BS EN 61918:2008:2010 Edition

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Industrial communication networks. Installation of communication networks in industrial premises

Published By	Publication Date	Number of Pages
BSI	2010	158

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Categories: 33.180.01 - Fibre optic systems in general, BSI

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Description

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 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 (topologies, climatic conditions, vibrations, chemical pollution, EMC, functional safety, security, etc.).

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.

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PDF Pages	PDF Title
10	CONTENTS
18	INTRODUCTION
19	Figures Figure 1 – Industrial network installation life cycle
20	Figure 2 – Standards relationships
21	1 Scope 2 Normative references
24	3 Terms, definitions, and abbreviated terms 3.1 Terms and definitions
32	3.2 Abbreviated terms
33	3.3 Conventions for installation profiles 4 Installation planning 4.1 Introduction
34	Figure 3 – Structure of generic cabling connected to an automation island Figure 4 – Automation island cabling attached to elements of generic cabling
35	Figure 5 – Automation islands Figure 6 – Automation island network external connections
37	4.2 Planning requirements
39	4.3 Network capabilities Figure 7 – How to meet environmental conditions. Figure 8 – How enhancement, isolation and separation work together
40	Figure 9 – Basic physical topologies for passive networks Figure 10 – Basic physical topologies for active networks
41	Figure 11 – Example of combination of basic topologies Tables Table 1 – Basic network characteristics for balanced cabling not based on Ethernet
42	Table 2 – Network characteristics for balanced cabling based on Ethernet
43	Table 3 – Network characteristics for optical fibre cabling
44	4.4 Selection and use of cabling components
45	Table 4 – Information relevant to copper cable: fixed cables Table 5 – Information relevant to copper cable: cords
46	Table 6 – Information relevant to optical fibre cables
48	Table 7 – Connectors for balanced cabling CPs based on Ethernet Table 8 – Connectors for copper cabling CPs not based on Ethernet
49	Table 9 – Optical fibre connecting hardware
50	Figure 12 – Basic reference implementation model Table 10 – Basic reference implementation equations
51	Figure 13 – Enhanced reference implementation model
52	Table 11 – Enhanced reference implementation equations Table 12 – Correction factor Z for operating temperature above 20°C
57	Table 13 – Equalisation and earthing conductor sizing and length
58	Figure 14 – Selection of the earthing and bonding systems
59	Table 14 – Bonding straps cross-section Table 15 – Bonding plates surface protection
60	Figure 15 – Wiring for bonding and earthing in a mesh equipotential configuration
61	Figure 16 – Wiring of the earths in a star earth configuration
62	Figure 17 – Schematic diagram of a field device with direct earthing Figure 18 – Schematic diagram of a field device with parallel RC circuit earthing
66	Table 16 – Cable circuit types and minimum distances
67	4.5 Cabling planning documentation
68	4.6 Verification of cabling planning specification 5 Installation implementation 5.1 General requirements 5.2 Cable installation
69	Table 17 – Parameters for balanced cables Table 18 – Parameters for silica optical fibre cables Table 19 – Parameters for POF optical fibre cables Table 20 – Parameters for hard cladded silica optical fibre cables
70	Figure 19 – Insert edge protector Figure 20 – Use an uncoiling device and avoid forming loop
71	Figure 21 – Avoid torsion Figure 22 – Maintain minimum bending radius
72	Figure 23 – Do not pull by the individual wires Figure 24 – Use cable clamps with a large (wide) surface Figure 25 – Cable gland with bending protection
73	Figure 26 – Spiral tube
75	Figure 27 – Separate cable pathways
76	5.3 Connector installation
77	5.4 Terminator installation 5.5 Device installation
78	5.6 Coding and labelling 5.7 Earthing and bonding of equipment and devices and shield cabling
79	Figure 28 – Surface preparation for electromechanical earth and bonding connections Figure 29 – Use of flexible bonding straps at movable metallic pathways
80	Figure 30 – Example of isolated bus bar Figure 31 – Example of isolator for mounting DIN rails
81	Figure 32 – Parallel RC shield earthing
82	Figure 33 – Direct shield earthing Figure 34 – Examples for shielding application
83	5.8 As-implemented cabling documentation Figure 35 – First example of derivatives of shield earthing Figure 36 – Second example of derivatives of shield earthing
84	6 Installation verification and installation acceptance test 6.1 Introduction 6.2 Installation verification
85	Figure 37 – Installation verification process
86	Figure 38 – Test of earthing connections
89	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 Figure 40 – Two pair 8-way modular connector Figure 41 – Transposed pairs, split pairs and reversed pair
90	6.3 Installation acceptance test
91	Figure 42 – Validation process
92	Figure 43 – Schematic representation of the channel Figure 44 – Schematic representation of the permanent link
95	7 Installation administration 7.1 General 7.2 Fields covered by the administration
96	7.3 Basic principles for the administration system 7.4 Working procedures 7.5 Device location labelling
97	7.6 Component cabling labelling 7.7 Documentation
98	7.8 Specific requirements for administration 8 Installation maintenance and installation troubleshooting 8.1 General
99	8.2 Maintenance
100	Figure 45 – Communication network maintenance
101	8.3 Troubleshooting
102	Table 21 – Typical problems in a network with balanced cabling
103	Table 22 – Typical problems in a network with fibre optic cabling
105	Figure 46 – Troubleshooting procedure
106	8.4 Specific requirements for maintenance and troubleshooting Figure 47 – Fault detection without special tools Further procedure
107	Annex A (informative) Introduction to generic cabling for industrial premises
108	Annex B (informative) MICE description methodology Figure B.1 – MICE classifications
109	Figure B.2 – Example MICE areas within a facility Figure B.3 – Enhancement, isolation and separation
110	Figure B.4 – Example 1 of mitigation Table B.1 – Example 1 of targeted MICE area Table B.2 – Example 2 of targeted MICE area
111	Figure B.5 – Example 2 of mitigation Figure B.6 – Frequency range of electromagnetic disturbance from common industrial devices
112	Table B.3 – Relationship between electromagnetic disturbance generating devices and “E” classification Table B.4 – Coupling mechanism for each of the interfering devices
113	Figure B.7 – Example of a general guidance for separation versus EFT value
114	Table B.5 – MICE definition
116	Annex C (informative) Network topologies
118	Annex D (informative) Connector table Table D.1 – Conventions for colour code used in the connector table
119	Table D.2 – Connector table
123	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)
124	Figure E.2 – Five wire power network (TN-S)
125	Annex F (informative) Conversion table mm2 to AWG Table F.1 – Approximate conversion table for commonly used wire gauge
126	Annex G (informative) Installed cabling verification checklists Table G.1 – Copper cabling verification checklist
127	Table G.2 – Earthing and bonding measurements checklist Table G.3 – Signatures for Table G.1 and Table G.2 checklists
128	Table G.4 – Checklist for special checks for non-Ethernet-based CPs Table G.5 – Signatures for Table G.4 checklist
129	Table G.6 – Optical fibre cabling verification checklist Table G.7 – Signatures for Table G.6 checklist
130	Annex H (informative) Connector/cable pinning Figure H.1 – M12-4 D-straight through cord set Table H.1 – M12-4 D-coding pin/pair assignment
131	Figure H.2 – M12-4 crossover cable Figure H.3 – Straight through cord set wiring Table H.2 – M12 to M12 crossover pin/pair assignment
132	Figure H.4 – 8-way modular full crossover cable Table H.3 – 8-way modular connector pin/pair assignment Table H.4 – 8-way modular crossover pin/pair assignment
133	Figure H.5 – Conversion from M12-4 to 8-way modular connector Figure H.6 – M12-4 to 8-way modular connector crossover cable Table H.5 – Connectivity pin assignment Table H.6 – M12 to 8-way modular crossover pin pair assignment
134	Annex I (informative) Guidance for terminating cable ends Figure I.1 – Stripping the cable jacket
135	Figure I.2 – Example of wire preparation for type A cables Figure I.3 – 8-way modular plug
136	Figure I.4 – Inserting the cable into the connector body Figure I.5 – Crimping the connector
137	Figure I.6 – Example of a cable preparation for type A wiring
138	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 Figure I.11 – Jacket removal
139	Figure I.12 – Shield preparation Figure I.13 – Conductors preparation Figure I.14 – Installing conductors in connector Figure I.15 – Assembling the body of the connector
140	Figure I.16 – Final assembling
141	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
142	Annex K (informative) Fieldbus data transfer testing
146	Annex L (informative) Communication network installation work responsibility
147	Annex M (informative) Trade names of communication profiles Table M.1 – Trade names of CPFs and CPs
149	Annex N (informative) Validation measurements
150	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
151	Figure N.5 – Resistance measurement between wire 1 and wire 2
152	Figure N.6 – Validation of the cable DCR
153	Figure N.7 – Conclusions for cable open or shorts
154	Figure N.8 – Determination of proper cable terminator value
155	Bibliography

Additional information

Status	Withdrawn
Title	Industrial communication networks. Installation of communication networks in industrial premises
Publisher	BSI
Committee	GEL/65/3
Pages	158
Publication Date	2010-03-31
Withdrawn Date	2014-09-30
Replaced By	BS EN 61918:2013
ISBN	978 0 580 54325 8
Standard Number	BS EN 61918:2008
Identical National Standard Of	IEC 61918:2007, IEC 61918:2007/COR1:2009, EN 50290-2-24:2002, EN 61918:2008
Descriptors	Industrial facilities, Telecommunication systems, Installation, Fibre optic cables, Process control, Automatic control systems, Electrical installations, Electric connectors, Documents, Interfaces (data processing), Data processing, Industrial, Computer networks, Communication networks, Approval testing, Electric cables, Telecommunication, Planning, Data transmission, Communication cables, Verification, Fibre optic connectors, Fieldbus
ICS Codes	33.180.01 - Fibre optic systems in general

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