Sel 751A - Page 498

E.36
SEL-751A Relay Instruction Manual Date Code 20100129
Modbus RTU Communications
Modbus Register Map
450 (R/W) RTD10 TRIP LEVEL degC 0 250 0 1 550
0 = Off
451 (R/W) RTD10 WARN LEVEL degC 0 250 0 1 551
0 = Off
452 (R/W) RTD11 LOCATION 0 4 0 1 552
0 = OFF
1 = WDG
2 = BRG
3 = AMB
4 = OTH
453 (R/W) RTD11 TYPE 0 3 0 1 553
0 = PT100
1 = NI100
2 = NI120
3 = CU10
454 (R/W) RTD11 TRIP LEVEL degC 0 250 0 1 554
0 = Off
455 (R/W) RTD11 WARN LEVEL degC 0 250 0 1 555
0 = Off
456 (R/W) RTD12 LOCATION 0 4 0 1 556
0 = OFF
1 = WDG
2 = BRG
3 = AMB
4 = OTH
457 (R/W) RTD12 TYPE 0 3 0 1 557
0 = PT100
1 = NI100
2 = NI120
3 = CU10
458 (R/W) RTD12 TRIP LEVEL degC 0 250 0 1 558
0 = Off
459 (R/W) RTD12 WARN LEVEL degC 0 250 0 1 559
0 = Off
460 (R/W) WIND TRIP VOTING 0 1 0 1 560
0 = N
1 = Y
461 (R/W) BEAR TRIP VOTING 0 1 0 1 561
0 = N
1 = Y
Undervoltage Settings
462 (R/W) UV TRIP1 ENABLE 0 1 0 562
0 = N
1 = Y
463 (R/W) UV TRIP1 LEVEL xVnm 2 100 80 0.01 563
464 (R/W) UV TRIP1 DELAY sec 0 1200 5 0.1 564
465 (R/W) UV TRIP2 ENABLE 0 1 0 565
0 = N
1 = Y
466 (R/W) UV TRIP2 LEVEL xVnm 2 100 80 0.01 566
467 (R/W) UV TRIP2 DELAY sec 0 1200 50 0.1 567
468 (R/W) UVS LVL1 ENABLE 0 1 0 568
0 = N
1 = Y
Table E.32 Modbus Register Map
a
(Sheet 11 of 56)
Modbus Register
Address
b
Name/Enums Units Min Max Default
Scale
Facto r
DeviceNet
Parameter
Numbers