L.8
SEL-751 Relay Instruction Manual Date Code 20170927
Analog Quantities
ISMAREF A-phase reference total odd-harmonic content A pri x
ISMBREF B-phase reference total odd-harmonic content A pri x
ISMCREF C-phase reference total odd-harmonic content A pri x
Date/Time
Note11: DATE and TIME are also available as DNP Object 50
DATE Present date x x x
TIME Present time x x x
YEAR Year number (0000–9999) x x
DAYY Day of year number (1–366) x
WEEK Week number (1–52) x
DAYW Day of week number (1–7) x
MINSM Minutes since midnight x
RID/TID
Note12: RID and TID are only available as display point settings (DP01 to DP32) in the two-line display model
Note13: STRING_RID and STRING_TID are only available as analog label quantities for the bay screen in the touchscreen display
model
RID
12
Relay identifier x
TID
12
Terminal identifier x
STRING_RID
13
Relay identifier (Bay Screen) x
STRING_TID
13
Terminal identifier (Bay Screen) x
Serial Number
Note14: SER_NUM is available for use with display points in the two-line display model, but is not available for use with analog
labels in the touchscreen display model.
SER_NUM
7, 14
Serial number of the relay x x x x
Setting Group
GROUP Active setting group number xxxx x
Math Variables
MV01 to MV32 Math variable 01 to math variable 32 xxxx x x
SELOGIC Counters
Note15: Also available as DNP counter object.
SC01 to SC32 SELOGIC counter 01 to SELOGIC counter32 xxxx x x
Remote Analogs
Note16: FM refers to Fast Message support for Remote Analogs. Remote Analogs can be written by issuing an unsolicited Fast
Message Write command.
RA001 to RA128 Remote analog 001 to remote analog 128 xxxx xx
16
x
a
FREQ and FREQS are set equal to the FNOM setting following a settings change.
Table L.1 Analog Quantities (Sheet 8 of 8)
Name Description Units
Display Points
SELOGIC
Load Profile
DNP3/Fast Message Read/
IEC 60870-5-103
Modbus
Fast Meter
IEC 61850
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