Schweitzer Engineering Laboratories SEL-749M - Page 258

D.24
SEL-749M Relay Instruction Manual Date Code 20080918
Modbus RTU Communications Protocol
Modbus Register Map
Current Data
00E3 (R) IA CURRENT A 0 65535 1 327
00E4 (R) IA ANGLE deg –1800 1800 0.1 328
00E5 (R) IB CURRENT A 0 65535 1 329
00E6 (R) IB ANGLE deg –1800 1800 0.1 330
00E7 (R) IC CURRENT A 0 65535 1 331
00E8 (R) IC ANGLE deg –1800 1800 0.1 332
00E9 (R) IN CURRENT A 0 65535 1 333
00EA (R) IN ANGLE deg –1800 1800 0.1 334
00EB (R) IG CURRENT A 0 65535 1 335
00EC (R) IG ANGLE deg –1800 1800 0.1 336
00ED (R) AVERAGE CURRENT A 0 65535 1 337
00EE (R) MOTOR LOAD xFLA 0 120 0.1 338
00EF (R) NEG-SEQ CURR 3I2 A 0 65535 1 339
00F0 (R) CURRENT IMBAL % 0 1000 0.1 340
Voltage Data
00F1 (R) VAB V 0 65535 1 341
00F2 (R) VAB ANGLE deg –1800 1800 0.1 342
00F3 (R) VBC V 0 65535 1 343
00F4 (R) VBC ANGLE deg –1800 1800 0.1 344
00F5 (R) VCA V 0 65535 1 345
00F6 (R) VCA ANGLE deg –1800 1800 0.1 346
00F7 (R) AVERAGE LINE V 0 65535 1 347
00F8 (R) VAN V 0 65535 1 348
00F9 (R) VAN ANGLE deg –1800 1800 0.1 349
00FA (R) VBN V 0 65535 1 350
00FB (R) VBN ANGLE deg –1800 1800 0.1 351
00FC (R) VCN V 0 65535 1 352
00FD (R) VCN ANGLE deg –1800 1800 0.1 353
00FE (R) VG V 0 65535 1 354
00FF (R) VG ANGLE deg –1800 1800 0.1 355
0100 (R) AVERAGE PHASE V 0 65535 1 356
0101 (R) VOLTAGE IMBAL % 0 1000 0.1 357
0102 (R) NEG-SEQ VOLT 3V2 V 0 65535 1 358
Power Data
0103 (R) REAL POWER kW –32768 32767 1 359
0104 (R) REACTIVE POWER kVAR –32768 32767 1 360
0105 (R) APPARENT POWER kVA –32768 32767 1 361
0106 (R) POWER FACTOR –100 100 0.01 362
0107 (R) FREQUENCY Hz 0 660 0.1 363
Table D.23 Modbus Register Map
a
(Sheet 14 of 26)
Address
b
(Hex) Name/Enums
c
Units
Range
Scale
Fa c tor
DeviceNet
Parameter
Number
Low High Step
Courtesy of NationalSwitchgear.com