![Schweitzer Engineering Laboratories SEL-321 Instruction Manual Download Page 60](http://html.mh-extra.com/html/schweitzer-engineering-laboratories/sel-321/sel-321_instruction-manual_1216711060.webp)
2-36
Specifications
Date Code 20011026
SEL-321/321-1 Instruction Manual
Element Comment
50AB4
50AB3
50AB2
50AB1
ATPC
ATPB
ATPA
50PPL
AB Overcurrent Supervision, Zone 4
AB Overcurrent Supervision, Zone 3
AB Overcurrent Supervision, Zone 2
AB Overcurrent Supervision, Zone 1
Assert Trip C
Assert Trip B
Assert Trip A
Current latch for DCB scheme after polarizing memory expires.
50CA4
50CA3
50CA2
50CA1
50BC4
50BC3
50BC2
50BC1
CA Overcurrent Supervision, Zone 4
CA Overcurrent Supervision, Zone 3
CA Overcurrent Supervision, Zone 2
CA Overcurrent Supervision, Zone 1
BC Overcurrent Supervision, Zone 4
BC Overcurrent Supervision, Zone 3
BC Overcurrent Supervision, Zone 2
BC Overcurrent Supervision, Zone 1
*
51NR
51QR
51PR
*
*
*
*
Reserved For Future Use
Residual Time-Overcurrent Element Resetting
Negative-Sequence Time-Overcurrent Element Resetting
Phase Time-Overcurrent Element Resetting
Reserved For Future Use
Reserved For Future Use
Reserved For Future Use
Reserved For Future Use
Table 2.22 shows the status indicators for the input and output contacts for one I/O board relays.
Table 2.23 shows status indicators for the input and output contacts for two I/O board relays.
Table 2.22: Input/Output Contact Targets
(One I/O Board Version, SEL-321-1 Relay Only)
TAR Status
Indicators
40
OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8
41
OUT9 OUT10 OUT11 OUT12 OUT13 OUT14 OUT15 !ALARM
42
TMB8 TMB7 TMB6 TMB5 TMB4 TMB3 TMB2 TMB1
43
MIRBRK MIRFRA MIRPAR MIROVR MIRIN MIRSYC MIRDAT MIRDIS
44
IN8 IN7 IN6 IN5 IN4 IN3 IN2 IN1
45
RMB8 RMB7 RMB6 RMB5 RMB4 RMB3 RMB2 RMB1
Summary of Contents for SEL-321
Page 4: ......
Page 10: ......
Page 12: ......
Page 162: ......
Page 171: ...Date Code 20011026 Event Reporting 4 9 SEL 321 321 1 Instruction Manual ...
Page 263: ...SEL DIRECTION AND POLARITY CHECK FORM ...
Page 264: ......
Page 265: ...SEL DIRECTION AND POLARITY CHECK FORM ...
Page 266: ......
Page 270: ......
Page 358: ......
Page 360: ......
Page 362: ......
Page 366: ......
Page 370: ......
Page 390: ......