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BS EN IEC 61158-4-21:2023 – TC

BS EN IEC 61158-4-21:2023 – TC

$280.87

Tracked Changes. Industrial communication networks. Fieldbus specifications – Data-link layer protocol specification. Type 21 elements

Published By Publication Date Number of Pages
BSI 2023 262
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PDF Catalog

PDF Pages PDF Title
1 30476441
149 A-30473948
150 undefined
153 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
154 CONTENTS
159 FOREWORD
161 INTRODUCTION
162 1 Scope
1.1 General
1.2 Specifications
1.3 Procedures
1.4 Applicability
1.5 Conformance
163 2 Normative references
3 Terms, definitions, symbols and abbreviated terms
3.1 Reference model terms and definitions
165 3.2 Service convention terms and definitions
166 3.3 Common terms and definitions
169 3.4 Additional Type 21 definitions
3.5 Common symbols and abbreviations
170 3.6 Additional Type 21 symbols and abbreviations
4 Overview of the data-link protocol
4.1 General
171 4.2 Overview of medium access control
4.3 Service assumed from the physical layer
Figures
Figure 1 ā€“ Interaction of PhS primitives with DLE
172 4.4 DLL architecture
4.4.1 General
Tables
Table 1 ā€“ DLL components
173 4.4.2 DLL management (DLM) interface support function
Figure 2 ā€“ Data-link layer architecture
174 4.5 Data type
4.5.1 General
4.5.2 Boolean
4.5.3 Unsigned integer
4.5.4 Signed integer
Table 2 ā€“ UNSIGNEDn data type
175 4.5.5 Octet String
4.5.6 Visible String
4.5.7 Time of day
Table 3 ā€“ INTEGERn data type
176 4.6 Local parameters and variables
4.6.1 General
4.6.2 DLE configuration parameters
Table 4 ā€“ DLE configuration parameters
177 4.6.3 Queues to support data transfer
4.6.4 Variables to support SAP management
Table 5 ā€“ Queues to support data transfer
178 Figure 3 ā€“ Relationships of DLSAPs, DLSAPaddresses, and group DLaddresses
Table 6 ā€“ Variables to support SAP management
179 4.6.5 Variables to support local device information management
Table 7 ā€“ Variables to support device information management
Table 8 ā€“ DLā€“entity identifier
180 Table 9 ā€“ Device flags
Table 10 ā€“ DLM state
Table 11 ā€“ Device Unique Identification
181 Table 12 ā€“ Unique identification of device connected to R-port1
Table 13 ā€“ Unique identification of device connected to R-port2
Table 14 ā€“ MAC address
182 Table 15 ā€“ Port information
Table 16 ā€“ Protocol version
183 4.6.6 Variables and counter to support network information management
Table 17 ā€“ Device type
Table 18 ā€“ Device description
Table 19 ā€“ Hop count
184 Table 20 ā€“ Variables to support managing network information
Table 21 ā€“ Topology
Table 22 ā€“ Collision count
185 Table 23 ā€“ Device count
Table 24 ā€“ Topology change count
Table 25 ā€“ Last topology change time
Table 26 ā€“ RNMP device UID
186 Table 27 ā€“ RNMS device UID
Table 28 ā€“ LNM device UID for R-port1
Table 29 ā€“ LNM device UID for R-port2
187 4.6.7 Variables and counter to support a device path information management
Table 30 ā€“ Network flags
188 Table 31 ā€“ Variables and counter to support managing path information
Table 32 ā€“ Hop count for R-port1 direction
189 Table 33 ā€“ Hop count for R-port2 direction
Table 34 ā€“ Preferred R-port
Table 35 ā€“ Destination R-port
190 Table 36 ā€“ In net count
Table 37 ā€“ In net time
191 4.6.8 Variables, counters, timers, and queues to support path table management
5 General structure and encoding
5.1 Overview
5.2 MAPDU structure and encoding
Table 38 ā€“ Out net count
Table 39 ā€“ Out net time
192 5.3 Common MAC frame structure, encoding and elements of procedure
5.3.1 MAC frame structure
5.3.2 Elements of the MAC frame
Figure 4 ā€“ Common MAC frame format for Type 21 DLPDU
Figure 5 ā€“ MAC frame format for other protocols
193 5.3.3 Elements of the Type 21 DLPDU
Figure 6 ā€“ Version and Length field
194 Figure 7 ā€“ DST_addr field
Table 40 ā€“ Version and Length
Table 41 ā€“ Destination DLā€“entity identifier
195 Figure 8 ā€“ SRC_addr field
Figure 9 ā€“ Frame Control Field
Table 42 ā€“ Source DLā€“entity identifier
196 Table 43 ā€“ Frame control
198 Figure 10 ā€“ Extension field
199 Figure 11 ā€“ DSAP field
Table 44 ā€“ Extension
Table 45 ā€“ Destination service access point
200 Figure 12 ā€“ Source service access point field
Figure 13 ā€“ Length of group mask and extension information
Figure 14 ā€“ Group mask option field
Table 46 ā€“ source service access point
201 5.4 Order of bit transmission
5.5 Invalid DLPDU
6 DLPDU structure and procedure
6.1 General
6.2 Common DLPDU Field
6.2.1 General
202 6.2.2 Version
6.2.3 Length
6.3 DLDATA Transfer
6.3.1 DT DLPDU
Figure 15 ā€“ Common DLPDU field
Figure 16 ā€“ Building a DT DLPDU
Figure 17 ā€“ DT DLPDU structure
203 Table 47 ā€“ DT DLPDU parameters
204 Table 48 ā€“ Primitives exchanged between DLSuser and DLE to send a DT DLPDU
205 6.4 DLSPDATA Transfer
6.4.1 SPDT DLPDU
Table 49 ā€“ Primitives exchanged between DLSuser and DLEs to receive a DT DLPDU
206 Figure 18 ā€“ SPDT DLPDU structure
Table 50 ā€“ SPDT DLPDU Parameters
Table 51 ā€“ Primitive exchanged between DLSUser and DLEs to send an SPDT DLPDU
207 6.5 Network control messages
6.5.1 General
6.5.2 NCM_LA DLPDU
Figure 19 ā€“ NCM_LA DLPDU structure
Table 52 ā€“ Primitives exchanged between DLSuser and DLEs to receive an SPDT DLPDU
208 6.5.3 NCM_AT DLPDU
Table 53 ā€“ NCM_LA DLPDU parameters
209 Table 54 ā€“ NCM_AT DLPDU parameters
210 6.5.4 NCM_LS DLPDU
Table 55 ā€“ NCM_LS DLPDU parameters
211 6.5.5 NCM_RS DLPDU
Table 56 ā€“ NCM_RS DLPDU parameters
212 6.5.6 NCM_AR_DLPDU
6.5.7 NCM_AR DLPDU structure
Table 57 ā€“ NCM_AR DLPDU parameters
213 7 DLE elements of procedure
7.1 Overall structure
7.2 DLprotocol machine (DLPM)
7.2.1 Overview
7.2.2 Primitive definitions
Figure 20 ā€“ DLL structure and elements
214 Table 58 ā€“ Primitives exchanged between DLPM and DLSuser
215 Table 59 ā€“ Parameters exchanged between DLPM and DLSuser
216 Table 60 ā€“ Primitives exchanged between DLPM and DLM
217 7.2.3 DLPM state table
Figure 21 ā€“ State transition diagram of the DLPM
Table 61 ā€“ Parameters used with primitives exchanged between DLPM and DLM
218 Table 62 ā€“ DLPM state table
220 7.2.4 DLPM functions
221 Table 63 ā€“ DLPM functions table
222 7.3 DLL management Protocol
7.3.1 Overview
7.3.2 Primitive definitions
223 Table 64 ā€“ Primitives exchanged between DLM and DLSuser
224 Table 65 ā€“ Parameters used with primitives exchanged between DLM and DLSuser
Table 66 ā€“ Primitive exchanged between DLM and DMAC
225 7.3.3 DLM state table
Table 67 ā€“ Parameters used with primitives exchanged between DLM and DMAC
Table 68 ā€“ Primitive exchanged between DLM and DPHY
Table 69 ā€“ Parameters used with primitives exchanged between DLM and DPHY
226 Figure 22 ā€“ State transition diagram of DLM
227 Table 70 ā€“ DLM state table
249 7.3.4 DLM functions
Table 71 ā€“ DLM function table
258 8 Constants and error codes
8.1 General
8.2 Constants
259 Table 72 ā€“ DLL constants
260 8.3 Data-link layer error codes
Table 73 ā€“ Type 21 DLL error codes
261 Bibliography

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BS EN IEC 61158-4-21:2023 - TC
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