Schweitzer Engineering Laboratories SEL-749M - Page 262

D.28
SEL-749M Relay Instruction Manual Date Code 20080918
Modbus RTU Communications Protocol
Modbus Register Map
Historical Data
0175 (R) NO. EVENT LOGS 0 5 1 473
0176 (R) EVENT LOG SEL. 1 5 1 474
0177 (R) EVENT TIME ss 0 5999 0.01 475
0178 (R) EVENT TIME mm 0 59 1 476
0179 (R) EVENT TIME hh 0 23 1 477
017A (R) EVENT DAY dd 0 31 1 478
017B (R) EVENT DAY mm 0 12 1 479
017C (R) EVENT DAY yy 0 9999 1 480
017D (R) EVENT TYPE
0 = NO TRIP
1 = OVERLOAD TRIP
2= LOCKD ROTOR TRIP
3 = UNDERCURR TRIP
4 = JAM TRIP
5 = CURR IMBAL TRIP
6 = OVERCURRENT TRIP
7 = GROUND FLT TRIP
8 = SPEED SW TRIP
9 = UNDERVOLT TRIP
10 = OVERVOLT TRIP
11 = UNDERPOWER TRIP
12 = PWR FACTOR TRIP
13 = REACT PWR TRIP
14 = PHASE REV TRIP
15 = UNDERFREQ TRIP
16 = OVERFREQ TRIP
17 = RTD TRIP
18 = PTC TRIP
19 = START TIME TRIP
20 = RESERVED
21 = RTD FAIL TRIP
22 = PTC FAIL TRIP
23 = RESERVED
24 = TRIGGER
25 = COMMIDLELOSS TRIP
26 = REMOTE TRIP
27 = RESERVED
28 = RESERVED
29 = STOP COMMAND
30 = ER TRIGGER
31 = TRIP
031 1 481
017E (R) EVENT IA A 0 65535 1 482
017F (R) EVENT IB A 0 65535 1 483
0180 (R) EVENT IC A 0 65535 1 484
0181 (R) EVENT IN A 0 65535 1 485
0182 (R) EVENT IG A 0 65535 1 486
0183 (R) EVENT VAB/VAN V 0 65535 1 487
Table D.23 Modbus Register Map
a
(Sheet 18 of 26)
Address
b
(Hex) Name/Enums
c
Units
Range
Scale
Fa c tor
DeviceNet
Parameter
Number
Low High Step
Courtesy of NationalSwitchgear.com