Schweitzer Engineering Laboratories SEL-421-4 - Page 703

12.7
Date Code 20171021 Instruction Manual SEL-421 Relay
Analog Quantities
ICWFR C-Phase, Terminal W, filtered current, real component Amperes [A] (secondary)
ICXFA C-Phase, Terminal X, filtered current, angle Degrees [°] (±180°)
ICXFI C-Phase, Terminal X, filtered current, imaginary component Amperes [A] (secondary)
ICXFM C-Phase, Terminal X, filtered current, magnitude Amperes [A] (secondary)
ICXFR C-Phase, Terminal X, filtered current, real component Amperes [A] (secondary)
IGD Demand zero-sequence current Amperes [A] (primary)
IGPKD Peak demand zero-sequence current Amperes [A] (primary)
IN201A–IN208A Digital input values available as floating point quantities 0.0–255.0 A/D Counts
IN201V–IN208V Contact input A/D counts converted to calibrated voltage V
IN301A–IN308A Digital input values available as floating point quantities 0.0–255.0 A/D Counts
IN301V–IN308V Contact input A/D counts converted to calibrated voltage V
IPFIM Filtered instantaneous polarizing current magnitude Amperes [A] (secondary)
L3I2A 10-cycle average negative-sequence current angle (line) Degrees [°] (±180)
L3I2FIA Negative-sequence instantaneous current angle Degrees [°] (±180)
L3I2FIM Negative-sequence instantaneous current magnitude Amperes [A] (secondary)
L3I2M 10-cycle average negative-sequence current magnitude (line) Amperes [A] (primary)
LI1A 10-cycle average positive-sequence current angle (line) Degrees [°] (±180)
LI1FIA Positive-sequence instantaneous current angle Degrees [°] (±180)
LI1FIM Positive-sequence instantaneous current magnitude Amperes [A] (secondary)
LI1M 10-cycle average positive-sequence current magnitude (line) Amperes [A] (primary)
LIAFA, LIBFA, LICFA 10-cycle average fundamental current angle (line) Degrees [°] (±180)
LIAFIA, LIBFIA, LICFIA Filtered instantaneous current angles Degrees [°] (±180)
LIAFIM, LIBFIM,
LICFIM
Filtered instantaneous phase current magnitude Amperes [A] (secondary)
LIAFM, LIBFM, LICFM 10-cycle average fundamental current magnitude (line) Amperes [A] (primary)
LIARMS, LIBRMS,
LICRMS
10-cycle average RMS current (line) Amperes [A] (primary)
LIGA 10-cycle average zero-sequence current angle (line) Degrees [°] (±180)
LIGFIA Zero-sequence instantaneous current angle Degrees [°] (±180)
LIGFIM Zero-sequence instantaneous current magnitude Amperes [A] (secondary)
LIGM 10-cycle average zero-sequence current magnitude (line) Amperes [A] (primary)
LIMAXM Filtered instantaneous maximum phase current magnitude Amperes [A] (secondary)
MAB, MBC, MCA Mho phase-to-phase impedance calculation Ohms (secondary)
MAGZ1, MBGZ1,
MCGZ1
Zone 1 mho ground impedance calculation Ohms (secondary)
MAGF, MBGF, MCGF Forward mho ground calculation (excludes Zone 1) Ohms (secondary)
MAGR, MBGR, MCGR Reverse mho ground calculation (all reverse zones) Ohms (secondary)
MB1A–MB7A Channel A received M
IRRORED BITS analog values N/A
MB1B–MB7B Channel B received M
IRRORED BITS analog values N/A
MWHAIN, MWHBIN,
MWHCIN
Negative (import) phase energy, Megawatt-hours Megawatt-hour [MWh] (primary)
MWHAOUT, MWH-
BOUT, MWHCOUT
Positive (export) phase energy, Megawatt-hours Megawatt-hour [MWh] (primary)
Table 12.1 Analog Quantities Sorted Alphabetically (Sheet 7 of 12)
Label Description Unit