Schweitzer Engineering Laboratories SEL-749M - Page 252

D.18
SEL-749M Relay Instruction Manual Date Code 20080918
Modbus RTU Communications Protocol
Modbus Register Map
0077 RTD10 TYPE
0 = PT100
1 = NI100
2 = NI120
3 = CU10
03 1 219
0078 (RW) RTD10 TRIP LEVEL
0 = Off
°C 0 250 1 1 220
0079 (RW) RTD10 WARN LEVEL
0 = Off
°C 0 250 1 1 221
007A (RW) RTD11 LOCATION
0 = OFF
1 = WDG
2 = BRG
3 = AMB
4 = OTH
04 1 222
007B (RW) RTD11 TYPE
0 = PT100
1 = NI100
2 = NI120
3 = CU10
03 1 223
007C (RW) RTD11 TRIP LEVEL
0 = Off
°C 0 250 1 1 224
007D (RW) RTD11 WARN LEVEL
0 = Off
°C 0 250 1 1 225
007E (RW) RTD12 LOCATION
0 = OFF
1 = WDG
2 = BRG
3 = AMB
4 = OTH
04 1 226
007F (RW) RTD12 TYPE
0 = PT100
1 = NI100
2 = NI120
3 = CU10
03 1 227
0080 (RW) RTD12 TRIP LEVEL
0 = Off
°C 0 250 1 1 228
0081 (RW) RTD12 WARN LEVEL
0 = Off
°C 0 250 1 1 229
0082 (RW) WIND TRIP VOTING
0 = N
1 = Y
01 1 230
0083 (RW) BEAR TRIP VOTING
0 = N
1 = Y
01 1 231
0084 (RW) TMP RTD BIASING?
0 = N
1 = Y
01 1 232
Table D.23 Modbus Register Map
a
(Sheet 8 of 26)
Address
b
(Hex) Name/Enums
c
Units
Range
Scale
Fa c tor
DeviceNet
Parameter
Number
Low High Step
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