Dnp Application Layer

DOCUMENT REVISION HISTORY


Name of Document: DNP V3.00 Application Layer Protocol Description
Network File Name: P009-0PD.APP

Original Author: Malcolm Smith/Jim McFadyen
Date and Version of Preliminary Release: August 7, 1991 Version 0.00
Associated Software Release(s): DNP V3.00


Revisions Since Preliminary Release

Date Version By Whom: Pages Affected: Reason for Changes:Sept. 30/91 0.00A NFM All Document renamed and relocated from O:\Document\Other\DOC0362.wp to P009 0FS.APP Reformatted to WI standards
Nov. 11/91 0.00B J. McFadyen Corrections
Nov. 18/91 0.00C J. McFadyen Minor corrections
Jan. 13/92 0.01A J. McFadyen Section 3 Addition of Application Control fields
Apr. 30/92 0.01B NFM All Minor fixes per J. McFadyen.
Jul. 24/92 0.01C MCH 3-11 Reversed MSB andLSB in Figure 3-7 as per J. McFadyen.
Sep. 8/92 0.02A M. Smith ALL Re-design of qualifier, clarification of function code usage, added support of multi-fragment objects, changed terminology to match IEC definitions.
Oct. 22/92 0.02B M.Smith Time-sync Removed all references to TIME-SYNCHRONIZATION in the Application Layer as this is a Data Link function.
Oct. 27/92 0.02C M.Smith Section 3Re-defined Application Control (AC) octet to handle sequencing of fragments and added diagrams to illustrate this. Changed name of document.
Nov.8/92 0.02D MS Sections 3, 4 Re-added TIME-SYNC and made some technical corrections.
Nov.25/92 0.03 LA All Reformatted to WI standards.
July 7/93 0.03 P. Morton All Reformatted, added chapters.
Jul.21/93 0.03 J. Bhat All Removed Section 9, Reformatted.Aug.20/93 0.03 J. Bhat All Re-edited and reformatted.
Aug.30/93 0.03 J. Bhat All Re-edited and reformatted.
Sept.01/93 0.03 AV All Format check, glossary, footers.
May 28/97 0.03 S. Tessari All Converted to MS Word 6.0









DNP Users Group

DNP PRODUCT DOCUMENTATION





DNP V3.00
APPLICATION LAYER

















Document Version: 0.03
Internal File:P009-0PD.APP
Associated Software Release: DNP V3.00



NOTICE OF RIGHTS - DNP USERS GROUP


The contents of this manual are the property of the DNP Users Group. Revisions or additions to the definition and functionality of the Distributed Network Protocol cannot be made without express written agreement from the DNP Users Group or its duly authorized party. In addition, no part of thisdocument may be altered or revised or added to in any form or by any means, except as permitted by written agreement with the DNP Users Group or a Party duly authorized by the DNP Users Group.

As a Party, duly authorized by the DNP Users Group, Harris Corporation has made every reasonable attempt to ensure the completeness and accuracy of this document, however, the information contained in thismanual is subject to change without notice, and does not represent a commitment on the part of Harris Corporation or the DNP Users Group. An update program for DNP documents is provided upon request by Harris Corporation on behalf of the DNP Users Group.




TRADEMARK NOTICES


Brand and product names mentioned in this document are trademarks or registered trademarks of their respectivecompanies.





TABLE OF CONTENTS
ABOUT THIS DOCUMENT xi
PURPOSE OF THIS SPECIFICATION xi
WHO SHOULD USE THIS SPECIFICATION xi
HELP AND ADDITIONAL DOCUMENTATION xi
HOW THIS SPECIFICATION IS ORGANIZED xii
CONVENTIONS USED IN THIS SPECIFICATION xii
1. OVERVIEW 1-1
1.1 DESCRIPTION AND IEC RELATIONSHIP 1-2
2. MESSAGE FORMATS 2-1
2.1 APPLICATION REQUEST FORMAT 2-2
2.2 APPLICATIONRESPONSE FORMAT 2-2
3. DEFINITION OF DNP MESSAGE FIELDS 3-1
3.1 APPLICATION HEADERS 3-1
3.2 COMMUNICATION FLOW CONTROL 3-3
3.3 MASTER REQUEST & UNSOLICITED RESPONSE COLLISIONS 3-8
3.4 ERROR RECOVERY 3-11
3.5 FUNCTION CODES 3-12
3.6 INTERNAL INDICATIONS 3-14
3.7 OBJECT HEADER 3-16
4. DETAILED FUNCTION CODE DESCRIPTIONS 4-1
4.1 CONFIRM (FUNCTION CODE 0) 4-1
4.2 READ (FUNCTION CODE 1) 4-2
4.3...