ES749 Flow Computer
120
Register Usage (each register is 2 bytes) NOTE: The Float data type follows the IEEE format for a 32 bit oat.
ES749 Data Register Data Type
Heat Flow Reg 40001 & 40002 Float
Mass Flow Reg 40003 & 40004 Float
STDVolumeFlow Reg 40005 & 40006 Float
Volume Flow Reg 40007 & 40008 Float
Temperature 1 Reg 40009 & 40010 Float
Temperature 2 Reg 40011 & 40012 Float
Delta Temperature Reg 40013 & 40014 Float
Process Pressure Reg 40015 & 40016 Float
Diff. Pressure Reg 40017 & 40018 Float
Density Reg 40019 & 40020 Float
Specic Enthalpy Reg 40021 & 40022 Float
Heat Total Reg 40023 & 40024 Float
Mass Total Reg 40025 & 40026 Float
STDVolumeTotal Reg 40027 & 40028 Float
Volume Total Reg 40029 & 40030 Float
Heat Grand Total Reg 40031 & 40032 Float
Mass Grand Total Reg 40033 & 40034 Float
STDVolumeGrandTotal Reg 40035 & 40036 Float
Volume Grand Total Reg 40037 & 40038 Float
Alarm Point 1 Reg 40039 & 40040 Float
Alarm Point 2 Reg 40041 & 40042 Float
Alarm Point 3 Reg 40043 & 40044 Float
Year Reg 40045 Integer
Month Reg 40046 Integer
Day Reg 40047 Integer
Hours Reg 40048 Integer
Min Reg 40049 Integer
Sec Reg 40050 Integer
Peak Demand Reg 40051 & 40052 Float
Demand Last Reg 40053 & 40054 Float
Viscosity Reg 40055 & 40056 Float
Abs. Viscosity Reg 40057 & 40058 Float
Reserved Reg 40059 & 40060 Float
Power Lost Hour Reg 40061 Integer
Power Lost Min. Reg 40062 Integer
Reserved Reg 40063 & 40064 Float
Reserved Reg 40065 & 40066 Float
Reserved Reg 40067 & 40068 Float
Reserved Reg 40069 & 40070 Float
Reserved Reg 40071 & 40072 Float
Reserved Reg 40073 & 40074 Float
Reserved Reg 40075 & 40076 Float
Time base Reg 40077 Integer
Heat Flow Units Reg 40078 Integer
Mass Flow Units Reg 40079 Integer
STDFlowUnits Reg 40080 Integer
Vol. Flow Units Reg 40081 Integer
Temperature Units Reg 40082 Integer
Pressure Units Reg 40083 Integer
Density Units Reg 40084 Integer
Heat Total Units Reg 40085 Integer
Mass Total Units Reg 40086 Integer
Register & Coil Usage
Appendix C- RS-485 Modbus Protocol (continued)
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