R.B.11
Date Code 20111215 Reference Manual SEL-421 Relay
Analog Quantities
Quantities Listed by Function
SELOGIC and Automation Elements
PMV01–PMV64 Protection SELOGIC control equation math variable NA
PCT01PU–PCT32PU Protection conditioning timer pickup time cycles
PCT01DO–PCT32DO Protection conditioning timer dropout time cycles
PST01ET–PST32ET Protection sequencing timer elapsed time cycles
PST01PT–PST32PT Protection sequencing timer preset time cycles
PCN01CV–PCN32CV Protection counter current value NA
PCN01PV–PCN32PV Protection counter preset value NA
AMV001–AMV256 Automation SEL
OGIC control equation math variable NA
AST01ET–AST32ET Automation sequencing timer elapsed time seconds
AST01PT–AST32PT Automation sequencing timer preset time seconds
ACN01CV–ACN32CV Automation counter current value NA
ACN01PV–ACN32PV Automation counter preset value NA
Setting Group
ACTGRP Active group setting NA
Breaker Wear
B1BCWPA, B1BCWPB, B1BCWPC Circuit Breaker 1 contact wear percent
B2BCWPA, B2BCWPB, B2BCWPC Circuit Breaker 2 contact wear percent
Date and Time
TODMS Time of day in milliseconds (0–86399999) ms
THR Hour (0–23) hours
TMIN Minute (0–59) minutes
TSEC Seconds (0–59) seconds
TMSEC Milliseconds (0–999) ms
TNSEC Nanoseconds (0–999999) ns
DDOW Day of the week
c
NA
DDOM Day of the month NA
DDOY Day of the year (1–365) NA
DMON Month NA
DYEAR Year NA
TUTC Offset from IRIG-B time to UTC time hours
TQUAL Worst-case IRIG-B clock time error seconds
Time-Error Calculation
TECORR
d
Time error correction factor seconds
TE Time error seconds
Reclosing
SPSHOT Present value of single-pole shot counter NA
3PSHOT Present value of three-pole shot counter NA
SHOT1_1 Total number of first-shot single-pole reclosures NA
SHOT1_2 Total number of second-shot single-pole reclosures NA
SHOT1_T Total number of single-pole reclosures NA
Table B.2 Analog Quantities Sorted By Function (Sheet 4 of 7)
Label Description Units
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