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E.26
SEL-787 Relay
Instruction Manual
Date Code 20081022
Modbus RTU Communications
Modbus Register Map
Winding 1 Maximum Phase Time-Overcurrent (WDG1 Max Ph TOC)
348 (R/W)
WDG1 TOC ENABLE
0
1
0
448
0 = N
1 = Y
349 (R/W)
PHASE TOC LEVEL
A
10
1600
120
0.01
449
350 (R/W)
PHASE TOC CURVE
0
9
2
450
0 = U1
1 = U2
2 = U3
3 = U4
4 = U5
5 = C1
6 = C2
7 = C3
8 = C4
9 = C5
351 (R/W)
PHASE TOC TDIAL
5
1500
300
0.01
451
352 (R/W)
EM RESET DELAY
0
1
0
452
0 = N
1 = Y
353 (R/W)
CONST TIME ADDER
sec
0
100
0
0.01
453
354 (R/W)
MIN RESPONSE TIM
sec
0
100
0
0.01
454
Winding 1 Residual Time Overcurrent (WDG1 Res TOC)
355 (R/W)
WDG1 RES TOC EN
0
1
0
455
0 = N
1 = Y
356 (R/W)
RES TOC LEVEL
A
10
1600
10
0.01
456
357 (R/W)
RES TOC CURVE
0
9
2
457
0 = U1
1 = U2
2 = U3
3 = U4
4 = U5
5 = C1
6 = C2
7 = C3
8 = C4
9 = C5
358 (R/W)
RES TOC TDIAL
5
1500
150
0.01
458
359 (R/W)
EM RESET DELAY
0
1
0
459
0 = N
1 = Y
360 (R/W)
CONST TIME ADDER
sec
0
100
0
0.01
460
361 (R/W)
MIN RESPONSE TIM
sec
0
100
0
0.01
461
Winding 1 Negative-Sequence Time-Overcurrent (WDG1 Neq Seq TOC)
362 (R/W)
WDG1 NSEQ TOC EN
0
1
0
462
0 = N
1 = Y
363 (R/W)
NSEQ TOC LEVEL
A
10
1600
120
0.01
463
Table E.32
Modbus Register Map
a
(Sheet 5 of 38)
Modbus Register
Address
b
Name / Enums
Units
Min
Max
Def
Scale
Factor
DeviceNet
Parameter
Numbers
Summary of Contents for SEL-787
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