Specifications

CONAX BUFFALO TECHNOLOGIES TSD 43.021
Rev. ORIG
Page 19 of 28
Figure 11
6.5.3 Using the UDT. When configuring the sensor, select “User Defined Table” under
the “Mode” section (usually the bottom-right of the “Input Sensor Selection” screen).
A popup screen will appear asking for the “Minimum range” and “Maximum range”
to use of the tabular data within the table. This range must exist within the *.TBL
file, and it is highly suggested that a few values outside this range are also included
in the file. This will allow the program to more accurately model the sensor output.
In Figure 11, ”Conax-SP_C5.tbl” will be imported into the Configuration software
and will be used for the specific application.
SPEICAL CONSIDERATION
An indicator that has been configured with a UDT will require this table when you
upload and/or reconfigure the indicator. Keep this file handy for future use. It is
highly suggested that you save both the UDT and Configuration file to a portable
media such as a Floppy or CDROM for future reference and mark it accordingly.
6.5.4 CREATING A TABLE FROM A MATH FUNCTION
If your sensor’s transfer function can be described in a mathematical equation
(trigonometric, log, etc.), use a commercial spreadsheet program, such as Excel or
Lotus to generate a table using the restrictions described in Para 7.5. Use “COPY”
and “PASTE” or “Save as” commands to transfer the table section to any text
editor such as “Notepad” or directly to a text file. Edit the table and text according
to the above instructions to ensure that the table is formatted correctly and contains
enough data points.
6.5.5 APPLYING THE “USER DEFINED TABLE” FUNCTION (reference Figure 11)
a. When selecting the input sensor for the application, from the “Transfer Function”
or “Mode” selection box, select the “User Defined Table” button.
b. Enter the minimum and maximum table input range.
d. Enter the table’s complete file name or click “Browse…” to find it.
e. Select the “OK” button to apply the table to the application.
f. This table will be required during all future uploads and/or reconfigurations.