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UMAX141200. Wi-Fi to CAN Converter. Version 1 

 

 

 

 

 

Page: 13-44

3  CONVERTER CONFIGURATION 

The converter supports configuration over the internal website running on the device 
embedded web server. To configure the device, the user should establish a wireless Wi-Fi 
connection between the converter and a user’s device, which can be, for example, a laptop or 
a smartphone. 

3.1 Wireless 

Connection 

The converter default wireless settings, configured at the factory, are presented in Table 2. 
The user’s device should use these settings to connect to the Wi-Fi to CAN converter. 
 

Table 2. Wi-Fi Default Settings 

Parameter 

Default Value

Connectivity Mode 

AP (Access Point)

Country/Region Code

USA 

AP Channel 

6 (2.4GHz frequency band)

Security 

WPA / WPA2

1 

SSID (Network Name) 

Axiomatic_CANWiFi

Password 

CANWiFi_16025

1

WPA / PSK and WPA2 / PSK security types, or a mixed mode of WPA / WPA2 PSK security type 

(TKIP, AES, mixed mode). 

 
In case the converter settings were changed at the customer site, the default settings can be 
activated by pulling the DIN_nWIFI_DEFAULT input low on power-up. This can be achieved by 
connecting the DIN_nWIFI_DEFAULT input to DIN_GND. The Status LED on the housing will 
be flashing yellow in this case. 
 
The default Wi-Fi settings, activated by the DIN_nWIFI_DEFAULT input, do not rewrite the 
original Wi-Fi settings in the von-volatile memory. The converter will return to its original 
settings after the next power-up or reboot. 
 
When the default settings are used, the converter will appear on the list of available Wi-Fi 
networks on the user’s device, see an example on Figure 5. 
 

 

Figure 5. Converter AP on the List of Available Networks 

 
The user should connect to the converter using the default password “CANWiFi_16025” and 
with the manual IP settings. The assigned IP address should not conflict with the converter 

Device IP Address

 (default value 192.168.0.34) and with addresses of other devices 

connected to the user’s device, if any. See an example on Figure 6. 
 
When the wireless connection is established, the user can access the converter embedded 
web server using any web browser on their device. The web browser should be pointed to the 

Содержание AX141200

Страница 1: ...1200 In Europe Axiomatic Technologies Oy Höytämöntie 6 33880 Lempäälä Finland Tel 358 103 375 750 Fax 358 3 3595 660 www axiomatic fi In North America Axiomatic Technologies Corporation 5915 Wallace Street Mississauga ON Canada L4Z 1Z8 Tel 1 905 602 9270 Fax 1 905 602 9279 www axiomatic com ...

Страница 2: ...asable Programmable Read Only Memory EMC Electromagnetic Compatibility EN European Norms European Standards EL Greece country code ES Spain country code ESD Electrostatic Discharge ETSI European Telecommunications Standards Institute EU European Union FCC Federal Communications Commission FI Finland country code FR France country code G Acceleration in Gravity Units GHz Gigahertz GND Ground GPL Ge...

Страница 3: ...Malta country code NL Netherlands country code NMB Norme sur le Matériel Brouilleur Interference Causing Equipment Standard Canada in French NWP Network Processor ORRE Ordinance Regulating Radio Equipment Japan OTA Over the Air PA Polyamide PL Poland country code P N Part Number PT Portugal country code RED Radio Equipment Directive RF Radio Frequency RGB Red Green Blue RO Romania country code RoH...

Страница 4: ...e UL Underwriters Laboratories safety organization USB Universal Serial Bus V Volt VDC Volt Direct Current W Watt or Width for size WAN Wide Area Network WEP Wired Equivalent Privacy WPA Wireless Protected Access WPA2 Second version of the WPA Wireless Protected Access standard ...

Страница 5: ...R DIAGNOSTICS 25 4 1 Health Status 26 4 2 Converter Rebooting 26 5 FIRMWARE UPDATE 28 5 1 Uploading the New Firmware 28 5 2 Applying the New Firmware 29 6 CONVERTER DEPLOYMENT 31 6 1 Wireless CAN Bridge 31 6 2 Direct Wireless Connection 31 6 3 Wireless CAN Station 32 6 4 Wireless CAN Bridge Configuration Example 33 7 CONVERTER DISCOVERY 35 8 TECHNICAL SPECIFICATIONS 36 8 1 Power Supply 36 8 2 Wi F...

Страница 6: ...re installed in the converter is covered by this user manual It can be done using any web browser connected to the converted ether directly over the Wi Fi connection or indirectly over the LAN see Configuration Parameters section for more details The user manual is valid for application firmware with the same major version number as the user manual For example this user manual is valid for any app...

Страница 7: ... using a standard wireless device e g a laptop or a smartphone The second one can be used to disable all Wi Fi communication A simple command line AxioDisc exe Windows application is provided to locate a converter on the LAN To ensure low latency in processing CAN messages the converter software runs under control of a real time operating system The converter is designed to work on off road machin...

Страница 8: ...ing for the Wi Fi connection Flashing Yellow Disconnected Active Waiting for Wi Fi Connection with Default Settings Wi Fi port is enabled with default AP settings but not connected to the user s STA Default settings have been activated by connecting the DIN_nWIFI_DEFAULT pin to DIN_GND on power up Steady Violet Disconnected Active Wi Fi Hibernated Wi Fi port is disabled DIN_nWIFI_HIB pin is connec...

Страница 9: ...ebsite It will leave the Bootloader mode automatically after the flashing operation is over 2 3 Logical Structure The Wi Fi to CAN Converter is internally organized as a system of interconnected independent modules It includes the following internal modules Communication Device Web Server and Network Discovery They are connected to an external Wi Fi network via the Network Processor see Figure 2 C...

Страница 10: ...total number of remote connections is limited to 10 If the CAN network traffic is high this number should be further reduced or the connections will become unstable due to limited internal resources of the microcontroller which are dynamically allocated between open connections The Communication Device can use either UDP or TCP IP depending on the value of the Device Port Type configuration parame...

Страница 11: ...rotocol is used the Communication Device opens an individual data socket for each device connection see Figure 4 Data Socket New connection Listen to incoming connections No Yes Input Output Communication Try to connect to remote if AutoconnectToRemote True Connection established Yes No Up to 10 connections Server Client DeviceIpAddr DevicePort Device Communication Flow Data Socket Data Socket Acc...

Страница 12: ...ule supports a proprietary Axiomatic discovery protocol It allows to locate a converter with unknown IP address and or web server port on a LAN using a simple Axiomatic discovery application AxioDisc exe 2 3 4 Network Processor The Network Processor module is responsible to maintain a wireless Wi Fi connection with an external IP network It can work either in a station STA or an access point AP mo...

Страница 13: ...efault settings can be activated by pulling the DIN_nWIFI_DEFAULT input low on power up This can be achieved by connecting the DIN_nWIFI_DEFAULT input to DIN_GND The Status LED on the housing will be flashing yellow in this case The default Wi Fi settings activated by the DIN_nWIFI_DEFAULT input do not rewrite the original Wi Fi settings in the von volatile memory The converter will return to its ...

Страница 14: ... port 80 which is set by default Figure 6 User Manual IP Settings In case the Device IP Address or port has been changed and the value is lost the Axiomatic AxioDisc exe Windows console application can be used to recover the values see Converter Discovery section for details After a successful connection the user will see the device home page see Figure 7 Figure 7 Converter Home Page ...

Страница 15: ...r and Client groups for convenience The IP Network and CAN configuration parameters have tooltips clarifying their meaning see Figure 9 Figure 9 A Tooltip for the Auto Connect to Remote Configuration Parameter 3 2 Changing Configuration Parameters The converter configuration parameters are grouped into the following configuration pages Wi Fi Settings IP Network CAN Settings CAN ID Range Filters an...

Страница 16: ...ite In case the user leaves the page without saving all changes will be also discarded The Set Defaults button will load the default values of the configuration parameters into the data fields on the configuration page The configuration parameters have tooltips for the user convenience When the user presses Save Settings button the web page runs a script to check the validity of the new configurat...

Страница 17: ...tion The Wi Fi configuration parameters control the converter wireless connection Their status is shown on the home page see Figure 13 Figure 13 Wi Fi Configuration Status The user can change the Wi Fi configuration parameters on the Wi Fi Settings configuration page see Figure 14 The Wi Fi Mode and Country configuration parameters apply to both Station and Access Point modes Parameters in Station...

Страница 18: ...ess devices are connected to the converter Country USA List of countries and regions of the world Select a country or region where the converter is used Defines the list of RF channels used by the converter This is necessary to conform with local laws since incorrect settings may cause RF interference Station Mode Wireless Network Name Axiomatic_CANWiFi ASCII String 1 32 characters SSID of the AP ...

Страница 19: ...PA2 PSK security types or a mixed mode of WPA WPA2 PSK security type TKIP AES mixed mode 3 4 IP Network Configuration The converter IP network configuration parameters can be changed on the IP Network CAN Settings web page see Figure 15 The converter MAC Address shown on the Home page is a read only parameter The user changeable network configuration parameters are presented in Table 4 Table 4 Net...

Страница 20: ...server Remote IP Address 192 168 0 35 Any IP address The remote server IP address Used by the device client when the Auto Connect to Remote is Yes Remote Port 4000 Any port value The remote server port Used by the device client when the Auto Connect to Remote is Yes 1Common parameter shared with all internal converter modules including the embedded web server Figure 15 IP Network CAN Configuration...

Страница 21: ...ion parameters can be configured on the IP Network CAN Settings web page They are presented in Table 5 Table 5 Main CAN Configuration Parameters Configuration Parameter Default Value Range Description Baud Rate 250 kbit s 1000 666 6 6 500 250 125 100 83 3 3 50 20 10 The CAN baud rate Loopback Messages No No Yes Specifies whether the messages received over the IP network and transmitted on the CAN ...

Страница 22: ...ir CAN ID is within the range specified by From and To configuration parameters 𝐼𝑓 𝐼𝐷 𝐹𝑟𝑜𝑚 𝑇𝑜 𝑡ℎ𝑒𝑛 𝑡ℎ𝑒 𝑚𝑒𝑠𝑠𝑎𝑔𝑒 𝑖𝑠 𝑎𝑐𝑐𝑒𝑝𝑡𝑒𝑑 1 Where 𝐼𝐷 CAN message ID 𝐹𝑟𝑜𝑚 From configuration parameter 𝑇𝑜 To configuration parameter The EID box Extended ID box defines whether the CAN message ID is regular or extended All CAN ID range filters run in parallel It is sufficient to satisfy requirements of any active filte...

Страница 23: ...ser Once the filter is activated by checking the On Off box the CAN input messages will pass through the filter to the IP network only if their CAN ID satisfies the following condition 𝐼𝑓 𝐼𝐷 𝐼𝐷 𝑀𝑎𝑠𝑘 𝑡ℎ𝑒𝑛 𝑡ℎ𝑒 𝑚𝑒𝑠𝑠𝑎𝑔𝑒 𝑖𝑠 𝑎𝑐𝑐𝑒𝑝𝑡𝑒𝑑 2 Where 𝐼𝐷 CAN message ID 𝑀𝑎𝑠𝑘 Mask configuration parameter 𝐼𝐷 ID configuration parameter Bitwise AND operator The EID box Extended ID box defines whether the CAN message I...

Страница 24: ...s are defined it is considered that the CAN ID mask filters are disabled and do not participate in the message filtering process In this case ID Mask Filters are Off on the home page and if other filters are also disabled all CAN input messages will be sent to the IP network ...

Страница 25: ...ck on the Diagnostics link on the left side of the web page Figure 19 The Converter Diagnostics Page The Diagnostics page shows Health Status of the converter together with the Wi Fi diagnostic information CAN and IP Network statistics The user can refresh the values on the page by pressing the Refresh Status button or reset the statistic counters by pressing Reset Counters button The Reboot Conve...

Страница 26: ...en at least one operational status is in the Undefined state and there are no operational statuses in the Error or Warning state Normal Normal is reported when all operational statuses are in the Normal state If the Health Status is different from Normal the user will see a verbose message on the Diagnostics web page below the Health Status describing which operational status is causing a problem ...

Страница 27: ...UMAX141200 Wi Fi to CAN Converter Version 1 Page 27 44 Figure 21 The Converter Reboot Screen ...

Страница 28: ...ser should see the version number of the installed firmware on the converter home page in the browser The details of the firmware update are provided below 5 1 Uploading the New Firmware To upload the new firmware the user should activate the Firmware Uploading page Figure 22 by clicking on the Firmware link on the left side of the web page Figure 22 Firmware Uploading Page Then the user selects t...

Страница 29: ...w Firmware button When the user presses the Apply New Firmware button the firmware update process is activated and the Firmware Upload page will show the countdown timer see Figure 24 The countdown timer is set for 30 seconds that is necessary to complete the flashing process and reboot the unit Once the unit is rebooted the Wi Fi connection with the converter will be lost and the user will need t...

Страница 30: ...UMAX141200 Wi Fi to CAN Converter Version 1 Page 30 44 Figure 24 Firmware Update Countdown has been Started Figure 25 Firmware Version Number ...

Страница 31: ...r 1 CAN 2 Wi Fi to CAN Converter 2 Wi Fi Antenna Wi Fi to CAN Converter 3 CAN 3 Wi Fi to CAN Converter 5 CAN 5 AP STA STA STA Figure 26 Wireless CAN Bridge One converter should be configured as an Access Point AP and all others as Stations STA Up to 4 STA can be connected to one AP bringing the maximum number of CAN networks bridged together in this configuration to 5 This configuration does not r...

Страница 32: ... tools supporting the Ethernet to CAN converter also support Wi Fi to CAN converter by default the user can select Ethernet to CAN Converter in configuration Options to communicate with the Wi Fi to CAN Converter The Axiomatic Electronic Assistant EA can communicate with both Ethernet to CAN and Wi Fi to CAN Axiomatic converters starting from version 5 11 82 0 and the CAN Assistant Scope and CAN A...

Страница 33: ...nfiguration Example An example of the converter settings for a CAN wireless bridge with two Wi Fi to CAN converters is presented below The first converter is set to AP mode We can use the default settings see Table 3 and Table 4 The second converter should be in STA mode with security password the same as the first converter see Figure 29 Figure 29 Wireless CAN Bridge Wi Fi Settings Do not reboot ...

Страница 34: ...N Bridge IP Network Settings Now after the second converter reboot the two converters are fully configured and can be used to connect two CAN networks over the Wi Fi wireless connection In case the baud rate of the CAN network is different from 250 kbit s it can be adjusted using Baud Rate configuration parameter on any of the converters The same way CAN ID Range CAN ID Mask filters can be used to...

Страница 35: ...vice port type the converter part number and serial number see Figure 31 Figure 31 AxioDisc exe Converter Discovery Application The user should have a working Wi Fi connection with the converter see Wireless Connection section If the user s laptop is also connected to other IP networks for example to a LAN over Ethernet these other networks should be temporarily disconnected for a reliable discove...

Страница 36: ...s Point mode Security Open WEP WPA WPA2 PSK Firmware update OTA Using internal web server Communication Protocols IP ICMP ARP UDP TCP HTTP Proprietary1 CAN messages are transmitted using a proprietary application protocol running on top of the user selectable UDP or TCP transport protocol 1 Internal web server uses HTTP protocol The unit supports an Axiomatic proprietary discovery protocol 2 Serve...

Страница 37: ...Mbit s External 120Ohm terminating resistor is required Baud Rate 1000 666 6 6 500 250 125 100 83 3 3 50 20 10 kbit s Programmable through the web interface Protocol CAN Bosch 2 0A and B Data Frames and Remote Frames with Standard and Extended IDs are supported Filtering CAN ID Range Mask Disabled by default CAN port does not contain 120 Ohm terminating resistor 8 4 LED Indicator A three color LED...

Страница 38: ...e FCC Statement This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions This device may not cause harmful interference This device must accept any interference received including interference that may cause undesired operation of the device CAUTION FCC RF Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set fort...

Страница 39: ... minimum de 20 cm de distance entre la source de rayonnement et votre corps 8 7 3 Module EC Declaration of Conformity The module is in compliance with Radio Equipment Directive 2014 53 EU and RoHS2 Directive 2011 65 EU 8 8 Accessories Table 13 Accessories Axiomatic P N Description AX140910 Software Support Package SSP Downloadable from www axiomatic com log in section AX070112 Mating plugs kit It ...

Страница 40: ...1 Page 40 44 8 10 Housing Injection molded enclosure and 8 pin Deutsch welded faceplate Material PA66 30 glass fiber reinforced flame retardant UL 94 V 0 Ultrasonically welded For dimensional drawing see Figure 32 Figure 32 Dimensional Drawing ...

Страница 41: ...AIMED IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ...

Страница 42: ...ollowing disclaimer in the documentation and or other materials provided with the distribution Neither the name of Texas Instruments Incorporated nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY EXPRESS OR IMPLIED WARRANT...

Страница 43: ...IABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE EVEN IF ADVISE...

Страница 44: ...UMAX141200 Wi Fi to CAN Converter Version 1 Page 44 44 10 VERSION HISTORY User Manual Version Firmware version Date Author Modifications 1 1 xx April 27 2021 Olek Bogush Initial release ...

Страница 45: ...m Please provide the following information when requesting an RMA number Serial number part number Axiomatic invoice number and date Hours of operation description of problem Wiring set up diagram application Other comments as needed All products should be serviced by Axiomatic Do not open the product and perform the service yourself DISPOSAL Axiomatic products are electronic waste Please follow y...

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