ISA 50.02-4 : 1997
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
FIELDBUS STANDARD FOR USE IN INDUSTRIAL CONTROL SYSTEMS - PART 4: DATA LINK PROTOCOL SPECIFICATION
Hardcopy
23-07-2013
English
01-01-1997
Introduction
Keywords
General
Purpose
Intended Users
1 Scope
1.1 Specifications
1.2 Procedures
1.3 Applicability
1.4 Conformance
2 Normative references
3 Definitions
3.1 Reference model definitions
3.2 Service convention definitions
3.3 Data Link Service definitions
4 Symbols and abbreviations
4.1 Data units
4.2 Local variables, timers, counters and queues
4.3 DLPDU classes
4.4 Miscellaneous
5 Overview of the DL-protocol
5.1 Three-level model of the DLL
5.2 Service provided by the DLL
5.3 DL-addresses
5.4 Service assumed from the Physical Layer
5.5 Functions of the DLL
5.6 Functional classes
5.7 Local parameters, variables, counters, timers
and queues
6 General structure and encoding of PhIDUs and DLPDUs,
and related elements of procedure
6.1 PhIDU structure and encoding
6.2 Common DLPDU structure, encoding and elements
of procedure
7 DLPDU-specific structure, encoding and elements of
procedure
7.1 Establish Connection (EC) DLPDU
7.2 Disconnect Connection (DC) DLPDU
7.3 Reset Connection (RC) DLPDU
7.4 Compel Acknowledgement (CA) DLPDU
7.5 Compel Data (CD) DLPDU
7.6 Exchange Data (ED) DLPDU
7.7 Data (DT) DLPDU
7.8 Status Response (SR) DLPDU
7.9 Compel Time (CT) DLPDU
7.10 Time Distribution (TD) DLPDU
7.11 Round-Trip-Delay Query (RQ) DLPDU
7.12 Round-Trip-Delay Reply (RR) DLPDU
7.13 Probe Node DL-address (PN) DLPDU
7.14 Probe Response (PR) DLPDU
7.15 Pass Token (PT) DLPDU
7.16 Execute sequence (ES) DLPDU
7.17 Return Token (RT) DLPDU
7.18 Request Interval (RI) DLPDU
7.19 Claim LAS (CL) DLPDU
7.20 Transfer LAS (TL) DLPDU
7.21 Wakeup (WK) DLPDU
7.22 Idle (IDLE) DLPDU
7.23 Spare DLPDUs
7.24 Reserved (Can't use) DLPDUs
8 DLPDU-parameter structure and encoding
8.1 Structure and encoding of EC-Parameters
8.2 Structure and encoding of DC-Parameters
8.3 Structure and encoding of RC-Parameters
8.4 Structure and encoding of SD-Parameters
8.5 Structure and encoding of SR-Parameters
8.6 Structure and encoding of TD-Parameters
8.7 Structure and encoding of RQ-Parameters
8.8 Structure and encoding of RR-Parameters
8.9 Structure and encoding of PN-Parameters
8.10 Structure and encoding pf DD-Parameters
9 DL-service elements of procedure
9.1 Operation of the DL(SAP)-address, buffer and
queue management services
9.2 Operation of the connection-mode services
9.3 Operation of the connectionless-mode services
9.4 Operation of the scheduling guidance services
10 Other DLE elements of procedure
10.1 DLE initialization
10.2 LAS behavior and operation
10.3 DL-support operation
11 Implementation profiles
11.1 DL-address, queue and buffer management
services
11.2 DL-data delivery services
11.3 DL-time and time-based scheduling services
Annexes
A - (normative) Structure and definition of
DL-addresses
B - (normative) DL-support sub-protocol
C - (normative) DL-bridge elements of procedure
and bridge
D - (normative) DL-management-information
E4 - (normative) PICS proforma
F - (informative) Formal protocol finite state
machines
G - (informative) Exemplary FCS implementation
H - (informative) DLPDU and DL-addressing
short-form summaries
Figures
Tables
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.