Sel 751A - Page 490

E.28
SEL-751A Relay Instruction Manual Date Code 20100129
Modbus RTU Communications
Modbus Register Map
Neutral Overcurrent
296 (R/W) NEUT OC L1 EN 0 1 0 396
0 = N
1 = Y
297 (R/W) NEUT OC TRIP L1 A 10 10000 200 0.01 397
298 (R/W) NEUT OC TRIP L1 mA 1 10000 100 0.1 398
299 (R/W) NEUT OC L1 DLY sec 0 500 50 0.01 399
300 (R/W) NEUT OC L2 EN 0 1 0 400
0 = N
1 = Y
301 (R/W) NEUT OC TRIP L2 A 10 10000 200 0.01 401
302 (R/W) NEUT OC TRIP L2 mA 1 10000 100 0.1 402
303 (R/W) NEUT OC L2 DLY sec 0 500 50 0.01 403
304 (R/W) NEUT OC L3 EN 0 1 0 404
0 = N
1 = Y
305 (R/W) NEUT OC TRIP L3 A 10 10000 200 0.01 405
306 (R/W) NEUT OC TRIP L3 mA 1 10000 100 0.1 406
307 (R/W) NEUT OC L3 DLY sec 0 500 50 0.01 407
308 (R/W) NEUT OC L4 EN 0 1 0 408
0 = N
1 = Y
309 (R/W) NEUT OC TRIP L4 A 10 10000 200 0.01 409
310 (R/W) NEUT OC TRIP L4 mA 1 10000 100 0.1 410
311 (R/W) NEUT OC L4 DLY sec 0 500 50 0.01 411
Residual Overcurrent
312 (R/W) RES OC L1 EN 0 1 0 412
0 = N
1 = Y
313 (R/W) RES OC TRIP L1 A 10 10000 200 0.01 413
314 (R/W) RES OC L1 DLY sec 0 500 50 0.01 414
315 (R/W) RES OC L2 EN 0 1 0 415
0 = N
1 = Y
316 (R/W) RES OC TRIP L2 A 10 10000 200 0.01 416
317 (R/W) RES OC L2 DLY sec 0 500 50 0.01 417
318 (R/W) RES OC L3 EN 0 1 0 418
0 = N
1 = Y
319 (R/W) RES OC TRIP L3 A 10 10000 200 0.01 419
320 (R/W) RES OC L3 DLY sec 0 500 50 0.01 420
321 (R/W) RES OC L4 EN 0 1 0 421
0 = N
1 = Y
322 (R/W) RES OC TRIP L4 A 10 10000 200 0.01 422
323 (R/W) RES OC L4 DLY sec 0 500 50 0.01 423
Negative-Sequence Overcurrent
324 (R/W) NSEQ OC L1 EN 0 1 0 424
0 = N
1 = Y
Table E.32 Modbus Register Map
a
(Sheet 3 of 56)
Modbus Register
Address
b
Name/Enums Units Min Max Default
Scale
Facto r
DeviceNet
Parameter
Numbers