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Product User Manual 

CANFDBridge Smart 
Bridge 

CAN(FD)-BUS Communication Products 

 
 
 

 
 

User Manual

 

UM01010101  V1.03 

Date: 2021/06/03 

 

 

Category 

Contents 

Keywords

 

CANFDBridge CANFD-bus bridge 

Description

 

Introduction to CANFD Smart Bridge 

 

©2021 Guangzhou ZLG Microelectronics Technology Corp.,Ltd.

 

Summary of Contents for CANFDBridge Smart

Page 1: ...dge CAN FD BUS Communication Products User Manual UM01010101 V1 03 Date 2021 06 03 Category Contents Keywords CANFDBridge CANFD bus bridge Description Introduction to CANFD Smart Bridge 2021 Guangzhou...

Page 2: ...td i User Manual Revision History Version Date Reason V1 00 September 11 2018 Created V1 01 March 12 2019 Updated the document header and footer and Sales and Service Network content and added the Dis...

Page 3: ...ing the Driver on Windows 8 3 2 Installing the Software CANCfg on the PC 11 3 2 1 Configuration Tool Installation Example 11 4 Quick Instructions 13 4 1 Obtaining Basic Device Information 13 4 2 Manag...

Page 4: ...or CANFD Support both ends of CAN FD channel baud rate setting Common baud rates can be set and the baud rate can be customized The baud rate range is 40k 5Mbps Supports setting the 120 ohm terminal...

Page 5: ...forwarding delay is about 50 us The more frame mapping merging and splitting rules the greater the forwarding delay The forwarding delay is also affected by the baud rate When the baud rate value is s...

Page 6: ...rter User Manual 2021 Guangzhou ZLG Microelectronics Technology Corp Ltd 3 User Manual 2 Hardware 2 1 Appearance and Installation Dimensions Figure 2 1 and Figure 2 2 show the appearance and installat...

Page 7: ...l power supply and a USB cable are also possible but it is recommended to use the USB power supply method when you configure the device and DC power supply in other cases The USB cable is type B squar...

Page 8: ...inverted signal 3 6 CAN_GND CAN isolated ground 4 8 NC Dangling 5 Shield Shielding ground 7 CAN_H CAN data sending and receiving differential positive phase signal 9 NC Dangling 2 4 Indicators CANFDBr...

Page 9: ...ansmission method is called differential transmission There are only two possibilities for the level signal transmitted on the cable namely the dominant level and the recessive level The dominant leve...

Page 10: ...tion distance and communication rate are related to the field application and can be designed according to the actual application and related standards The CAN Bus cable can use ordinary twisted pair...

Page 11: ...to install the CANFDBridge driver and CANCfg host computer software and describe the operation of the CANCfg software 3 1 Installing the Driver on Windows First connect the CANFDBridge device to the c...

Page 12: ...Manual Figure 3 2 No driver installed Right click CANFDBridge and choose Update Driver Software The update driver software interface appears as shown in Figure 3 3 Figure 3 3 Updating the driver As sh...

Page 13: ...on is complete the message The driver file has been successfully updated appears Click the Close button to complete the installation as shown in Figure 3 5 Figure 3 5 Driver installation complete Afte...

Page 14: ...iguration parameters of the CANFDBridge device and upgrade the device firmware by using the CANCfg software 3 2 1 Configuration Tool Installation Example You can download the latest version of CANCfg...

Page 15: ...Technology Corp Ltd 12 User Manual Figure 3 7 Selecting an installation path Click Install to install the file in the installation path After the installation is complete the successful installation...

Page 16: ...describes the operation of the CANFDBridge device by using the CANCfg software to help you get familiar with the product 4 1 Obtaining Basic Device Information Double click to run the CANCfg software...

Page 17: ...r is abnormal or the driver is not installed Figure 4 3 Obtaining the CANFDBridge device information 4 2 Managing Device Configurations On the CANFDBridge basic information interface the four buttons...

Page 18: ...r other devices 4 3 Configuring Parameters 4 3 1 CAN The CAN window is used to configure the two channel parameters of CANFDBridge such as baud rate CAN controller type and termination resistance enab...

Page 19: ...For CANFD the data domain baud rate is valid only when acceleration is enabled CAN bus baud rate In addition to the standard baud rates recommended by CIA 75 83 5 sampling point SJW 2 3 in the list a...

Page 20: ...cted the blue background color appears indicating that the value is selected as shown in 5 Select the data domain baud rate for the appropriate sampling point If the value is selected the blue backgro...

Page 21: ...is option is enabled when CANFDBridge fails to forward it will send a specified frame to inform the sender that the forwarding fails Figure 4 10 shows the schematic diagram Figure 4 10 Failback For th...

Page 22: ...ic forwarding CANFDBridge basic forwarding can realize CAN to CAN CANFD to CANFD CAN to CANFD CANFD to CAN and other functions The forwarding rules of the basic forwarding settings are the default for...

Page 23: ...NFD message data length DLC and set the padding data The default padding is 0 After setting when the CAN message data length is 8 bytes the CANFD message will be filled to the preset CANFD message dat...

Page 24: ...r forwarding the frame type remains unchanged Figure 4 15 Example of converting CANFD to CAN DLC greater than 8 Figure 4 16 Example of converting CANFD to CAN DLC less than 8 3 Receive CAN to CANFD As...

Page 25: ...filter items for each channel is 64 Filter format is single ID filter or a group ID filter Single ID means that only one ID is set At this time only Start Frame ID is valid The group ID means setting...

Page 26: ...selected it will not be modified that is after mapping retain the original value of the received frame Figure 4 20 Frame mapping Only one channel s frame mapping configuration is displayed in this wi...

Page 27: ...a frame satisfies one mapping rule it will not continue to check other mapping rules 4 3 6 Frame Mapping Example In the example two CAN0 frame mappings are set as shown in Figure 4 22 The first is tha...

Page 28: ...red box is not selected no comparison or modification will be made Therefore the CAN standard data frame whose ID is 0x01 is converted into a CAN standard data frame whose ID is 0x222 and the data co...

Page 29: ...NFD frame ID can be repeated In a merging rule the data length of the target CANFD frame must be greater than or equal to the sum of the data lengths of all CAN frames In a merging rule if the sum of...

Page 30: ...h a data length of 8 into a CANFD standard frame with an ID of 0x123 and a data length of 24 Figure 4 29 Combining three CAN settings When CAN0 receives three CAN frames that conform to the grouping r...

Page 31: ...are merged from the data of three CAN frames and the last 40 bytes of data are auto fill bytes 0xFF Figure 4 32 Total length of combined CAN less than CANFD As shown in Figure 4 33 the CANFD frame dat...

Page 32: ...r items in the ANFD box indicate the source CANFD to be split You can specify the frame ID frame type data length and padding bytes and enable bit rate switching The table in the CAN box indicates the...

Page 33: ...the CAN0 channel receives a CANFD standard frame with an ID of 0xF1 and a data length of 64 it will be split into 8 CAN standard frames according to the unpacking rules and sent from the CAN1 channel...

Page 34: ...and a data length of 24 it will be split into four CAN standard frames according to the unpacking rules and sent from the CAN1 channel Figure 4 Example of 3924 byte CANFD split into 4 6 byte CANs Thi...

Page 35: ...it and the rest of the data is discarded Figure 4 Example of 4164 byte CANFD split into 2 8 byte CANs 4 4 Device Status Acquisition and Reporting Figure 4 42 shows the status interface of the CANFDBri...

Page 36: ...sly At this time adjust the baud rate value of the bridge or increase the number of bridges When the bus communication is good the error count can generally be maintained at 0 The send error count is...

Page 37: ...NFDNET 400U High performance Four channel CANFD Bus to Ethernet Converter User Manual 2021 Guangzhou ZLG Microelectronics Technology Corp Ltd 34 User Manual Figure 4 44 Automatic reporting of CAN erro...

Page 38: ...ick to select the path of the firmware to be upgraded and then click to start the firmware upgrade After the upgrade starts a window as shown in Figure 5 2 will appear showing the upgrade progress and...

Page 39: ...ZLG Electronics will try to present detailed and accurate product information in this manual However due to the effectiveness of this manual within a particular period of time ZLG Electronics does not...

Page 40: ...ter User Manual 2021 Guangzhou ZLG Microelectronics Technology Corp Ltd 37 User Manual Dreams come true with professionalism and dedication Guangzhou ZLG Electronics Co Ltd For more details please vis...

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