13-28 8 SERIES PROTECTIVE RELAY PLATFORM – COMMUNICATIONS GUIDE
CHAPTER 13: MODBUS MEMORY MAP
34126 0x101D Carbon Dioxide (CO2) 0 0xFFFFFFFF 1 ppm F31 0 2 Y
34128 0x101F Carbon Monoxide (CO) 0 0xFFFFFFFF 1 ppm F31 0 2 Y
34130 0x1021 Ethylene (C2H4) 0 0xFFFFFFFF 1 ppm F31 0 2 Y
34132 0x1023 Ethane (C2H6) 0 0xFFFFFFFF 1 ppm F31 0 2 Y
34134 0x1025 Methane (CH4) 0 0xFFFFFFFF 1 ppm F31 0 2 Y
34136 0x1027 Acetylene (C2H2) 0 0xFFFFFFFF 1 ppm F31 0 2 Y
34138 0x1029 Moisture (H2O) 0 0xFFFFFFFF 1 ppm F31 0 2 Y
34140 0x102B Oxygen (O2) 0 0xFFFFFFFF 1 ppm F31 0 2 Y
34142 0x102D TDCG 0 0xFFFFFFFF 1 ppm F31 0 2 Y
34144 0x102F Nitrogen (N2) 0 0xFFFFFFFF 1 ppm F31 0 2 Y
34146 0x1031 Ambient Temperature -32768 32767 1 °C F20 0 1 Y
34147 0x1032 Hydran (H2) 0 65535 1 ppm F0 0 1 Y
34148 0x1033 Hydran Hourly Trend 0 65535 1 ppm F0 0 1 Y
34149 0x1034 Hydran Daily Trend 0 65535 1 ppm F0 0 1 Y
34150 0x1035 %RH Level 0 1000 1 % F1 0 1 Y
34151 0x1036 %RH Hourly Average 0 1000 1 % F1 0 1 Y
34152 0x1037 H2O ppm Level 0 65535 1 ppm F0 0 1 Y
34153 0x1038 H2O ppm Hourly Average 0 65535 1 ppm F0 0 1 Y
34154 0x1039 Measurement Date/
Timestamp
0 0xFFFFFFFF 1 F50 0 2 Y
DGA Gas Alarm Limits
34169 0x1048 Hydrogen (H2) Limit 0 0xFFFFFFFF 1 ppm F31 0 2 Y
34171 0x104A Carbon Dioxide (CO2)
Limit
0 0xFFFFFFFF 1 ppm F31 0 2 Y
34173 0x104C Carbon Monoxide (CO)
Limit
0 0xFFFFFFFF 1 ppm F31 0 2 Y
34175 0x104E Ethylene (C2H4) Limit 0 0xFFFFFFFF 1 ppm F31 0 2 Y
34177 0x1050 Ethane (C2H6) Limit 0 0xFFFFFFFF 1 ppm F31 0 2 Y
34179 0x1052 Methane (CH4) Limit 0 0xFFFFFFFF 1 ppm F31 0 2 Y
34181 0x1054 Acetylene (C2H2) Limit 0 0xFFFFFFFF 1 ppm F31 0 2 Y
34183 0x1056 Moisture (H2O) Limit 0 0xFFFFFFFF 1 ppm F31 0 2 Y
34185 0x1058 Oxygen (O2) Limit 0 0xFFFFFFFF 1 ppm F31 0 2 Y
34187 0x105A TDCG Limit 0 0xFFFFFFFF 1 ppm F31 0 2 Y
34189 0x105C Nitrogen (N2) Limit 0 0xFFFFFFFF 1 ppm F31 0 2 Y
DGA Alarm Limits
34201 0x1068 Hydran (H2) H Limit 0 0xFFFFFFFF 1 ppm F10 0 2 Y
34203 0x106A Hydran (H2) HH Limit 0 0xFFFFFFFF 1 ppm F10 0 2 Y
34205 0x106C Hydran Hourly Trend H
Limit
0 0xFFFFFFFF 1 ppm F10 0 2 Y
34207 0x106E Hydran Hourly Trend HH
Limit
0 0xFFFFFFFF 1 ppm F10 0 2 Y
34209 0x1070 Hydran Daily Trend H
Limit
0 0xFFFFFFFF 1 ppm F10 0 2 Y
34211 0x1072 Hydran Daily Trend HH
Limit
0 0xFFFFFFFF 1 ppm F10 0 2 Y
34213 0x1074 %RH Level H Limit 0 100 1 % F0 0 1 Y
34214 0x1075 %RH Level HH Limit 0 100 1 % F0 0 1 Y
Modbus
Address
Hex
Address
Description Min Max Step Units Format
Code
Factory
Default
Size in
Words
8
5
0
8
6
9
8
8
9
8
4
5