10.3
Date Code 20171021 Instruction Manual SEL-421 Relay
Communications Interfaces
Communications Database
1032,
1034
IB3 float[2] Breaker 2 B-Phase current magnitude and phase
1036,
1038
IC3 float[2] Breaker 2 C-Phase current magnitude and phase
103A,
103C
VA float[2] A-Phase voltage magnitude and phase
103E,
1040
VB float[2] B-Phase voltage magnitude and phase
1042,
1044
VC float[2] C-Phase voltage magnitude and phase
1046,
1048
V0 float[2] 0-sequence voltage magnitude and phase
104A,
104C
V1 float[2] 1-sequence voltage magnitude and phase
104E,
1050
V2 float[2] 2-sequence voltage magnitude and phase
1052 VP float Polarizing voltage magnitude
1054 VS1 float Synchronizing Voltage 1 magnitude
1056 VS2 float Synchronizing Voltage 2 magnitude
1058 ANG1_DIF float VS1 and VP angle difference, in degrees
105A VS1_SLIP float VS1 frequency slip with respect to VP, in HZ
105C ANG2_DIF float VS2 and VP angle difference, in degrees
105E VS2_SLIP float VS2 frequency slip with respect to VP, in HZ
1060 PA float A-Phase real power
1062 PB float B-Phase real power
1064 PC float C-Phase real power
1066 P float Total real power
1068 QA float A-Phase reactive power
106A QB float B-Phase reactive power
106C QC float C-Phase reactive power
106E Q float Total reactive power
1070 SA float A-Phase apparent power, if available
1072 SB float B-Phase apparent power, if available
1074 SC float C-Phase apparent power, if available
1076 S float Total apparent power
1078 PFA float A-Phase power factor
107A PFB float Phase power factor
107C PFC float Phase power factor
107E PF float Three-phase power factor
1080 PEA float Positive A-Phase energy in KWh
1082 PEB float Positive B-Phase energy in KWh
1084 PEC float Positive C-Phase energy in KWh
1086 PE float Total positive energy in KWh
Table 10.3 SEL-421 Database Structure—METER Region (Sheet 2 of 3)
Address
(Hex)
Name Type Description
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