AXIOMATIC UMAX070505 USB to CAN Converter User Manual

AXIOMATIC UMAX070505 USB to CAN Converter

The USB to CAN Converter is a communication device that links a computer USB port with a Controller Area Network (CAN) network, allowing PC software to communicate with Axiomatic controls on the CAN network. It is designed to replace the Axiomatic USB-CAN Converter, p/n AX070501, with a smaller housing and a faster USB port.

Technical Specifications

• High-speed USB port (up to 480Mbit/s)
• One DB9 high-speed CAN port with configurable baud rates up to 1Mbit/s
• Supports all standard and extended CAN frames, including data and remote frames
• Galvanic isolation of the CAN port ensures no electrical interference between the PC and equipment connected to the CAN port
• Firmware can be updated in the field through the USB port using Axiomatic USBCAN Converter Firmware Update Tool

Product Usage Instructions

1. Connect the USB to CAN Converter to a computer using the provided USB cable.
2. Connect the DB9 high-speed CAN port of the converter to the CAN network using a compatible cable.
3. Configure the baud rate of the CAN port using software or by setting DIP switches on the converter.
4. Launch PC software that communicates with Axiomatic controls on the CAN network.
5. Use the software to send and receive data from the Axiomatic controls on the CAN network.
6. If a firmware update is required, download and install the Axiomatic USBCAN Converter Firmware Update Tool from the Axiomatic website.
7. Connect the USB to CAN Converter to the computer and run the firmware update tool to update the firmware of the converter.

ACRONYMS

INTRODUCTION

• The following user manual describes architecture and functionality of the USB to CAN Converter. It also contains technical specifications of the converter.
• This converter is intended to replace Axiomatic USB-CAN Converter, p/n AX070501. The converter application firmware continues version numbering of AX070501 and starts from version 2.00 to facilitate the use of legacy software designed for AX070501.
• 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 application firmware version 2.xx. Updates specific to the user manual are done by adding letters: A, B,  Z to the user manual version number.

CONVERTER DESCRIPTION

• The converter is intended to provide a communication link between a computer USB port and a CAN network to allow PC software to communicate with Axiomatic controls on the CAN network. It is designed to be a drop-in replacement of the Axiomatic USB-CAN Converter, p/n AX070501, with a smaller housing and a faster USB port.
• The converter contains a high-speed USB port (up to 480Mbit/s) and one DB9 high-speed CAN port with configurable baud rates up to 1Mbit/s. All standard and extended CAN frames, including data and remote frames, are supported. Galvanic isolation of the CAN port ensures no electrical interference between the PC and equipment connected to the CAN port.
• The converter is powered from the USB port. The internal state of the converter is displayed by a LED indicator on the housing. The industrial temperature range (-40…+85 °C) is suitable for a field environment.
• The converter uses a proprietary communication protocol and requires Axiomatic drivers to be installed on the user’s PC. All software from the Axiomatic Electronic Assistant suite: Electronic Assistant (EA), Electronic Assistant – Scope, and Electronic
• Assistant – Visual supports this converter. Axiomatic provides USB to CAN Converter SDK, p/n AX070501SDK, to support third-party software development.
• The converter firmware can be updated in the field through the USB port using Axiomatic USB-CAN Converter Firmware Update Tool.

Hardware Block Diagram

• The converter hardware block diagram is presented in Figure 1.
• The converter is powered from the USB port. ESD protection and current limiting is provided.
• The CAN port is galvanically isolated from the USB port and the rest of the converter.
• A powerful 32-bit ARM Cortex-M7 microcontroller ensures minimum delay in processing CAN and USB messages.
• A three-color RGB Status LED indicates the internal state of the converter.

Status LED

• The Status LED on the housing displays the internal state of the converter the following way, see Table 1:

Table 1. Converter Status LED

USB port is configured. CAN port operates normally. It may not be configured yet.

__

If blinking, CAN port is configured,

and data is being transferred between CAN and USB ports.

Steady Yellow| USB Not Configured| Powered, Default, Address| Normal Operation| USB port is not configured. CAN port operates normally.

__

Check the driver installation if converter stays in this mode.

Steady Red| CAN Error| Any| Communication Errors| There are communication errors on the CAN port.

__

Check the CAN port wiring, baud rate, terminating resistors.

Steady Violet| CAN Low Power| Any| Any| CAN power supply voltage is low. The converter CAN communication can be unstable.

__

This normally happens due to low USB voltage and an error condition on the CAN port.

__

Check the CAN port wiring. Plug the converter to a USB port with a better load capacity to maintain adequate

CAN power supply voltage.

Flashing Red| System Error1| Any| Any| Unrecoverable system error. Device failure.

__

Hardware or software error.

Alternate Green/Red| Bootloader Mode| Off| Off| The converter is in the Bootloader mode.
LED| Converter Status| Subsystem state| Description
---|---|---|---
USB| CAN
| | | | USB port is disconnected from the host. CAN signal lines are at high impedance.

The converter will go to the Bootloader mode for a short period of time to flash the new firmware uploaded through the USB port. It will leave the Bootloader mode automatically after the flashing

operation is over.

Blank| Suspended| Suspended| Off| USB port is suspended.

__

The converter is in the low power suspended state waiting to be woken up by the USB host. CAN signal lines

are at high impedance.

Power Off| Off| Off| Power off.

__

USB port is disconnected from the host. CAN signal lines are at high impedance.

• This status should not happen in normal conditions. Try to perform a hardware reset by unplugging and then plugging back the USB port. Contact Axiomatic if this does not help.

Firmware Organization

The converter internal firmware organization is straight forward, see Figure 2 .

• All CAN messages received from USB port are route directly to CAN port. Once a message is sent from the CAN port, it is looped back to USB port to be counted as a received message from the CAN port. All CAN messages received from CAN port are route directly to USB port.
• The converter is not configured on power up. The user should configure the converter by sending CAN Settings over the USB port to make the CAN port ready for communication. The details of the converter programming are provided in USB to CAN Converter SDK, p/n AX070501SDK.

CAN Bus Connection

The converter is connected to a CAN bus the following way.

• The CAN bus line contains a twisted differential signal pair CAN_H, CAN_L, and auxiliary CAN_GND and SHIELD conductors. CAN devices are connected to the bus line using short-length stubs. The twisted pair CAN_H, CAN_L is terminated on both sides with 120 Ohm resistors. In some cases, the terminating resistor can be embedded in the last CAN device connected directly to the bus line.

Workbench Connection

• In case of a workbench connection, when space is limited and a dedicated CAN bus is not used, the user can directly connect CAN_H and CAN_L signals of a CAN device to CAN_H and CAN_L signals of the USB-CAN converter using a short (less than 1m) pair of wires. It is also necessary to connect at least one 120 Ohm resistor in parallel with CAN_H and CAN_L conductors for normal operation of CAN transceivers.
• The user can extend this configuration, if necessary, by adding several CAN devices in parallel, provided that the summary length of CAN_H and CAN_L signal wires for all devices is kept short (less than 1m).
• If longer wires are used, a standard CAN bus connection with two-side 120 Ohm termination is required, see Figure 3.

DRIVER INSTALLATION

• To communicate with Windows software, the USB to CAN converter requires a driver. A zip file with Windows 32-bit and 64-bit driver package can be downloaded from the Axiomatic website www.axiomatic.com.
• After the zip file is downloaded, it should be unzipped at a temporary location on the user’s PC.
• Installation of the Axiomatic USB to CAN Converter driver is straightforward. Once the user plugs the USB to CAN converter in one of the USB PC ports, Windows will automatically recognize a new device and start a hardware installation wizard.
• The use should direct the wizard to the driver installation script AX070501.inf located in the root folder of the unzipped driver package.
• After successful installation of the driver, USB LED on the front panel of the Axiomatic USB-CAN Converter will turn green, which means that the converter is ready for use.

Installation Example

• The user should have administrative privileges on their PC account to install a driver. An example of the converter driver installation for Windows 7, 64-bit, is presented below.

1. Download and unzip the driver package from the Axiomatic website in a temporary Downloads\USBCANDriver folder.
2. Unplug, wait ten seconds and then plug back in the USB cable of the USB-CAN Converter. The LED on the front panel of the converter should turn yellow.
3. Go to Start, Control Panel, System and Security, Device Manager menu and locate USBCAN Converter in the Other devices group.
4. Double click on the USBCAN Converter. The Windows will open the USBCAN Converter Properties window.
5. Click on Update Driver… button to launch the update driver wizard. The Update Driver Software – USBCAN Converter window will appear.
6. Click on Browse my computer for driver software. Go to the …\Downloads\USBCANDriver folder. Select Include subfolders option.
7. Press the Next button. Windows Security window will pop-up asking whether you like to install the device software from Axiomatic Technologies Corporation.
8. Press the Install button. A pop-up window telling that Windows has finished installing the driver software should appear at the end of the installation process.
9. 9. Press the Close button. The LED on the front panel of the USB-CAN Converter should turn green. The driver is successfully installed, and the converter is ready for use. You can now delete the temporary folder with the driver package files at …Downloads\USBCANDriver.

FIRMWARE UPDATE

• The converter firmware can be updated over the USB port using Axiomatic USB-CAN Converter Firmware Update Tool.
• This software runs on any Windows PC starting from Windows XP and is available for download from the Axiomatic website www.axiomatic.com.
• The update procedure is performed in two stages. First, the application firmware is uploaded into the converter’s internal flash memory. During this stage, the converter checks the firmware checksum and whether it can be programmed into the unit.
• Then, upon the user confirmation, the firmware is programmed into the converter’s internal memory, and the unit is restarted to finalize the firmware update.
• The details of the firmware update are provided below.

Connecting to Converter

• To update the converter firmware, the user should connect the converter to any available USB port of the PC and then run the USB-CAN Converter Firmware Update Tool.
• Then, in the upper-left part of the dialog window, the user should select the connected converter from the Converter Name and State drop-down list and then press the Connect button. The converter Firmware ID and Firmware Version Number will be displayed upon successful connection to the converter, see Figure 11.
• Please note, that the firmware update tool should be started after the converter is connected to the USB port, otherwise, it will not appear on the list of active converters.

Loading Firmware File

• After connecting to the converter, the user loads the new firmware file by pressing the Load Firmware File button in the Firmware File section of the dialog window, see Figure 12.
• The file name should have the following format: AF-21002-X.XX.af, where the <X.XX> field wildcard reflects the firmware version number. We will use AF-21002-2.00.af file for illustration of the firmware update process in this manual re-flashing the already loaded firmware version 2.00.
• The firmware file is loaded into the internal memory of the tool. The tool shows the Firmware ID, Firmware Version Number and Comments of the firmware from the loaded file.
• The user can check this information before flashing the firmware into the converter internal memory.

Flashing Firmware

• The user starts uploading the new firmware into the converter internal memory by pressing Flash Firmware File button, see Figure 13.
• The progress of the flashing operation is shown in the progress bar. The user can stop flashing in the middle of the process by pressing the Stop Flashing button.
• Once the flashing to the internal memory is over, the pop-up message will prompt the user to reset the converter to finalize the firmware update. In case of an error, an error message with the error code will appear.

Applying the New Firmware

• To finalize the firmware update, the user should reset the converter. This will activate the bootloader that will flash the new firmware into the microcontroller memory. The following pop-up message will appear, see Figure 14.
• The USB connection will be lost for a short time (up to 30 seconds) and then the new firmware will automatically restore the connection with the user’s PC at the end of the firmware update.
• The user can check the new firmware version by pressing the Connect button of the firmware update tool after the new firmware has been activated.

TECHNICAL SPECIFICATIONS

USB Port

Table 2. USB Port Parameters

(FS)

| Data rate:

In HS – up to 480 Mb/s In FS – up to 12 Mb/s

Connector| USB 2.0 Micro-B

receptacle

| USB Micro device receptacle
Supply Voltage| 4.3…5.5V| 5V nominal. Provided by USB port
6V| Short-time overvoltage
Supply Current| 100 mA/300 mA| Current limit in Non-Configured/Configured state
150 mA| Maximum steady current in Configured state at 5V
2.5 mA| Maximum current in Suspended state at 5V
ESD Protection| ±8 kV / ±15 kV| IEC 61000-4-2, Contact / Air, Data lines
±30 kV| IEC 61000-4-2, Contact, Power lines
Communication Protocol| Proprietary| Supported by Axiomatic Electronic Assistant (EA) suit. Windows Drivers and SDK are provided

CAN Port

Table 3. CAN Port Parameters

3 kV DC

| Functional Isolation, IEC 60950-1 Isolation Withstand Voltage, 1 minute
ESD Protection| ±15 kV| IEC 61000-4-2, Contact
Maximum Bus Fault Voltage| ±32 V| Maximum steady-state voltage on the CAN bus the transceiver can tolerate
Common Voltage| ±30 V| Maximum receiver common mode input voltage
Connector| 9-pin D-sub (DB9), Male| DIN 41652, IEC 60807-3
Pinout| CANopen| CIA 303-1
Port Type| High Speed, ISO 11898-2 compatible| Connected to 120Ohm terminated twisted pair, baud rate up to 1 Mbit/s. External 120Ohm terminating resistor is required. Shield connection

is provided if shielded cable is used

Baud Rate| 1000, 800, 667, 500,

250, 125, 100, 50, 20,

10 or a custom value

| [kbit/s]
Protocol| CAN Bosch 2.0A and B| Data Frames and Remote Frames with Standard and Extended IDs are supported

LED Indicator

A three-color RGB LED indicator on the front side of the housing displays the current status of the converter.

General Specifications

Table 4. General Specifications

excluding DB-9 connector. See dimensional drawing
Weight| 0.30 lbs (0.136 kg)|
Compliance| RoHS Directive| CE, FCC – to be added

Software
The following Windows software is used together with the USB to CAN converter and available for download from Axiomatic website www.axiomatic.com.

Accessories

Table 5. Accessories

__

A cable with a female DB-9 connector and three loose CAN wires, 12 inches (30 cm) long. Wires have the following marking:

__

Green (or Red)        CAN_L Yellow (or White)     CAN_H Black CAN_GND

• 1CAB-AX070501 is provided for evaluation purposes only. The user is responsible for connecting the converter to the CAN network using a reliable wire harness with electrical parameters compatible with the CAN network.

CAN Connector

Standard 9-pin, D-sub (DB9), male connector.

Table 6. Converter Pinout

Housing

ABS Plastic enclosure. Flame Rating UL94-V-0. For dimensional drawing, see Figure 15.

VERSION HISTORY

User Manual Version| Firmware version| ****

Date

| ****

Author

| ****

Modifications

---|---|---|---|---
2A| 2.xx| April 25,

2022

| Olek Bogush| Defined Weight in General Specifications. Added CAN Bus Connection section.
2| 2.xx| April 20,

2022

| Olek Bogush| Initial release.

Version numbering continues from AX070501.

OUR PRODUCTS

• AC/DC Power Supplies
• Actuator Controls/Interfaces Automotive Ethernet Interfaces Battery Chargers
• CAN Controls, Routers, Repeaters CAN/WiFi, CAN/Bluetooth, Routers Current/Voltage/PWM Converters DC/DC Power Converters Engine Temperature Scanners
• Ethernet/CAN Converters, Gateways, Switches
• Fan Drive Controllers
• Gateways, CAN/Modbus, RS-232 Gyroscopes, Inclinometers Hydraulic Valve Controllers Inclinometers, Triaxial
• I/O Controls
• LVDT Signal Converters Machine Controls
• Modbus, RS-422, RS-485 Controls Motor Controls, Inverters
• Power Supplies, DC/DC, AC/DC PWM Signal Converters/Isolators Resolver Signal Conditioners Service Tools
• Signal Conditioners, Converters Strain Gauge CAN Controls Surge Suppressors

OUR COMPANY

• Axiomatic provides electronic machine control components to the off-highway, commercial vehicle, electric vehicle, power generator set, material handling, renewable energy, and industrial OEM markets. We innovate with engineered and off-the-shelf machine controls that add value for our customers.

QUALITY DESIGN AND MANUFACTURING

• We have an ISO9001:2015 registered design/manufacturing facility in Canada.

WARRANTY, APPLICATION APPROVALS/LIMITATIONS

• Axiomatic Technologies Corporation reserves the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. Users should satisfy themselves that the product is suitable for use in the intended application. All our products carry a limited warranty against defects in material and workmanship. Please refer to our Warranty, Application  Approvals/Limitations, and Return Materials Process at https://www.axiomatic.com/service/.

COMPLIANCE

• Product compliance details can be found in the product literature and/or on axiomatic.com. Any inquiries should be sent to sales@axiomatic.com.

SAFE USE

• All products should be serviced by Axiomatic. Do not open the product and perform the service yourself.
• This product can expose you to chemicals that are known in the State of California, USA to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.

SERVICE

• All products to be returned to Axiomatic require a Return Materials Authorization Number (RMA#) from sales@axiomatic.com. Please provide the following information when requesting an RMA number:
• Serial number, part number
• Runtime hours, description of the problem
• Wiring set up diagram, application, and other comments as needed

DISPOSAL

• Axiomatic products are electronic waste. Please follow your local environmental waste and recycling laws, regulations, and policies for the safe disposal or recycling of electronic waste.

CONTACTS

• Axiomatic Technologies Corporation 1445 Courtneypark Drive E. Mississauga, ON
• CANADA L5T 2E3
• TEL: +1 905 602 9270
• FAX: +1 905 602 9279
• www.axiomatic.com
• sales@axiomatic.com
• Axiomatic Technologies Oy Höytämöntie 6
• 33880 Lempäälä
• FINLAND
• TEL: +358 103 375 750
• www.axiomatic.com
• salesfinland@axiomatic.com

Documents / Resources

| AXIOMATIC UMAX070505 USB to CAN Converter [pdf] User Manual
UMAX070505, AX070505, UMAX070505 USB to CAN Converter, USB to CAN Converter, CAN Converter, Converter
---|---

References

• Axiomatic Technologies Corporation
• Axiomatic Technologies Corporation
• Axiomatic Technologies Corporation
• P65Warnings.ca.gov
• p65warnings.ca.gov./
• Return Policy - Axiomatic Technologies Corporation

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