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Contents
How to Calibrate a Fuel Tank
  • hardware

To calibrate a tank for  a fuel level sensor (FLS), follow the steps below.

  1. Empty the fuel tank. Make sure the car battery is charged and won't die during the calibration.
  2. If the FLS is not installed yet, install it according to the manual.
  3. Configure the tracker in such a way that the data is saved at least once every 10 seconds while you are calibrating the tank.
  4. Prepare a table with two columns: X and Y. In the Y column, you should indicate the amount of fuel in the tank, and in the X column, the corresponding voltage value. To find out this value, request data messages from the unit in the Wialon monitoring system and find the value of the FLS parameter (this parameter is different for different trackers).

    We don't recommend using a voltmeter to determine the X value due to the voltage drop in the circuit and the accuracy difference between the voltmeter and the tracker.

    If you are using a digital FLS, you can take the values for the X column from the configurator (a special application for fuel level sensors).

    The table should contain as many rows as you conditionally divide the tank into parts, as well as an additional row corresponding to a volume of 0 litres.

  5. Write down the start time of the calibration. You can also write down the time of adding each part of fuel to find the corresponding messages in Wialon easily.
  6. In the X column of the first table row, specify the voltage value before adding the fuel. Enter 0 in the Y column of this row.
  7. Divide the entire volume of the tank into 10-20 parts.
  8. Pour a part of fuel. In the Y column, enter the resulting fuel volume in litres. Wait 2-3 minutes until the fuel level in the tank becomes even and the tracker records a few more messages.
  9. Repeat the previous step until you fill the entire tank.
  10. In Wialon, take several messages generated 2-3 minutes after adding each part of the fuel. In these messages, find the parameter with the voltage value from the FLS, calculate the average voltage value ​​for each such group and enter it in the X column.


Next, follow the instructions for filling out the calculation table in Wialon.

See the examples of configuring a calculation table for an FLS here.

How to Configure a Unit in Wialon for Obtaining Data from CMSV6
  • hardware

This guide describes the way of obtaining data from CMSV6 in Wialon with the example of video transmission. This process includes creating and configuring a unit and a command with a video request. Other types of commands are enumerated at the end of this document.

For correct video transmission in Wialon, it is required to set up a proxy server on the side of CMSV6 and configure it so that the data is transferred via HTTPS connection.

  1. Create a unit. In the Device type field on the General tab, select CMSV6 Gateway. Enter the unique identification number of the device indicated in CMSV6.
  2. Go to the device configuration by clicking on the icon .
  3. Fill in the required fields in the open dialog box.

    ▪ CMSV6 Web Host. The IP address or domain name from the URL of the CMSV6 website. In case of using a secure connection, you should specify the protocol (for example, https://12.34.56.78 or https://yourcmsv6site.com).
    ▪ CMSV6 Web Port. The port from the URL of the CMSV6 website, if any. You can also indicate the host and port in the CMSV6 Web Host field. In this case, you should not fill in the CMSV6 Web Port field.

    CMSV6 Account. Name of the CMSV6 account.
    CMSV6 Password. Password of the CMSV6 account (twice).

    Prefer Flash Player for Live Stream. The option is enabled by default. Disable it if you want to use HLS instead of RTMP.
    CMSV6 Timezone in minutes. The difference between the time zone of the device and GMT+0 in minutes, if they differ. For example, if the time zone of the device is GMT +3, you should type 180 (without the plus sign) in the field. The device as well as the CMSV6 and Wialon accounts should have the same time zones.
  4. Click ОК.
  5. On the Commands tab of the unit properties, create a command of the Request Live Stream (request_live_stream) type with the name RequestLiveStream#1. Such name (spelled in one word) is required to send the command automatically by clicking on the icon  on the Monitoring tab. Commands with other names can only be sent manually.
  6. In the Channel field, select Virtual.
  7. Deactivate the Without parameters option and indicate the numbers of the required channels without spaces and separating them by commas. For certain devices, numbering can start from 0.

  8. Save the changes.
  9. To start video transmission, click on the icon  in the unit list on the Monitoring tab. The option is available only after the unit sends at least one message with coordinates.

Other command types

The data sent by the device, such as photo and video files, is stored on the CMSV6 server. Only links to these files are sent to Wialon. To get access to them, you should create a command of the corresponding type in the unit properties.

download_video

When this command is sent, video recordings are uploaded from the device to the CMSV6 server. If there is no connection to the device, the query execution is postponed until the device is connected to the server. To see if the video is uploaded to the CMSV6 server, execute a get_video_records_info command.

get_video_records_info

This command allows you to query information about the video that is stored in the device or on the CMSV6 servers. You can select the location of the data in the properties of the command.

After the command is executed, if there are available files, the icon  becomes active on the Monitoring tab (the Media option). Besides, a numeric indicator shows up over the same icon in the bottom panel.

Besides, you can query messages from units for the required interval (the Data messages type, show parameters as raw data). The icon  will be displayed in the Media column of the resulting table. Click on it to view the found photo and video files.

The messages with media files contain the following parameters:

  • video uri: the link for playing the video;
  • loc: the file location (loc=2 indicates that the file is stored on the CMSV6 storage server);
  • cha_n: the number of the video channel.

get_gps_status

This command allows you to query the last GPS location.

get_photo

Using this command, you can query a photograph from the camera in real time.

get_track

The command allows you to query the telematic data of the unit for the indicated period (similarly to the import of messages in Wialon).

How to Prepare JC100/200 Devices and Configure a Unit in Wialon to Download Images and Videos
  • hardware

This guide describes how to prepare a JC100 or JC200 device and to configure a unit which uses this device in order to receive photos and videos. After configuring the unit, you can also execute other commands described in the Other available commands section of the guide.

The JC100 and JC200 devices can only transfer files in real time, that is, it is impossible to receive files from the memory of these devices.

  1. Download the appropriate firmware for the device in Gurtam forum and install it according to the guide which is also available there.
  2. Create a unit. On the Advanced tab, specify the unit name, device type and unique ID. For JC200 devices, choose the JC100 type.
  3. On the Commands tab of the unit properties, create a command to tell the device the address for downloading photo and video files. Select the Send custom message type for the command. In the Channel field, select TCP.
  4. Uncheck the Without parameters option and type in the Message field the IP address and the port of the server indicated in the General tab of the unit properties.
    Use the following format: HSERVICE,http://:/. For example, HSERVICE://193.193.165.165:21607/.
  5. Click OK.
  6. Make sure that the unit is online (a green icon is displayed opposite the unit name in the work list of the Monitoring tab) and click on the icon  to send the command.
  7. In the list of available commands, select the one created at step 3 (HSERVER). Click OK.
  8. In the Chat with Drivers window, you will see a message about sending the command successfully.
  9. On the Commands tab of the unit properties, create a command to download photo or video file. To do this, select the Send custom message (custom_msg) type. In the Channel field, select TCP.
  10. Uncheck the Without parameters option. In the Message field, select one of the available options.
    • Video,in,Ns: to request a video from the internal camera, where N is the duration of the video (not more than 20 s). For example, Video,in,10s.
    • Video,out,Ns: to request a video from the external camera, where N is the duration of the video (not more than 20 s). For example, Video,out,10s.
    • Picture,in: to request a photo from the internal camera.
    • Picture,out: to request a photo from the external camera.
  11. Click ОК.
  12. Make sure that the unit is online and click on the icon  to send the created command.
  13. In the list, select the command you need (Video_OUT_10S) and click OK.
  14. In the Chat with Drivers window, you will see a message about sending a command to download a file.
  15. After downloading is complete, a red indicator is displayed near the icon  in the bottom panel. Click on it to open the file. You can also cick on the icon  opposite the unit name in the work list (the Media option).

Other available commands

Before creating a command, you should prepare the device and configure a unit in Wialon (steps 1 — 8 of the guide). The text of the command should be typed in the Message field when creating the command (see steps 9—10 of the guide).

Video streaming

To stream video, some additional configuration of the unit is required. To do this, fill in the fields described below in the Device configuration window of the unit properties (icon  in the General tab).

RMTP server. Here you should specify the IP and the RTMP port of the server which is set by the user.
Camera aliases. Indicate the unique ID of the unit as the ID of the camera.

The following commands are used to manage the video streaming:

  • RMTP,ON,IN: enable video streaming from the internal camera;
  • RMTP,ON,OUT: enable video streaming from the external camera;
  • RMTP,OFF: disable video streaming.

To watch the video streaming, click on the icon  in the work list of the Monitoring tab.

It is impossible to stream video from two cameras at the same time.

How to Configure a Unit in Wialon for the Eco Driving Application to Work with Teltonika Devices
  • hardware
  • eco_driving
  • teltonika

This guide describes how to prepare a device manufactured by Teltonika and to configure a unit which uses this device so that the Eco Driving application can work with this unit. The guide is suitable for all devices of the FMB, C, M, U lines, except for the FMC640, FMM640, FMB640 models.

  1. Configure the 258 parameter (Eco Driving Maximum) in the device.
  2. Open the Sensors tab of the unit properties in Wialon.

  3. Create a custom sensor Accel_MAX. In the Parameter field, specify the following formula:
    (((io_258:48*const32768)-

    (io_258:33*const1+io_258:34*const2+io_258:35*const4+io_258:36*const8+io_258:37*const16+i

    o_258:38*const32+io_258:39*const64+io_258:40*const128+io_258:41*const256+io_258:42*cons

    t512+io_258:43*const1024+io_258:44*const2048+io_258:45*const4096+io_258:46*const8192+io

    _258:47*const16384))*io_258:48)/const1000

  4. Create a custom sensor Brk_MAX. In the Parameter field, specify the following formula:
    ((-

    (io_258:33*const1+io_258:34*const2+io_258:35*const4+io_258:36*const8+io_258:37*const16+i

    o_258:38*const32+io_258:39*const64+io_258:40*const128+io_258:41*const256+io_258:42*cons

    t512+io_258:43*const1024+io_258:44*const2048+io_258:45*const4096+io_258:46*const8192+io

    _258:47*const16384))*(io_258:48-const1))/const1000

  5. Create a custom sensor Crn_MAX. In the Parameter field, specify the following formula:
    (-

    (io_258:17*const1+io_258:18*const2+io_258:19*const4+io_258:20*const8+io_258:21*const16+i

    o_258:22*const32+io_258:23*const64+io_258:24*const128+io_258:25*const256+io_258:26*cons

    t512+io_258:27*const1024+io_258:28*const2048+io_258:29*const4096+io_258:30*const8192+io

    _258:31*const16384))*(io_258:32-const1))/const1000+(((io_258:32*const32768)-

    (io_258:17*const1+io_258:18*const2+io_258:19*const4+io_258:20*const8+io_258:21*const16+i

    o_258:22*const32+io_258:23*const64+io_258:24*const128+io_258:25*const256+io_258:26*cons

    t512+io_258:27*const1024+io_258:28*const2048+io_258:29*const4096+io_258:30*const8192+io

    _258:31*const16384))*io_258:32)/const1000

  6. Open the Eco driving tab and add custom criteria for the created sensors.

    • The Acceleration criterion for the Accel_MAX sensor.

    • The Braking criterion for the Brk_MAX sensor.

    • The Cornering criterion for the Crn_MAX sensor.


Now you can track the driving quality of the unit in the Eco Driving application.

There are no pictures in the gallery


How to Use Bitwise Parameter Control
  • hardware

Some devices allow transferring user data. In Wialon, this data is registered as unsigned integers by default, regardless of the form in which it is sent from the device. In order for the reports and messages in Wialon to display  "clear values", that is, the values as they are sent from the device, you can use the bitwise parameter control method. This guide describes three examples of using this method to work with source data.

Example 1

Consider the case when a unit sends data, for example, in the user_d1 parameter as two double-byte unsigned integers. In Wialon, this data is registered as user_d1=2646793773.

  1. Convert the received number in Wialon to the binary system: 2646793773 → 10011101110000101101111000101101.

    In Wialon, bits are calculated from one.

  2. Divide the resulting number by two (according to the double-byte number count): 1101111000101101 and 1001110111000010.
  3. Create a custom sensor numeral_1 in the unit properties in Wialon. In the Parameter field, specify the following formula:
    user_d1:1*const1+ user_d1:2*const2+ user_d1:3*const4+ user_d1:4*const8+ user_d1:5*const16+ user_d1:6*const32+ user_d1:7*const64+ user_d1:8*const128+ user_d1:9*const256+ user_d1:10*const512+ user_d1:11*const1024+ user_d1:12*const2048+ user_d1:13*const4096+ user_d1:14*const8192+ user_d1:15*const16384+ user_d1:16*const32768

  4. Create a custom sensor numeral_2. In the Parameter field, specify the following formula:
    user_d1:17*const1+ user_d1:18*const2+ user_d1:19*const4+ user_d1:20*const8+ user_d1:21*const16+ user_d1:22*const32+ user_d1:23*const64+ user_d1:24*const128+ user_d1:25*const256+ user_d1:26*const512+ user_d1:27*const1024+ user_d1:28*const2048+ user_d1:29*const4096+ user_d1:30*const8192+ user_d1:31*const16384+ user_d1:32*const32768

As a result, the reports and messages in Wialon display the values of two double-byte sensors (numeral_1=56877 and numeral_2=40386) instead of user_d1=2646793773.

Example 2

In this example, consider the case when a unit sends data as a number with floating point (float). In Wialon, the data is registered as user_d3=1017282565.

  1. Convert the received number in Wialon to the binary system: 1017282565 → 111100101000101000000000000101.
  2. Create a custom sensor float in the unit properties in Wialon. In the Parameter field, specify the following formula:
    const-1^user_d3:32*const2^((user_d3:24*const1+user_d3:25*const2+user_d3:26*const4+user_d3:27*const8+user_d3:28*const16+user_d3:29*const32+user_d3:30*const64+user_d3:31*const128)-127)*(const1+(user_d3:1*const1+user_d3:2*const2+user_d3:3*const4+user_d3:4*const8+user_d3:5*const16+user_d3:6*const32+user_d3:7*const64+user_d3:8*const128+user_d3:9*const256+user_d3:10*const512+user_d3:11*const1024+user_d3:12*const2048+user_d3:13*const4096+user_d3:14*const8192+user_d3:15*const16384+user_d3:16*const32768+user_d3:17*const65536+user_d3:18*const131072+user_d3:19*const262144+user_d3:20*const524288+user_d3:21*const1048576+user_d3:22*const2097152+user_d3:23*const4194304)/const8388608)
    The formula for the sensor parameter is created on the basis of the formula for converting to the 32-bit IEEE 754 format: F=(-1)S2(E-127)(1+M/223).

As a result, Wialon displays the values of the float sensor instead of user_d3=1017282565.

Example 3

Consider the case of the Teltonika FMT100 device when the io_258 parameter registers the values of the accelerometer on three axes when exceeding the values specified in the device. The data of this parameter is useful when working with the Eco Driving application. In Wialon, the data is registered as io_258=932034904003. The values should be converted into g.

The image below shows the parameter structure.

The values on the axes are signed. In Eco Driving, only the values on the X and Y axes are used. On the X-axis, depending on the sign, the acceleration and braking are determined. On the Y-axis, the transverse acceleration is determined which will be used as an absolute value (module) because the sign (left/right) is not taken into account in Eco Driving.

  1. Create a custom sensor Accel_MAX in the unit properties in Wialon. In the Parameter field, specify the following formula :
    (((io_258:48*const32768)-(io_258:33*const1+io_258:34*const2+io_258:35*const4+io_258:36*const8+io_258:37*const16+io_258:38*const32+io_258:39*const64+io_258:40*const128+io_258:41*const256+io_258:42*const512+io_258:43*const1024+io_258:44*const2048+io_258:45*const4096+io_258:46*const8192+io_258:47*const16384))*io_258:48)/const1000

  2. Create a custom sensor Brk_MAX. In the Parameter field, specify the following formula :
    ((-
    (io_258:33*const1+io_258:34*const2+io_258:35*const4+io_258:36*const8+io_258:37*const16+i
    o_258:38*const32+io_258:39*const64+io_258:40*const128+io_258:41*const256+io_258:42*cons
    t512+io_258:43*const1024+io_258:44*const2048+io_258:45*const4096+io_258:46*const8192+io
    _258:47*const16384))*(io_258:48-const1))/const1000


  3. Create a custom sensor Crn_MAX. In the Parameter field, specify the following formula:
    (-
    (io_258:17*const1+io_258:18*const2+io_258:19*const4+io_258:20*const8+io_258:21*const16+i
    o_258:22*const32+io_258:23*const64+io_258:24*const128+io_258:25*const256+io_258:26*cons
    t512+io_258:27*const1024+io_258:28*const2048+io_258:29*const4096+io_258:30*const8192+io
    _258:31*const16384))*(io_258:32-const1))/const1000+(((io_258:32*const32768)-
    (io_258:17*const1+io_258:18*const2+io_258:19*const4+io_258:20*const8+io_258:21*const16+i
    o_258:22*const32+io_258:23*const64+io_258:24*const128+io_258:25*const256+io_258:26*cons
    t512+io_258:27*const1024+io_258:28*const2048+io_258:29*const4096+io_258:30*const8192+io
    _258:31*const16384))*io_258:32)/const1000


    Two bytes are provided for the Y-axis. The bit numbers in Wialon are from 17 to 32. Since the module (absolute) values are taken into account, the formula is a little longer than the previous ones.

The given examples show that the application area of the bitwise control is not limited to the control of a specific bit. This is a comprehensive tool which allows creating custom sensors in Wialon. You can formulate the logic and calculation of such sensors on your own to fulfil the most challenging tasks.

How to Configure Units in Wialon to Monitor Social Distancing with Teltonika GH5200
  • hardware
  • teltonika

From this guide you will learn:

Configuring units

To configure units, follow the steps below.

  1. In the device settings, open the Bluetooth Features section, enable the Proximity detection function and specify the required parameters.

  2. Go to the Bluetooth 4.0 section and specify the required parameters.
  3. Go to the Beacon List section and select Teltonika in the settings.

  4. In Wialon, create a unit. On the General tab, type the name of the person who should maintain the specified distance. In the Unit type field, select Person. In the Device type field, specify Teltonika GH5200.
  5. Go to the Sensors tab and create a sensor of the Passenger sensor type. In the Parameter field, specify io_875.


  6. If necessary, create a custom sensor to determine the battery level. In the Parameter field, specify io_113. In the Unit of measurement field, specify %.


  7. Go to the Custom fields tab and create a custom field named MAC address. In the Value field, specify the MAC address of the device used. 

    To find out the MAC address of the device, contact the hardware supplier. You can also find out the MAC address using messages in Wialon. The units determine the MAC addresses of the nearest devices of the same type and send them to Wialon as the io_875 parameter in messages. For example:
    io_875 = 439931433244443739334561.

  8. Create the required number of units following steps 4—7.
  9. Create a unit group and add to it the units the distance between which you want to monitor.
  10. On the Passengers tab, create a passenger named as the unit which corresponds to it. In the Code field, specify the same MAC address of the device as in the custom field of the corresponding unit.
  11. Create the required number of passengers.

    You should create a passenger for each unit specifying the same name and MAC address as for the unit to which this passenger corresponds.

  12. Select all the passengers and create the list of automatic assignment to all the units to which they correspond.

The units are ready. Now you can configure notifications and create a report for them.

Creating notifications

To receive notifications and register events about distance violations, follow the steps below.

  1. On the Notifications tab, create a notification for units which should maintain the specified distance.

  2. Select the Passenger activity trigger type.
  3. Enable the Check-in and Check-out options.
  4. Select the Register event for unit action and enable the Register as violation option. To display the notification in Wialon, select the Display online notification in a popup window action as well.
  5. In the notification text, add the %UNIT% and %TAG_NAME% tags. Type the required text between the tags. For example:
  6. Specify the notification name and save it.

Now you can monitor the physical distance between the created units and register events in Wialon. 

Creating a report

To get detailed information on distance violations, create and execute a report on the unit group created in step 9. To do this, follow the steps below.

  1. Create a report template of the Unit group type.

  2. In the report template, create a table of the Violations type and select the following columns:
  3. In the table settings, enable the Detalization and Total options.
  4. Save the report template.
  5. Execute a report on the required unit group using the created template.

Thanks to the executed report, you can not only get detailed information on distance violations but also reduce the risks of spreading the virus. For example, if one of the employees you monitor tests positive, you can determine when and with whom the infected person has been in contact recently. In addition, you can get this information by executing a report on passenger assignments.

To learn more about the device, watch the webinar.

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