AT100-0200-1 Rev L (10-2010) DCN0528
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4.0 TRANSMITTER CALIBRATION AND SETUP
4.10.4 Setting Up Strapping Table Points
Under the CAL menu:
1) Scroll to VOL TABL, then press SELECT.
A) In manual mode, set the measured value for each Input Point and set the corresponding Output
Point to the desired volume value.
B) In automatic mode, position the float at the desired measurement point and set the
corresponding Output Point to the desired volume value.
2) Once the volume values and measurements are set in the table, scroll down to TBL SAVE and press
select. This will save the volume table in a backup location that may be recalled later by selecting TBL
LOAD.
4.10.5 Notes on Strapping Table Usage
The volume entered for any point must be between VMN (Volume Min) and VMX (Volume Max).
The measurement entered for any point must be between 0 measurement and UTP (Upper Trim Point).
A point may be removed („zeroed out‟) from the table by entering „0‟ for it‟s output „O##‟ field. If a point
is zeroed out, it will be bypassed when volume output is calculated.
A zeroed point may be set again, provided it is increasing with respect to the previous points in the table
list.
For all points in the table, all points must be increasing in volume and increasing in measurement, with
the exception of zeroed points. When setting up the table, points should be set up sequentially from
VMN (at 0 measurement) to VMX (at UTP);
It is not necessary to use all of the points in the Volume Table.
Since the table is based on VMN and VMX, any change to either of these will invalidate the table.
Therefore, once the table is properly set up, DO NOT change either of these settings.
4.10.6 Saving / Loading a Strapping Table
Because setting up the strapping table can be a time-consuming process, it is possible to save a copy of the
table, and also to load the table from a previous save.
To save the current strapping table:
Under the CAL menu:
-Scroll to VOL TABL, then press SELECT.
-Scroll up to TBL SAVE, then press SELECT.
To load a saved strapping table:
Under the CAL menu:
-Scroll to VOL TABL, then press SELECT.
-Scroll up to TBL LOAD, then press SELECT.
4.10.7 Setting Current Output Based on Volume
If the current output is to be based on volume:
-Under the CFG menu, scroll down to PV=.
-Press SELECT and scroll UP or DOWN to change the PV to VL1 (Volume 1) or VL2 (Volume 2) if
available. Selecting VL1 will filter the measurement from LL1 through the Volume Table, display
the result as the Volume (VOL) and output the current based on this volume. Selecting VL2 will
filter the measurement from LL2 through the Volume Table, display the result as the Volume (VOL)
and output the current based on this volume.
-Under the CAL menu, scroll down to LVV. Set this value to the volume that will correspond to 4mA.
-Scroll down to UVV. Set this value to the volume that will correspond to 20mA.
Note:
LVV and UVV must be within VMN and VMX.
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