Ebyte E78-868LN22S User Manual
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Ebyte E78-868LN22S User Manual

Lorawan wireless module
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Chengdu Ebyte Electronic Technology Co., Ltd.
E78-868LN22S User manual
E78-868LN22S User Manual
LoRaWAN Wireless Module
Copyright ©2012–2019，成都亿佰特电子科技有限公司
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Summary of Contents for Ebyte E78-868LN22S

  • Page 1 Chengdu Ebyte Electronic Technology Co., Ltd. E78-868LN22S User manual E78-868LN22S User Manual LoRaWAN Wireless Module Copyright ©2012–2019，成都亿佰特电子科技有限公司...

  • Page 2: Table Of Contents

    1. OVERVIEW......................................3 ................................3 MAIN PARAMETER ............................. 3 1.2 P ARAMETER ESCRIPTION 2. TERMS AND DEFINITIONS................................. 4 3. MECHANICAL PROPERTIES................................5 3.1 E78-868LN22S D ............................5 IMENSIONS 3.2 P ................................5 IN DEFINITION 3.3 R ........................6 ECOMMENDED CONNECTION DIAGRAM 4.

  • Page 3: Overview

    E78-868LN22S 1. Overview E78-868LN22S is a standard LoraWan node module designed and manufactured by Chengdu Ebyte Electronic Technology Co., Ltd., working frequency band EU863~870MMHZ, supports CLASS-A/CLASS-C node type, supports ABP/OTAA two network access modes, and at the same time, this module With a variety of low-power modes, the external communication interface uses a standard UART.

  • Page 4: Terms And Definitions

    Chengdu Ebyte Electronic Technology Co., Ltd. E78-868LN22S User manual 2. Terms and definitions 2.1 LoRa LoRa is one of the LPWAN communication technologies, the full name is Long Range Radio, which means “long-range radio” in Chinese; the company that currently dominates the technology is the foreign semtech company;...

  • Page 5: Mechanical Properties

    E78-868LN22S 3. Mechanical properties 3.1 E78-868LN22S Dimensions 3.2 Pin definition Name Direction Function Ground wire, connected to the power reference ground Power supply, range 2.5-3.7v (external ceramic filter capacitor is recommended) SETB Low power wake-up pin DIO1 Input/output NC (reserved pin)

  • Page 6: Recommended Connection Diagram

    E78-868LN22S ground Antenna interface, stamp hole (50 ohm characteristic impedance) Ground wire, connected to the power reference ground Ground wire, connected to the power reference ground Ground wire, connected to the power reference ground Ground wire, connected to the power reference...

  • Page 7: Lorawan Application Model Diagram

    Chengdu Ebyte Electronic Technology Co., Ltd. E78-868LN22S User manual 4. LoraWan application model diagram The complete LoraWan network system consists of: node, gateway, Lora NetWork Server, application server, the node is generally designed by LORA chip; the gateway is designed by SX1301 provided by semtech; Lora NetWork Server now has open source loraserver or commercial TTN (The ThingsNetwork), users can build their own;...

  • Page 8: Access Demo

    E78-868LN22S User manual 5. Access demo The demonstration kit is: E78-868LN22S as a node, E890 as a gateway to access the free TTN (TheThingsNetwork) test server for communication test; node-side OTAA access mode corresponding settings are as follows: On the TTN, the gateway data record is as follows The TTN node data record is as follows Copyright ©2012–2019，成都亿佰特电子科技有限公司...
  • Page 9 E78-868LN22S Note: For the TTN creation device and corresponding configuration process, please refer to 《LORAWAN Node + Gateway TTN Server Configuration Tutorial》...

  • Page 10: At Command

    Chengdu Ebyte Electronic Technology Co., Ltd. E78-868LN22S User manual 6. AT command Command format： <CMD>[op][ para1, para2, para3,…]<CR><LF> ：Command prefix CMD：Control command [op]：Command operator。Can be the following:  “=”：indicates the parameter setting.  “?”：Indicates the current value of the query parameter.
  • Page 11 E78-868LN22S CRSSI Get the RSSI value of the channel CNBTRIALS Set the read NbTrans parameter Set the read report mode CTXP Set the read transmit power CLINKCHECK Enable Link check CADR Enable or disable ADR CRXP Set the read receive window parameters...
  • Page 12 E78-868LN22S (Read version command identifier) Parameter Description <revision>： version number Return value description AT+CGMR? Example +CGMR=V4.1 Precautions Command Command Command Format response character Type Query +CGSN=<sn> AT+CGSN? command Parameter Description CGSN <sn>： Product serial number identifier (Read product Return value...
  • Page 13 E78-868LN22S Description 0:OTAA 1:ABP Return value description AT+CJOINMODE=0 Example Different mode nodes have different network access modes. ABP should use Precautions this command before sending data. Command Command Command Format response character Type Test AT+CDEVEUI=? +CDEVEUI=<DevEUI:length is 16> command Query +CDEVEUI:<value>...
  • Page 14 E78-868LN22S (Set AppKey) command Query + CAPPKEY:<value> AT+CAPPKEY? command Setting AT+CAPPKEY =<value> command Parameter Description <value>： Node AppEUI Return value description AT+CAPPKEY=AABBCCDD00112233AABBCCDD00112233 Example Used in OTAA, set or read AppKey, return Y1Y2...Y16, hexadecimal Precautions format, and take 16 bytes. Command...
  • Page 15 E78-868LN22S Used in ABP, set or read AppSKey, return Y1Y2...Y16, hexadecimal Precautions format, which takes 16 bytes. Command Command Command Format response character Type Test AT+CNWKSKEY=? +CNWKSKEY =<NwkSKey:length is command 32> Query AT+CNWKSKEY? +CNWKSKEY:<value> command Setting AT+CNWKSKEY=<value> command CNWKSKEY Parameter...
  • Page 16 E78-868LN22S Parameter <mode>： Description 1：Same frequency mode Return value 2：Different frequency mode description AT+CULDLMODE=2 Example Precautions Set before Join Command Command Command Format response character Type Test AT+CWORKMODE=? +CWORKMODE:“mode” command Query AT+CWORKMODE? +CWORKMODE:<mode> command Setting AT+CWORKMODE=<mode> command CWORKMODE Parameter (Set working Description <mode>：...
  • Page 17 E78-868LN22S ( Query the command current status of +CSTATUS:<status> Query AT+CSTATUS? the device ) command Setting <status>： command 00 – No data operation 01 – Data transmission 02 – Data transmission failed 03 – Data sent successfully 04 – JOIN succeeded (only in the first JOIN process) Parameter 05 –...
  • Page 18 E78-868LN22S 0 – turn off automatic JOIN 1 – The automatic JOIN. module automatically starts JOIN after entering the transparent mode. [ParaTag3]indicates the JOIN period,Range of values：7~255, The unit is s. Factory default: 8。 [paratag4] indicates the maximum number of join attempts. Paratag4 value range: 1-255 AT+CJOIN=1,1,10,8 （Set the join parameter: enable automatic join, the join...
  • Page 19 E78-868LN22S OK+SENT and OK+RECV messages are output. Unconfirm type data: The downlink response will not be requested after the data is sent, and the OK+SEND, OK+SENT message will be returned at the end of each transmission. If the downlink data is received, the OK+RECV message is sent.
  • Page 20 E78-868LN22S Command Command Command Format response character Type Test +DRX:<Length>,<Payload> AT+DRX=? command Query AT+DRX? +DRX:<Length>,<Payload> command Parameter Return value: Description Length： 0 means empty packet; (Receive data) Payload：Hexadecimal string data; Return value Ono exception in receiving data packet； description AT+DRX?
  • Page 21 E78-868LN22S Command Command Command Format response character Type Test +CDATARATE:“value” AT+CDATARATE=? command Query +CDATARATE:<value> AT+CDATARATE? command Setting AT+CDATARATE =<value> command Parameter <value>： as follows: CDATARATE Description Rate value, the factory value is 3, the value range: (Set the 0 - SF12， BW125 communication 1 - SF11，...
  • Page 22 E78-868LN22S Precautions Command Command Command Format response character Type Test AT+CNBTRIALS=? +CNBTRIALS: “MType”,“value” command Query AT+CNBTRIALS? +CNBTRIALS:<MType>,<value> command AT+CNBTRIALS=<MType>, Setting <value> command CNBTRIALS (Set the number Parameter of times to send) Description <MType>:0:unconfirm 包， 1:confirm 包。 <value>：the maximum number of times to send, value range: 1~15;...
  • Page 23 E78-868LN22S AT+CRM=1,10 Example Precautions Need to set before sending data Command Command Command Format response character Type Test AT+CTXP=? +CTXP:“value” command Query AT+CTXP? +CTXP:<value> command Setting AT+CTXP=<value> command Parameter <is the transmission power size, the factory value is 0. Description...
  • Page 24 E78-868LN22S Y2 is NbGateways Y3 is the downstream RSSI Y4 is the downstream SNR AT+CLINKCHECK=1 Example +CLINKCHECK: 0， 0， 1， -68， 8 Precautions Need to set before sending data Command Command Command Format response character Type +CRXP:“RX1DRoffest”,”RX2DataRate Test AT+CRXP=? ”,”RX2Frequency command ”...
  • Page 25 E78-868LN22S Set how long the rx1 window will open after sending, and set before Precautions sending data. It is the protocol default value when not set. Command Command Command Format response character Type Test +CSAVE AT+CSAVE=? command Setting AT+CSAVE command...
  • Page 26 E78-868LN22S After receiving the instruction, the communication module will reply to OK Precautions and restart the communication module. No further AT commands are received until the restart is complete. Command Command Command Format response character Type +CLPM:"Mode" Test AT+CLPM=? command Setting AT+CLPM=<mode>...

  • Page 27: Faq

     8. Important statement 1. EBYTE reserves the right of final interpretation and modification of all contents in this manual. 2. As the hardware and software of the product continue to improve, this manual may be subject to change without further notice, and the final version of the manual shall prevail.

  • Page 28: Revision History

    2020-01-13 10. About us Technical support: support@cdebyte.com Documents and RF Setting download link:：www.ebyte.com Thank you for using Ebyte products! Please contact us with any questions or suggestions: info@cdebyte.com ------------------------------------------------------------------------------------------------- Official hotline: 028-61399028 ext. 821 Web: www.ebyte.com Address: Innovation Center D347, 4# XI-XIN Road,Chengdu, Sichuan, China...

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