Sel 751A - Page 619

K.3
Date Code 20100129 Instruction Manual SEL-751A Relay
Analog Quantities
FREQ Frequency Hz xxxxx
DFDT Frequency Rate of Change Hz/sec. x x
VDC Station dc battery voltage V xxxxx
Light Metering
LSENS1 Arc-Flash sensor 1 light % xxxx
LSENS2 Arc-Flash sensor 2 light % xxxx
LSENS3 Arc-Flash sensor 3 light % xxxx
LSENS4 Arc-Flash sensor 4 light % xxxx
Thermal Metering
RTDWDGMX Maximum winding RTD temperature °C x x x x
RTDBRGMX Maximum bearing RTD temperature °C x x x x
RTDAMB Ambient RTD temperature °C x x x x
RTDOTHMX Other maximum RTD temperature °C x x x x
RTD1 to RTD12RTD1 temperature to RTD12 temperature °C xxxx
Analog Input Metering
AI301 to AI308 Analog inputs for an analog card in Slot C
a
xxxx
AI401 to AI408 Analog inputs for an analog card in Slot D
a
xxxx
AI501 to AI508 Analog inputs for an analog card in Slot E
a
xxxx
Energy Metering
EM_LRDH Energy Last Reset Date/Time High Word x
EM_LRDM Energy Last Reset Date/Time Middle Word x
EM_LRDL Energy Last Reset Date/Time Low Word x
MWH3PI 3-phase real energy IN MWh primary xxxx
MWH3P 3-phase real energy OUT MWh primary xxxx
MVARH3PI 3-phase reactive energy IN MVARh primaryxxxx
MVARH3PO 3-phase reactive energy OUT MVARh primaryxxxx
MVAH3P 3-phase apparent energy MVAh primaryxxxx
Maximum/Minimum Metering
MM_LRDH Max/Min Last Reset Date/Time High Word x
MM_LRDM Max/Min Last Reset Date/Time Middle Word x
MM_LRDL Max/Min Last Reset Date/Time Low Word x
IAMX A-phase maximum current A primary xxxx
IBMX B-phase maximum current A primary xxxx
ICMX C-phase maximum current A primary xxxx
INMX Neutral maximum current A primary xxxx
IGMX Calculated residual maximum current A primary xxxx
IAMN A-phase minimum current A primary xxxx
IBMN B-phase minimum current A primary xxxx
ICMN C-phase minimum current A primary xxxx
INMN Neutral minimum current A primary xxxx
Table K.1 Analog Quantities (Sheet 3 of 6)
Label Description Units
Display Points SELOGIC Load Profile DNP Fast Meter