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eLibrary > IEC 61158-6-26 Ed. 2.0 en:2023 Industrial communication networks - Fieldbus specifications - Part 6-26: Application layer protocol specification - Type 26 elements >

IEC 61158-6-26 Ed. 2.0 en:2023 Industrial communication networks - Fieldbus specifications - Part 6-26: Application layer protocol specification - Type 26 elements, 2023

CONTENTS
FOREWORD
INTRODUCTION
1 Scope [Go to Page]
1.1 General
1.2 Specifications
1.3 Conformance
2 Normative references
3 Terms, definitions, symbols, abbreviated terms and conventions [Go to Page]
3.1 Terms and definitions from other ISO/IEC standards [Go to Page]
3.1.1 Terms and definitions from ISO/IEC 74981
3.1.2 Terms and definitions from ISO/IEC 8822
3.1.3 Terms and definitions from ISO/IEC 9545
3.1.4 Terms and definitions from ISO/IEC 88241
3.1.5 Terms and definitions from ISO/IEC 88251
3.2 Type 26 specific terms and definitions
3.3 Abbreviated terms and symbols
3.4 Conventions [Go to Page]
3.4.1 Conventions used in state machines
3.4.2 Convention for abstract syntax description
3.4.3 Convention for reserved bits and octets
3.4.4 Conventions for bit description in octets
4 FAL syntax description [Go to Page]
4.1 General
4.2 Overview of Type 26 fieldbus [Go to Page]
4.2.1 Application field and Common-memory
4.2.2 Structure of Type 26 protocol
4.2.3 Structure of Type 26 FAL
4.2.4 Data link layer
4.3 Operating principle [Go to Page]
4.3.1 Overview
4.3.2 Logical ring maintenance
4.3.3 Node addition
4.3.4 Node in a logical ring
4.3.5 Node drop-out
4.3.6 Data transmission
4.3.7 Data transmission frames
4.4 FAL PDU abstract syntax [Go to Page]
4.4.1 Basic abstract syntax
4.4.2 Transparent-msg- PDU
4.4.3 Token-PDU
4.4.4 Participation-req-PDU
4.4.5 Byte-block-read PDUs
4.4.6 Byte-block-write PDUs
4.4.7 Word-block-read PDUs
4.4.8 Word-block-write PDUs
4.4.9 Network-parameter-read PDUs
4.4.10 Network-parameter-write PDUs
4.4.11 Stop-command PDUs
4.4.12 Operation-command PDUs
4.4.13 Profile-read PDUs
4.4.14 Trigger-PDU
4.4.15 Log-data-read PDUs
4.4.16 Log-data-clear PDUs
4.4.17 Message-return PDUs
4.4.18 Vendor-specific-msg PDUs
4.4.19 Start-TK-hld-time-mrmt PDUs
4.4.20 Terminate-TK-hld-time-mrmt PDUs
4.4.21 Start-GP_Comm-sndr-log PDUs
4.4.22 Terminate-GP_Comm-sndr-log PDUs
4.4.23 Set-remote-node-config-para PDUs
4.4.24 Read-rmt-partici-node-mgt-info-para PDUs
4.4.25 Read-rmt- node-mgt-info-para PDUs
4.4.26 Read-rmt-node-set-info-para PDUs
4.4.27 Reset-node PDUs
4.4.28 Cyclic-data PDUs
4.4.29 Extended-prticiption-req-PDU
4.4.30 Extended-network-parameter-read PDUs
4.4.31 Extended-network-parameter-write PDUs
4.5 Data type assignments
5 Transfer syntax [Go to Page]
5.1 Encoding rules [Go to Page]
5.1.1 Basic encoding
5.1.2 Fixed length Unsigned encoding
5.1.3 Fixed length BitString encoding
5.1.4 OctetString encoding
5.1.5 SEQUENCE encoding
5.2 PDU elements encoding [Go to Page]
5.2.1 FALARHeader
5.2.2 Transparent-msg PDU
5.2.3 Token-PDU
5.2.4 Participation-req-PDU
5.2.5 Byte-block-read PDUs
5.2.6 Byte-block-write PDUs
5.2.7 Word-block-read PDUs
5.2.8 Word-block-write PDUs
5.2.9 Network-parameter-read PDUs
5.2.10 Network-parameter-write PDUs
5.2.11 Stop-command PDUs
5.2.12 Operation-command PDUs
5.2.13 Profile-read PDUs
5.2.14 Trigger-PDU
5.2.15 Log-data-read PDUs
5.2.16 Log-data-clear PDUs
5.2.17 Message-return PDUs
5.2.18 Vendor-specific-msg PDUs
5.2.19 Start-TK-hld-time-mrmt PDUs
5.2.20 Terminate-TK-hld-time-mrmt PDUs
5.2.21 Start-GP_Comm-sndr-log PDUs
5.2.22 Terminate-GP_Comm-sndr-log PDUs
5.2.23 Set-remote-node-config-para PDUs
5.2.24 Read-rmt-partici-node-mgt-info-para PDUs
5.2.25 Read-rmt- node-mgt-info-para PDUs
5.2.26 Read-rmt-node-set-info-para PDUs
5.2.27 Reset-node PDUs
5.2.28 Cyclic-data PDUs
5.2.29 Extended-participation-request PDU
5.2.30 Extended-network-parameter-read PDUs
5.2.31 Extended-network-parameter-write PDUs
6 FAL protocol state machines structure [Go to Page]
6.1 Overview
6.2 Common variables, parameters, timers, counters, lists and queues [Go to Page]
6.2.1 V(3CWT), P(3CWT), T(3CWT): Three-lap-time-period-of-the-token-circulation
6.2.2 V(ACK): ACK received
6.2.3 V(ACK_TN): ACK to this node
6.2.4 V(AWT), P(AWT), T(AWT): Waiting-time-period-for-receiving-message-acknowledge
6.2.5 V(CBN): Current fragment number for fragmented cyclic-data transmission
6.2.6 V(CTFG): Cyclic-data fragment transfer
6.2.7 V(CTRen), P (CTRen): Cyclic-data on CM1 and CM2 receive enable
6.2.8 V(CTRQ): Cyclic-data transfer request
6.2.9 V(ExCTRQ): Cyclic-data of CM3 transfer request
6.2.10 C(ExCT): Cumulative count of extended-cyclic-data transmission
6.2.11 V(ExCTRen), P(ExCTRen): Cyclic-data on CM3 receive enable
6.2.12 V(ExTBN), P(ExTBN): Total fragment number of Cyclic-data on CM3
6.2.13 V(ExTSZ), P(ExTSZ): Total cyclic-data size on CM3
6.2.14 C(MCNT): Cumulative count of message transmission carried over
6.2.15 V(MCV): Message transmission carried over
6.2.16 V(MFT), P(MFT), T(MFT): Allowable-minimum-frame-interval-time
6.2.17 V(MmtCntType): Measurement control type
6.2.18 V(MRVRQ): Message receive request
6.2.19 V(MSRQ): Message transfer request
6.2.20 Q(MSRXQ): Message-RX-Queue
6.2.21 Q(MTXQ): Message-TX-Queue
6.2.22 V(NMTP): No message transmission in previous cycle
6.2.23 V(PAT), P(PAT), T(PAT): Participation-request-frame-acceptance-time
6.2.24 V(PnMgtIF): Participation-node-management-information List
6.2.25 V(PWT), T(PWT): Participation-request-frame-transmission-waiting-time
6.2.26 V(RCT): Allowable-refresh-cycle-time
6.2.27 V(RMT), T(RMT): Refresh-cycle-measurement-time
6.2.28 C(RTX): Retransmission count
6.2.29 V(SEQ): Sequence number value List
6.2.30 V(SN): Successor node
6.2.31 V(SrtMmt): Measurement started
6.2.32 Q(SVRXQ): Server-RX Queue
6.2.33 Q(SVTXQ): Server-TX Queue
6.2.34 V(TBN), P(TBN): Total fragment number of Cyclic-data on CM1 and CM2
6.2.35 V(TDT), P(TDT), T(TDT): Joining-token-detection-time
6.2.36 V(THT), P(THT), T(THT): Token-holding-time
6.2.37 V(TK): Token holding
6.2.38 V(TKH): Token holding node
6.2.39 V(TN): Node identifier number
6.2.40 V(TrWT), T(TrWT): Trigger-frame-transmission-waiting-time
6.2.41 V(TSZ), P(TSZ): Total cyclic-data size on CM1 and CM2
6.2.42 V(TW), P(TW ), T(TW)( ): Token-watchdog-time
6.2.43 V(VSEQ): Version of sequence number value List
6.3 Functions used in state tables
7 FAL service protocol machine (FSPM) [Go to Page]
7.1 Overview
7.2 Cyclic-data protocol machine [Go to Page]
7.2.1 Overview
7.2.2 Cyclic-data primitives between FAL user and FSPM
7.2.3 State table
7.3 Message data protocol machine [Go to Page]
7.3.1 Overview
7.3.2 Message-data primitive between FAL user and FSPM
7.3.3 State table
7.4 Load measurement protocol machine [Go to Page]
7.4.1 Overview
7.4.2 Load measurement primitives between FAL user and FSPM
7.4.3 State table
7.5 General purpose communication server protocol machine [Go to Page]
7.5.1 Overview
7.5.2 GP command server primitives between FAL user and FSPM
7.5.3 State table
7.6 Network management protocol machine [Go to Page]
7.6.1 Overview
7.6.2 Network management primitives
7.6.3 State table
8 Application relationship protocol machine (ARPM) [Go to Page]
8.1 Overview
8.2 Cyclic-TX/RX control [Go to Page]
8.2.1 Overview
8.2.2 Cyclic-TX/RX control primitives between FSPM and ARPM
8.2.3 State table
8.3 Message-TX/RX control [Go to Page]
8.3.1 Overview
8.3.2 Message-TX/RX control primitives between FSPM and ARPM
8.3.3 State table
8.4 Command server TX/RX control [Go to Page]
8.4.1 Overview
8.4.2 Command server TX/RX primitives between FSPM and ARPM
8.4.3 State table
8.5 AR control [Go to Page]
8.5.1 Overview
8.5.2 AR control primitives between FSPM and ARPM
8.5.3 State table
9 DLL mapping protocol machine (DMPM) [Go to Page]
9.1 Overview
9.2 Mapping of DMPM service primitives and DLL service primitives
9.3 Mapping DMPM service port to DLSAP
9.4 Mapping of Network address to each node
Bibliography
Figures [Go to Page]
Figure 1 – Bit identification in an octet
Figure 2 – Bit identification in multiple octets (four-octet case)
Figure 3 – Data sharing with the CM
Figure 4 – Protocol stack for Type 26 fieldbus
Figure 5 – The structure of ASEs for Type 26 FAL
Figure 6 – A token circulation on a logical ring
Figure 7 – Logical ring recovery
Figure 8 – An example in case of start simultaneously with another node
Figure 9 – Start alone case
Figure 10 – Node addition: in-ring start-up state
Figure 11 – Data sharing with the CM
Figure 12 – Configuration of the Common-memory
Figure 13 – Example of train of multiple extended-cyclic-data frames
Figure 14 – APDUs of cyclic-data frames containing fragmented data
Figure 15 – Example of sequential diagram of ACK over UDP channel
Figure 16 – Delivery confirmation checked by TCP protocol
Figure 17 – Train of data frames and a token frame
Figure 18 – Frame structure
Figure 19 – Structure of Trans-msgData
Figure 20 – Structure of B_Blk_Rd_rspData with M_RLT = 0
Figure 21 – Structure of B_Blk_Rd_rspData in case of M_RLT = 1
Figure 22 – Structure of B_Blk_Wt_reqDat
Figure 23 – Structure of B_Blk_Wt_rspData in case of M_RLT = 1
Figure 24 – Structure of W_Blk_Rd_rspData with M_RLT = 0
Figure 25 – Structure of W_Blk_Rd_rspData in case of M_RLT = 1
Figure 26 – Structure of W_Blk_Wt_reqDat
Figure 27 – Structure of W_Blk_Wt_rspData in case of M_RLT = 1
Figure 28 – Structure of Net-para-Rd-rspData with M_RLT = 0
Figure 29 – Structure of Net-para-Rd-rspData with M_RLT = 1
Figure 30 – Structure of Net-para-Wrt-reqData
Figure 31 – Structure of Net-para-Wrt-rspData with M_RLT = 1
Figure 32 – Structure of Stop-cmdData with M_RLT = 1
Figure 33 – Structure of Op-cmdData with M_RLT = 1
Figure 34 – Structure of Profile-readData with M_RLT = 0
Figure 35 – Structure of Profile-readData with M_RLT = 1
Figure 36 – Structure of Log-readData with M_RLT = 0
Figure 37 – Structure of Log-readData with M_RLT = 1
Figure 38 – Structure of Log-clearData
Figure 39 – Structure of Msg-return-reqData
Figure 40 – Structure of Msg-return-rspData
Figure 41 – Structure of V_msg_reqData
Figure 42 – Structure of V_msg_rspData in case of M_RLT = 0
Figure 43 – Structure of V_msg_rspData in case of M_RLT = 1
Figure 44 – Token-holding-time measurement result
Figure 45 – Structure of Sndr-logData
Figure 46 – Structure of Set-remote-node-config-para-ReqData
Figure 47 – Structure of Set-remote-node-config-para-RspData
Figure 48 – Structure of Read-rmt-partici-node-mgt-info-ReqData
Figure 49 – Structure of Read-rmt-partici-node-mgt-info-RspData
Figure 50 – Structure of Rmt-node-mgt-info-paraData
Figure 51 – Structure of Set-info-para-read-data
Figure 52 – Structure of ACKdata
Figure 53 – Structure of Ex-Net-para-Rd-rspData with M_RLT = 0
Figure 54 – Structure of Ex-Net-para-Rd-rspData with M_RLT = 1
Figure 55 – Structure of Ex-Net-para-Wrt-reqData
Figure 56 – Structure of Ex-Net-para-Wrt-rspData with M_RLT = 1
Figure 57 – Relationship between FAL protocol machines
Figure 58 – Overall structure of FSPM
Figure 59 – State transition diagram of Cyclic-data protocol machine
Figure 60 – State transition diagram of Message-data protocol machine
Figure 61 – State transition diagram of Load measurement protocol machine
Figure 62 – State transition diagram of GP-command-server protocol machine
Figure 63 – State transition diagram of Network management protocol machine
Figure 64 – Overall structure of ARPM
Figure 65 – State transition diagram of Cyclic-TX/RX control
Figure 66 – State transition diagram of Message-TX/RX control
Figure 67 – State transition diagram of Command server TX/RX protocol machine
Figure 68 – Overall state transition diagram of AR control protocol machine
Figure 69 – State transition diagram for message-data transmission
Figure 70 – State transition diagram for ACK creation and message-data reception
Figure 71 – Overall structure of DMPM
Figure 72 – DLSAP mapping
Figure 73 – Structure of IP address
Tables [Go to Page]
Table 1 – Conventions used for state machines
Table 2 – Conventions used in state machine
Table 3 – Available functions to message-data transfer on UDP channel
Table 4 – Data transmission frame and the TCD value
Table 5 – Upper layer operating condition matrix
Table 6 – Transparent-msg-PDU specific values
Table 7 – Token-PDU specific values
Table 8 – Participation-req -PDU specific values
Table 9 – Byte-block-read-req-PDU specific values
Table 10 – Byte-block-read-rsp-PDU specific values
Table 11 – Byte-block-write-req-PDU specific values
Table 12 – Byte-block-write-rsp-PDU specific values
Table 13 – Word-block-read-req-PDU specific values
Table 14 – Word-block-read-rsp-PDU specific values
Table 15 – Word-block-write-req-PDU specific values
Table 16 – Word-block-write-rsp-PDU specific values
Table 17 – Network-parameter-read-req-PDU specific values
Table 18 – Network-parameter-read-rsp-PDU specific values
Table 19 – Values of data elements of Net-para-Rd-rspData
Table 20 – Network-parameter-write-req-PDU specific values
Table 21 – Network-parameter-write-rsp-PDU specific values
Table 22 – Values of the data elements of Net-para-Wrt-reqData
Table 23 – Stop-command-req-PDU specific values
Table 24 – Stop-command-rsp-PDU specific values
Table 25 – Operation-command-req-PDU specific values
Table 26 – Operation-command-rsp-PDU specific values
Table 27 – Profile-read-req-PDU specific values
Table 28 – Profile-read-rsp-PDU specific values
Table 29 – Trigger-PDU specific values
Table 30 – Log-data-read-req-PDU U specific values
Table 31 – Log-data-read-rsp-PDU specific values
Table 32 – Contents of Log-readData
Table 33 – Log-data-clear-req-PDU specific values
Table 34 – Log-data-clear-rsp-PDU specific values
Table 35 – Message-return-req-PDU specific values
Table 36 – Message-return-rsp-PDU specific values
Table 37 – Vendor-specific-msg-req-PDU specific values
Table 38 – Vendor-specific-msg-rsp-PDU specific values
Table 39 – Start-TK-hld-time-mrmt-req-PDU specific values
Table 40 – Start-TK-hld-time-mrmt-rsp-PDU specific values
Table 41 – Terminate-TK-hld-time-mrmt-req-PDU specific values
Table 42 – Terminate-TK-hld-time-mrmt-rsp-PDU specific values
Table 43 – Value of the data element of TK-hld-timeData
Table 44 – Start-GP_Comm-sndr-log-req-PDU specific values
Table 45 – Start-GP_Comm-sndr-log-rsp-PDU specific values
Table 46 – Terminate-GP_Comm-sndr-log-req-PDU specific values
Table 47 – Terminate-GP_Comm-sndr-log-req-PDU specific values
Table 48 – Value of the data element of Sndr-logData
Table 49 – Set-remote-node-config-para-req-PDU specific values
Table 50 – Set-remote-node-config-para-rsp-PDU specific values
Table 51 – Value of the data element of Set-remote-node-config-para-ReqData
Table 52 – Bit definition of Update flag
Table 53 – Value of the data element of Set-remote-node-config-para-RspData
Table 54 – Read-rmt-partici-node-mgt-info-para-req-PDU specific values
Table 55 – Read-rmt-partici-node-mgt-info-para-rsp-PDU specific values
Table 56 – Value of the data element of Read-rmt-partici-node-mgt-info-RspData
Table 57 – Read-rmt- node-mgt-info-para-req-PDU specific values
Table 58 – Read-rmt- node-mgt-info-para-rsp-PDU specific values
Table 59 – Value of the data element of Rmt-node-mgt-info-paraData
Table 60 – Bit definition of Node status
Table 61 – Read-rmt-node-set-info-para-req-PDU specific values
Table 62 – Read-rmt-node-set-info-para-rsp-PDU specific values
Table 63 – Value of the data element of Set-info-para-read-data
Table 64 – Rest-node-req-PDU specific values
Table 65 – Rest-node-rsp-PDU specific values
Table 66 – Cyclic-data-w/wo-ACK-PDU specific values
Table 67 – Extended-cyclic-data-PDU specific values
Table 68 – Value of the element of ACKdata
Table 69 – Value of R_STSx field
Table 70 – Extended-participation-req-PDU specific values
Table 71 – Extended-network-parameter-read-req-PDU specific values
Table 72 – Extended-network-parameter-read-rsp-PDU specific values
Table 73 – Values of data elements of Ex-Net-para-Rd-rspData
Table 74 – Ex-network-parameter-write-req-PDU specific values
Table 75 – Ex-network-parameter-write-rsp-PDU specific values
Table 76 – Values of data elements of Ex-Net-para-Wrt-reqData
Table 77 – Value of R_STSx field
Table 78 – Functions used in state tables
Table 79 – Cyclic-data primitives between FAL user and FSPM
Table 80 – State table of Cyclic-data protocol machine
Table 81 – Message-data primitives between FAL user and FSPM
Table 82 – State table of Message-data protocol machine
Table 83 – Load measurement primitives between FAL user and FSPM
Table 84 – State table of Load measurement protocol machine
Table 85 – GP command server primitives between FAL user and FSPM
Table 86 – State table of General purpose command server protocol machine
Table 87 – Primitives used in network management protocol machine
Table 88 – State table of Network management protocol machine
Table 89 – Cyclic-TX/RX control primitives between FSPM and ARPM
Table 90 – State table of Cyclic-TX/RX control
Table 91 – Message-TX/RX control primitives between FSPM and ARPM
Table 92 – State table of Message-TX/RX control
Table 93 – Command server TX/RX primitives between FSPM and ARPM
Table 94 – State table of Command server TX/RX protocol machine
Table 95 – AR control primitives between FSPM and ARPM
Table 96 – Overall AR control state table
Table 97 – State table for message-data transmission
Table 98 – State table for ACK creation and message-data reception
Table 99 – Mapping of DMPM primitives and DLL service primitives
Table 100 – Supposed Transport service primitives
Table 101 – Mapping of output and input ports to DL-SAP [Go to Page]

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