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ZLG CANFDNET-400U, Product User Manual

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Product User Manual 

CANFDCOM-100IE 

RS232/485/422-CAN(FD)-BUS Intelligent Protocol converter 

 
 
 
 
 

User Manual

 

UM01010101  V1.02 

Date: 2019/08/20 

 

 

Category 

Contents 

Keywords

 

RS232, CAN, conversion, baud rate 

Description

 

This converter quickly connects RS232/485/422 

communication equipment to the CAN(FD)-BUS field bus 

 

©2021 Guangzhou ZLG Microelectronics Technology Corp.,Ltd.

 

Summary of Contents for CANFDNET-400U

Page 1: ...converter User Manual UM01010101 V1 02 Date 2019 08 20 Category Contents Keywords RS232 CAN conversion baud rate Description This converter quickly connects RS232 485 422 communication equipment to t...

Page 2: ...Microelectronics Technology Corp Ltd i User Manual Revision History Version Date Reason V1 00 April 11 2018 Created V1 01 March 15 2019 Updated the document header and footer and Sales and Service Net...

Page 3: ...arameters 11 3 2 3 CAN Parameters 11 3 2 4 Filter Parameters 14 3 2 5 Button Description 14 4 Conversion Modes 16 4 1 Transparent Conversion 17 4 1 1 Frame Formats 17 4 1 2 Conversion Methods 17 4 1 3...

Page 4: ...bus communication interface and support user defined communication baud rate CANFDCOM 100IE integrates one 3 wire RS 232 communication interface one 2 wire RS 485 communication interface and one 4 wir...

Page 5: ...o Ethernet Converter User Manual 2021 Guangzhou ZLG Microelectronics Technology Corp Ltd 2 User Manual Low speed CAN FD network data acquisition data analysis CAN FD bus application system such as the...

Page 6: ...electronics Technology Corp Ltd 3 User Manual 2 Hardware 2 1 Appearance Figure 2 1 shows the appearance Figure 2 1 CANFDCOM 100IE appearance 2 2 Interfaces The CANFDCOM 100IE converter has three user...

Page 7: ...D RS232 receive 5 RS232_GND RS232 isolated ground 1 4 6 7 8 9 NC Dangling OPEN8 terminal 1 2 3 4 5 6 7 8 1 485A_R 485A 422 receive positive phase signal 2 485B_R 485B 422 receive inverted signal 3 485...

Page 8: ...ble in the configured state Only in the configuration state can the host computer or AT commands be used for parameter configuration 2 5 CAN Bus Connection The physical layer mainly transmits inter de...

Page 9: ...istor needs to be connected to the network terminal node to eliminate signal reflection on the bus and avoid signal distortion Figure 2 2 shows the high speed CAN network topology The device has a bui...

Page 10: ...CANFDNET 400U High performance Four channel CANFD Bus to Ethernet Converter User Manual 2021 Guangzhou ZLG Microelectronics Technology Corp Ltd 7 User Manual Figure 2 3 Mechanical dimensions...

Page 11: ...hods require the repeater to enter configuration mode 3 1 Entering Configuration Mode To put the converter into configuration mode a dedicated configuration switch is set as shown in Figure 3 1 Set th...

Page 12: ...electable conversion modes transparent conversion transparent conversion with flags format conversion and Modbus mode Conversion direction Bidirectional The converter converts the data of the serial b...

Page 13: ...e standard frame is 11 bits and the ID of the extended frame is 29 bits Time interval ms between serial frames This parameter is used only in transparent conversion and transparent conversion with fla...

Page 14: ...e is too long it may cause too much data accumulation at the serial port which results in overflow and loss 3 2 2 Serial Port Parameters As shown in Figure 3 3 this option mainly sets serial port rela...

Page 15: ...has an ID parameter so this parameter is invalid Terminal resistance enable This parameter enables the built in CAN bus 120 ohm terminal resistance of the device Baud rate includes the arbitration do...

Page 16: ...4 Select the arbitration domain baud rate for the appropriate sampling point If the value is selected the blue background color appears indicating that the value is selected as shown in 5 Select the d...

Page 17: ...ing is enabled but there is no filtering item in the filtering table all packets will be filtered at this time The maximum number of filter items can be set to 64 Example As shown in Figure 3 6 the ac...

Page 18: ...el CANFD Bus to Ethernet Converter User Manual 2021 Guangzhou ZLG Microelectronics Technology Corp Ltd 15 User Manual Save configuration After the parameters are set click this button to write the con...

Page 19: ...based on the common characteristics of common serial frames and CAN CANFD messages so that the two bus types can easily form the same communication network This method can convert the address in the...

Page 20: ...4 1 Transparent Conversion In transparent conversion mode the converter receives the data on one side of the bus and immediately converts it and sends it to the other side of the bus In this way the d...

Page 21: ...ntil the data is converted Table 4 2 Converting serial frames to CAN messages transparent mode CAN message standard frame Frame information User Profile Serial frame Frame ID User Profile Address Data...

Page 22: ...rmation User Profile Serial frame Frame ID User Profile Address Data User Profile 0 Data 1 Data field Data 1 1 Data 2 Data 2 2 Data 3 Data 3 3 Data 4 Data 4 45 Data 46 Data 46 46 Data 47 Data 47 47 Da...

Page 23: ...61 Data 61 Data 62 Data 62 Data 63 Data 63 Data 64 Data 64 4 1 3 Conversion Examples 1 Serial frames to CAN messages Suppose the CAN type is ordinary CAN the frame information is standard frame the f...

Page 24: ...S bit corresponding to baud rate acceleration is 1 and the data in the serial frame part will be converted into CANFD message without any modification Because there are 70 bytes of data and the maximu...

Page 25: ...te 0x23 in the serial frame The data field of the CAN message will be converted into the data part of the serial frame without any modification 4 Converting CANFD messages to serial frames The CAN typ...

Page 26: ...forwarded When the CAN CANFD message is converted into a serial frame the ID of the CAN CANFD message is also converted into the corresponding position of the serial frame Note In this conversion mod...

Page 27: ...sage is filled with 0 Other data are converted sequentially If a frame of CAN CANFD message has not finished converting the serial frame data the same ID is still used as the frame ID of the CAN CANFD...

Page 28: ...Data 1 CANFD frame ID1 Frame ID 1 Data 1 CANFD frame ID1 Data 1 CANFD frame ID1 Data 1 CANFD frame ID1 Address 1 Data 2 CANFD frame ID0 Frame ID0 Data 2 CANFD frame ID0 Data 2 CANFD frame ID0 Data 2 C...

Page 29: ...extended frame should meet the pre configured frame format requirements otherwise the communication may fail Table 4 12 Converting CAN standard frame messages into serial frames transparent conversio...

Page 30: ...x05 0x0D Address 8 0x08 0x06 0x0E Address 9 0x09 0x07 Address 10 0x0A 0x08 Address 11 0x0B 0x09 Address 12 0x0C 0x0A Address 13 0x0D Address 14 0x0E As shown in Table 4 14 because the pre configured C...

Page 31: ...CANFD messages is 4 bytes Because the starting address in the configuration serial frame is 2 and the length is 3 three bytes are taken continuously from the address 2 in the serial frame which are 0...

Page 32: ...will be sequentially converted to the unfilled part of the serial frame without any modification 4 Converting CANFD messages to serial frames Assume that the start address of the configured CANFD ide...

Page 33: ...rmation frame ID frame data Note In this conversion mode the preset CAN ID is invalid because the identifier frame ID sent at this time is filled with the frame ID data in the above mentioned format s...

Page 34: ...similar in CANFD mode except that the frame data is fixed 64 bytes In the conversion first ensure correct frame information The data length must be correct otherwise no conversion will occur Each fra...

Page 35: ...easy to use segmented communication format is developed to realize Modbus communication The role of the converter is still protocol verification and forwarding It supports Modbus protocol transmissio...

Page 36: ...X X ID 28 ID 24 Frame ID 2 ID 23 ID 16 Frame ID1 ID 15 ID 8 Frame ID0 ID 7 ID 0 Data 1 Segment marker Segment type Segment counter Data 2 Character 1 Data 3 Character 2 Data 4 Character 3 Data 5 Chara...

Page 37: ...st segment If the segment counter contains the value 0 this is The first segment in a series of segments 1 Middle segment This is an intermediate segment 2 Last segment Mark the last segment Segment c...

Page 38: ...ata 7 Data 8 Table 4 29 CANFD communication frame mutual conversion format Modbus mode Modbus RTU frame CANFD message CANFD message 1 CANFD message x Address field Frame information Frame information...

Page 39: ...he segmentation protocol the group of data is discarded without conversion 4 4 3 Conversion Examples When the CAN mode is configured and the frame type is set to extended frame as shown in Table 4 30...

Page 40: ...ata 6 0x02 CRC field 0xED Data 7 0x04 0x69 Data 8 0x00 Table 4 31 Example of mutual conversion format of the CAN extended frame communication frame independent message in Modbus mode Modbus RTU frame...

Page 41: ...iguration state and the CFG indicator is on The converter can be configured Figure 5 1 Entering the configuration mode 5 1 2 Connecting the Converter by Using the Configuration Tool In the configurati...

Page 42: ...so display the Device connection verification failed message and check whether the serial port on the selected PC is connected 5 1 3 Setting the Save Parameters After the connection is successful conf...

Page 43: ...d the baud rate of the serial port must be the same Otherwise the communication fails and the indicator flashes red Conduct data conversion tests Use the serial port debugging software to send data by...

Page 44: ...irmware bin file by using the host computer configuration tool The procedure is as follows Step 1 Click the firmware upgrade button below the host computer configuration tool The firmware upgrade wind...

Page 45: ...s flashing fast the device stays in Bootloader mode Turn the switch to ON within this second At this time the time spent in Bootloader mode will increase by 1 second In this 1 second turn the switch b...

Page 46: ...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 47: ...ter User Manual 2021 Guangzhou ZLG Microelectronics Technology Corp Ltd 44 User Manual Dreams come true with professionalism and dedication Guangzhou ZLG Electronics Co Ltd For more details please vis...

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