
E.36
SEL-787 Relay
Instruction Manual
Date Code 20081022
Modbus RTU Communications
Modbus Register Map
551 (R/W)
DEM TIME CONSTNT
min
0
4
0
651
0 = 5
1 = 10
2 = 15
3 = 30
4 = 60
552 (R/W)
PH CURR DEM LVL
A
1
160
50
0.1
652
553 (R/W)
RES CURR DEM LVL
A
1
160
10
0.1
653
554 (R/W)
3I2 CURR DEM LVL
A
1
160
10
0.1
654
555–564 (R)
Reserved
0
0
0
655–664
Trip/Close Logic
565 (R/W)
MIN TRIP TIME
sec
0
4000
5
0.1
665
566 (R/W)
CLOSE1 FAIL DLY
sec
0
4000
5
0.1
666
567 (R/W)
CLOSE2 FAIL DLY
sec
0
4000
5
0.1
667
568–575 (R)
Reserved
0
0
0
668–675
SEL
OGIC
Enables
576 (R/W)
SEL
OGIC
LATCHES
0
32
4
1
676
577 (R/W)
SV/TIMERS
0
32
5
1
677
578 (R/W)
SEL
OGIC
COUNTERS
0
32
0
1
678
579 (R/W)
MATH VARIABLES
0
32
0
1
679
580–584 (R)
Reserved
0
0
0
680–684
Output Contacts
0 = N
1 = Y
585 (R/W)
OUT101 FAIL-SAFE
0
1
1
685
586 (R/W)
OUT102 FAIL-SAFE
0
1
0
686
587 (R/W)
OUT103 FAIL-SAFE
0
1
0
687
588 (R/W)
OUT301 FAIL-SAFE
0
1
0
688
589 (R/W)
OUT302 FAIL-SAFE
0
1
0
689
590 (R/W)
OUT303 FAIL-SAFE
0
1
0
690
591 (R/W)
OUT304 FAIL-SAFE
0
1
0
691
592 (R/W)
OUT401 FAIL-SAFE
0
1
0
692
593 (R/W)
OUT402 FAIL-SAFE
0
1
0
693
594 (R/W)
OUT403 FAIL-SAFE
0
1
0
694
595 (R/W)
OUT404 FAIL-SAFE
0
1
0
695
596 (R/W)
OUT501 FAIL-SAFE
0
1
0
696
597 (R/W)
OUT502 FAIL-SAFE
0
1
0
697
598 (R/W)
OUT503 FAIL-SAFE
0
1
0
698
599 (R/W)
OUT504 FAIL-SAFE
0
1
0
699
600–604 (R)
Reserved
0
0
0
700–704
Event Report Set
605 (R/W)
EVENT LENGTH
cyc
0
1
0
705
0 = 15
1 = 64
606 (R/W)
PREFAULT LENGTH
cyc
1
59
5
1
706
607 (R)
Reserved
0
0
0
707
608 (R/W)
ENABLE ALIASES
0
20
4
1
708
Table E.32
Modbus Register Map
a
(Sheet 15 of 38)
Modbus Register
Address
b
Name / Enums
Units
Min
Max
Def
Scale
Factor
DeviceNet
Parameter
Numbers
Summary of Contents for SEL-787
Page 1: ...20081022 SEL 787 Transformer Protection Relay Instruction Manual PM787 01 NB ...
Page 6: ...This page intentionally left blank ...
Page 12: ...This page intentionally left blank ...
Page 18: ...This page intentionally left blank ...
Page 78: ...This page intentionally left blank ...
Page 206: ...This page intentionally left blank ...
Page 280: ...This page intentionally left blank ...
Page 334: ...This page intentionally left blank ...
Page 376: ...This page intentionally left blank ...
Page 388: ...This page intentionally left blank ...
Page 474: ...This page intentionally left blank ...
Page 508: ...This page intentionally left blank ...