{"id":244293,"date":"2024-10-19T16:02:49","date_gmt":"2024-10-19T16:02:49","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-61158-4-32014\/"},"modified":"2024-10-25T11:01:46","modified_gmt":"2024-10-25T11:01:46","slug":"bs-en-61158-4-32014","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-61158-4-32014\/","title":{"rendered":"BS EN 61158-4-3:2014"},"content":{"rendered":"

1.1 General<\/b><\/p>\n

The data-link layer provides basic time-critical messaging communications between devices in an automation environment.<\/p>\n

This protocol provides communication opportunities to a pre-selected \u201cmaster\u201d subset of data-link entities in a cyclic asynchronous manner, sequentially to each of those data-link entities. Other data-link entities communicate only as permitted and delegated by those master data-link entities.<\/p>\n

For a given master, its communications with other data-link entities can be cyclic, or acyclic with prioritized access, or a combination of the two.<\/p>\n

This protocol provides a means of sharing the available communication resources in a fair manner. There are provisions for time synchronization and for isochronous operation.<\/p>\n

1.2 Specifications<\/b><\/p>\n

This standard specifies<\/p>\n

    \n
  1. \n

    procedures for the timely transfer of data and control information from one data-link user entity to a peer user entity, and among the data-link entities forming the distributed data-link service provider;<\/p>\n<\/li>\n

  2. \n

    the structure of the fieldbus DLPDUs used for the transfer of data and control information by the protocol of this standard, and their representation as physical interface data units.<\/p>\n<\/li>\n<\/ol>\n

    1.3 Procedures<\/b><\/p>\n

    The procedures are defined in terms of<\/p>\n

      \n
    1. \n

      the interactions between peer DL-entities (DLEs) through the exchange of fieldbus DLPDUs;<\/p>\n<\/li>\n

    2. \n

      the interactions between a DL-service (DLS) provider and a DLS-user in the same system through the exchange of DLS primitives;<\/p>\n<\/li>\n

    3. \n

      the interactions between a DLS-provider and a Ph-service provider in the same system through the exchange of Ph-service primitives.<\/p>\n<\/li>\n<\/ol>\n

      1.4 Applicability<\/b><\/p>\n

      These procedures are applicable to instances of communication between systems which support time-critical communications services within the data-link layer of the OSI or fieldbus reference models, and which require the ability to interconnect in an open systems interconnection environment.<\/p>\n

      Profiles provide a simple multi-attribute means of summarizing an implementation\u2019s capabilities, and thus its applicability to various time-critical communications needs.<\/p>\n

      1.5 Conformance<\/b><\/p>\n

      This standard also specifies conformance requirements for systems implementing these procedures. This standard does not contain tests to demonstrate compliance with such requirements.<\/p>\n

      PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
      6<\/td>\nEnglish
      \n
      CONTENTS <\/td>\n<\/tr>\n
      10<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
      11<\/td>\n1 Scope
      1.1 General
      1.2 Specifications
      1.3 Procedures
      1.4 Applicability <\/td>\n<\/tr>\n
      12<\/td>\n1.5 Conformance
      2 Normative references
      3 Terms, definitions, symbols and abbreviations
      3.1 Reference model terms and definitions <\/td>\n<\/tr>\n
      14<\/td>\n3.2 Service convention terms and definitions <\/td>\n<\/tr>\n
      15<\/td>\n3.3 Common terms and definitions <\/td>\n<\/tr>\n
      16<\/td>\nFigures
      \n
      Figure 1 \u2013 Relationships of DLSAPs, DLSAP-addresses and group DLaddresses <\/td>\n<\/tr>\n
      17<\/td>\n3.4 Additional Type 3 definitions <\/td>\n<\/tr>\n
      19<\/td>\n3.5 Common symbols and abbreviations <\/td>\n<\/tr>\n
      20<\/td>\n3.6 Type 3 symbols and abbreviations <\/td>\n<\/tr>\n
      24<\/td>\n4 Common DLprotocol elements
      4.1 Frame check sequence <\/td>\n<\/tr>\n
      25<\/td>\nTables
      \n
      Table 1 \u2013 FCS length, polynomials and constants by Type\u00a03 synchronous <\/td>\n<\/tr>\n
      27<\/td>\n5 Overview of the DLprotocol
      5.1 General
      5.2 Overview of the medium access control and transmission protocol
      Table 2 \u2013 Characteristic features of the fieldbus data-link protocol <\/td>\n<\/tr>\n
      28<\/td>\n5.3 Transmission modes and DLentity <\/td>\n<\/tr>\n
      30<\/td>\nFigure 2 \u2013 Logical token-passing ring <\/td>\n<\/tr>\n
      33<\/td>\n5.4 Service assumed from the PhL <\/td>\n<\/tr>\n
      34<\/td>\nFigure 3 \u2013 PhL data service for asynchronous transmission <\/td>\n<\/tr>\n
      37<\/td>\n5.5 Operational elements <\/td>\n<\/tr>\n
      39<\/td>\nFigure 4 \u2013 Idle time TID1 <\/td>\n<\/tr>\n
      40<\/td>\nFigure 5 \u2013 Idle time TID2 (SDN, CS)
      Figure 6 \u2013 Idle time TID2 (MSRD) <\/td>\n<\/tr>\n
      41<\/td>\nFigure 7 \u2013 Slot time TSL1
      Figure 8 \u2013 Slot time TSL2 <\/td>\n<\/tr>\n
      46<\/td>\nFigure 9 \u2013 Slot time TSL1
      Figure 10 \u2013 Slot time TSL2 <\/td>\n<\/tr>\n
      52<\/td>\n5.6 Cycle and system reaction times
      Figure 11 \u2013 Token transfer period <\/td>\n<\/tr>\n
      53<\/td>\nFigure 12 \u2013 Message transfer period <\/td>\n<\/tr>\n
      55<\/td>\n6 General structure and encoding of DLPDUs, and related elements of procedure
      6.1 DLPDU granularity
      Figure 13 \u2013 UART character <\/td>\n<\/tr>\n
      56<\/td>\n6.2 Length octet (LE, LEr)
      6.3 Address octet
      Figure 14 \u2013 Octet structure
      Figure 15 \u2013 Length octet coding <\/td>\n<\/tr>\n
      57<\/td>\nFigure 16 \u2013 Address octet coding <\/td>\n<\/tr>\n
      58<\/td>\nFigure 17 \u2013 DAE\/SAE octet in the DLPDU
      Figure 18 \u2013 Address extension octet <\/td>\n<\/tr>\n
      59<\/td>\n6.4 Control octet (FC) <\/td>\n<\/tr>\n
      60<\/td>\nFigure 19 \u2013 FC octet coding for send\/request DLPDUs
      Figure 20 \u2013 FC octet coding for acknowledgement or response DLPDUs <\/td>\n<\/tr>\n
      61<\/td>\nTable 3 \u2013 Transmission function code <\/td>\n<\/tr>\n
      62<\/td>\nTable 4 \u2013 FCB, FCV in responder <\/td>\n<\/tr>\n
      63<\/td>\n6.5 DLPDU content error detection
      6.6 DATA_UNIT
      Figure 21 \u2013 FCS octet coding <\/td>\n<\/tr>\n
      64<\/td>\n6.7 Error control procedures
      Figure 22 \u2013 Data field
      Figure 23 \u2013 Ident user data <\/td>\n<\/tr>\n
      65<\/td>\n7 DLPDU-specific structure, encoding and elements of procedure
      7.1 DLPDUs of fixed length with no data field <\/td>\n<\/tr>\n
      66<\/td>\nFigure 24 \u2013 DLPDUs of fixed length with no data field <\/td>\n<\/tr>\n
      67<\/td>\n7.2 DLPDUs of fixed length with data field
      Figure 25 \u2013 DLPDUs of fixed length with no data field <\/td>\n<\/tr>\n
      68<\/td>\nFigure 26 \u2013 DLPDUs of fixed length with data field
      Figure 27 \u2013 DLPDUs of fixed length with data field <\/td>\n<\/tr>\n
      69<\/td>\n7.3 DLPDUs with variable data field length
      Figure 28 \u2013 DLPDUs with variable data field length <\/td>\n<\/tr>\n
      70<\/td>\n7.4 Token DLPDU
      Figure 29 \u2013 DLPDUs with variable data field length
      Figure 30 \u2013 Token DLPDU <\/td>\n<\/tr>\n
      71<\/td>\n7.5 ASP DLPDU
      7.6 SYNCH DLPDU
      7.7 Time Event (TE) DLPDU
      Figure 31 \u2013 Token DLPDU <\/td>\n<\/tr>\n
      72<\/td>\n7.8 Clock Value (CV) DLPDU
      7.9 Transmission procedures
      Figure 32 \u2013 Send\/request DLPDU of fixed length with no data <\/td>\n<\/tr>\n
      73<\/td>\nFigure 33 \u2013 Token DLPDU and send\/request DLPDU of fixed length with data
      Figure 34 \u2013 Send\/request DLPDU with variable data field length <\/td>\n<\/tr>\n
      74<\/td>\nFigure 35 \u2013 Send\/request DLPDU of fixed length with no data
      Figure 36 \u2013 Token DLPDU and send\/request DLPDU of fixed length with data <\/td>\n<\/tr>\n
      75<\/td>\n8 Other DLE elements of procedure
      8.1 DLentity initialization
      Figure 37 \u2013 Send\/request DLPDU with variable data field length
      Table 5 \u2013 Operating parameters <\/td>\n<\/tr>\n
      76<\/td>\n8.2 States of the media access control of the DLentity <\/td>\n<\/tr>\n
      77<\/td>\nFigure 38 \u2013 DLstate-diagram <\/td>\n<\/tr>\n
      82<\/td>\n8.3 Clock synchronization protocol <\/td>\n<\/tr>\n
      83<\/td>\nFigure 39 \u2013 Overview of clock synchronization <\/td>\n<\/tr>\n
      84<\/td>\nFigure 40 \u2013 Time master state machine <\/td>\n<\/tr>\n
      85<\/td>\nFigure 41 \u2013 Time receiver state machine <\/td>\n<\/tr>\n
      86<\/td>\nFigure 42 \u2013 Clock synchronization <\/td>\n<\/tr>\n
      87<\/td>\nAnnex\u00a0A (normative)DL-Protocol state machines
      A.1 Overall structure <\/td>\n<\/tr>\n
      88<\/td>\nA.2 Variation of state machines in different devices
      Figure A.1 \u2013 Structuring of the protocol machines <\/td>\n<\/tr>\n
      89<\/td>\nA.3 DL Data Resource
      Table A.1 \u2013 Assignment of state machines <\/td>\n<\/tr>\n
      90<\/td>\nTable A.2 \u2013 Data resource <\/td>\n<\/tr>\n
      93<\/td>\nA.4 FLC \/ DLM
      A.4.1 Primitive definitions
      Table A.3 \u2013 Primitives issued by DLUser to FLC <\/td>\n<\/tr>\n
      94<\/td>\nTable A.4 \u2013 Primitives issued by FLC to DLUser <\/td>\n<\/tr>\n
      96<\/td>\nTable A.5 \u2013 Primitives issued by DLUser to DLM
      Table A.6 \u2013 Primitives issued by DLM to DLUser <\/td>\n<\/tr>\n
      97<\/td>\nTable A.7 \u2013 Parameters used with primitives exchanged between DLUser and FLC
      Table A.8 \u2013 Parameters used with primitives exchanged between DLUser and DLM <\/td>\n<\/tr>\n
      98<\/td>\nA.4.2 State machine description
      Table A.9 \u2013 FLC\/DLM state table <\/td>\n<\/tr>\n
      110<\/td>\nTable A.10 \u2013 FLC \/ DLM function table <\/td>\n<\/tr>\n
      117<\/td>\nA.5 MAC
      A.5.1 Primitive definitions
      A.5.2 State machine description
      Table A.11 \u2013 Primitives issued by DLM to MAC
      Table A.12 \u2013 Primitives issued by MAC to DLM
      Table A.13 \u2013 Parameters used with primitives exchanged between DLM and MAC <\/td>\n<\/tr>\n
      118<\/td>\nTable A.14 \u2013 Local MAC variables <\/td>\n<\/tr>\n
      119<\/td>\nTable A.15 \u2013 MAC state table <\/td>\n<\/tr>\n
      139<\/td>\nTable A.16 \u2013 MAC function table <\/td>\n<\/tr>\n
      143<\/td>\nA.6 SRU
      A.6.1 Overview <\/td>\n<\/tr>\n
      144<\/td>\nA.6.2 Character send SM(CTX)
      Figure A.2 \u2013 Structure of the SRU Machine <\/td>\n<\/tr>\n
      145<\/td>\nA.6.3 Character receive SM (CRX)
      A.6.4 Timer-SM (TIM) <\/td>\n<\/tr>\n
      146<\/td>\nA.6.5 Primitive definition of SRC
      Table A.17 \u2013 Primitives issued by DLM to SRC
      Table A.18 \u2013 Primitives issued by SRC to DLM
      Table A.19 \u2013 Primitives issued by MAC to SRC <\/td>\n<\/tr>\n
      147<\/td>\nA.6.6 State machine description
      Table A.20 \u2013 Primitives issued by SRC to MAC
      Table A.21 \u2013 Parameters used with primitives exchanged between MAC and SRC
      Table A.22 \u2013 FC structure <\/td>\n<\/tr>\n
      148<\/td>\nTable A.23 \u2013 Local variables of SRC <\/td>\n<\/tr>\n
      149<\/td>\nTable A.24 \u2013 SRC state table <\/td>\n<\/tr>\n
      161<\/td>\nTable A.25 \u2013 SRC functions <\/td>\n<\/tr>\n
      162<\/td>\nAnnex\u00a0B (informative)Type\u00a03 (synchronous): exemplary FCS implementations
      Figure B.1 \u2013 Example of FCS generation for Type 3 (synchronous)
      Figure B.2 \u2013 Example of FCS syndrome checking on reception for Type 3 (synchronous) <\/td>\n<\/tr>\n
      164<\/td>\nAnnex\u00a0C (informative)Type\u00a03: Exemplary token procedureand message transfer periods
      C.1 Procedure of token passing <\/td>\n<\/tr>\n
      165<\/td>\nC.2 Examples for token passing procedure
      Figure C.1 \u2013 Derivation of the token holding time (TTH) <\/td>\n<\/tr>\n
      166<\/td>\nFigure C.2 \u2013 No usage of token holding time (TTH) <\/td>\n<\/tr>\n
      167<\/td>\nFigure C.3 \u2013 Usage of token holding time (TTH) for message transfer (equivalence between TTH of each Master station) <\/td>\n<\/tr>\n
      169<\/td>\nFigure C.4 \u2013 Usage of token holding time (TTH) in different working load situations <\/td>\n<\/tr>\n
      170<\/td>\nC.3 Examples for message transfer periods \u2013 asynchronous transmission <\/td>\n<\/tr>\n
      172<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

      Industrial communication networks. Fieldbus specifications – Data-link layer protocol specification. Type 3 elements<\/b><\/p>\n\n\n\n\n
      Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
      BSI<\/b><\/a><\/td>\n2014<\/td>\n174<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":244299,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[670,2641],"product_tag":[],"class_list":{"0":"post-244293","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-35-100-20","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/244293","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/244299"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=244293"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=244293"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=244293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}