IEC 61158-2:2014

IEC 61158-2 ®
Edition 6.0 2014-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial communication networks – Fieldbus specifications –
Part 2: Physical layer specification and service definition

Réseaux de communication industriels – Spécifications des bus de terrain –
Partie 2: Spécification et définition des services de la couche physique

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IEC 61158-2 ®
Edition 6.0 2014-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial communication networks – Fieldbus specifications –

Part 2: Physical layer specification and service definition

Réseaux de communication industriels – Spécifications des bus de terrain –

Partie 2: Spécification et définition des services de la couche physique

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX XH
ICS 25.040; 35.100; 35.240.50 ISBN 978-2-8322-1747-4

– 2 – IEC 61158-2:2014 © IEC 2014
CONTENTS
FOREWORD . 30
0 Introduction . 32
0.1 General . 32
0.2 Physical layer overview . 32
0.3 Document overview . 32
0.4 Major physical layer variations specified in this standard . 33
0.4.1 Type 1 media . 33
0.4.2 Type 2: Coaxial wire and optical media . 33
0.4.3 Type 3: Twisted-pair wire and optical media . 33
0.4.4 Type 4: Wire medium . 34
0.4.5 Type 8: Twisted-pair wire and optical media . 34
0.4.6 Type 12: Wire medium . 34
0.4.7 Type 16: optical media . 34
0.4.8 Type 18: Media . 34
0.4.9 Type 20: Media . 35
0.4.10 Type 24: Media . 35
0.5 Patent declaration . 35
1 Scope . 36
2 Normative references . 36
3 Terms and definitions . 38
3.1 Common terms and definitions . 38
3.2 Type 1: Terms and definitions . 43
3.3 Type 2: Terms and definitions . 46
3.4 Type 3: Terms and definitions . 49
3.5 Type 4: Terms and definitions . 52
3.6 Void . 53
3.7 Type 8: Terms and definitions . 53
3.8 Type 12: Terms and definitions . 56
3.9 Type 16: Terms and definitions . 57
3.10 Type 18: Terms and definitions . 60
3.11 Type 24: Terms and definitions . 61
3.12 Type 20 terms and definitions . 63
4 Symbols and abbreviations . 66
4.1 Symbols . 66
4.1.1 Type 1: Symbols . 66
4.1.2 Type 2: Symbols . 67
4.1.3 Type 3: Symbols . 68
4.1.5 Void . 68
4.1.6 Type 8: Symbols . 68
4.1.7 Type 12: Symbols . 69
4.1.8 Type 16: Symbols . 69
4.1.9 Type 18: Symbols . 69
4.1.10 Type 24: Symbols . 70
4.1.11 Type 20: symbols . 70
4.2 Abbreviations . 70
4.2.1 Type 1: Abbreviations . 70

4.2.2 Type 2: Abbreviations . 71
4.2.3 Type 3: Abbreviations . 72
4.2.4 Type 4: Abbreviations . 74
4.2.5 Void . 74
4.2.6 Type 8: Abbreviations . 74
4.2.7 Type 12: Abbreviations . 75
4.2.8 Type 16: Abbreviations . 76
4.2.9 Type 18: Abbreviations . 76
4.2.10 Type 24: Abbreviations . 77
4.2.11 Type 20: Abbreviations . 77
5 DLL – PhL interface . 77
5.1 General . 77
5.2 Type 1: Required services . 78
5.2.1 Primitives of the PhS . 78
5.2.2 Notification of PhS characteristics . 79
5.2.3 Transmission of Ph-user-data . 80
5.2.4 Reception of Ph-user-data . 80
5.3 Type 2: Required services . 80
5.3.1 General . 80
5.3.2 M_symbols . 80
5.3.3 PH-LOCK indication . 81
5.3.4 PH-FRAME indication . 81
5.3.5 PH-CARRIER indication . 81
5.3.6 PH-DATA indication . 81
5.3.7 PH-STATUS indication . 81
5.3.8 PH-DATA request . 82
5.3.9 PH-FRAME request . 82
5.3.10 PH-JABBER indication . 82
5.3.11 Ph-JABBER-CLEAR request . 82
5.3.12 Ph-JABBER-TYPE request . 82
5.4 Type 3: Required services . 83
5.4.1 Synchronous transmission . 83
5.4.2 Asynchronous transmission . 83
5.5 Type 4: Required services . 84
5.5.1 General . 84
5.5.2 Primitives of the PhS . 84
5.5.3 Transmission of Ph-user data . 85
5.6 Void . 86
5.7 Type 8: Required services . 86
5.7.1 General . 86
5.7.2 Primitives of the PhS . 86
5.7.3 Overview of the Interactions . 87
5.8 Type 12: Required services . 94
5.8.1 Primitives of the PhS . 94
5.8.2 Notification of PhS characteristics . 95
5.8.3 Transmission of Ph-user-data . 95
5.8.4 Reception of Ph-user-data . 95
5.9 Type 16: Required services . 95
5.9.1 Primitives of the PhS . 95

– 4 – IEC 61158-2:2014 © IEC 2014
5.9.2 Transmission of Ph-user-data . 96
5.9.3 Reception of Ph-user-data . 96
5.10 Type 18: Required services . 97
5.10.1 General . 97
5.10.2 Primitives of the PhS . 97
5.10.3 Transmission of Ph-user-data . 98
5.10.4 Reception of Ph-user-data . 98
5.11 Type 24: Required services . 98
5.11.1 General . 98
5.11.2 DL_Symbols . 98
5.11.3 PLS_CARRIER indication . 99
5.11.4 PLS_SIGNAL indication . 99
5.11.5 PLS_DATA_VALID indication . 99
5.11.6 PLS_DATA indication . 99
5.11.7 PLS_DATA request . 99
5.12 Type 20: Required services . 99
5.12.1 Facilities of the physical layer services . 99
5.12.2 Sequence of primitives . 99
5.12.3 PH-START service . 100
5.12.4 PH-DATA service . 101
5.12.5 PH-END service . 101
6 Systems management – PhL interface . 101
6.1 General . 101
6.2 Type 1: Systems management – PhL interface . 102
6.2.1 Required services . 102
6.2.2 Service primitive requirements . 102
6.3 Type 3: Systems management – PhL interface . 103
6.3.1 Synchronous transmission . 103
6.3.2 Asynchronous transmission . 103
6.4 Type 4: Systems management – PhL interface . 109
6.4.1 Required Services . 109
6.4.2 Service primitive requirements . 109
6.5 Void . 110
6.6 Type 8: Systems management – PhL interface . 110
6.6.1 Functionality of the PhL Management . 110
6.6.2 PhL-PNM1 Interface . 110
6.7 Type 12: Systems management – PhL interface . 115
6.7.1 Required service . 115
6.7.2 Service primitive PH-RESET request . 115
6.8 Type 18: Systems management – PhL interface . 115
6.8.1 General . 115
6.8.2 Required services . 115
6.8.3 Service primitive requirements . 115
6.9 Type 24: Systems management – PhL interface . 116
7 DCE independent sublayer (DIS) . 116
7.1 General . 116
7.2 Type 1: DIS . 116
7.3 Type 3: DIS . 117
7.3.1 Synchronous transmission . 117

7.3.2 Asynchronous transmission . 117
7.4 Void . 117
7.5 Type 8: DIS . 117
7.5.1 General . 117
7.5.2 Function . 117
7.5.3 Serial transmission . 117
7.5.4 MDS coupling . 117
7.6 Type 12: DIS . 118
8 DTE – DCE interface and MIS-specific functions . 119
8.1 General . 119
8.2 Type 1: DTE – DCE interface . 119
8.2.1 Services . 119
8.2.2 Signaling interfaces . 120
8.3 Type 3: DTE – DCE interface . 130
8.3.1 Synchronous transmission . 130
8.3.2 Asynchronous transmission . 130
8.4 Type 8: MIS – MDS interface . 130
8.4.1 General . 130
8.4.2 Services . 131
8.4.3 Interface signals . 132
8.4.4 Converting the services to the interface signals . 132
8.5 Type 12: DTE – DCE interface . 140
9 Medium dependent sublayer (MDS) . 140
9.1 General . 140
9.2 Type 1: MDS: Wire and optical media . 140
9.2.1 PhPDU . 140
9.2.2 Encoding and decoding . 141
9.2.3 Polarity detection . 142
9.2.4 Start of frame delimiter . 142
9.2.5 End of frame delimiter . 142
9.2.6 Preamble . 143
9.2.7 Synchronization . 143
9.2.8 Post-transmission gap . 143
9.2.9 Inter-channel signal skew . 144
9.3 Void . 144
9.4 Type 2: MDS: Wire and optical media . 144
9.4.1 Clock accuracy . 144
9.4.2 Data recovery . 144
9.4.3 Data encoding rules . 144
9.5 Type 3: MDS: Wire and optical media . 145
9.5.1 Synchronous transmission . 145
9.5.2 Asynchronous transmission . 145
9.6 Type 4: MDS: Wire medium . 145
9.6.1 Half-duplex . 145
9.6.2 Full-duplex . 147
9.6.3 Full-duplex UDP . 149
9.7 Void . 150
9.8 Type 8: MDS: Wire and optical media . 150
9.8.1 Function . 150

– 6 – IEC 61158-2:2014 © IEC 2014
9.8.2 PhPDU formats . 151
9.8.3 Idle states . 155
9.8.4 Reset PhPDU . 155
9.8.5 MAU coupling . 156
9.9 Type 12: MDS: Wire media . 157
9.9.1 PhPDU . 157
9.9.2 Encoding and decoding . 158
9.9.3 Polarity detection . 159
9.9.4 SOF . 159
9.9.5 EOF . 159
9.9.6 Idle . 159
9.9.7 Synchronization . 159
9.9.8 Inter frame gap . 160
9.10 Type 16: MDS: Optical media . 160
9.10.1 Data encoding rules . 160
9.10.2 Telegrams and fill characters . 160
9.11 Type 18: MDS: Wire media . 161
9.11.1 Overview . 161
9.11.2 Transmission . 161
9.11.3 Reception . 161
9.12 Type 24: MDS: Twisted-pair wire . 161
9.12.1 General . 161
9.12.2 Clock accuracy . 161
9.12.3 Data recovery . 162
9.12.4 Data encoding rules . 162
10 MDS – MAU interface . 163
10.1 General . 163
10.2 Type 1: MDS – MAU interface: Wire and optical media . 163
10.2.1 Services . 163
10.2.2 Service specifications . 163
10.2.3 Signal characteristics . 164
10.2.4 Communication mode . 164
10.2.5 Timing characteristics . 164
10.3 Void . 164
10.4 Type 2: MDS – MAU interface: Wire and optical media . 165
10.4.1 MDS-MAU interface: general . 165
10.4.2 MDS-MAU interface: 5 Mbit/s, voltage-mode, coaxial wire . 165
10.4.3 MDS – MAU interface 5 Mbit/s, optical medium . 166
10.4.4 MDS – MAU interface Network Access Port (NAP) . 167
10.5 Type 3: MDS – MAU interface: Wire and optical media . 167
10.5.1 Synchronous transmission . 167
10.5.2 Asynchronous transmission . 167
10.6 Type 8: MDS – MAU interface: Wire and optical media . 167
10.6.1 Overview of the services. 167
10.6.2 Description of the services . 167
10.6.3 Time response . 168
10.6.4 Transmission mode . 169
10.7 Type 18: MDS – MAU interface: Wire media . 169
10.7.1 General . 169

10.7.2 Services . 169
10.7.3 Service specifications . 169
10.7.4 Signal characteristics . 170
10.7.5 Communication mode . 170
10.7.6 Timing characteristics . 170
10.8 Type 24: MDS – MAU interface: Twisted-pair wire medium . 170
10.8.1 Overview of service . 170
10.8.2 Description of the services . 171
11 Types 1 and 7: Medium attachment unit: voltage mode, linear-bus-topology 150 Ω
twisted-pair wire medium . 171
11.1 General . 171
11.2 Bit-rate-dependent quantities . 172
11.3 Network specifications . 172
11.3.1 Components . 172
11.3.2 Topologies . 172
11.3.3 Network configuration rules . 173
11.3.4 Power distribution rules for network configuration . 174
11.4 MAU transmit circuit specification . 174
11.4.1 Summary . 174
11.4.2 MAU test configuration . 175
11.4.3 MAU output level requirements . 176
11.4.4 MAU output timing requirements . 177
11.4.5 Signal polarity . 178
11.5 MAU receive circuit specification . 179
11.5.1 Summary . 179
11.5.2 Input impedance . 179
11.5.3 Receiver sensitivity and noise rejection . 180
11.5.4 Received bit cell jitter . 180
11.5.5 Interference susceptibility and error rates . 180
11.6 Jabber inhibit . 181
11.7 Power distribution . 181
11.7.1 Overview . 181
11.7.2 Supply voltage . 182
11.7.3 Powered via signal conductors . 182
11.7.4 Powered separately from signal conductors . 183
11.7.5 Electrical isolation . 183
11.8 Medium specifications . 184
11.8.1 Connector . 184
11.8.2 Standard test cable . 184
11.8.3 Coupler . 185
11.8.4 Splices . 185
11.8.5 Terminator . 185
11.8.6 Shielding rules . 185
11.8.7 Grounding (earthing) rules . 186
11.8.8 Color coding of cables . 186
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 . 186
12.1 General . 186
12.2 Transmitted bit rate . 187

– 8 – IEC 61158-2:2014 © IEC 2014
12.3 Network specifications . 187
12.3.1 Components . 187
12.3.2 Topologies . 187
12.3.3 Network configuration rules . 188
12.3.4 Power distribution rules for network configuration . 189
12.4 MAU transmit circuit specification . 190
12.4.1 Summary . 190
12.4.2 MAU test configuration . 190
12.4.3 MAU output level requirements . 190
12.4.4 Output timing requirements . 191
12.4.5 Signal polarity . 192
12.4.6 Transition from receive to transmit . 192
12.5 MAU receive circuit specification . 192
12.5.1 Summary . 192
12.5.2 Input impedance . 193
12.5.3 Receiver sensitivity and noise rejection . 193
12.5.4 Received bit cell jitter . 193
12.5.5 Interference susceptibility and error rates . 193
12.6 Jabber inhibit . 194
12.7 Power distribution . 194
12.7.1 General . 194
12.7.2 Supply voltage . 195
12.7.3 Powered via signal conductors . 195
12.7.4 Power supply impedance . 197
12.7.5 Powered separately from signal conductors . 200
12.7.6 Electrical isolation . 200
12.8 Medium specifications . 200
12.8.1 Connector . 200
12.8.2 Standard test cable . 201
12.8.3 Coupler . 201
12.8.4 Splices . 202
12.8.5 Terminator . 202
12.8.6 Shielding rules . 203
12.8.7 Grounding (earthing) rules .
...