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BS EN IEC 61158-6-12:2019

BS EN IEC 61158-6-12:2019

$215.11

Industrial communication networks. Fieldbus specifications – Application layer protocol specification. Type 12 elements

Published By Publication Date Number of Pages
BSI 2019 148
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1.1 General

The Fieldbus Application Layer (FAL) provides user programs with a means to access the fieldbus communication environment. In this respect, the FAL can be viewed as a “window between corresponding application programs.”

This part of IEC 61158 provides common elements for basic time-critical and non-time-critical messaging communications between application programs in an automation environment and material specific to Type 12 fieldbus. The term “time-critical” is used to represent the presence of a time-window, within which one or more specified actions are required to be completed with some defined level of certainty. Failure to complete specified actions within the time window risks failure of the applications requesting the actions, with attendant risk to equipment, plant and possibly human life.

This International Standard defines in an abstract way the externally visible behavior provided by the different Types of the fieldbus Application Layer in terms of

  1. the abstract syntax defining the application layer protocol data units conveyed between communicating application entities,

  2. the transfer syntax defining the application layer protocol data units conveyed between communicating application entities,

  3. the application context state machine defining the application service behavior visible between communicating application entities; and

  4. the application relationship state machines defining the communication behavior visible between communicating application entities; and.

The purpose of this document is to define the protocol provided to

  1. define the wire-representation of the service primitives defined in IEC 61158-5-12, and

  2. define the externally visible behavior associated with their transfer.

This document specifies the protocol of the IEC fieldbus Application Layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498) and the OSI Application Layer Structure (ISO/IEC 9545).

FAL services and protocols are provided by FAL application-entities (AE) contained within the application processes. The FAL AE is composed of a set of object-oriented Application Service Elements (ASEs) and a Layer Management Entity (LME) that manages the AE. The ASEs provide communication services that operate on a set of related application process object (APO) classes. One of the FAL ASEs is a management ASE that provides a common set of services for the management of the instances of FAL classes.

Although these services specify, from the perspective of applications, how request and responses are issued and delivered, they do not include a specification of what the requesting and responding applications are to do with them. That is, the behavioral aspects of the applications are not specified; only a definition of what requests and responses they can send/receive is specified. This permits greater flexibility to the FAL users in standardizing such object behavior. In addition to these services, some supporting services are also defined in this document to provide access to the FAL to control certain aspects of its operation.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
7 CONTENTS
13 FOREWORD
15 INTRODUCTION
16 1 Scope
1.1 General
17 1.2 Specifications
1.3 Conformance
2 Normative references
18 3 Terms, definitions, symbols, abbreviations and conventions
3.1 Reference model terms and definitions
19 3.2 Service convention terms and definitions
3.3 Application layer definitions
24 3.4 Common symbols and abbreviations
25 3.5 Additional symbols and abbreviations
3.6 Conventions
3.6.1 General concept
26 3.6.2 Convention for the encoding of reserved bits and octets
3.6.3 Conventions for the common codings of specific field octets
Figures
Figure 1 – Common structure of specific fields
27 3.6.4 Abstract syntax conventions
Figure 2 – Type description example
Tables
Table 1 – PDU element description example
28 3.6.5 State machine conventions
Table 2 – Example attribute description
29 Table 3 – State machine description elements
Table 4 – Description of state machine elements
Table 5 – Conventions used in state machines
30 4 Application layer protocol specification
4.1 Operating principle
4.2 Node reference model
4.2.1 Mapping onto OSI basic reference model
31 4.2.2 Data Link Layer features
4.2.3 Application Layer structure
Figure 3 – Slave Node Reference Model
32 5 FAL syntax description
5.1 Coding principles
5.2 Data types and encoding rules
5.2.1 General description of data types and encoding rules
5.2.2 Encoding of a Boolean value
5.2.3 Encoding of a Time Of Day with and without date indication value
Figure 4 – Encoding of Time of Day value
33 5.2.4 Encoding of a Time Difference with and without date indication value
5.2.5 Transfer syntax for bit sequences
5.2.6 Encoding of a Unsigned Integer value
Figure 5 – Encoding of Time Difference value
Table 6 – Transfer Syntax for bit sequences
34 5.2.7 Encoding of a Signed Integer value
Table 7 – Transfer syntax for data type Unsignedn
35 5.2.8 Encoding of a Floating Point value
5.2.9 Encoding of a Visible String value
5.2.10 Encoding of a Unicode String value
5.2.11 Encoding of an Octet String value
5.2.12 Encoding of GUID
5.3 AR coding
5.3.1 AL Control Request (Indication)
Figure 6 – AL Control Request structure
Table 8 – Transfer syntax for data type Integern
36 5.3.2 AL Control Response (Confirmation)
Figure 7 – AL Control Response structure
Table 9 – AL Control Description
37 Table 10 – AL Control Response
Table 11 – AL Status Codes
38 5.3.3 AL State Changed
39 5.3.4 AL AR Attributes
Figure 8 – AL State Changed structure
Figure 9 – PDI Control type description
Table 12 – AL State Changed
40 Figure 10 – Sync Configuration type description
Table 13 – PDI Control
Table 14 – PDI Configuration
Table 15 – Sync Configuration
41 5.4 SII coding
Table 16 – Slave Information Interface Area
42 Table 17 – Slave Information Interface Categories
Table 18 – Mailbox Protocols Supported Types
Table 19 – Categories Types
43 Table 20 – Structure Category String
Table 21 – Structure Category General
44 Table 22 – Identification Methods
Table 23 – Structure Category FMMU
45 Table 24 – Structure Category SyncM for each Element
Table 25 – Structure Category TXPDO and RXPDO for each PDO
46 5.5 Isochronous PDI coding
Figure 11 – Distributed Clock sync and latch type description
Table 26 – Structure PDO Entry
47 Table 27 – Distributed Clock sync parameter
48 5.6 CoE coding
5.6.1 PDU structure
Figure 12 – CoE general structure
Table 28 – Distributed Clock latch data
49 5.6.2 SDO
Figure 13 – SDO Download Expedited Request structure
Table 29 – CoE elements
50 Figure 14 – SDO Download Expedited Response structure
Table 30 – SDO Download Expedited Request
51 Figure 15 – SDO Download Normal Request structure
Table 31 – SDO Download Expedited Response
52 Table 32 – SDO Download Normal Request
53 Figure 16 – Download SDO Segment Request structure
Table 33 – Download SDO Segment Request
54 Figure 17 – Download SDO Segment Response structure
Figure 18 – SDO Upload Expedited Request structure
Table 34 – Download SDO Segment Response
55 Figure 19 – SDO Upload Expedited Response structure
Table 35 – SDO Upload Expedited Request
56 Table 36 – SDO Upload Expedited Response
57 Figure 20 – SDO Upload Normal Response structure
Table 37 – SDO Upload Normal Response
58 Figure 21 – Upload SDO Segment Request structure
Figure 22 – Upload SDO Segment Response structure
Table 38 – Upload SDO Segment Request
59 Figure 23 – Abort SDO Transfer Request structure
Table 39 – Upload SDO Segment Response
60 Table 40 – Abort SDO Transfer Request
61 5.6.3 SDO Information
Table 41 – SDO Abort Codes
62 Figure 24 – SDO Information Service structure
Table 42 – SDO Information Service
63 Figure 25 – Get OD List Request structure
Table 43 – Get OD List Request
64 Figure 26 – Get OD List Response structure
Table 44 – Get OD List Response
65 Figure 27 – Get Object Description Request structure
Table 45 – Get Object Description Request
66 Figure 28 – Get Object Description Response structure
Table 46 – Get Object Description Response
67 Figure 29 – Get Entry Description Request structure
Table 47 – Get Entry Description Request
68 Figure 30 – Get Entry Description Response structure
Table 48 – Get Entry Description Response
69 Figure 31 – SDO Info Error Request structure
70 5.6.4 Emergency
Table 49 – SDO Info Error Request
71 Table 50 – Emergency Request
72 Table 51 – Emergency Error Codes
Table 52 – Error Code
73 Table 53 – Diagnostic Data
Table 54 – Sync Manager Length Error
Table 55 – Sync Manager Address Error
Table 56 – Sync Manager Settings Error
74 5.6.5 Process Data
Table 57 – RxPDO Transmission via mailbox
Table 58 – TxPDO Transmission via mailbox
75 5.6.6 Command
Table 59 – RxPDO Remote Transmission Request
Table 60 – TxPDO Remote Transmission Request
76 5.6.7 Object Dictionary
Table 61 – Command object structure
Table 62 – Object Dictionary Structure
Table 63 – Object Code Definitions
77 Table 64 – Basic Data Type Area
78 Table 65 – Extended Data Type Area
79 Table 66 – Enumeration Definition
Table 67 – CoE Communication Area
80 Table 68 – Device Type
81 Table 69 – Error Register
Table 70 – Manufacturer Device Name
82 Table 71 – Manufacturer Hardware Version
Table 72 – Manufacturer Software Version
Table 73 – Identity Object
83 Table 74 – Receive PDO Mapping
Table 75 – Transmit PDO Mapping
84 Table 76 – Sync Manager Communication Type
85 Table 77 – Sync Manager Channel 0-31
86 5.7 EoE coding
5.7.1 Initiate EoE
Figure 32 – EoE general structure
Table 78 – Sync Manager Synchronization
87 Figure 33 – EoE Timestamp structure
Table 79 – Initiate EoE Request
88 5.7.2 EoE Fragment Data
Figure 34 – EoE Fragment Data structure
Table 80 – Initiate EoE Response
89 5.7.3 Data element for EoE
Table 81 – EoE Fragment Data
90 5.7.4 Set IP Parameter
Figure 35 – Set IP Parameter Request structure
Table 82 – EoE Data
91 Table 83 – Set IP Parameter Request
92 Figure 36 – Set IP Parameter Response structure
Table 84 – Set IP Parameter Response
93 5.7.5 Set Address Filter
Figure 37 – Set MAC Filter Request structure
Table 85 – EoE Result Parameter
Table 86 – Set MAC Filter Request
94 Figure 38 – Set MAC Filter Response structure
95 5.8 FoE Coding
5.8.1 Read Request
Figure 39 – Read Request structure
Table 87 – Set MAC Filter Response
96 5.8.2 Write Request
Figure 40 – Write Request structure
Table 88 – Read Request
97 5.8.3 Data Request
Figure 41 – Data Request structure
Table 89 – Write Request
98 5.8.4 Ack Request
Figure 42 – Ack Request structure
Table 90 – Data Request
99 5.8.5 Error Request
Figure 43 – Error Request structure
Table 91 – Ack Request
100 5.8.6 Busy Request
Table 92 – Error Request
Table 93 – Error codes of FoE
101 6 FAL protocol state machines
6.1 Overall structure
6.1.1 Overview
Figure 44 – Busy Request structure
Table 94 – Busy Request
102 6.1.2 Fieldbus Service Protocol Machines (FSPM)
6.1.3 Application Relationship Protocol Machines (ARPM)
Figure 45 – Relationship among Protocol Machines
103 6.1.4 DLL Mapping Protocol Machines (DMPM)
6.2 AP-Context state machine
6.3 FAL service protocol machine (FSPM)
6.4 Application Relationship Protocol Machines (ARPMs)
6.4.1 AL state machine
Figure 46 – AR Protocol machines
105 Figure 47 – ESM Diagramm
Table 95 – State transitions and local management services
106 Table 96 – Primitives issued by ESM to DL
107 Table 97 – Primitives issued by DL to ESM
Table 98 – Primitives issued by Application to ESM
Table 99 – Primitives issued by ESM to Application
108 Table 100 – ESM Variables
109 Table 101 – ESM macros
Table 102 – ESM functions
110 Table 103 – ESM state table
122 6.4.2 Mailbox handler state machine
Table 104 – Primitives issued by Mailbox handler to DL
123 6.4.3 CoE state machine
Table 105 – Primitives issued by DL to Mailbox handler
Table 106 – Primitives issued by Protocol handler to Mailbox handler
Table 107 – Primitives issued by Mailbox handler to Protocol handler
124 Table 108 – Primitives issued by Application to CoESM
125 Table 109 – Primitives issued by CoESM to Application
126 Table 110 – CoESM state table
134 6.4.4 EoE state machine
135 Table 111 – Primitives issued by Application to EoESM
136 Table 112 – Primitives issued by EoESM to Application
137 Table 113 – EoESM state table
141 6.4.5 FoE state machine
Table 114 – Primitives issued by Application to FoESM
142 Table 115 – Primitives issued by FoESM to Application
143 Table 116 – FoESM state table
146 6.5 DLL mapping protocol machine (DMPM)
147 Bibliography

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BS EN IEC 61158-6-12:2019
$215.11