Schweitzer Engineering Laboratories SEL-787 - Page 448

E.34
SEL-787 Relay Instruction Manual Date Code 20081022
Modbus RTU Communications
Modbus Register Map
Negative-Sequence Overvoltage
499 (R/W) NSEQ OV LVL1 EN 0 1 0 599
0=N
1=Y
500 (R/W) NSEQ OV LEVEL V 125 3000 2400 0.1 600
501 (R/W) NSEQ OV DELAY sec 0 1200 5 0.1 601
502 (R/W) NSEQ OV LVL2 EN 0 1 0 602
0=N
1=Y
503 (R/W) NSEQ OV LEVEL V 125 3000 2400 0.1 603
504 (R/W) NSEQ OV DELAY sec 0 1200 50 0.1 604
505–514 (R) Reserved
c
0 0 0 605–614
Volts/Hertz
515 (R/W) ENABLE V/HZ PROT 0 1 1 615
0=N
1=Y
516 (R/W) XFMR WDG CONN 0 1 1 616
0=DELTA
1=WYE
517 (R/W) LVL1 V/HZ PICKUP % 100 200 105 1 617
518 (R/W) LVL1 TIME DLY sec 4 40000 100 0.01 618
519 (R/W) LVL2 CURVE SHAPE 0 4 2 619
0=OFF
1=DD
2=ID
3=I
4=U
520 (R/W) LVL2 INV-TM PU % 100 200 105 1 620
521 (R/W) LVL2 INV-TM CURV 0 2 2 621
0=0.5
1=1.0
2=2.0
522 (R/W) LVL2 INV-TM FCTR sec 1 100 1 0.1 622
523 (R/W) LVL2 PICKUP 1 % 100 200 175 1 623
524 (R/W) LVL2 TIME DLY 1 sec 4 40000 300 0.01 624
525 (R/W) LVL2 PICKUP 2 % 101 200 176 1 625
526 (R/W) LVL2 TIME DLY 2 sec 4 40000 300 0.01 626
527 (R/W) LVL2 RESET TIME sec 0 40000 24000 0.01 627
Power Elements
528 (R/W) ENABLE PWR ELEM 0 2 0 628
0=N
1=3P1
2=3P2
529 (R/W) ENABLE 3PWR1P 0 1 0 629
0=N
1=Y
530 (R/W) 3PH PWR ELEM PU VA 2 65000 20000 0.1 630
Table E.32 Modbus Register Map
a
(Sheet 13 of 38)
Modbus Register
Address
b
Name / Enums Units Min Max Def
Scale
Fa c tor
DeviceNet
Parameter
Numbers