Schweitzer Engineering Laboratories SEL-787 - Page 438

E.24
SEL-787 Relay Instruction Manual Date Code 20081022
Modbus RTU Communications
Modbus Register Map
Transformer Differential (Xfmr Differential)
298 (R/W) XFMR DIFF ENABLE 0 1 1 398
0=N
1=Y
299 (R/W) WDG1 CURR TAP A 10 3100 100 0.01 399
300 (R/W) WDG2 CURR TAP A 10 3100 100 0.01 400
301 (R/W) OPERATE CURR LVL pu 10 100 30 0.01 401
302 (R/W) 87A ENABLE 0 1 1 402
0=N
1=Y
303 (R/W) DIFF CURR AL LVL pu 5 100 15 0.01 403
304 (R/W) DIFF CURR AL DLY sec 10 1200 50 0.1 404
305 (R/W) RESTRAINT SLOPE1 % 5 90 25 1 405
306 (R) Reserved
c
000 406
307 (R/W) RESTRAINT SLOPE2 % 5 90 70 1 407
308 (R/W) RES SLOPE1 LIMIT pu 10 200 30 0.1 408
309 (R/W) UNRES CURR LVL pu 10 200 100 0.1 409
310 (R/W) PCT2 ENABLE 0 1 1 410
0=N
1=Y
311 (R/W) 2ND HARM BLOCK % 5 100 15 1 411
312 (R/W) PCT4 ENABLE 0 1 1 412
0=N
1=Y
313 (R/W) 4TH HARM BLOCK % 5 100 15 1 413
314 (R/W) PCT5 ENABLE 0 1 1 414
0=N
1=Y
315 (R/W) 5TH HARM BLOCK % 5 100 35 1 415
316 (R/W) TH5 ENABLE 0 1 0 416
0=N
1=Y
317 (R/W) 5TH HARM AL LVL pu 2 320 10 0.01 417
318 (R/W) 5TH HARM AL DLY sec 0 1200 10 0.1 418
319 (R/W) HARMONIC RESTRNT 0 1 1 419
0=N
1=Y
320 (R/W) HARM BLOCK 0 1 0 420
0=N
1=Y
321 (R) Reserved
c
000 421
Restricted Earth Fault
322 (R/W) POL QTY FROM WDG 0 3 0 422
0=OFF
1=1
2=2
3=12
323 (R/W) REF1 CURR LEVEL pu 5 300 25 0.01 423
Table E.32 Modbus Register Map
a
(Sheet 3 of 38)
Modbus Register
Address
b
Name / Enums Units Min Max Def
Scale
Fa c tor
DeviceNet
Parameter
Numbers