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The K-Box comes pre-configured, but the configuration is programmable using the K-Box Calibration utility. It requires installing a Kvaser Leaf Light, Memorator or an Influx Rebel CT or LT and installing the K-Box Calibration utility.
For the above example, please install the Kvaser Drivers.
For the above example, please install the Rebel Drivers.
If you power it from the Logger, the Logger will need to be powered from the vehicle or an external power source (NOT just via USB), and you will need to ensure the AUX power feature in the Configuration is set to “On”. To do this, follow the Steps Below:
Right-click on the “Project” you want to configure and select “Properties”. If you need to create a configuration, it is detailed in this document's ‘Loading the K-Box configuration into section.
Once the Edit Configuration window is displayed, click the “Settings” tab and checkmark Aux Power On.
Click “OK” to set the Aux Power on Setting in the Configuration.
Send the Configuration to the Logger by right-clicking on the “Project” and choosing “Send Configuration to the Logger.”
Notes:
Within the 'Project', you should have the bus that the K-Box is connected to set as CAN 1 (MS) if you are using the AUX connector of the Multi Connect Cable.
If you have the CAN bus that the K-Box is connected to set to the correct speed within your project, you will see the Status Light on Solid Orange and the CAN Light on Solid Green. If it is flashing green, the CAN bus is misconfigured; check the speed and termination.
The K-Box is Influx’s stackable instrumentation compatible with the and range of data loggers. It can also be integrated with any device configured via DBC files, other logger systems, or output signals CAN to the .
The K-Box is an ideal solution for applications that require a large number of thermocouples and analog inputs. The K-Box’s accurate sensor data is transmitted periodically on the CAN bus, enabling multiple devices to be connected. The K-Box CAN bus settings, calibration, and sampling rates are all easily configurable, and these settings are stored within the K-Box even when the device is not powered.
Wide switchable software voltage input ranges ±80V, ±40V, ±20V or ±10V.
Accuracy: - Analog ±0.0015%, Thermocouples ±0.08%.
High input impedance.
They have isolated Differential Inputs to prevent earthing problems.
Stackable enclosure.
Simple signal configuration using a DBC file.
Each unit enables up to 8 K-type connections at a 20Hz sampling rate and 8 analog inputs at a 1kHz sampling rate.
Pulse Width Measurement: 3 inputs frequency measurements or pulse measurements.
Regulated +5V and +12V output power supply for external sensors.
Instrumentation data time is synchronised with the recorded vehicle network data.
Analog inputs and thermocouple inputs are galvanically isolated.
Connect and measure data from up to 4 IEPE sensors using the K-IEPE addon.
Measure temperature using RTDs with K-PT100/1000 addon.
Power supply
6V to 36V DC.
Interfaces
CAN Bus
PC interfaces
None
Enclosure
Dimension (L115xH79xW105) / Weight 450g / IP65 / ABS
Environmental
-40°C to +85°C Humidity max 90%
Output voltages
5V and 24V (Max current drawn 80 mA combined)
Analog Inputs
Number of channels
8 Bipolar differential inputs
Accuracy
±0.0015%
Software switchable range
±80V, ±40V, ±20V, ±10V
Resolution (ADC)
16 Bit
Max Sampling Rate
1 KHz (all 8 channels), 2 KHz (4Channels), 10 KHz (2 Channels)
Input impedance
> 4 M Ohm
Max input voltage
±75 Analog Ground, ±34V Analog inputs
Thermocouple Inputs
Number of channels
8 J/K/T-type inputs
Accuracy
±1°C accuracy
Measurement Range
Measurement: -200 °C to 1250 °C
Max Sampling Rate
10 Hz (all 8 channels)
Maximum input voltage
±3.3 V
Digital Input / Output
Number of channels
×4 unipolar single-ended hardware configured as inputs or outputs
Input switching thresholds
Low < 1.5V
High > 2.0V (up to 12V)
Input leakage current
< 10nA
Output states
(Optional) Open collector - 510 Ohm
Output drive capability (OK):
Collector-emitter voltage
45V max
Collector current (DC)
10mA max
Saturation voltage (OK on)
< 0.15V
Equivalent on-resistance
< 510Ohm
Leakage current at OK off
< 5uA
Min-max applied voltage
Digital input -8V to +12V; Digital output 0V to +40V power supply, which limits the current to 10mA
PWM
3 digital input frequency measurements up to 100kHz or pulse measurements. (min 100 Nano sec) (between pulses 10 microseconds)
Download the Kavaser Drivers for Windows. They are located at:
Run kvaser_drivers_setup.exe
Click Next to start the Installation.
Click Next after viewing the documentation (optional).
Select the item(s) you wish to install (at least one is needed to install the Drivers).
Choose or confirm the location where you wish to install the drivers.
The Drivers will be installed. Click “Close” once the process is complete.
Once you launch the K-Box Configuration utility, you will see the settings for the interface you are using. If the K-Box is on and connected, its serial number (S.N.) and firmware (Fw) version will be displayed at the bottom of the screen.
Pressing the Load Button Loads the settings contained in the K-Box and displays them on the screen.
Pressing the Commit Button commits the settings that are on the screen to flash memory within the K-Box
Pressing the Node Button allows the user to change the selected node. This icon is active only when multiple KSeries devices are connected to the same CAN Bus.
Pressing the Default Button allows the user to set the default parameter values.
Pressing the Export Button allows exporting of signals to DBC files.
Pressing the Import Button allows importing of signals from DBC files.
Pressing the Scope Del Button deletes selected channels from the scope.
Pressing the Tables Button allows conversion tables management.
Pressing the Formula Button assigns the formula.
Pressing the Interface Button initialises the selected interface.
Displays the release notes containing all the details about the software's development.
Pressing the Help Button displays the documentation regarding the software for better understanding.
On the General Tab, you can change the following parameters:
KBox Device
Baud Rate
The Baud rate at which the K-Box will communicate on the CAN Bus.
Byte Order
The Byte order that the K-Box will use.
Sleep Mode
If enabled, the logger will go to sleep when there is no CAN activity.
If you do not wish to use this feature and want the K-Box to remain on while power is supplied, select “No Sleep”.
Time
Allows the user to set the “after sleep” time duration. Specifies how long the K-Box should wait before it enters sleep mode.
Tool Options
Load at startup
Allows loading channel settings from device memory on startup.
Load at export
Allows reloading channel settings from device memory while exporting DBC.
Auto assign ID
Allows the user to assign the ID automatically. Relevant when there are multiple KSeries devices connected.
ADC Units
Allows the user to set the units for analog/digital channels.
TC units
Allows the user to set the units for thermocouples.
Interface
Allows the user to select the interface
Run the K-BoxCal.msi
Click Next to start the installation.
After the K-BoxCal software is installed, click 'Finish'.
How to and view live data using K-Cal (tutorial video).
How to using K-Cal (tutorial video).
Baud Rate
The Baud rate at which the K-Box will communicate on the CAN Bus.
Byte Order
The Byte order that the K-Box will use.
Sleep Mode
If enabled, the logger will go to sleep when there is no CAN activity.
If you do not wish to use this feature and want the K-Box to remain on while power is supplied, select “No Sleep”.
Time
Allows the user to set the “after sleep” time duration. Specifies how long the K-Box should wait before it enters sleep mode.
Load at startup
Allows loading channel settings from device memory on startup.
Load at export
Allows reloading channel settings from device memory while exporting DBC.
Auto assign ID
Allows the user to assign the ID automatically. Relevant when there are multiple KSeries devices connected.
ADC Units
Allows the user to set the units for analog/digital channels.
TC units
Allows the user to set the units for thermocouples.
You can change to the Analog Channel Configuration by clicking on the Tab: Not Connected.
Pressing the Load Button Loads the settings contained in the K-Box and displays them on the screen.
Once you have configured the K-Box as desired, click Commit to send the configuration to the K-Box.
You will want to generate a new DBC file if you make any changes. This describes the configuration of the K-Box, and you can load the file into DiaLog (or another tool that supports DBC files), allowing DiaLog to interpret the data broadcast by the K-Box correctly.
Clicking DBC Export will generate the DBC file and prompt you for the location to save it.
On this screen, you can change the following parameters:
The additional board allows users to select the addon board type if connected.
The CAN Ident and rate that the K-Box will broadcast ADC channels 0-3.
The CAN Ident and rate that the K-Box will broadcast ADC channels 4-7.
The Voltage range you wish to use for the ADC channels is either -10 to +10V, -20 to +20V or -40 to +40V, individually selectable per channel or -20 to +20V, -40 to +40V or -80 to +80V, individually selectable per channel depending on whether you choose hardware range 1 or 2.
The CAN Ident and rates that the K-Box will broadcast thermocouple channels 0-3.
The CAN Ident and rates that the K-Box will broadcast thermocouple channels 4-7.
The Thermocouple type may be selected from K, T and J Types.
By clicking on the tab RTD (Resistance thermometer detectors), you can configure the KBox to work with add boards by selecting the board type from the drop-down menu.
On this screen, you can change the following parameters:
The CAN Ident and rates that the K-Box will broadcast RTD channels 0-3.
Select the type of RTD for each channel. RTD (0-3). Pt 100 or Pt1000 is individually selectable per channel.
The CAN Ident and rates that the K-Box will broadcast Thermocouple channels 0-3.
The CAN Ident and rates that the K-Box will broadcast Thermocouple channels 4-7.
The Thermocouple Type may be selected from K, T and J Types.
Click the tab IEPE (Integrated Electronics Piezoelectric) to change to the Analog Channel configuration.
On this screen, you can change the following parameters:
For more configuration options, refer to Appendix 4.
The CAN Ident and rates that the K-Box will broadcast IEPE channels 0-3.
IEPE Transmit-Measure:
Combined: All the IEPE data is sent in one CAN message with one CAN ID.
Individual: Sends each IEPE channel data with a separate CAN ID.
The sensitivity and offset of the IEPE 0, 1, 2 and 3.
The CAN Ident and rates that the K-Box will broadcast Thermocouple channels 0-3.
The CAN Ident and rates that the K-Box will broadcast Thermocouple channels 4-7.
The Thermocouple type may be selected from K, T and J Types.
You can change to the Digital Channel Configuration by clicking on the tab:
Pressing the Load icon tab loads the settings contained in the K-Box and displays them on the screen.
Here, you can configure the Digital Channels:
The CAN Ident and rates that the K-Box will broadcast channels used as input.
The CAN Ident and rates that the K-Box will receive data to be output.
In output mode, it should output 3.3V (Digital 1-3) or operate in Open Collector mode (Digiatl4).
PINs 1-3 can be configured to measure pulse duration, frequency, duty cycle, count events, cycle duration, or RPM when in’ Input’ mode.
PIN 4 can be used as an output for wake-up or to supply power, for example, to another daisy-chained K-Box.
The 4 Digital Pins can all be configured as outputs: If that mode is used, then they either act in open collector mode (the base of the internal NPN transistor is energised according to the data that the K-Box receives via CAN message to the Outputs CAN ident configured) or they can act in 3.3V mode in which case they will output 3.3V or 0V depending on the to the data that the K-Box receives via CAN message to the Outputs CAN ident configured. If using the pins as outputs, you must set up CAN Messages with the same IDents as you have set up that broadcast data to the K-Box… The data format required is specified in the DBC file, and you can use the DiaLog DBC Editor (in the Presets section) to look at this.
The first 3 Digital Pins can also be used as inputs and measure pulse duration, frequency, duty cycle, count events, cycle duration or RPM, and output. They calculated measurements as CAN messages on the CAN Ident configured for the Inputs.
Once you have configured the K-Box as desired, click Commit to send the configuration to the K-Box.
You will want to generate a new DBC file if you make any changes. This describes the configuration of the K-Box. You can load the file into DiaLog (or another tool that supports DBC files), allowing DiaLog to interpret the data broadcast by the K-Box correctly.
Clicking DBC Export generates the DBC file and prompts you for the location to save it.
Digital 1-3 can be used to measure input signals, process them, and output the result as a CAN message with a Defined CAN ID (e.g. Pulse duration could be measured and output as a CAN message on CAN ID 0x310)
The K Box send CAN messages with a defined ID (in this example, 0x300 and rate 100 ms), containing information about the logical level of the Digital signals. This information is contained in the 1st byte of the message.
The K-Box is powered via the CAN and power connectors. It has been designed with CiA® 102 pinout for the CAN bus and power to connect the device as easily as possible.
Most commonly, it will be powered from a Rebel Logger using the Multi-Connect Cable, but you can also power it via pin 9 (4.5 to 36V) and pin-5 PowerGND of the nine-pin Sub-D connectors. If connected via the Multi-connect cable, the CAN 1 (MS) bus is also connected, allowing the logger to record the data transmitted from the K-Box.
Warning:
Several K-Boxes can be daisy chained via the additional DB9 Connector; however, they must have power supplied separately via power breakout in the Cable, not via the Logger. It can also be used to connect other devices, such as the Rebel Dash.
The pinout of the required Cable between the two K-Boxes is as follows:
To measure Pulse duration, select Pulse duration in the drop-down box:
Also, set the CAN ID rate, where The K Box will transmit the result.
Set the Rate you wish to measure at:
Select the edge on which you wish to start measuring the pulse duration.
The KBox will not send CAN messages (although the rate is met) until the required measurement is finished.
The KBox will re-calculate the message and Rate to prevent CAN bus overloading.
Pulse frequency: 2000Hz (0.5ms). Rate: 50ms. CAN bus Speed: 125 kbps.
If there is no overloading of the CAN bus, a corresponding CAN Message will be sent every 50ms.
Pulse frequency: 2000Hz (0.5ms). Rate: 1ms. CAN bus Speed: 125 kbps.
If there is no overloading of the CAN bus, a corresponding CAN Message will be sent every 2ms.
The Rebel drivers must be correctly installed to ensure the Rebel functions perfectly.
If DiaLog is installed, a driver installation application will be available, which can be found in the Influx Technology folder of the Start Menu, as shown below.
Ensure the Rebel is not plugged in and click ‘Next’ to continue.
Please read and accept the EULA, then click ‘Next’ to continue.
The driver installation will begin and may take a few moments.
Once the installation is complete, click ‘Finish’ to close the application.
Plugin the Rebel to allow the drivers to be recognised.
To measure frequency, select ‘Frequency’ in the drop-down box:
Also, set the CAN ID where The K Box will transmit the result.
Set the Rate you wish to measure at:
The Rate parameter affects measurement precision.
The K Box measures frequency using a pulse counter for the selected rate and normalises it to 1 second to calculate the value in Hz = 1 s * N pulses / Rate.
The K-Box averages measured values if the frequency changes for a measurement interval (Rate).
The sensor sends at a frequency of 10kHz for 60ms, and the K-Box registers 600 pulses (60ms * 10kHz).
The sensor sends at a frequency of 8kHz. For 40ms and the K-Box registers 320 pulses (40ms * 8kHz).
For the whole measurement interval of 100ms, The K-Box registers a total of 920 pulses.
Normalised to Hz, the measured frequency is 9.2kHz (1 s * 920 pulses / 100ms).
If the Rate is set to 1000 ms, the measurement's accuracy will be 1Hz.
Notes:
The “Cycle duration” function should be used to measure low frequency with high precision.
To calculate the Duty cycle of a PWM signal, select Duty cycle/PWM in the drop-down box:
Also, set the CAN ID where The K Box will transmit the result.
Set the Rate you wish to measure at:
Select the edge you wish to start measuring the duty cycle on.
Notes:
The K-Box will change the CAN message Rate for this measurement to prevent CAN bus overloading.
How to for Analog, Thermocouple, and Digital channels using K-Cal.
How to using K-Cal (tutorial video).
oraccording to whether the modulation is on the rising or falling edge:
To count digital events, select Event Counter in the drop-down box:
Also, set the CAN ID where The K Box will transmit the result.
Set the Rate you wish to measure at:
Select the edge on which you wish to start measuring the events.
Notes:
The Event counter will be reset if the K-Box is power cycled or loaded with a new configuration.
The Event counter will be incremented on any received registered event edge.
To measure the duration of a cycle, select Cycle Duration in the drop-down box:
Frequency can then be calculated using the following formula:
In this case, this frequency is NOT average frequency. It is instantaneous frequency.
The KBox will wait until the cycle measurement is finished before sending a CAN message with the duration. If the cycle duration is long, the messages may be sent slower than the selected Rate.
If the Cycle duration is shorter than the time between messages set by the Rate, the duration will be re-calculated before being sent.
or according to whether the Modulation is on the rising or falling edge: