Sel 751A - Page 528

E.66
SEL-751A Relay Instruction Manual Date Code 20100129
Modbus RTU Communications
Modbus Register Map
1703 (R) PEAKD RST DAT mm 1 12 1 1 1803
1704 (R) PEAKD RST DAT yy 2000 9999 2000 1 1804
1705-1718 (R) Reserved
c
0 0 0 1805-1818
Reserved Area 5
1719–1745 (R) Reserved
c
0 0 0 1819–1845
Historical Data
1746 (R) NO. EVENT LOGS 0 50 0 1 1846
1747 (R/W) EVENT LOG SEL. 0 50 0 1 1847
1748 (R) EVENT TIME ss 0 5999 0 0.01 1848
1749 (R) EVENT TIME mm 0 59 0 1 1849
1750 (R) EVENT TIME hh 0 23 0 1 1850
1751 (R) EVENT DAY dd 1 31 1 1 1851
1752 (R) EVENT DAY mm 1 12 1 1 1852
1753 (R) EVENT DAY yy 0 9999 2000 1 1853
1754 (R) EVENT TYPE 0 27 0 1 1854
0 = TRIP*
1 = PHASE A1 50 TRIP
2 = PHASE B1 50 TRIP
3 = PHASE C1 50 TRIP
4 = PHASE 50 TRIP
5 = GND/NEUT 50 TRIP
6 = NEG SEQ 50 TRIP
7 = PHASE A 51 TRIP
8 = PHASE B 51 TRIP
9 = PHASE C 51 TRIP
10 = PHASE 51 TRIP
11 = GND/NEUT 51 TRIP
12 = NEG SEQ 51 TRIP
13 = 59 TRIP
14 = 55 TRIP
15 = 81 UF TRIP
16 = 81 OF TRIP
17 = POWERELEMNT TRIP
18 = ARC FLASH TRIP
19 = RTD TRIP
20 = REMOTE TRIP
21 = 27 TRIP
22 = RTD FAIL TRIP
23 = BREAKER FAILURE TRIP
24 = COMMIDLELOSSTRIP
25 = TRIGGER
26 = ER TRIGGER
27 = TRIP
28 = AG fault, no OC trip, GFLT=1
29 = BG fault, no OC trip, GFLT=1
30 = ABG fault, no OC trip, GFLT=1
31 = CG fault, no OC trip, GFLT=1
32 = CAG fault, no OC trip, GFLT=1
33 = BCG fault, no OC trip, GFLT=1
34 = ABC fault, no OC trip, GFLT=1
35 = AG fault, OC trip, GFLT=1
36 = BG fault, OC trip, GFLT=1
Table E.32 Modbus Register Map
a
(Sheet 41 of 56)
Modbus Register
Address
b
Name/Enums Units Min Max Default
Scale
Facto r
DeviceNet
Parameter
Numbers