figure I.8 – Cable preparation
Figure I.9 – Connector wire gland, nut and shell on the cable
Figure I.10 – Conductors preparation
161 Figure I.11 – Jacket removal
Figure I.12 – Shield preparation
Figure I.13 – Conductors preparation
Figure I.14 – Installing conductors in connector
162 Figure I.15 – Assembling the body of the connector
Figure I.16 – Final assembling
163 Annex J (informative) Recommendations for bulkhead connection performance and channel performance with more than 4 connections in the channel
Table J.1 – Transmission requirements for more than 4 connections in a channel
164 Annex K (informative) Fieldbus data transfer testing
168 Annex L (informative) Communication network installation work responsibility
169 Annex M (informative) Trade names of communication profiles
170 Table M.1 – Trade names of CPFs and CPs
172 Annex N (informative) Validation measurements
173 Figure N.1 – Loop resistance measurement wire to wire
Figure N.2 – Loop resistance measurement wire 1 to shield
Figure N.3 – Loop resistance measurement wire 2 to shield
Figure N.4 – Resistance measurement for detecting wire shorts
174 Figure N.5 – Resistance measurement between wire 1 and wire 2
175 Figure N.6 – Validation of the cable DCR
176 Figure N.7 – Conclusions for cable open or shorts
177 Figure N.8 – Determination of proper cable terminator value
178 Annex O (informative) End-to-end link
Figure O.1 – Channel according to ISO/IEC 11801
179 Figure O.2 – End-to-end link
181 Bibliography

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BS EN 61918:2013
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