IEC 61158-2:2007
(Main)Industrial communication networks - Fieldbus specifications - Part 2: Physical layer specification and service definition
Industrial communication networks - Fieldbus specifications - Part 2: Physical layer specification and service definition
IEC 61158-2:2007 specifies the requirements for fieldbus component parts. It also specifies the media and network configuration requirements necessary to ensure agreed levels of data integrity before data-link Layer error checking; interoperability between devices at the physical layer. This fourth edition cancels and replaces IEC 61158-2:2003. This edition of this part constitutes a minor revision. This publication, together with its companion parts for Type 16, also partially replaces IEC 61491:2002 which is at present being revised. IEC 61491 will be issued as a technical report. This edition includes the following significant technical changes with respect to the previous edition:
- deletion of the former Type 6 fieldbus for lack of market relevance;
- addition of new fieldbus types;
- generalization of the seldom-used Type 1 radio to a more useful form. This bilingual version (2014-04) corresponds to the monolingual English version, published in 2007-12.
Réseaux de communications industriels - Spécifications des bus de terrain - Partie 2: Spécification de couche physique et définition des services
L'IEC 61158-2:2007 spécifie les exigences applicables aux composants de bus de terrain. Elle spécifie également les exigences de configuration des supports et des réseaux requises pour garantir les niveaux convenus:
- d'intégrité des données avant vérification d'erreur de la couche de liaison de données;
- interopérabilité entre dispositifs au niveau de la couche physique. Cette quatrième édition annule et remplace la CEI 61158-2:2003. L'édition de la présente partie en constitue une révision mineure. Cette publication, associée à ses parties correspondantes pour le Type 16, remplace également en partie la CEI 61491:2002 qui est actuellement en cours de révision. La CEI 61491 sera publiée en tant que rapport technique. Cette édition inclut les modifications suivantes:
- suppression de l'ancien bus de terrain de Type 6 du fait de son manque de pertinence pour le marché;
- ajout de nouveaux types de bus de terrain;
- généralisation du Type 1 support radioélectrique rarement utilisé, sous une forme plus utile. La présente version bilingue (2014-04) correspond à la version anglaise monolingue publiée en 2007-12.
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IEC 61158-2
Edition 4.0 2007-12
INTERNATIONAL
STANDARD
Industrial communication networks – Fieldbus specifications –
Part 2: Physical layer specification and service definition
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
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IEC 61158-2
Edition 4.0 2007-12
INTERNATIONAL
STANDARD
Industrial communication networks – Fieldbus specifications –
Part 2: Physical layer specification and service definition
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
XH
ICS 25.040; 35.100; 35.240.50 ISBN 2-8318-9447-6
– 2 – 61158-2 © IEC:2007(E)
CONTENTS
FOREWORD.19
0 Introduction .21
0.1 General .21
0.2 Physical layer overview .21
0.3 Document overview .21
0.4 Major physical layer variations specified in this standard.22
1 Scope.25
2 Normative references .25
3 Terms and definitions .28
3.1 Common terms and definitions .28
3.2 Type 1: Terms and definitions .32
3.3 Type 2: Terms and definitions .35
3.4 Type 3: Terms and definitions .38
3.5 Type 4: Terms and definitions .41
3.6 Type 6: This subclause has been removed .42
3.7 Type 8: Terms and definitions .42
3.8 Type 12: Terms and definitions .45
3.9 Type 16: Terms and definitions .46
3.10 Type 18: Terms and definitions .49
4 Symbols and abbreviations.51
4.1 Symbols .51
4.2 Abbreviations .55
5 DLL – PhL interface.62
5.1 General .62
5.2 Type 1: Required services .62
5.3 Type 2: Required services .64
5.4 Type 3: Required services .67
5.5 Type 4: Required services .68
5.6 Type 6: This subclause has been removed .70
5.7 Type 8: Required services .70
5.8 Type 12: Required services .78
5.9 Type 16: Required services .80
5.10 Type 18: Required services .81
6 Systems management – PhL interface.83
6.1 General .83
6.2 Type 1: Systems management – PhL interface .83
6.3 Type 3: Systems management – PhL interface .85
6.4 Type 4: Systems management – PhL interface .91
6.5 Type 6: This subclause has been removed .91
6.6 Type 8: Systems management – PhL interface .91
6.7 Type 12: Systems management – PhL interface .96
6.8 Type 18: Systems management – PhL interface .96
7 DCE independent sublayer (DIS) .97
7.1 General .97
7.2 Type 1: DIS .97
7.3 Type 3: DIS .97
61158-2 © IEC:2007(E) – 3 –
7.4 Type 6: This subclause has been removed .97
7.5 Type 8: DIS .98
7.6 Type 12: DIS .99
8 DTE – DCE interface and MIS-specific functions .99
8.1 General .99
8.2 Type 1: DTE – DCE interface .100
8.3 Type 3: DTE – DCE interface .110
8.4 Type 8: MIS – MDS interface.111
8.5 Type 12: DTE – DCE interface .120
9 Medium dependent sublayer (MDS) .120
9.1 General .120
9.2 Type 1: MDS: Wire and optical media. 120
9.3 Type 1: MDS: Radio media.123
9.4 Type 2: MDS: Wire and optical media. 123
9.5 Type 3: MDS: Wire and optical media. 125
9.6 Type 4: MDS: Wire medium .125
9.7 Type 6: This subclause has been removed .130
9.8 Type 8: MDS: Wire and optical media. 130
9.9 Type 12: MDS: Wire media.137
9.10 Type 16: MDS: Optical media .139
9.11 Type 18: MDS: Wire media.140
10 MDS — MAU interface.141
10.1 General .141
10.2 Type 1: MDS – MAU interface: Wire and optical media. 141
10.3 Type 1: MDS – MAU interface: Radio signaling .143
10.4 Type 2: MDS – MAU interface: Wire and optical media. 143
10.5 Type 3: MDS – MAU interface: Wire and optical media. 145
10.6 Type 8: MDS – MAU interface: Wire and optical media. 145
10.7 Type 18: MDS – MAU interface: Wire media .147
11 Types 1 and 7: Medium attachment unit: voltage mode, linear-bus-topology 150 Ω
twisted-pair wire medium .149
11.1 General .149
11.2 Bit-rate-dependent quantities .149
11.3 Network specifications. 150
11.4 MAU transmit circuit specification.152
11.5 MAU receive circuit specification .156
11.6 Jabber inhibit .158
11.7 Power distribution.158
11.8 Medium specifications .161
12 Types 1 and 3: Medium attachment unit: 31,25 kbit/s, voltage-mode with low-power
option, bus- and tree-topology, 100 Ω wire medium .164
12.1 General .164
12.2 Transmitted bit rate .164
12.3 Network specifications. 164
12.4 MAU transmit circuit specification.167
12.5 MAU receive circuit specification .170
12.6 Jabber inhibit .171
12.7 Power distribution.171
12.8 Medium specifications .177
– 4 – 61158-2 © IEC:2007(E)
12.9 Intrinsic safety.180
12.10 Galvanic isolators.181
13 Type 1: Medium attachment unit: current mode, twisted-pair wire medium. 181
13.1 General .181
13.2 Transmitted bit rate .181
13.3 Network specifications. 181
13.4 MAU transmit circuit specification.183
13.5 MAU receive circuit specification .185
13.6 Jabber inhibit .187
13.7 Power distribution.188
13.8 Medium specifications .189
14 Type 1: Medium attachment unit: current mode (1 A), twisted-pair wire medium .191
14.1 General .191
14.2 Transmitted bit rate .191
14.3 Network specifications. 191
14.4 MAU transmit circuit specification.193
14.5 MAU receive circuit specification .195
14.6 Jabber inhibit .196
14.7 Power distribution.196
14.8 Medium specifications .198
15 Types 1 and 7: Medium attachment unit: dual-fiber optical media . 199
15.1 General .199
15.2 Bit-rate-dependent quantities .199
15.3 Network specifications. 200
15.4 MAU transmit circuit specifications .201
15.5 MAU receive circuit specifications .202
15.6 Jabber inhibit .203
15.7 Medium specifications .204
16 Type 1: Medium attachment unit: 31,25 kbit/s, single-fiber optical medium . 206
16.1 General .206
16.2 Transmitted bit rate .206
16.3 Network specifications. 206
16.4 MAU transmit circuit specifications .206
16.5 MAU receive circuit specifications .207
16.6 Jabber inhibit .207
16.7 Medium specifications .208
17 Type 1: Medium attachment unit: radio signaling .210
17.1 General .210
17.2 Transmit signaling rate .210
17.3 Modulation .210
17.4 Network specification .212
17.5 Antennas.216
17.6 Jabber inhibit .216
17.7 Common air interface .217
18 Type 2: Medium attachment unit: 5 Mbit/s, voltage-mode, coaxial wire medium .221
18.1 General .221
18.2 Transceiver: 5 Mbit/s, voltage-mode, coaxial wire. 221
18.3 Transformer 5 Mbit/s, voltage-mode, coaxial wire. 226
61158-2 © IEC:2007(E) – 5 –
18.4 Connector 5 Mbit/s, voltage-mode, coaxial wire medium. 227
18.5 Topology 5 Mbit/s, voltage-mode, coaxial wire medium . 227
18.6 Taps 5 Mbit/s, voltage-mode, coaxial wire medium . 229
18.7 Trunk 5 Mbit/s, voltage-mode, coaxial wire medium. 231
19 Type 2: Medium attachment unit: 5 Mbit/s, optical medium . 232
19.1 General .232
19.2 Transceiver 5 Mbit/s, optical medium.232
19.3 Topology 5 Mbit/s, optical medium .233
19.4 Trunk fiber 5 Mbit/s, optical medium .233
19.5 Trunk connectors 5 Mbit/s, optical medium .234
19.6 Fiber specifications 5 Mbit/s, optical medium.234
20 Type 2: Medium attachment unit: network access port (NAP) . 237
20.1 General .237
20.2 Signaling .238
20.3 Transceiver .239
20.4 Connector .239
20.5 Cable .239
21 Type 3: Medium attachment unit: synchronous transmission, 31,25 kbit/s, voltage
mode, wire medium .241
21.1 General .241
21.2 Transmitted bit rate .241
21.3 Network specifications. 241
21.4 Transmit circuit specification for 31,25 kbit/s voltage-mode MAU. 244
21.5 Receive circuit specification for 31,25 kbit/s voltage-mode MAU. 247
21.6 Jabber inhibit .247
21.7 Power distribution.248
21.8 Medium specifications .250
21.9 Intrinsic safety.252
21.10 Galvanic Isolators.252
21.11 Coupling elements.252
21.12 Power supply.254
22 Type 3: Medium attachment unit: asynchronous transmission, wire medium . 259
22.1 Medium attachment unit for non intrinsic safety . 259
22.2 Medium attachment unit for intrinsic safety.264
23 Type 3: Medium attachment unit: asynchronous transmission, optical medium . 276
23.1 Characteristic features of optical data transmission. 276
23.2 Basic characteristics of an optical data transmission medium . 277
23.3 Optical network .277
23.4 Standard optical link.278
23.5 Network structures built from a combination of standard optical links . 278
23.6 Bit coding .278
23.7 Optical signal level .278
23.8 Temporal signal distortion .281
23.9 Bit error rate.285
23.10 Connectors for fiber optic cable.285
23.11 Redundancy in optical transmission networks. 285
24 Type 4: Medium attachment unit: RS-485 .285
24.1 General .285
– 6 – 61158-2 © IEC:2007(E)
24.2 Overview of the services .285
24.3 Description of the services . 286
24.4 Network.286
24.5 Electrical specification.286
24.6 Time response .286
24.7 Interface to the transmission medium .286
24.8 Specification of the transmission medium .287
25 Type 4: Medium attachment unit: RS-232 .288
25.1 General .288
25.2 Overview of the services .288
25.3 Description of the services . 288
26 Type 6: This clause has been removed.288
27 Type 8: Medium attachment unit: twisted-pair wire medium . 289
27.1 MAU signals .289
27.2 Transmission bit rate dependent quantities.289
27.3 Network.290
27.4 Electrical specification.290
27.5 Time response .290
27.6 Interface to the transmission medium .290
27.7 Specification of the transmission medium .291
28 Type 8: Medium attachment unit: optical media .294
28.1 General .294
28.2 Transmission bit rate dependent quantities.294
28.3 Network topology.294
28.4 Transmit circuit specifications .295
28.5 Receive circuit specifications.296
28.6 Specification of the transmission medium .297
29 Type 12: Medium attachment unit: electrical medium. 301
29.1 Electrical characteristics.301
29.2 Medium specifications .301
29.3 Transmission method .301
30 Type 16: Medium attachment unit: optical fiber medium at 2, 4, 8 and 16 Mbit/s .303
30.1 Structure of the transmission lines.303
30.2 Time performance of bit transmission .303
30.3 Connection to the optical fiber .310
31 Type 18: Medium attachment unit: basic medium.317
31.1 General .317
31.2 Data signal encoding.317
31.3 Signal loading .317
31.4 Signal conveyance requirements .317
31.5 Media .318
31.6 Endpoint and branch trunk cable connectors .320
31.7 Recommended type 18-PhL-B MAU circuitry .320
32 Type 18: Medium attachment unit: powered medium.321
32.1 General .321
32.2 Data signal encoding.321
32.3 Signal loading .321
32.4 Signal conveyance requirements .321
61158-2 © IEC:2007(E) – 7 –
32.5 Media .322
32.6 Endpoint and branch trunk cable connectors .325
32.7 Embedded power distribution . 325
32.8 Recommended type 18-PhL-P MAU circuitry .327
Annex A (normative) Type 1: Connector specification .329
A.1 Internal connector for wire medium.329
A.2 External connectors for wire medium.330
Annex B (informative) Types 1 and 3: Cable specifications and trunk and spur lengths
for the 31,25 kbit/s voltage-mode MAU .337
B.1 Cable description and specifications.337
B.2 Typical trunk and spur lengths.337
Annex C (informative) Types 1 and 7: Optical passive stars. 339
C.1 Definition.339
C.2 Example of attenuations .339
Annex D (informative) Types 1 and 7: Star topology .340
D.1 Examples of topology .340
D.2 Optical power budget .341
D.3 Mixed with wire media .342
Annex E (informative) Type 1: Alternate fibers .344
E.1 Alternate fibers for dual-fiber mode .344
E.2 Alternate fibers for single-fiber mode. 344
Annex F (normative) Type 2: Connector specification . 345
F.1 Connector for coaxial wire medium.345
F.2 Connector for optical medium . 345
F.3 Connector for NAP medium .346
Annex G (normative) Type 2: Repeater machine sublayers (RM, RRM) and redundant
PhLs.348
G.1 General .348
G.2 Repeater machine (RM) sublayer .348
G.3 Redundant PhL .350
G.4 Ring repeater machine (RRM) sublayer .352
Annex H (informative) Type 2: Reference design examples.359
H.1 MAU: 5 Mbit/s, voltage mode, coaxial wire . 359
H.2 Network access port (NAP) .363
Annex I (normative) Type 3: Connector specification.365
I.1 Connector for synchronous transmission . 365
I.2 Connector for asynchronous transmission .366
I.3 Connectors for fiber optic cable.371
Annex J (normative) Type 3: Redundancy of PhL and medium. 372
Annex K (normative) Type 3: Optical network topology .373
K.1 Signal flow in an optical network .373
Annex L (informative) Type 3: Reference design examples for asynchronous
transmission, wire medium, intrinsically safe . 382
L.1 Bus termination in the communication device .382
L.2 Bus termination in the connector .382
L.3 External bus termination.383
Annex M (normative) Type 8: Connector specification.385
M.1 External connectors for wire medium.385
– 8 – 61158-2 © IEC:2007(E)
M.2 External connectors for fiber optic medium . 386
M.3 External connectors for hybrid connectors for IP65 applications .386
Annex N (normative) Type 16: Connector specification . 390
Annex O (normative) Type 16: Optical network topology . 391
O.1 Topology .391
O.2 Optical power budget .392
Annex P (informative) Type 16: Reference design example. 396
P.1 Functional principles of the repeater circuit .396
P.2 Attenuation on the transmission line .399
Annex Q (normative) Type 18: Connector specification . 400
Q.1 Overview .400
Q.2 Device connector.400
Q.3 Flat-cable connector.401
Q.4 Round cable connector.402
Q.5 Round cable alternate connector .403
Annex R (normative) Type 18: Media cable specifications. 405
R.1 Type 18-PhL-B cable.405
R.2 Type 18-PhL-P cable.406
Bibliography.409
Figure 1 — General model of physical layer.21
Figure 2 — Mapping between data units across the DLL – PhL interface .62
Figure 3 — Data service for asynchronous transmission .67
Figure 4 — Interactions for a data sequence of a master: identification cycle.72
Figure 5 — Interactions for a data sequence of a master: data cycle.73
Figure 6 — Interactions for a data sequence of a slave: identification cycle .74
Figure 7 — Interactions for a data sequence of a slave: data cycle .75
Figure 8 — Interactions for a check sequence of a master .76
Figure 9 — Interactions for a check sequence of a slave .77
Figure 10 — Reset, Set-value, Get-value .86
Figure 11 — Event service.87
Figure 12 — Interface between PhL and PNM1 in the layer model .92
Figure 13 — Reset, Set-value, Get-value PhL services .93
Figure 14 — Event PhL service.93
Figure 15 — Allocation of the interface number.94
Figure 16 — Configuration of a master.98
Figure 17 — Configuration of a slave with an alternative type of transmission.99
Figure 18 — Configuration of a bus coupler with an alternative type of transmission.99
Figure 19 — DTE/DCE sequencing machines .104
Figure 20 — State transitions with the ID cycle request service . 113
Figure 21 — MIS-MDS interface: identification cycle request service . 114
Figure 22 — MIS-MDS interface: identification cycle request service . 115
Figure 23 — State transitions with the data cycle request service . 115
Figure 24 — MIS-MDS interface: data cycle request service . 116
Figure 25 — State transitions with the data sequence classification service.116
61158-2 © IEC:2007(E) – 9 –
Figure 26 — Protocol machine for the message transmission service . 117
Figure 27 — Protocol machine for the data sequence identification service . 118
Figure 28 — Protocol machine for the message receipt service . 119
Figure 29 — Protocol data unit (PhPDU).120
Figure 30 — PhSDU encoding and decoding.121
Figure 31 — Manchester encoding rules .121
Figure 32 — Preamble and delimiters .123
Figure 33 — Manchester coded symbols.124
Figure 34 — PhPDU format, half duplex.125
Figure 35 — PhPDU format, full duplex.127
Figure 36 — Data sequence PhPDU .131
Figure 37 — Structure of the header in a data sequence PhPDU .131
Figure 38 — Check sequence PhPDU.132
Figure 39 — Structure of a headers in a check sequence PhPDU . 132
Figure 40 — Structure of the status PhPDU .133
Figure 41 — Structure of the header in a status PhPDU.133
Figure 42 — Structure of the medium activity status PhPDU .134
Figure 43 — Structure of the header in a medium activity status PhPDU. 134
Figure 44 — Reset PhPDU .135
Figure 45 — Configuration of a master.136
Figure 46 — Configuration of a slave .136
Figure 47 — Configuration of a bus coupler .136
Figure 48 — Protocol data unit .
...
IEC 61158-2 ®
Edition 4.0 2007-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial communication networks – Fieldbus specifications –
Part 2: Physical layer specification and service definition
Réseaux de communications industriels – Spécifications des bus de terrain –
Partie 2: Spécification de couche physique et définition des services
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IEC 61158-2 ®
Edition 4.0 2007-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial communication networks – Fieldbus specifications –
Part 2: Physical layer specification and service definition
Réseaux de communications industriels – Spécifications des bus de terrain –
Partie 2: Spécification de couche physique et définition des services
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX XH
ICS 25.040, 35.100, 35.240.50 ISBN 978-2-8322-1342-1
– 2 – IEC 61158-2:2007 © IEC 2007
CONTENTS
FOREWORD . 19
0 Introduction . 21
0.1 General . 21
0.2 Physical layer overview . 21
0.3 Document overview . 21
0.4 Major physical layer variations specified in this standard . 22
1 Scope . 25
2 Normative references . 25
3 Terms and definitions . 28
3.1 Common terms and definitions . 28
3.2 Type 1: Terms and definitions . 32
3.3 Type 2: Terms and definitions . 35
3.4 Type 3: Terms and definitions . 38
3.5 Type 4: Terms and definitions . 41
3.6 Type 6: This subclause has been removed . 42
3.7 Type 8: Terms and definitions . 42
3.8 Type 12: Terms and definitions . 45
3.9 Type 16: Terms and definitions . 46
3.10 Type 18: Terms and definitions . 49
4 Symbols and abbreviations . 51
4.1 Symbols . 51
4.2 Abbreviations . 55
5 DLL – PhL interface . 62
5.1 General . 62
5.2 Type 1: Required services . 62
5.3 Type 2: Required services . 64
5.4 Type 3: Required services . 67
5.5 Type 4: Required services . 68
5.6 Type 6: This subclause has been removed . 70
5.7 Type 8: Required services . 70
5.8 Type 12: Required services . 78
5.9 Type 16: Required services . 80
5.10 Type 18: Required services . 81
6 Systems management – PhL interface . 83
6.1 General . 83
6.2 Type 1: Systems management – PhL interface . 83
6.3 Type 3: Systems management – PhL interface . 85
6.4 Type 4: Systems management – PhL interface . 91
6.5 Type 6: This subclause has been removed . 91
6.6 Type 8: Systems management – PhL interface . 91
6.7 Type 12: Systems management – PhL interface . 96
6.8 Type 18: Systems management – PhL interface . 96
7 DCE independent sublayer (DIS) . 97
7.1 General . 97
7.2 Type 1: DIS . 97
7.3 Type 3: DIS . 97
7.4 Type 6: This subclause has been removed . 97
7.5 Type 8: DIS . 98
7.6 Type 12: DIS . 99
8 DTE – DCE interface and MIS-specific functions . 99
8.1 General . 99
8.2 Type 1: DTE – DCE interface . 100
8.3 Type 3: DTE – DCE interface . 110
8.4 Type 8: MIS – MDS interface . 111
8.5 Type 12: DTE – DCE interface . 120
9 Medium dependent sublayer (MDS) . 120
9.1 General . 120
9.2 Type 1: MDS: Wire and optical media . 120
9.3 Type 1: MDS: Radio media . 123
9.4 Type 2: MDS: Wire and optical media . 123
9.5 Type 3: MDS: Wire and optical media . 125
9.6 Type 4: MDS: Wire medium . 125
9.7 Type 6: This subclause has been removed . 130
9.8 Type 8: MDS: Wire and optical media . 130
9.9 Type 12: MDS: Wire media . 137
9.10 Type 16: MDS: Optical media . 139
9.11 Type 18: MDS: Wire media . 140
10 MDS – MAU interface . 141
10.1 General . 141
10.2 Type 1: MDS – MAU interface: Wire and optical media . 141
10.3 Type 1: MDS – MAU interface: Radio signaling . 143
10.4 Type 2: MDS – MAU interface: Wire and optical media . 143
10.5 Type 3: MDS – MAU interface: Wire and optical media . 145
10.6 Type 8: MDS – MAU interface: Wire and optical media . 145
10.7 Type 18: MDS – MAU interface: Wire media . 147
11 Types 1 and 7: Medium attachment unit: voltage mode, linear-bus-topology 150 Ω
twisted-pair wire medium . 149
11.1 General . 149
11.2 Bit-rate-dependent quantities . 149
11.3 Network specifications . 150
11.4 MAU transmit circuit specification . 152
11.5 MAU receive circuit specification . 156
11.6 Jabber inhibit . 158
11.7 Power distribution . 158
11.8 Medium specifications . 161
12 Types 1 and 3: Medium attachment unit: 31,25 kbit/s, voltage-mode with low-power
option, bus- and tree-topology, 100 Ω wire medium . 164
12.1 General . 164
12.2 Transmitted bit rate . 164
12.3 Network specifications . 164
12.4 MAU transmit circuit specification . 167
12.5 MAU receive circuit specification . 170
12.6 Jabber inhibit . 171
12.7 Power distribution . 171
12.8 Medium specifications . 177
– 4 – IEC 61158-2:2007 © IEC 2007
12.9 Intrinsic safety . 180
12.10 Galvanic isolators . 181
13 Type 1: Medium attachment unit: current mode, twisted-pair wire medium . 181
13.1 General . 181
13.2 Transmitted bit rate . 181
13.3 Network specifications . 181
13.4 MAU transmit circuit specification . 183
13.5 MAU receive circuit specification . 185
13.6 Jabber inhibit . 187
13.7 Power distribution . 188
13.8 Medium specifications . 189
14 Type 1: Medium attachment unit: current mode (1 A), twisted-pair wire medium . 191
14.1 General . 191
14.2 Transmitted bit rate . 191
14.3 Network specifications . 191
14.4 MAU transmit circuit specification . 193
14.5 MAU receive circuit specification . 195
14.6 Jabber inhibit . 196
14.7 Power distribution . 196
14.8 Medium specifications . 198
15 Types 1 and 7: Medium attachment unit: dual-fiber optical media . 199
15.1 General . 199
15.2 Bit-rate-dependent quantities . 199
15.3 Network specifications . 200
15.4 MAU transmit circuit specifications . 201
15.5 MAU receive circuit specifications . 202
15.6 Jabber inhibit . 203
15.7 Medium specifications . 204
16 Type 1: Medium attachment unit: 31,25 kbit/s, single-fiber optical medium . 206
16.1 General . 206
16.2 Transmitted bit rate . 206
16.3 Network specifications . 206
16.4 MAU transmit circuit specifications . 206
16.5 MAU receive circuit specifications . 207
16.6 Jabber inhibit . 207
16.7 Medium specifications . 208
17 Type 1: Medium attachment unit: radio signaling . 210
17.1 General . 210
17.2 Transmit signaling rate . 210
17.3 Modulation . 210
17.4 Network specification . 212
17.5 Antennas . 216
17.6 Jabber inhibit . 216
17.7 Common air interface . 217
18 Type 2: Medium attachment unit: 5 Mbit/s, voltage-mode, coaxial wire medium . 221
18.1 General . 221
18.2 Transceiver: 5 Mbit/s, voltage-mode, coaxial wire . 221
18.3 Transformer 5 Mbit/s, voltage-mode, coaxial wire . 226
18.4 Connector 5 Mbit/s, voltage-mode, coaxial wire medium . 227
18.5 Topology 5 Mbit/s, voltage-mode, coaxial wire medium . 227
18.6 Taps 5 Mbit/s, voltage-mode, coaxial wire medium . 229
18.7 Trunk 5 Mbit/s, voltage-mode, coaxial wire medium . 231
19 Type 2: Medium attachment unit: 5 Mbit/s, optical medium . 232
19.1 General . 232
19.2 Transceiver 5 Mbit/s, optical medium. 232
19.3 Topology 5 Mbit/s, optical medium . 233
19.4 Trunk fiber 5 Mbit/s, optical medium . 233
19.5 Trunk connectors 5 Mbit/s, optical medium . 234
19.6 Fiber specifications 5 Mbit/s, optical medium . 234
20 Type 2: Medium attachment unit: network access port (NAP) . 237
20.1 General . 237
20.2 Signaling . 238
20.3 Transceiver . 239
20.4 Connector . 239
20.5 Cable . 239
21 Type 3: Medium attachment unit: synchronous transmission, 31,25 kbit/s, voltage
mode, wire medium . 241
21.1 General . 241
21.2 Transmitted bit rate . 241
21.3 Network specifications . 241
21.4 Transmit circuit specification for 31,25 kbit/s voltage-mode MAU . 244
21.5 Receive circuit specification for 31,25 kbit/s voltage-mode MAU . 247
21.6 Jabber inhibit . 247
21.7 Power distribution . 248
21.8 Medium specifications . 250
21.9 Intrinsic safety . 252
21.10 Galvanic Isolators . 252
21.11 Coupling elements . 252
21.12 Power supply . 254
22 Type 3: Medium attachment unit: asynchronous transmission, wire medium . 259
22.1 Medium attachment unit for non intrinsic safety . 259
22.2 Medium attachment unit for intrinsic safety . 264
23 Type 3: Medium attachment unit: asynchronous transmission, optical medium . 276
23.1 Characteristic features of optical data transmission . 276
23.2 Basic characteristics of an optical data transmission medium . 277
23.3 Optical network . 277
23.4 Standard optical link . 278
23.5 Network structures built from a combination of standard optical links . 278
23.6 Bit coding . 278
23.7 Optical signal level . 278
23.8 Temporal signal distortion . 281
23.9 Bit error rate . 285
23.10 Connectors for fiber optic cable . 285
23.11 Redundancy in optical transmission networks . 285
24 Type 4: Medium attachment unit: RS-485 . 285
24.1 General . 285
– 6 – IEC 61158-2:2007 © IEC 2007
24.2 Overview of the services . 285
24.3 Description of the services . 286
24.4 Network . 286
24.5 Electrical specification . 286
24.6 Time response . 286
24.7 Interface to the transmission medium . 286
24.8 Specification of the transmission medium . 287
25 Type 4: Medium attachment unit: RS-232 . 288
25.1 General . 288
25.2 Overview of the services . 288
25.3 Description of the services . 288
26 Type 6: This clause has been removed . 288
27 Type 8: Medium attachment unit: twisted-pair wire medium . 289
27.1 MAU signals . 289
27.2 Transmission bit rate dependent quantities . 289
27.3 Network . 290
27.4 Electrical specification . 290
27.5 Time response . 290
27.6 Interface to the transmission medium . 290
27.7 Specification of the transmission medium . 291
28 Type 8: Medium attachment unit: optical media . 294
28.1 General . 294
28.2 Transmission bit rate dependent quantities . 294
28.3 Network topology. 294
28.4 Transmit circuit specifications . 295
28.5 Receive circuit specifications. 296
28.6 Specification of the transmission medium . 297
29 Type 12: Medium attachment unit: electrical medium . 301
29.1 Electrical characteristics . 301
29.2 Medium specifications . 301
29.3 Transmission method . 301
30 Type 16: Medium attachment unit: optical fiber medium at 2, 4, 8 and 16 Mbit/s . 303
30.1 Structure of the transmission lines . 303
30.2 Time performance of bit transmission . 303
30.3 Connection to the optical fiber . 310
31 Type 18: Medium attachment unit: basic medium . 317
31.1 General . 317
31.2 Data signal encoding . 317
31.3 Signal loading . 317
31.4 Signal conveyance requirements . 317
31.5 Media . 318
31.6 Endpoint and branch trunk cable connectors . 320
31.7 Recommended type 18-PhL-B MAU circuitry . 320
32 Type 18: Medium attachment unit: powered medium. 321
32.1 General . 321
32.2 Data signal encoding . 321
32.3 Signal loading . 321
32.4 Signal conveyance requirements . 321
32.5 Media . 322
32.6 Endpoint and branch trunk cable connectors . 325
32.7 Embedded power distribution . 325
32.8 Recommended type 18-PhL-P MAU circuitry . 327
Annex A (normative) Type 1: Connector specification . 329
A.1 Internal connector for wire medium . 329
A.2 External connectors for wire medium . 330
Annex B (informative) Types 1 and 3: Cable specifications and trunk and spur lengths
for the 31,25 kbit/s voltage-mode MAU . 337
B.1 Cable description and specifications . 337
B.2 Typical trunk and spur lengths . 337
Annex C (informative) Types 1 and 7: Optical passive stars . 339
C.1 Definition . 339
C.2 Example of attenuations . 339
Annex D (informative) Types 1 and 7: Star topology . 340
D.1 Examples of topology . 340
D.2 Optical power budget . 341
D.3 Mixed with wire media . 342
Annex E (informative) Type 1: Alternate fibers . 344
E.1 Alternate fibers for dual-fiber mode . 344
E.2 Alternate fibers for single-fiber mode . 344
Annex F (normative) Type 2: Connector specification . 345
F.1 Connector for coaxial wire medium . 345
F.2 Connector for optical medium . 345
F.3 Connector for NAP medium . 346
Annex G (normative) Type 2: Repeater machine sublayers (RM, RRM) and redundant
PhLs . 348
G.1 General . 348
G.2 Repeater machine (RM) sublayer . 348
G.3 Redundant PhL . 350
G.4 Ring repeater machine (RRM) sublayer . 352
Annex H (informative) Type 2: Reference design examples. 359
H.1 MAU: 5 Mbit/s, voltage mode, coaxial wire . 359
H.2 Network access port (NAP) . 363
Annex I (normative) Type 3: Connector specification. 365
I.1 Connector for synchronous transmission . 365
I.2 Connector for asynchronous transmission . 366
I.3 Connectors for fiber optic cable . 371
Annex J (normative) Type 3: Redundancy of PhL and medium . 372
Annex K (normative) Type 3: Optical network topology . 373
K.1 Signal flow in an optical network . 373
Annex L (informative) Type 3: Reference design examples for asynchronous
transmission, wire medium, intrinsically safe . 382
L.1 Bus termination in the communication device . 382
L.2 Bus termination in the connector . 382
L.3 External bus termination . 383
Annex M (normative) Type 8: Connector specification . 385
M.1 External connectors for wire medium . 385
– 8 – IEC 61158-2:2007 © IEC 2007
M.2 External connectors for fiber optic medium . 386
M.3 External connectors for hybrid connectors for IP65 applications . 386
Annex N (normative) Type 16: Connector specification . 390
Annex O (normative) Type 16: Optical network topology . 391
O.1 Topology . 391
O.2 Optical power budget . 392
Annex P (informative) Type 16: Reference design example . 396
P.1 Functional principles of the repeater circuit . 396
P.2 Attenuation on the transmission line . 399
Annex Q (normative) Type 18: Connector specification . 400
Q.1 Overview . 400
Q.2 Device connector. 400
Q.3 Flat-cable connector . 401
Q.4 Round cable connector . 402
Q.5 Round cable alternate connector . 403
Annex R (normative) Type 18: Media cable specifications . 405
R.1 Type 18-PhL-B cable . 405
R.2 Type 18-PhL-P cable . 406
Bibliography . 409
Figure 1 – General model of physical layer . 21
Figure 2 – Mapping between data units across the DLL – PhL interface . 62
Figure 3 – Data service for asynchronous transmission. 67
Figure 4 – Interactions for a data sequence of a master: identification cycle . 72
Figure 5 – Interactions for a data sequence of a master: data cycle . 73
Figure 6 – Interactions for a data sequence of a slave: identification cycle. 74
Figure 7 – Interactions for a data sequence of a slave: data cycle . 75
Figure 8 – Interactions for a check sequence of a master . 76
Figure 9 – Interactions for a check sequence of a slave . 77
Figure 10 – Reset, Set-value, Get-value . 86
Figure 11 – Event service . 87
Figure
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