E.30
SEL-787 Relay Instruction Manual Date Code 20150130
Modbus RTU Communications
Modbus Register Map
421 (R/W) NEUT TOC LEVEL A 10 1600 10 0.01 521
422 (R/W) NEUT TOC CURVE 0 9 2 522
0 = U1 5 = C1
1 = U2 6 = C2
2 = U3 7 = C3
3 = U4 8 = C4
4 = U5 9 = C5
423 (R/W) NEUT TOC TDIAL 5 1500 150 0.01 523
424 (R/W) EM RESET DELAY 0 1 0 524
0=N
1=Y
425 (R/W) CONST TIME ADDER sec 0 100 0 0.01 525
426 (R/W) MIN RESPONSE TIM sec 0 100 0 0.01 526
427–431 (R) Reserved
c
0 0 0 527–531
RTD Settings
432 (R/W) RTD ENABLE 0 2 0 532
0 = NONE
1=INT
2=EXT
433 (R/W) RTD1 LOCATION 0 2 0 533
0=OFF
1=AMB
2=OTH
434 (R/W) RTD1 TYPE 0 3 0 534
0 = PT100
1 = NI100
2 = NI120
3=CU10
435 (R/W) RTD1 TRIP LEVEL degC 0 250 0 1 535
0=Off
436 (R/W) RTD1 WARN LEVEL degC 0 250 0 1 536
0=Off
437 (R/W) RTD2 LOCATION 0 2 0 537
0=OFF
1=AMB
2=OTH
438 (R/W) RTD2 TYPE 0 3 0 538
0 = PT100
1 = NI100
2 = NI120
3=CU10
439 (R/W) RTD2 TRIP LEVEL degC 0 250 0 1 539
0=Off
440 (R/W) RTD2 WARN LEVEL degC 0 250 0 1 540
0=Off
441 (R/W) RTD3 LOCATION 0 2 0 541
0=OFF
1=AMB
2=OTH
442 (R/W) RTD3 TYPE 0 3 0 542
0 = PT100
1 = NI100
2 = NI120
3=CU10
443 (R/W) RTD3 TRIP LEVEL degC 0 250 0 1 543
0=Off
444 (R/W) RTD3 WARN LEVEL degC 0 250 0 1 544
Table E.34 Modbus Register Map
a
(Sheet 8 of 36)
Modbus Register
Address
b
Name / Enums Units Min Max Def
Scale
Fac tor
DeviceNet
Parameter
Numbers