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Use the following steps to apply a Conversion Table to a channel.
Click the Channel you want to assign the Conversion Table to:
If the Channel already has a Conversion Table or Formula assigned, the corresponding button will be highlighted in red.
Click the name of the Table you wish to apply to the Channel.
The Conversion Table will immediately be applied. You will see the name of the conversion table in use for the selected Channel.
If you wish to remove the existing Conversion Table or Formula, click Table or Formula and uncheck the tick by clicking on the tick next to the Table in use or the button.
The user can use the K-Box Cal application to display the Analog voltages being measured by the K-Box visually.
The lower area of the ‘Measurement’ tab is used to display the oscilloscope:
There are several ways to add items to the Oscilloscope:
Individually Adding items to the Oscilloscope.
Adding All Channels to the Oscilloscope (Method 1).
Items can be added to the Oscilloscope individually by following the following steps:
Click the Channel you want to add to the Oscilloscope:
The Channel will be added to the Oscilloscope.
Click the Scope Add button.
Use the following steps to apply a Formula to a channel:
Click the Channel you want to assign the Formula to:
If the Channel already has a Conversion Table or Formula assigned to it, the corresponding button will be highlighted in red:
Select Formula / Edit:
Enter the Formula you would like to use, e.g. Y=0.75*X+12.3 and also the units of the output:
Click OK to apply the Formula to the Channel.
The Formula will immediately be applied, and you will see the Formula in use for the selected Channel.
If you wish to remove the existing Conversion Table or Formula, click Table or Formula and uncheck the tick by clicking on the tick next to the Table in use or the button.
Using a conversion table, the K-Box can use a table to map measured values to engineering units. For example, this feature could convert the output voltage from a pressure sensor to pressure in PA, allowing sensor values to be interpreted easily.
To create a ‘Conversion Table’, follow the following steps:
Clicking the Edit button allows the conversion table to be created.
Fill the Name field, Y-Axis Units and add points to the Conversion table:
In this example, the conversion Table has been named V-PA. The units it will convert to have been set to kPA. Once that is done, the Add button adds the various points on the graph. That describes the sensor’s transfer function (in this example, 0,0; 200,442; 400,981, and so on)
Save the conversion table by pressing OK:
The top area of the Measurement Tab is used to display the Measured and Converted (if applicable) Values for each of the K-Boxes Channels and to Assign Conversion Tables and Formulas to channels:
Click on the radio button of the channel you wish to display. The Actual Measured Value will be displayed. If a ‘Conversion Table’ or ‘Formula’ is assigned to that channel, the converted value and units will be shown along with the formula or name of the conversion table:
All Channels can be added to the Oscilloscope by following the following steps:
Click the ‘Scope add / Add all’ button.
All channels will be added to the Oscilloscope.
Right-clicking in the Item Information Area brings up the following menu:
The Menu Items allow the following functionality:
Start New Log
Allows to start a new log, clear log and refresh the Oscilloscope
Rename
Assigns a name to the channel; this will appear in the name column.
Select All
Selects all items
Deselect All
Deselects all items
Invert Selection
Selects all items not currently selected and deselects the items currently selected.
Active
Makes the selected items 'Active'; they will be shown on the oscilloscope.
Inactive
Makes the selected items 'Inactive'; they will NOT be shown on the oscilloscope.
Del
Deletes the item or item selected in Orange.
Add Group
Adds selected item groups to the oscilloscope.
Del Group
Delete the selected item group from the oscilloscope.
Add all
Adds all items to the oscilloscope.
Del all
Deletes all items from the oscilloscope.
Groups and scale to…
Allows customisation of the scaling of selected items.
Reset Scaling
Sets the default scaling.
Not Use
Removes conversion tables or formulas from the selected item(s).
All Channels can be added to the Oscilloscope by following the following steps:
Right-click in the Item Information Area and Select Add All:
All channels will be added to the Oscilloscope.
The ‘Oscilloscope’ functionality is controlled by a dedicated toolbar, which is considered below. Each feature is then considered individually.
Allows the Oscilloscope to go online.
Clear the Logged Data in the Oscilloscope.
Saves the data Logged in the Oscilloscope. It can be saved in:
Vector MDF (.DAT).
MATLAB 5.0 (.MAT).
MATLAB 5.0 Structured single or double precision (.MAT).
MATLAB 5.0 Structure Extended (.MAT).
Comma Separated Variables (.CSV).
Opens previously Logged data files.
Show steps between data points.
Separate Items on Oscilloscope.
Axis display modes.
Show item points.
Show cursors.
Reset Zoom Factor.
Reset X-axis Zoom Factor.
Zooms in X-axis.
Zooms out X-axis.
Fit Items to visible zoom area.
Zooms in Y-axis.
Zooms out Y-axis.
Zooms in all axis.
Zooms out all axis.
Right-clicking on the oscilloscope also brings up a menu with several further options. These include changing the scale of the time axis to several different resolutions and changing the axis colour, clearing the data, and printing and exporting the image displayed on the scope.
The DBC Export feature allows you to export the Conversion tables and Formulas Applied to the various Analog channels for use in other tools such as DiaLog.
Clicking DBC Export will generate the DBC file and prompt you for the location to save it.
How to using the K-box (tutorial video).