Schweitzer Engineering Laboratories SEL-751 - Page 771

E.57
Date Code 20170927 Instruction Manual SEL-751 Relay
Modbus RTU Communications
Communications Protocol
1699 (R) EVENT TYPE 0 55 0 1 1799
1700 (R) FAULT LOCATION -32768 32767 0 0.1 1800
1701 (R) EVENT TARGETS 0 255 0 1 1801
Bit 0 = TLED_06
Bit 1 = TLED_05
Bit 2 = TLED_04
Bit 3 = TLED_03
Bit 4 = TLED_02
Bit 5 = TLED_01
Bit 6 = TRIP_LED
Bit 7 = ENABLED
1702 (R) EVENT IA A 0 65535 0 1 1802
1703 (R) EVENT IB A 0 65535 0 1 1803
1704 (R) EVENT IC A 0 65535 0 1 1804
1705 (R) EVENT IN A 0 65535 0 1 1805
1706 (R) EVENT IG A 0 65535 0 1 1806
1707 (R) EVENT VAB/VAN kV 0 65535 0 0.01 1807
1708 (R) EVENT VBC/VBN kV 0 65535 0 0.01 1808
1709 (R) EVENT VCA/VCN kV 0 65535 0 0.01 1809
1710 (R) EVENT VG kV 0 65535 0 0.01 1810
1711 (R) EVENT DELTA/WYE 0 1 0 1 1811
0 = DELTA
1 = WYE
1712 (R) EVENT FREQ Hz 2000 7000 6000 0.01 1812
1713 (R) EVNT MAX WDG RTD
°C -32768 32767 0 1 1813
1714 (R) EVNT MAX BRG RTD
°C -32768 32767 0 1 1814
1715 (R) EVNT MAX AMB RTD °C -32768 32767 0 1 1815
1716 (R) EVNT MAX OTH RTD
°C -32768 32767 0 1 1816
1717 (R) FAULT IMP MAG Ohm 0 65535 0 0.01 1817
1718 (R) FAULT IMP ANGLE deg –18000 18000 0 0.01 1818
1719–1729 (R) Reserved
c
1819–1829
Table E.34 Modbus Register Map
a
(Sheet 33 of 38)
Modbus Register
Address
b
Name/Enums Units Min Max Default
Scale
Fac to r
DeviceNet
Parameter
Numbers
0 = NA 19 = RTD TRIP 38 = CG T
1 = PHASE A1 50 TRIP 20 = REMOTE TRIP 39 = CAG T
2 = PHASE B1 50 TRIP 21 = 27 TRIP 40 = BCG T
3 = PHASE C1 50 TRIP 22 = RTD FAIL TRIP 41 = ABC T
4 = PHASE 50 TRIP 23 = BKR FAILURE TRIP 42 = AG
5 = GND/NEUT 50 TRIP 24 = COMMIDLELOSSTRIP 43 = BG
6 = NEG SEQ 50 TRIP 25 = TRIGGER 44 = AB
7 = PHASE A 51 TRIP 26 = ER TRIGGER 45 = CG
8 = PHASE B 51 TRIP 27 = TRIP 46 = CA
9 = PHASE C 51 TRIP 28 = AG 47 = BC
10 = PHASE 51 TRIP 29 = BG 48 = ABC
11 = GND/NEUT 51 TRIP 30 = ABG 49 = AG T
12 = NEG SEQ 51 TRIP 31 = CG 50 = BG T
13 = 59 TRIP 32 = CAG 51 = AB T
14 = 55 TRIP 33 = BCG 52 = CG T
15 = 81 UF TRIP 34 = ABC 53 = CA T
16 = 81 OF TRIP 35 = AG T 54 = BC T
17 = POWERELEMNT TRIP 36 = BG T 55 = ABC T
18 = ARC FLASH TRIP 37 = ABG T 56 = 78 TRIP
57 = 49 THERMAL
TRIP