Rockwell Automation 1758-RTU202 DataSite Software User Manual FRN 1.2 - Manual (Page 331)

Publication 1758-UM002D-EN-P - October 2010
Enron Modbus Protocol for the 1758-FLO DataSite Controller 331
Accumulated flow variables
Register Description Access
7017 Flow volume at base conditions during the contract day RO
7018 Flow mass at base conditions during the contract day RO
7019 Reserved —
7020 Reserved —
7021 Mass quantity of the previous day RO
7022 Volume quantity of the previous day in base conditions RO
7023 Volume quantity of the previous day in flowing conditions RO
7024…7028 Reserved —
7029 Average differential pressure for the hour RO
7030 Average static pressure for the hour RO
7031 Average temperature for the hour RO
7032 Average differential pressure for the day RO
7033 Average static pressure for the day RO
7034 Average temperature for the day RO
Other variables
Register Description Access
7035 K factor. Range: 0.001…1000000 R/W
7036 Relative density. Range: 0.0…10.0 R/W
7037…7039 Reserved —
7040 Expansion factor based on the absolute static pressure
measured at upstream tap RO
7041 Expansion factor based on the absolute static pressure
measured at downstream tap RO
7042 Coefficient of discharge RO
Temperature input variables
Register Description Access
7043 Temperature b factor R/W
7044 Temperature k factor R/W