Ebyte E840-DTU, User Manual

Page 1: ...E840 DTU 4G 02 4G LTE Serial Server ...

Page 2: ...ts 1 PRODUCT OVERVIEW 2 1 1 INTRODUCTION 2 1 2 FEATURES 2 1 3 DTU PARAMETER 3 1 4 INTERFACE DESCRIPTION 5 1 5 PIN DEFINITION 6 2 QUICK START 7 2 1 HARDWARE 7 2 1 DATA TRANSMISSION TEST 10 2 2 NETWORK FUNCTION 12 2 3 HIGH SPEED MODE 12 2 4 SMS FUNCTION 15 3 AT COMMAND 18 4 NOTES 29 5 IMPORTANT STATEMENT 30 6 REVERSION HISTORY 31 7 ABOUT US 31 ...

Page 3: ... as power industry This manual is a quick introduction to the modem E840 DTU 4G 02 It is the easiest hardware environment to test the E840 DTU 4G 02 network transmission function that is to realize data being transmitted in both directions between the serial device here the computer and the network server 1 2 Features Almost meet all M2M application demands Support data transparent transmission su...

Page 4: ...ate 4 2Mbps Max upstream rate 2 2Mbps CDMA2000 characteristic support 3GPP2 CDMA2000 1X Advanced and 1xEV DO Rev A EVDO Max downstream rate 3 1Mbps Max upstream rate 1 8Mbps 1X Advanced Max downstream rate 307 2Kbps Max upstream rate 307 2Kbps GSM characteristic R99 CSD tx rate 9 6kbps 14 4kbps GPRS support GPRS multiple time slot level 33 default 33 coding format CS 1 CS 2 CS 3 CS 4 max of 4 Rx t...

Page 5: ...4dBm 10M WCDMA B1 112dBm WCDMA B8 112dBm TD SCDMA B34 110dBm TD SCDMA B39 110dBm CDMA BC0 108dBm GSM 900 109dBm GSM 1800 109dBm Consumption Typical 11uA power off 1 8mA LTE sleep PF 128 1 5mA LTE sleep PF 256 20mA free Bandwidth 1 4 3 5 10 15 20MHz Operating temperature 30 70 extending to 40 85 Operating voltage DC ８V ２８V Size 82 84 24mm RS485 RS232 RS485 RS232 3GPP frequency TX MHz RX MHz EGSM900...

Page 6: ...Chengdu Ebyte Electronic Technology Co Ltd E840 DTU 4G 02 User Manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co LTD 5 1 4 Interface description ...

Page 7: ... 1800ms low 200ms high the device checks the correct SIM card and is attaching to the network High The device is attached to the network successfully 8 NET Green SocketA link connection status indication pin High SocketA is successfully connected to the web server Low SocketA did not successfully connect to the network server Blue SocketB link connection status indication pin High SocketB is succe...

Page 8: ... E840 DTU 4G 02 12V Power Adaptor USB to RS485 converter or USB to RS232 converter optional LTE sucker antenna Connect the power supply antenna SIM card serial cable and other hardware before testing 1 Access the official website of EBYTE www ebyte com to download the latest GPRS E840 DTU series product configuration tool install USB to 232 485 driver run the software 2 Select the corresponding CO...

Page 9: ...ck the tool Enter Configuration Status button and wait for the device parameters to be automatically obtained After completion the following figure is displayed 2 Query the signal strength set the device connection server IP and port number to be 116 62 42 192 8124 Ebyte test server and finally click Save all parameters and finally as shown below ...

Page 10: ...ick the tool Module Restart button and wait for the device LINK light to be on 4 Search Ebyte IoT expert WeChat public number enter the page click Customer Support Device Test the mobile phone screenshot interface is as follows 5 Use the PC side tool to send data to and use the mobile phone to send data to the device The communication test ...

Page 11: ...e transparently transmitted to the server At the same time it can also receive data from the server After receiving the server data the module will output directly through the serial port The maximum length of data supported by this module is 1024 bytes When multiple links are connected to the server at the same time the data packet will be sent to the four links at the same time When there are da...

Page 12: ...ing at the same time OK E840 DTU 4G 01 _V1 0 Transmit AT SOCK2 1 TCPC 116 62 42 192 31687 open SOCK2 and configure the network server parameters that SOCK2 will connect to the parameter used here is Ebyte test server not recommended for users OK Transmit AT LINKSTA2 read if SOCK2 has started connection with server OK Connect Transmit AT POTOCOL ON open protocol transmission mode OK Transmit AT POT...

Page 13: ...rtbeat packet is used for network state maintenance The heartbeat period can be set from 0 to 65535 seconds and the maximum length of the heartbeat packet is 40 bytes when set to HEX format the maximum length is 20 bytes Supports two heartbeat types network heartbeat and serial heartbeat When the network heartbeat is selected the communication idle time starts and the heartbeat data packet is sent...

Page 14: ... file is an executable file After startup the following interface is displayed 3 Open the serial port tool and use the file sending method to open RF_Setting3 49 exe After the device is connected to the network server normally click send file and the sending is completed as shown below 4 The server the external network mapping used for this demo the server is the TCP debugging tool after receiving...

Page 15: ...yte Electronic Technology Co Ltd E840 DTU 4G 02 User Manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co LTD 14 5 Save the data as an exe trial file type This time it is named RF exe as shown below ...

Page 16: ...U 4G 02 completes the remote transfer of files from the serial port to the network server 2 4 SMS function E840 DTU 4G 02 can support SMS sending and receiving SMS remote configuration function inserted SIM card needs to support SMS service a SMS sending In AT mode send AT SMSSEND number data to complete the SMS sending where number refers to the receiving number and data refers to the data to be ...

Page 17: ...Technology Co Ltd E840 DTU 4G 02 User Manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co LTD 16 a SMS receiving The device can receive remote SMS content in transparent transmission mode The format is as follows ...

Page 18: ...ut command in the following format hexadecimal 01 06 00 01 00 01 19 CA ModbusT RTU when the conversion function is enabled the data received by the server is 00 00 00 00 00 06 01 06 00 01 00 01 ModbusT TCP b When the data received by the network is 00 00 00 00 00 06 01 06 00 01 00 01 ModbusT TCP the serial port of the device will output the data 01 06 00 01 00 01 19 CA ModbusT RTU Note In the Modb...

Page 19: ...nable Ebyte IoT platform function The AT EBTIOT command is used to set whether the module enables the transparent transmission function of the EBYTE cloud platform after it is turned on the information such as the heartbeat and registration packet configured by the user will be invalid The user only needs to set the forwarding relationship of the corresponding device to the platform to implement t...

Page 20: ...set inquire heartbeat packet info ASCII HEX HEARTM set inquire heartbeat packet time SHORTM set inquire short connection time EBTIOT set inquire to enable Ebyte IoT Cloud Platform CREG Inquire if it is registered to network CSQ Inquire signal strength CPIN Inquire SIM card status POTOCOL set inquire if protocol transmission mode starts UARTEX set inquire serial port parameter 9600 8 N 1 ICCID Inqu...

Page 21: ...er mod_name module name hw_ver hardware version sw_ver software version Description None AT EXAT Function exit command mode enter transparent transmission mode Format configure transmit AT EXAT CR LF return CR LF OK CR LF Parameter None Description After the command is executed correctly the module is switched from command mode to the transparent transmission mode AT RESTORE Function restore facto...

Page 22: ... imei IMEI of module AT LINKSTA Function inquire whether TCP connection is established Format inquire transmit AT LINKSTA CR return CR LF OK sta CR LF Parameter Sta whether establish TCP connection Connect TCP connection Disconnect TCP cut off AT LINKSTA1 Function inquire TCP whether TCP connection is established Format inquire transmit AT LINKSTA1 CR return CR LF OK sta CR LF Parameter Sta whethe...

Page 23: ...r format Format inquire transmit AT SOCK1 CR return CR LF OK EN protocol ip port CR LF configure transmit AT SOCK1 EN protocol ip port CR return CR LF OK CR LF Parameter EN enable 0 turn off SOCK1 1 turn on SOCK1 protocol type TCPC UDPC TCPC corresponding TCP client UDPC corresponding UDP client Ip The IP address or domain name of the target server when the module is set to CLIENT Port The port nu...

Page 24: ...return CR LF OK status CR LF configure transmit AT REGMOD status CR return CR LF OK CR LF Parameter status registration package mechanism EMBMAC adds MAC IMEI as registration packet data before each packet sent to the server EMBCSTM adds custom registration package data before each packet is sent to the server OLMAC sends a MAC IMEI registration packet only when it is first linked to the server OL...

Page 25: ...F parameter mode NET Network heartbeat package UART UART heartbeat package AT HEARTINFO Function Set inquire heartbeat package data Format inquire transmit AT HEARTINFO CR return CR LF OK data CR LF configure transmit AT HEARTINFO data CR return CR LF OK CR LF Parameters ASCII heartbeat packet data within 40 bytes of data AT HEARTINFONEW Function configure inquire heartbeat packet data Format inqu...

Page 26: ...ud platform Format inquire transmit AT EBTIOT CR return CR LF OK ctrl CR LF configure transmit AT EBTIOT ctrl CR return CR LF OK CR LF parameter ctrl EBYTE IoT function switch 0 off 1 on Note After the IoT cloud function is enabled the module is automatically connected to the Yiyi special IoT platform ignoring the sock configuration registration package and heartbeat package function AT CSQ Functi...

Page 27: ...AT POTOCOL data CR return CR LF OK CR LF Parameters data status ON Turns on the transmission of the EBYTE protocol OFF Turns off the he transmission of the EBYTE protocol AT UARTEX extending command function Set inquire serial port parameter AT UART is for configuring baud rate and parity only format inquire transmit AT UARTEX CR return CR LF OK sta CR LF configure transmit AT UARTEX baud data bit...

Page 28: ... for present device cid Base station id AT HSPEED Function configure inquire if high speed mode is enabled Format configure transmit AT HSPEED state CR return CR LF OK CR LF Inquire transmit AT HSPEED CR return CR LF OK state CR LF Parameter state ON high speed enabled OFF high speed disabled AT UARTTS Function configure inquire serial port packaging and break frame mechanism Format configure tran...

Page 29: ...ction configure inquire if Modbus RTU TCP switch function is enabled Format configure transmit AT MODBUS state CR return CR LF OK CR LF inquire transmit AT MODBUS CR return CR LF OK state CR LF Parameter state ON Modbus RTU TCP switch is on OFF Modbus RTU TCP switch is off AT MTCPID Function configure inquire Modbus RTU TCP event identifier Format configure transmit AT MTCPID id CR return CR LF OK...

Page 30: ...r the module and the server are successfully connected In the network if the client and the network server successfully establish a connection and there is no data transmission for a long time the Socket link may appear dead that is the chain The road exists but cannot send and receive data Therefore in actual use it is recommended to enable the heartbeat packet function to ensure the reliability ...

Page 31: ...e parameters after power on You need to send Send a valid AT command within the period of more than 2000ms and less than 3000ms to enter the AT mode normally 5 Important Statement All rights to interpret and modify this manual belong to Ebyte This manual will be updated based on the upgrade of firmware and hardware please refer to the latest version Please refer to our website for new product info...

Page 32: ...ta Description Issued by 1 00 2018 11 28 Initial version huaa 1 1 2019 03 19 Content modification huaa 1 2 2019 04 09 Product upgrade Ray 7 About Us Technical support support cdebyte com Documents and RF Setting download link www ebyte com Tel 86 28 61399028 Ext 812 Fax 028 64146160 Web www ebyte com Address Innovation Center B333 D347 4 XI XIN Road Chengdu Sichuan China ...