Schweitzer Engineering Laboratories SEL-749M - Page 261

D.27
Date Code 20080918 Instruction Manual SEL-749M Relay
Modbus RTU Communications Protocol
Modbus Register Map
Alarm Counters
014E (R) OVERLOAD 0 65535 1 434
014F (R) LOCKED ROTOR 0 65535 1 435
0150 (R) UNDERCURRENT 0 65535 1 436
0151 (R) JAM 0 65535 1 437
0152 (R) CURRENT IMBAL 0 65535 1 438
0153 (R) OVERCURRENT 0 65535 1 439
0154 (R) GROUND FAULT 0 65535 1 440
0155 (R) SPEED SWITCH 0 65535 1 441
0156 (R) UNDERVOLTAGE 0 65535 1 442
0157 (R) OVERVOLTAGE 0 65535 1 443
0158 (R) UNDERPOWER 0 65535 1 444
0159 (R) POWER FACTOR 0 65535 1 445
015A (R) REACTIVE POWER 0 65535 1 446
015B (R) UNDERFREQUENCY 0 65535 1 447
015C (R) OVERFREQUENCY 0 65535 1 448
015D (R) RTD 0 65535 1 449
015E (R) TOTAL ALARMS 0 65535 1 450
Trip Counters
015F (R) OVERLOAD 0 65535 1 451
0160 (R) LOCKED ROTOR 0 65535 1 452
0161 (R) UNDERCURRENT 0 65535 1 453
0162 (R) JAM 0 65535 1 454
0163 (R) CURRENT IMBAL 0 65535 1 455
0164 (R) OVERCURRENT 0 65535 1 456
0165 (R) GROUND FAULT 0 65535 1 457
0166 (R) SPEED SWITCH 0 65535 1 458
0167 (R) UNDERVOLTAGE 0 65535 1 459
0168 (R) OVERVOLTAGE 0 65535 1 460
0169 (R) UNDERPOWER 0 65535 1 461
016A (R) POWER FACTOR 0 65535 1 462
016B (R) REACTIVE POWER 0 65535 1 463
016C (R) PHASE REVERSAL 0 65535 1 464
016D (R) UNDERFREQUENCY 0 65535 1 465
016E (R) OVERFREQUENCY 0 65535 1 466
016F (R) RTD 0 65535 1 467
0170 (R) PTC 0 65535 1 468
0171 (R) STARTTIMER 0 65535 1 469
0172 (R) REMOTE TRIP 0 65535 1 470
0173 (R) OTHER TRIPS 0 65535 1 471
0174 (R) TOTAL TRIPS 0 65535 1 472
Table D.23 Modbus Register Map
a
(Sheet 17 of 26)
Address
b
(Hex) Name/Enums
c
Units
Range
Scale
Fa c tor
DeviceNet
Parameter
Number
Low High Step
Courtesy of NationalSwitchgear.com