Schweitzer Engineering Laboratories SEL-321 - Table 2.13: Internal Element Summary

2-30 Specifications Date Code 20011026
SEL-321/321-1 Instruction Manual
Table 2.13: Internal Element Summary
Element Comment
RAG4
RAG3
RAG2
RAG1
MER
MTO
MTU
MTCS
A-phase-Ground Resistance Blinder, Zone 4
A-phase-Ground Resistance Blinder, Zone 3
A-phase-Ground Resistance Blinder, Zone 2
A-phase-Ground Resistance Blinder, Zone 1
Mask to Trigger Event Report Variable
Mask for Trip - Breaker Open Variable
Mask for Trip Unconditional Variable
Mask for Trip Communications Scheme Variable
RCG4
RCG3
RCG2
RCG1
RBG4
RBG3
RBG2
RBG1
C-phase-Ground Resistance Blinder, Zone 4
C-phase-Ground Resistance Blinder, Zone 3
C-phase-Ground Resistance Blinder, Zone 2
C-phase-Ground Resistance Blinder, Zone 1
B-phase-Ground Resistance Blinder, Zone 4
B-phase-Ground Resistance Blinder, Zone 3
B-phase-Ground Resistance Blinder, Zone 2
B-phase-Ground Resistance Blinder, Zone 1
50AL4
50AL3
50AL2
50AL1
VPOLV
N3PT
L3PT
PTRX
A-phase Supervisory Overcurrent, Zone 4
A-phase Supervisory Overcurrent, Zone 3
A-phase Supervisory Overcurrent, Zone 2
Af Supervisory Overcurrent, Zone 1
Positive-Sequence Polarizing Voltage Valid
Not Three-Pole Trip
Line Three-Pole Trip
Permissive Trip Received
50CL4
50CL3
50CL2
50CL1
50BL4
50BL3
50BL2
50BL1
C-phase Supervisory Overcurrent, Zone 4
C-phase Supervisory Overcurrent, Zone 3
C-phase Supervisory Overcurrent, Zone 2
C-phase Supervisory Overcurrent, Zone 1
B-phase Supervisory Overcurrent, Zone 4
B-phase Supervisory Overcurrent, Zone 3
B-phase Supervisory Overcurrent, Zone 2
B-phase Supervisory Overcurrent, Zone 1
50G4
50G3
50G2
50G1
50CL
50BL
50AL
*
Residual Overcurrent Supervision, Zone 4
Residual Overcurrent Supervision, Zone 3
Residual Overcurrent Supervision, Zone 2
Residual Overcurrent Supervision, Zone 1
Any C-phase Overcurrent Supervision Element Picked Up
Any B-phase Overcurrent Supervision Element Picked Up
Any A-phase Overcurrent Supervision Element Picked Up
Reserved for Future Use