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This part of IEC 61158 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.

The fieldbus physical layer conforms to layer 1 of the OSI 7-layer model as defined by ISO 7498 with the exception that, for some types, frame delimiters are in the physical layer while for other types they are in the data-link layer.

PDF Catalog

PDF Pages	PDF Title
9	CONTENTS
21	0 Introduction
22	Figures Figure 1 – General model of physical layer
25	1 Scope 2 Normative references
27	3 Terms and definitions
50	4 Symbols and abbreviations
61	5 DLL – PhL interface
62	Figure 2 – Mapping between data units across the DLL – PhL interface
65	Tables Table 1 – Data encoding rules
66	Table 2 – Ph Status indication truth table Table 3 – Jabber indications
67	Figure 3 – Data service for asynchronous transmission
72	Figure 4 – Interactions for a data sequence of a master: identification cycle
73	Figure 5 – Interactions for a data sequence of a master: data cycle
74	Figure 6 – Interactions for a data sequence of a slave: identification cycle
75	Figure 7 – Interactions for a data sequence of a slave: data cycle
76	Figure 8 – Interactions for a check sequence of a master
77	Figure 9 – Interactions for a check sequence of a slave
82	6 Systems management – PhL interface
83	Table 4 – Parameter names and values for Ph Set-Value request
84	Table 5 – Parameter names for Ph Event indication
85	Table 6 – Summary of Ph management services and primitives
86	Figure 10 – Reset, Set-value, Get-value Figure 11 – Event service Table 7 – Reset primitives and parameters Table 8 – Values of PhM Status for the Reset service
87	Table 9 – Set value primitives and parameters Table 10 – Mandatory PhE-variables
88	Table 11 – Permissible values of PhE-variables Table 12 – Values of PhM Status for the set-value service Table 13 – Get value primitives and parameters
89	Table 14 – Current values of PhE-variables Table 15 – Values of PhM Status for the get value service Table 16 – Event primitive and parameters
90	Table 17 – New values of PhE-variables Table 18 – Parameter names and values for management
91	Figure 12 – Interface between PhL and PNM1 in the layer model
92	Figure 13 – Reset, Set-value, Get-value PhL services Figure 14 – Event PhL service Table 19 – Ph Reset Table 20 – Ph Set-Value
93	Figure 15 – Allocation of the interface number Table 21 – PhL variables
94	Table 22 – Ph Get-Value
95	Table 23 – Ph Event Table 24 – PhL events
96	7 DCE independent sublayer (DIS) Table 25 – Parameter names and values for Ph Set-Value request
97	Figure 16 – Configuration of a master
98	8 DTE – DCE interface and MIS-specific functions Figure 17 – Configuration of a slave with an alternative type of transmission Figure 18 – Configuration of a bus coupler with an alternative type of transmission
100	Table 26 – Signals at DTE – DCE interface
101	Table 27 – Signal levels for an exposed DTE – DCE interface
103	Figure 19 – DTE/DCE sequencing machines
111	Table 28 – MDS bus reset Table 29 – Signals at the MIS MDS interface
112	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 Figure 23 – State transitions with the data cycle request service
115	Figure 24 – MIS MDS interface: data cycle request service Figure 25 – State transitions with the data sequence classification service
116	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	9 Medium dependent sublayer (MDS) Figure 29 – Protocol data unit (PhPDU)
120	Figure 30 – PhSDU encoding and decoding Figure 31 – Manchester encoding rules Table 30 – Manchester encoding rules
122	Figure 32 – Preamble and delimiters
123	Figure 33 – Manchester coded symbols Table 31 – MDS timing characteristics Table 32 – MDS data encoding rules
124	Figure 34 – PhPDU format, half duplex
126	Figure 35 – PhPDU format, full duplex
130	Figure 36 – Data sequence PhPDU Figure 37 – Structure of the header in a data sequence PhPDU Table 33 – SL bit and TxSL signal assignment Table 34 – SL bit and RxSL signal assignment
131	Figure 38 – Check sequence PhPDU Figure 39 – Structure of a headers in a check sequence PhPDU Table 35 – SL bit and TxSL signal assignment
132	Figure 40 – Structure of the status PhPDU Figure 41 – Structure of the header in a status PhPDU Table 36 – SL bit and RxSL signal assignment Table 37 – SL bit and TxSL signal assignment Table 38 – SL bit and RxSL signal assignment
133	Figure 42 – Structure of the medium activity status PhPDU Figure 43 – Structure of the header in a medium activity status PhPDU Table 39 – Coding and decoding rules
134	Figure 44 – Reset PhPDU Table 40 – Decoding rules for the idle states Table 41 – Coding rules for the reset PhPDU Table 42 – Decoding rules of the reset PhPDU
135	Figure 45 – Configuration of a master Figure 46 – Configuration of a slave Figure 47 – Configuration of a bus coupler
136	Figure 48 – Protocol data unit Figure 49 – PhSDU encoding and decoding Figure 50 – Manchester encoding rules
137	Table 43 – Manchester encoding rules
139	Figure 51 – Example of an NRZI-coded signal Figure 52 – Fill signal
140	10 MDS – MAU interface Table 44 – Minimum services at MDS – MAU interface
141	Table 45 – Signal levels for an exposed MDS – MAU interface
142	Table 46 – MDS-MAU interface definitions: 5 Mbit/s, voltage-mode, coaxial wire
143	Table 47 – MDS-MAU interface 5 Mbit/s, optical fiber medium
145	Table 48 – Services of the MDS MAU interface
146	Figure 53 – Jitter tolerance
147	Table 49 – Minimum services at MAU interface Table 50 – Signal levels for an exposed MAU interface
148	11 Types 1 and 7: Medium attachment unit: voltage mode, linear-bus-topology 150 Ω twisted-pair wire medium Table 51 – Bit-rate-dependent quantities of voltage-mode networks
151	Table 52 – MAU transmit level specification summary Table 53 – MAU transmit timing specification summary for 31,25 kbit/s operation
152	Figure 54 – Transmit circuit test configuration Table 54 – MAU transmit timing specification summary for ≥ 1 Mbit/s operation
153	Figure 55 – Output waveform
154	Figure 56 – Transmitted and received bit cell jitter (zero crossing point deviation)
155	Figure 57 – Signal polarity
156	Figure 58 – Receiver sensitivity and noise rejection Table 55 – MAU receive circuit specification summary
158	Table 56 – Network powered device characteristics Table 57 – Network power supply requirements
159	Figure 59 – Power supply ripple and noise
161	Figure 60 – Fieldbus coupler Table 58 – Test cable attenuation limits
162	Table 59 – Recommended color coding of cables in North America
163	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
166	Table 60 – MAU transmit level specification summary Table 61 – MAU transmit timing specification summary
168	Figure 61 – Transition from receiving to transmitting
169	Table 62 – MAU receive circuit specification summary
171	Table 63 – Network powered device characteristics Table 64 – Network power supply requirements
172	Figure 62 – Power supply ripple and noise
173	Figure 63 – Test circuit for single-output power supplies
174	Figure 64 – Test circuit for power distribution through an IS barrier
175	Figure 65 – Test circuit for multiple output supplies with signal coupling
177	Figure 66 – Fieldbus coupler Figure 67 – Protection resistors
179	Table 65 – Type 3 cable color specification
180	13 Type 1: Medium attachment unit: current mode, twisted-pair wire medium
183	Figure 68 – Test configuration for current-mode MAU Table 66 – MAU transmit level specification summary Table 67 – MAU transmit timing specification summary
184	Figure 69 – Transmitted and received bit cell jitter (zero crossing point deviation)
185	Table 68 – Receive circuit specification summary
186	Figure 70 – Noise test circuit for current-mode MAU
187	Table 69 – Network power supply requirements
190	14 Type 1: Medium attachment unit: current mode (1 A), twisted-pair wire medium
193	Table 70 – Transmit level specification summary for current-mode MAU Table 71 – Transmit timing specification summary for current-mode MAU
194	Figure 71 – Transmitted and received bit cell jitter (zero crossing point deviation)
195	Table 72 – Receive circuit specification summary for current-mode MAU
196	Table 73 – Network power supply requirements
197	Figure 72 – Power supply harmonic distortion and noise
199	15 Types 1 and 7: Medium attachment unit: dual-fiber optical media Table 74 – Bit-rate-dependent quantities of high-speed (1 Mbit/s) dual-fiber networks
201	Table 75 – Transmit level and spectral specification summary Table 76 – Transmit timing specification summary
202	Figure 73 – Optical wave shape template Table 77 – Receive circuit specification summary
205	Table 78 – Transmit and receive level and spectral specifications for an optical active star
206	16 Type 1: Medium attachment unit: 31,25 kbit/s, single-fiber optical medium Table 79 – Timing characteristics of an optical active star
207	Table 80 – Transmit level and spectral specification summary
209	17 Type 1: Medium attachment unit: radio signaling Table 81 – Transmit and receive level and spectral specifications for an optical active star
213	Figure 74 – Cellular radio topology and reuse of frequencies
214	Figure 75 – Radio segment between wired segments topology
215	Figure 76 – Mixed wired and radio medium fieldbus topology
218	Table 82 – Interfering frequencies for testing receiver performance
219	18 Type 2: Medium attachment unit: 5 Mbit/s, voltage-mode, coaxial wire medium
220	Figure 77 – Components of 5 Mbit/s, voltage-mode, coaxial wire PhL variant Figure 78 – Coaxial wire MAU block diagram
221	Figure 79 – Coaxial wire MAU transmitter Table 83 – Transmit control line definitions 5 Mbit/s, voltage-mode, coaxial wire
222	Figure 80 – Coaxial wire MAU receiver operation Table 84 – Receiver data output definitions: 5 Mbit/s, voltage-mode, coaxial wire Table 85 – Receiver carrier output definitions: 5 Mbit/s, voltage-mode, coaxial wire
223	Figure 81 – Coaxial wire MAU transmit mask Table 86 – Coaxial wire medium interface – transmit specifications
224	Figure 82 – Coaxial wire MAU receive mask Table 87 – Coaxial wire medium interface – receive
225	Figure 83 – Transformer symbol Table 88 – Coaxial wire medium interface – general
226	Table 89 – 5 Mbit/s, voltage-mode, coaxial wire transformer electrical specifications
227	Figure 84 – 5 Mbit/s, voltage-mode, coaxial wire topology example
228	Figure 85 – Coaxial wire medium topology limits
229	Figure 86 – Coaxial wire medium tap electrical characteristics
230	Table 90 – Coaxial spur cable specifications Table 91 – Coaxial trunk cable specifications
231	19 Type 2: Medium attachment unit: 5 Mbit/s, optical medium
232	Figure 87 – MAU block diagram 5 Mbit/s, optical fiber medium Table 92 – Transmit control line definitions 5 Mbit/s, optical fiber medium Table 93 – Fiber medium interface 5,0 Mbit/s, optical
233	Table 94 – Fiber signal specification 5 Mbit/s, optical medium, short range
234	Table 95 – Fiber signal specification 5 Mbit/s, optical medium, medium range
235	Table 96 – Fiber signal specification 5 Mbit/s, optical medium, long range
236	20 Type 2: Medium attachment unit: network access port (NAP) Figure 88 – NAP reference model
237	Figure 89 – Example of transient and permanent nodes Table 97 – NAP requirements
238	Figure 90 – NAP transceiver
239	21 Type 3: Medium attachment unit: synchronous transmission, 31,25 kbit/s, voltage mode, wire medium Figure 91 – NAP cable
240	Table 98 – Mixing devices from different categories
243	Table 99 – Input Impedances of bus interfaces and power supplies
244	Figure 92 – Circuit diagram of the principle of measuring impedance
245	Figure 93 – Definition of CMRR Figure 94 – Block circuit diagram of the principle of measuring CMRR
246	Table 100 – Required CMRR Table 101 – Network powered device characteristics for the 31,25 kbit/s voltage-mode MAU
247	Table 102 – Network power supply requirements for the 31,25 kbit/s voltage-mode MAU
248	Figure 95 – Power supply ripple and noise
252	Table 103 – Electrical characteristics of fieldbus interfaces
253	Table 104 – Electrical characteristics of power supplies
255	Figure 96 – Output characteristic curve of a power supply of the category EEx ib Figure 97 – Output characteristic curve of a power supply of the category EEx ia
256	22 Type 3: Medium attachment unit: asynchronous transmission, wire medium
257	Table 105 – Characteristics for non intrinsic safety Table 106 – Characteristics using repeaters
258	Figure 98 – Repeater in linear bus topology Figure 99 – Repeater in tree topology
259	Table 107 – Cable specifications Table 108 – Maximum cable length for the different transmission speeds
260	Figure 100 – Example for a connector with integrated inductance Figure 101 – Interconnecting wiring
261	Figure 102 – Bus terminator
262	Table 109 – Characteristics for intrinsic safety
263	Figure 103 – Linear structure of an intrinsically safe segment
264	Figure 104 – Topology example extended by repeaters
265	Table 110 – Cable specification (function- and safety-related) Table 111 – Maximum cable length for the different transmission speeds
267	Figure 106 – Waveform of the differential voltage
268	Table 112 – Electrical characteristics of the intrinsically safe interface
269	Figure 107 – Test set-up for the measurement of the idle level for devices with an integrated termination resistor Figure 108 – Test set-up for the measurement of the idle level for devices with a connectable termination resistor
270	Figure 109 – Test set-up for measurement of the transmission levels Figure 110 – Test set-up for the measurement of the receiving levels
271	Figure 111 – Fieldbus model for intrinsic safety Figure 112 – Communication device model for intrinsic safety
272	Table 113 – Maximum safety values
273	23 Type 3: Medium attachment unit: asynchronous transmission, optical medium Table 114 – Characteristic features
274	Figure 113 – Connection to the optical network
275	Figure 114 – Principle structure of optical networking Figure 115 – Definition of the standard optical link
276	Table 115 – Characteristics of optical transmitters for multi-mode glass fiber
277	Table 116 – Characteristics of optical transmitters for single-mode glass fiber Table 117 – Characteristics of optical transmitters for plastic fiber Table 118 – Characteristics of optical transmitters for 200/230 μm glass fiber
278	Table 119 – Characteristics of optical receivers for multi-mode glass fiber Table 120 – Characteristics of optical receivers for single-mode glass fiber Table 121 – Characteristics of optical receivers for plastic fiber
279	Table 122 – Characteristics of optical receivers for 200/230 m glass fiber Table 123 – Permissible signal distortion at the electrical input of the optical transmitter
280	Figure 116 – Signal template for the optical transmitter Table 124 – Permissible signal distortion due to the optical transmitter
281	Table 125 – Permissible signal distortion due to the optical receiver Table 126 – Permissible signal influence due to internal electronic circuits of a coupling component
282	24 Type 4: Medium attachment unit: RS 485 Table 127 – Maximum chaining of standard optical links without retiming
283	Table 128 – Services of the MDS-MAU interface, RS 485, Type 4
284	25 Type 4: Medium attachment unit: RS 232 Figure 117 – Recommended interface circuit
285	26 Type 6: This clause has been removed 27 Type 8: Medium attachment unit: twisted-pair wire medium Figure 118 – MAU of an outgoing interface Table 129 – Services of the MDS-MAU interface, RS 232, Type 4
286	Figure 119 – MAU of an incoming interface Figure 120 – Remote bus link Table 130 – Bit rate dependent quantities twisted pair wire medium MAU
287	Figure 121 – Interface to the transmission medium Table 131 – Incoming interface signals
288	Table 132 – Outgoing interface signals
289	Table 133 – Remote bus cable characteristics
290	28 Type 8: Medium attachment unit: optical media Figure 122 – Wiring Figure 123 – Terminal resistor network
291	Figure 124 – Fiber optic remote bus cable Figure 125 – Optical fiber remote bus link Table 134 – Bit rate dependent quantities optical MAU
292	Table 135 – Remote bus fiber optic cable length Table 136 – Encoding rules Table 137 – Transmit level and spectral specification summary for an optical MAU
293	Figure 126 – Optical wave shape template optical MAU
294	Table 138 – Optical MAU receive circuit specification summary Table 139 – Specification of the fiber optic waveguide
295	Table 140 – Specification of the single fiber Table 141 – Specification of the cable sheath and mechanical properties of the cable Table 142 – Recommended further material properties of the cable
296	Table 143 – Specification of the fiber optic waveguide Table 144 – Specification of the single fiber Table 145 – Specification of the cable sheath and mechanical properties of the cable
297	29 Type 12: Medium attachment unit: electrical medium Table 146 – Specification of the standard test fiber for an optical MAU
299	30 Type 16: Medium attachment unit: optical fiber medium at 2, 4, 8 and 16 Mbit/s Figure 127 – Optical transmission line
301	Figure 128 – Optical signal envelope
302	Figure 129 – Display of jitter (Jnoise) Table 147 – Transmission rate support
303	Table 148 – Transmission data parameters
304	Figure 130 – Input-output performance of a slave
305	Table 149 – Possible slave input signals Table 150 – Possible slave output signals
306	Table 151 – Valid slave output signals Table 152 – Specifications of the clock adjustment times Table 153 – Optical signal delay in a slave
307	Figure 131 – Functions of a master connection Table 154 – Basic functions of the connection
309	Figure 132 – Valid transmitting signals during the transition from fill signal to telegram delimiters
310	Figure 133 – Valid transmitting signals during the transition from telegram delimiter to fill signal
311	Figure 134 – Functions of a slave connection
312	31 Type 18: Medium attachment unit: basic medium Figure 135 – Network with two slaves
313	Figure 136 – Minimum interconnecting wiring
314	Figure 137 – Dedicated cable topology Figure 138 – T-branch topology Table 155 – Pass-through topology limits
315	Table 156 – T-branch topology limits Table 157 – Terminating resistor requirements
316	32 Type 18: Medium attachment unit: powered medium Figure 139 – Communication element isolation Figure 140 – Communication element and I/O isolation
317	Figure 141 – Minimum interconnecting wiring
318	Figure 142 – Flat cable topology Figure 143 – Dedicated cable topology Figure 144 – T-branch topology
319	Table 158 – Pass-through topology limits Table 159 – T-branch topology limits
320	Table 160 – Terminating resistor requirements – flat cable Table 161 – Terminating resistor requirements – round cable
321	Figure 145 – Type 18-PhL-P power distribution Figure 146 – Type 18-PhL-P power distribution Table 162 – 24 V Power supply specifications
322	Table 163 – 24V Power consumption specifications
323	Figure 147 – Type 18-PhL-P power supply filtering and protection Figure 148 – Communication element isolation Figure 149 – Communication element and i/o isolation
324	Figure 150 – PhL-P power supply circuit
325	Annexes Annex A (normative) Type 1: Connector specification Figure A.1 – Internal fieldbus connector Table A.1 – Internal connector dimensions
326	Table A.2 – Contact assignments for the external connector for harsh industrial environments
327	Figure A.2 – Contact designations for the external connector for harsh industrial environments Figure A.3 – External fieldbus connector keyways, keys, and bayonet pins and grooves
328	Figure A.4 – External fieldbus connector intermateability dimensions
329	Figure A.5 – External fieldbus connector contact arrangement
330	Figure A.6 – Contact designations for the external connector for typical industrial environments Figure A.7 – External fixed (device) side connector for typical industrial environments: dimensions Table A.3 – Contact assignments for the external connector for typical industrial environments Table A.4 – Fixed (device) side connector dimensions
331	Figure A.8 – External free (cable) side connector for typical industrial environments: dimensions Figure A.9 – Optical connector for typical industrial environments (FC connector) Table A.5 – Free (cable) side connector dimensions
332	Figure A.10 – Optical connector for typical industrial environments (ST connector) Table A.6 – Connector dimensions
333	Annex B (informative) Types 1 and 3: Cable specifications and trunk and spur lengths for the 31,25 kbit/s voltage-mode MAU Table B.1 – Typical cable specifications
334	Table B.2 – Recommended maximum spur lengths versus number of communication elements
335	Annex C (informative) Types 1 and 7: Optical passive stars Figure C.1 – Example of an optical passive reflective star Figure C.2 – Example of an optical passive transmitive star Table C.1 – Optical passive star specification summary: example
336	Annex D (informative) Types 1 and 7: Star topology Figure D.1 – Example of star topology with 31,25 kbit/s, single fiber mode, optical MAU Figure D.2 – Multi-star topology with an optical MAU
337	Table D.1 – Passive star topology
338	Figure D.3 – Example of mixture between wire and optical media for a 31,25 kbit/s bit rate Table D.2 – Active star topology
339	Figure D.4 – Example of mixture between wire and optical media
340	Annex E (informative) Type 1: Alternate fibers Table E.1 – Alternate fibers for dual-fiber mode Table E.2 – Alternate fibers for single-fiber mode
341	Annex F (normative) Type 2: Connector specification Table F.1 – Connector requirements
342	Figure F.1 – Pin connector for short range optical medium Figure F.2 – Crimp ring for short range optical medium
343	Table F.2 – NAP connector pin definition
344	Annex G (normative) Type 2: Repeater machine sublayers (RM, RRM) and redundant PhLs Figure G.1 – PhL repeater device reference model
347	Figure G.2 – Reference model for redundancy
348	Figure G.3 – Block diagram showing redundant coaxial medium and NAP
349	Figure G.4 – Block diagram showing ring repeaters
350	Figure G.5 – Segmentation query Figure G.6 – Segmentation response
352	Figure G.7 – Main switch state machine
353	Figure G.8 – Port 1 sees network activity first
354	Figure G.9 – Port 2 sees network activity first
355	Annex H (informative) Type 2: Reference design examples
356	Figure H.1 – Coaxial wire MAU RxData detector Table H.1 – 5 Mbit/s, voltage-mode, coaxial wire receiver output definitions
357	Figure H.2 – Coaxial wire MAU RxCarrier detection Figure H.3 – Redundant coaxial wire MAU transceiver
358	Figure H.4 – Single channel coaxial wire MAU transceiver
359	Figure H.5 – Coaxial wire medium tap Table H.2 – Coaxial wire medium toroid specification
360	Figure H.6 – Non-isolated NAP transceiver Figure H.7 – Isolated NAP transceiver
361	Annex I (normative) Type 3: Connector specification Figure I.1 – Schematic of the station coupler Table I.1 – Contact assignments for the external connector for harsh industrial environments
362	Figure I.2 – Pin assignment of the male and female connectors IEC 60947 5 2 (A coding)
363	Figure I.3 – Connector pinout, front view of male and back view of female respectively Table I.2 – Contact designations
364	Table I.3 – Contact designations Table I.4 – Contact designations
365	Figure I.4 – Connector pinout, front view of female M12 connector Figure I.5 – Connector pinout, front view of male M12 connector
366	Figure I.6 – M12 Tee
367	Figure I.7 – M12 Bus termination
368	Annex J (normative) Type 3: Redundancy of PhL and medium Figure J.1 – Redundancy of PhL MAU and Medium
369	Annex K (normative) Type 3: Optical network topology Figure K.1 – Optical MAU in a network with echo
370	Figure K.2 – Optical MAU in a network without echo Figure K.3 – Optical MAU with echo via internal electrical feedback of the receive signal Figure K.4 – Optical MAU without echo function
371	Figure K.5 – Optical network with star topology
372	Figure K.6 – Optical network with ring topology Figure K.7 – Optical network with bus topology
373	Figure K.8 – Tree structure built from a combination of star structures Figure K.9 – Application example for an ANSI TIA/EIA-485-A / fiber optic converter
375	Table K.1 – Example of a link budget calculation for 62,5/125 μm multi-mode glass fiber
376	Table K.2 – Example of a link budget calculation for 9/125 μm single mode glass fiber Table K.3 – Example of a link budget calculation for 980/1 000 μm multi-mode plastic fiber
377	Table K.4 – Example of a level budget calculation for 200/230 μm multi-mode glass fiber
378	Annex L (informative) Type 3: Reference design examples for asynchronous transmission, wire medium, intrinsically safe Figure L.1 – Bus termination integrated in the communication device
379	Figure L.2 – Bus termination in the connector Figure L.3 – External bus termination
380	Annex M (normative) Type 8: Connector specification Figure M.1 – Outgoing interface 9-position female subminiature D connector at the device Figure M.2 – Incoming interface 9-position male subminiature D connector at the device Figure M.3 – Terminal connector at the device Table M.1 – Pin assignment of the 9-position subminiature D connector
381	Figure M.4 – Ferrule of an optical F-SMA connector for polymer optical fiber (980/1 000 m) Table M.2 – Pin assignment of the terminal connector
382	Figure M.5 – Type 8 fiber optic hybrid connector housing
383	Figure M.6 – Type 8 fiber optic hybrid connector assignment
384	Table M.3 – Type 8 fiber optic hybrid connector dimensions
385	Annex N (normative) Type 16: Connector specification
386	Annex O (normative) Type 16: Optical network topology Figure O.1 – Topology
388	Table O.1 – Transmitter specifications Table O.2 – Receiver specifications
389	Figure O.2 – Structure of a single-core cable (example) Table O.3 – Cable specifications (example)
390	Figure O.3 – Optical power levels Table O.4 – System data of the optical transmission line at 650 nm
391	Annex P (informative) Type 16: Reference design example
392	Figure P.1 – Example of an implemented DPLL
393	Figure P.2 – DPLL status diagram Figure P.3 – DPLL timing
395	Annex Q (normative) Type 18: Connector specification Figure Q.1 – PhL-P device connector r-a
396	Figure Q.2 – PhL-P device connector straight Figure Q.3 – PhL-P flat cable connector and terminal cover – body and connector
397	Figure Q.4 – PhL-P flat cable connector and terminal cover – terminal cover Figure Q.5 – Type 18-PhL-P round cable connector body
398	Figure Q.6 – Type 18-PhL-P round cable connector terminal cover Figure Q.7 – Type 18-PhL-P round cable alternate connector and body
399	Figure Q.8 – Type 18-PhL-P round cable alternate connector terminal cover
400	Annex R (normative) Type 18: Media cable specifications Figure R.1 – PhL-B cable cross section twisted drain Table R.1 – PhL-B cable specifications
401	Figure R.2 – PhL-B cable cross section non twisted drain Table R.2 – PhL-P flat cable specifications
402	Figure R.3 – PhL-P flat cable cross section with key Figure R.4 – PhL-P flat cable cross section without key Figure R.5 – PhL-P flat cable polarity marking Table R.3 – PhL-P round cable specifications – preferred
403	Figure R.6 – Round cable – preferred; cross section Figure R.7 – Round cable – alternate; cross-section Table R.4 – PhL-P round cable specifications – alternate
404	Bibliography

Published By	Publication Date	Number of Pages
BSI	2010	408


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Status	Withdrawn
Title	Industrial communication networks. Fieldbus specifications – Physical layer specification and service definition
Replaces	BS EN 61158-2:2008, BS EN 61158-2:2008
Publisher	BSI
Committee	GEL/65/3
Pages	408
Publication Date	2010-10-31
Withdrawn Date	2014-10-31
Replaced By	BS EN 61158-2:2014
ISBN	978 0 580 68131 8
Standard Number	BS EN 61158-2:2010
Identical National Standard Of	IEC 61158-2:2010, EN 61158-2:2010, IEC TR 62970:2016
Descriptors	Physical layer (OSI), Bus networks, Data transmission, Industrial, Process control, Computer networks, Open systems interconnection, Coding (data conversion), Communication networks, Fieldbus, Automatic control systems, Communication procedures, Interfaces (data processing)
ICS Codes	35.100.20 - Data link layer