IB0147 Rev. 08 LEFM 200 Modbus User Manual
Section 2 Page 8 December 2010
Setup Variable Holding
Register
Variable
Definition
Address* Notes
Fluid No. 7 - Viscosity
Offset
Float 970 User offset for calibrating –
Viscosity Fluid No. 7
Fluid No. 7 - Viscosity
Slope
Float 972 User slope for calibrating –
Viscosity Fluid No. 7
Fluid No. 8 - Viscosity
Offset
Float 994 User offset for calibrating –
Viscosity Fluid No. 8
Fluid No. 8 - Viscosity
Slope
Float 996 User slope for calibrating –
Viscosity Fluid No. 8
Fluid No. 9 - Viscosity
Offset
Float 1018 User offset for calibrating –
Viscosity Fluid No. 9
Fluid No. 9 - Viscosity
Slope
Float 1020 User slope for calibrating –
Viscosity Fluid No. 9
Fluid No. 10 - Viscosity
Offset
Float 1042 User offset for calibrating –
Viscosity Fluid No. 10
Fluid No. 10 - Viscosity
Slope
Float 1044 User slope for calibrating –
Viscosity Fluid No. 10
2.7 Calculated Density Setups
The LEFM200/SoundTrack calculates the density of the fluid based on the VOS (sound
velocity), temperature and pressure. The software calculates a fluid ID for each fluid using these
variables. There are 10 fluid IDs. Using the fluid ID, the software selects a density curve with
which it computes the density specific to that fluid. Each of these curves may be given an offset
and/or slope in order to optimize the computation. This density is only for the customer’s
reference or for a fluid property.
Setup Variable Holding
Register
Variable
Definition
Address* Notes
Fluid No. 1 - Specific
Gravity Offset
Float 286 User offset for calibrating –
Specific Gravity Fluid No. 1
Fluid No. 1 - Specific
Gravity Slope
Float 288 User slope for calibrating –
Specific Gravity Fluid No. 1
Fluid No. 2 - Specific
Gravity Offset
Float 340 User offset for calibrating –
Specific Gravity Fluid No. 2
Fluid No. 2 - Specific
Gravity Slope
Float 342 User slope for calibrating –
Specific Gravity Fluid No. 2
Fluid No. 3 - Specific
Gravity Offset
Float 394 User offset for calibrating –
Specific Gravity Fluid No. 3
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