56 489 GENERATOR MANAGEMENT RELAY – COMMUNICATIONS GUIDE
CG.4 DNP Protocol
CG.4.1 Device Profile Document
The communications port configured as a DNP slave port must support the full set of
features listed in the Level 2 DNP V3.00 Implementation (DNP-L2) described in Chapter 2 of
the subset definitions. See the DNP protocol website at http://www.dnp.org
for details
DNP 3.0: DEVICE PROFILE DOCUMENT
Vendor Name: General Electric Multilin Inc.
Device Name: 489 Generator Management Relay
Highest DNP Level Supported:
For Requests: Level 2
For Responses: Level 2
Device Function:
Master Slave
Notable objects, functions, and/or qualifiers supported in addition to the Highest DNP
Levels Supported (the complete list is described in the attached table):
Binary Input (Object 1, variations 1 and 2)
Binary Output (Object 10, variation 2)
Binary Counter (Object 20, variations 5 and 6)
Frozen Counter (Object 21, variations 9 and 10)
Analog Input (Object 30, variations 1, 2, 3, and 4)
Analog Input Change (Object 32, variations 1, 2, 3, and 4)
Warm Restart (Function Code 14)
Maximum Data Link Frame Size (octets):
Transmitted: 292
Received: 292
Maximum Application Fragment Size
(octets):
Transmitted: 2048
Received: 2048
Maximum Data Link Re-tries:
None
Fixed
Configurable
Maximum Application Layer Re-tries:
None
Configurable
Requires Data Link Layer Confirmation:
Never
Always
Sometimes
Configurable
Requires Application Layer Confirmation:
Never
Always
When reporting Event Data
When sending multi-fragment responses
Sometimes
Configurable
Timeouts while waiting for:
Data Link Confirm None Fixed Variable Configurable
Complete Appl. Fragment None Fixed Variable Configurable
Application Confirm None Fixed Variable Configurable
(fixed value is 5000 milliseconds)
Complete Appl. Response None Fixed Variable Configurable
Others: (None)
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