ABB Relion REC615 - Safety Information; General Safety Precautions

Table of contents
Section 1 Introduction.......................................................................3
This manual........................................................................................ 3
Intended audience.............................................................................. 3
Product documentation.......................................................................4
Product documentation set............................................................4
Document revision history............................................................. 4
Related documentation..................................................................5
Symbols and conventions...................................................................5
Symbols.........................................................................................5
Document conventions.................................................................. 5
Section 2 DNP3 overview.................................................................7
DNP3 standard................................................................................... 7
Documentation................................................................................... 7
Section 3 Vendor-specific implementation....................................... 9
Protocol server instances................................................................... 9
Connection to clients..................................................................... 9
Protocol server attachment to a client......................................... 10
Several identical client connections.............................................10
Protocol data mapping to server instances................................. 11
Link modes....................................................................................... 11
Serial link mode........................................................................... 11
TCP/IP mode............................................................................... 12
Communication setup.......................................................................12
Communication modes................................................................12
DNP3 layer acknowledgements, retries and timeouts.................12
Polled mode.................................................................................13
Unsolicited reporting mode..........................................................13
Communication supervision and diagnostics.............................. 14
Communication supervision status.........................................14
Diagnostic communication counters.......................................15
Data objects......................................................................................15
Readable data objects.................................................................15
Class events................................................................................ 16
Writable data objects................................................................... 17
Control relay output block parameters................................... 17
Direct operate and select before operate............................... 17
Command blockings...............................................................18
Accessing of non-protocol-mapped data..................................... 18
Table of contents
REC615 and RER615 1
Communication Protocol Manual