Rockwell Automation 1758-RTU202 DataSite Software User Manual FRN 1.2 User 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