Schweitzer Engineering Laboratories SEL-749M - Page 249

D.15
Date Code 20080918 Instruction Manual SEL-749M Relay
Modbus RTU Communications Protocol
Modbus Register Map
0053 (RW) RTD1 TYPE
0 = PT100
1 = NI100
2 = NI120
3 = CU10
03 1 183
0054 (RW) RTD1 TRIP LEVEL
0 = Off
°C 0 250 1 1 184
0055 (RW) RTD1 WARN LEVEL
0 = Off
°C 0 250 1 1 185
0056 (RW) RTD2 LOCATION
0 = OFF
1 = WDG
2 = BRG
3 = AMB
4 = OTH
04 1 186
0057 (RW) RTD2 TYPE
0 = PT100
1 = NI100
2 = NI120
3 = CU10
03 1 187
0058 (RW) RTD2 TRIP LEVEL
0 = Off
°C 0 250 1 1 188
0059 (RW) RTD2 WARN LEVEL
0 = Off
°C 0 250 1 1 189
005A (RW) RTD3 LOCATION
0 = OFF
1 = WDG
2 = BRG
3 = AMB
4 = OTH
04 1 190
005B (RW) RTD3 TYPE
0 = PT100
1 = NI100
2 = NI120
3 = CU10
03 1 191
005C (RW) RTD3 TRIP LEVEL
0 = Off
°C 0 250 1 1 192
005D (RW) RTD3 WARN LEVEL
0 = Off
°C 0 250 1 1 193
005E (RW) RTD4 LOCATION
0 = OFF
1 = WDG
2 = BRG
3 = AMB
4 = OTH
04 1 194
Table D.23 Modbus Register Map
a
(Sheet 5 of 26)
Address
b
(Hex) Name/Enums
c
Units
Range
Scale
Fa c tor
DeviceNet
Parameter
Number
Low High Step
Courtesy of NationalSwitchgear.com