IEC PAS 63256:2020

IEC PAS 63256 ®
Edition 1.0 2020-01
PUBLICLY AVAILABLE
SPECIFICATION
PRE-STANDARD
Industrial communication networks – Broadband fieldbus specification – Autbus

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IEC PAS 63256 ®
Edition 1.0 2020-01
PUBLICLY AVAILABLE
SPECIFICATION
PRE-STANDARD
Industrial communication networks – Broadband fieldbus specification – Autbus

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 00.000 ISBN 978-2-8322-7749-2

– 2 – IEC PAS 62356:2020 © IEC 2020
CONTENTS
FOREWORD . 11
1 Scope . 12
2 Normative references . 12
3 Terms and definitions, abbreviated terms and symbols . 12
3.1 Terms and definitions . 12
3.2 Abbreviated terms . 14
3.3 Symbols . 16
4 Data type . 16
4.1 Overview. 16
4.2 Basic data type . 16
4.2.1 Unsigned type coding (UINT) . 16
4.2.2 Time type coding (TIMEV) . 17
4.2.3 Date type coding (DATE2000) . 17
4.2.4 Time of day type coding (TIMEOFDAY) . 18
4.2.5 Time difference type coding (TIMEDIFFER) . 18
4.2.6 String type coding (STRING) . 18
4.2.7 Bitmap tpye coding (BITMAP) . 19
4.3 Complex type . 19
4.3.1 Struct type coding (STRUCT). 19
4.3.2 Array type coding (ARRAY) . 19
5 AUTBUS overview . 19
5.1 Overview. 19
5.2 AUTBUS protocol stack architecture . 20
5.3 Device type . 22
5.3.1 Overview . 22
5.3.2 Control Device . 22
5.3.3 Field Device . 22
5.3.4 Management Node . 22
5.3.5 Terminal Node . 22
5.4 Network topology . 22
6 System management . 23
6.1 Overview. 23
6.2 System management process . 23
6.3 System management information table . 24
6.3.1 PhL related management information table . 24
6.3.2 DLL related management information table . 31
6.3.3 AL related management information table . 34
7 Physical layer . 36
7.1 Physical Layer overview . 36
7.2 PhL resource . 37
7.2.1 Signal frame . 37
7.2.2 Data subframe . 39
7.2.3 OFDM symbol . 40
7.2.4 Code Block . 41
7.2.5 Resource element . 41
7.2.6 Working mode . 42

IEC PAS 62356:2020 © IEC 2020 – 3 –
7.3 DLL–PhL interface . 44
7.3.1 General . 44
7.3.2 Service primitive . 45
7.3.3 Primitive process . 47
7.4 System management-PhL interface . 47
7.4.1 General . 47
7.4.2 Service primitive . 47
7.4.3 Primitive process . 49
7.5 DCE Independent Sublayer (DIS) . 50
7.5.1 General . 50
7.5.2 Data sequence . 50
7.6 DTE-DCE interface . 51
7.6.1 General . 51
7.6.2 Interface signal . 51
7.6.3 Signal process . 52
7.7 Medium Dependent Sublayer (MDS) . 52
7.7.1 General . 52
7.7.2 MDS specification . 52
7.8 MDS-MAU interface . 59
7.8.1 General . 59
7.8.2 MDS-MAU interface . 59
7.9 Medium Attachment Unit (MAU) . 62
7.9.1 Overview . 62
7.9.2 Electrical specifications . 62
7.9.3 Transmission Medium Interface . 62
7.9.4 Medium . 63
8 Data-link layer . 65
8.1 General . 65
8.1.1 DLL protocol architecture . 65
8.1.2 DLL working mechanism . 67
8.2 DLL services . 70
8.2.1 General . 70
8.2.2 Data-link service model . 71
8.2.3 Data-link service description . 72
8.2.4 Data-link management service description . 85
8.2.5 Clock synchronization service description . 101
8.3 DLL protocol . 107
8.3.1 Working procedure . 107
8.3.2 DLPDU structure . 116
8.3.3 State machine . 129
8.3.4 Error handling . 134
9 Application Layer . 136
9.1 Overview. 136
9.1.1 Protocol architecture . 136
9.1.2 Data type of AL . 137
9.1.3 Data mapping modeling . 140
9.1.4 Communication model . 143
9.2 AL Service . 144
9.2.1 Overview . 144

– 4 – IEC PAS 62356:2020 © IEC 2020
9.2.2 Application Service El
...