IB0147 Rev. 08 LEFM 200 Modbus User Manual
Section 2 Page 16 December 2010
2.11 Display Notes
Display Units
The flow display text is for display text only – Units Conversion discussed previously scales the
flow. The following choices select the display text:
0 – “” (no text)
1 – “CFS”
2 – “CFM”
3 – “CMS”
4 – “GPM”
5 – “BPH”
6 – “BPD”
7 – “MGD”
8 – “CMH”
The totalizer display text, likewise is for totalizers’ text only, as follows:
0 – “” (no text)
1 – “CF”
2 – “CM”
3 – “GAL”
4 – “BBL”
5 – “AF”
6 – “MGAL”
Setup Variable Holding Register
Variable
Definition
Address
FLOW DISPLAY UNITS INTEGER 784
TOTALIZER DISPLAY UNITS INTEGER 785
2.12 Meter Data Summary Registers (For 101A639 Rev 07.xx.xx and later)
The following holding registers have “meter data”. These values are read only. Writing to these
values will not change their values. These values have been added to the Holding register space
in order to support OMNI flow computer communications.
Name
Variable
Definition Address Units
Board Status Integer 5000 N/A
Meter State Unsigned Integer 5001 N/A
Mass Flow Float 5002 See units
Volume Flow Float 5004 See units
Temperature Float 5006 See units
Pressure Float 5008 See units