Sel 751A, Instruction Manual

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E.27
Date Code 20100129 Instruction Manual SEL-751A Relay
Modbus RTU Communications
Modbus Register Map
Breaker Failure Settings
266 (R/W) 52A INTERLOCK 0 1 0 366
0 = N
1 = Y
267 (R/W) BK FAILURE DELAY sec 0 200 50 00.01 367
268 (R) Reserved
c
0 0 0 368
DC Battery Monitor
269 (R/W) DC UNDER VOLT EN 0 1 0 369
0 = N
1 = Y
270 (R/W) DC UNDER VOLT PU V 2000 30000 2000 0.01 370
271 (R/W) DC OVER VOLT EN 0 1 0 371
0 = N
1 = Y
272 (R/W) DC OVER VOLT PU V 2000 30000 30000 0.01 372
Configuration Settings
273 (R/W) PHASE CT RATIO 1 5000 120 1 373
274 (R/W) NEUTRAL CT RATIO 1 5000 120 1 374
275 (R/W) PHASE PT RATIO-I 1 10000 180 1 375
276 (R/W) PHASE PT RATIO-F 0 99 0 0.01 376
277 (R/W) SYNCV PT RATIO-I 1 10000 180 1 377
278 (R/W) SYNCV PT RATIO-F 0 99 0 0.01 378
279 (R/W) XFMR CONNECTION 0 1 0 379
0 = DELTA
1 = WYE
280 (R/W) LINE VOLTAGE V 10000 44000 12000 0.01 380
281 (R/W) SINGLE V INPUT 0 1 0 381
0 = N
1 = Y
282–283 (R) Reserved
c
0 0 0 382–383
Maximum Phase Overcurrent
284 (R/W) MAXP OC L1 EN 0 1 1 384
0 = N
1 = Y
285 (R/W) MAXP OC TRIP L1 A 10 10000 1000 0.01 385
286 (R/W) MAXP OC L1 DLY sec 0 500 0 0.01 386
287 (R/W) MAXP OC L2 EN 0 1 1 387
0 = N
1 = Y
288 (R/W) MAXP OC TRIP L2 A 10 10000 1000 0.01 388
289 (R/W) MAXP OC L2 DLY sec 0 500 0 0.01 389
290 (R/W) MAXP OC L3 EN 0 1 1 390
0 = N
1 = Y
291 (R/W) MAXP OC TRIP L3 A 10 10000 1000 0.01 391
292 (R/W) MAXP OC L3 DLY sec 0 500 0 0.01 392
293 (R/W) MAXP OC L4 EN 0 1 1 393
0 = N
1 = Y
294 (R/W) MAXP OC TRIP L4 A 10 10000 1000 0.01 394
295 (R/W) MAXP OC L4 DLY sec 0 500 0 0.01 395
Table E.32 Modbus Register Map
a
(Sheet 2 of 56)
Modbus Register
Address
b
Name/Enums Units Min Max Default
Scale
Factor
DeviceNet
Parameter
Numbers