D.19
Date Code 20170927 Instruction Manual SEL-751 Relay
DNP3 Communications
DNP3 Documentation
Device Profile
The DNP3 Device Profile document, available on the supplied CD or as a
download from the SEL website, contains the standard device profile
information for the SEL-751.This information is also available in XML
format. Please refer to this document for complete information on DNP3
Protocol support in the SEL-751.
Reference Data Map
Table D.10 shows the SEL-751 reference data map. The reference map shows
the data available to a DNP3 master. You can use the default map or the
custom DNP3 mapping functions of the SEL-751 to retrieve only the points
necessary for your application.
NOTE: Dead-band changes via
Object 34 are not stored in nonvolatile
memory. Make sure to reissue the
Object 34 dead bands after a warm
(STA C) or cold start (power cycle).
The SEL-751 scales analog values by the indicated settings or fixed scaling
indicated in the description. Analog dead bands for event reporting use the
indicated settings, or ANADBM if you have not specified a setting.
113 All Virtual Terminal Event Data
N/A No object required for the following function codes:
13 cold start
14 warm start
23 delay measurement
13, 14, 23
a
Supported in requests from master.
b
May generate in response to master.
c
Decimal.
d
Hexadecimal.
e
Default variation.
f
Default variation specified by serial port setting DVARAI (or DVARAIn for Ethernet session n [n = 1, 2, 3, 4, or 5]).
Ta b l e D.9 S E L- 75 1 D N P O b j ec t L i st (Sheet 6 of 6)
Obj. Var. Description
Request
a
Response
b
Funct.
Codes
c
Qual.
Codes
d
Funct.
Codes
c
Qual.
Codes
d
Table D.10 DNP3 Reference Data Map (Sheet 1 of 2)
Object Labels Description
Binary Inputs
01, 02 STFAIL Relay diagnostic failure
STWARN Relay diagnostic warning
STSET
. Relay settings change or restart
Enabled–TLED_06
a
Relay Word Elements Target Row 0 (see
Tab le K.1)
50A1P–59I4RS
a
Relay Word Elements Row 1 to Row 158 (see
Tab le K.1)
PFL Power Factor Leading for Three-Phase Currents
0Logical 0
1Logical 1
Binary Outputs
10,12 RB01–RB32 Remote bits RB01–RB32
10,12 RB01:RB02
RB03:RB04
RB05:RB06
…
RB29:RB30
RB31:RB32
Remote bit pairs RB01–RB32
NOTE: Although the reference maps
do not include Relay Word bit labels,
you can use these labels for creating
custom maps.
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