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Chengdu Ebyte Electronic Technology Co.,Ltd.

E22-230T30D User Manual

Copyright ©2012–2021

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Chengdu Ebyte Electronic Technology Co.,Ltd.

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10

Fixing

hole

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Fixing hole

4

Recommended Connecting Diagram

Serial

number

Module and microcontroller brief connection instructions

(above diagram with STM8L microcontroller as an example)

1

The wireless serial module is TTL level, please connect with MCU of TTL level.

2

Some 5V microcontrollers may need to add 4~10K pull-up resistors to the TXD and AUX pins of the module.

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Summary of Contents for E22-230T30D

Page 1: ...E22 230T30D User Manual SX1262 230MHz 1W LoRa Wireless Module ...

Page 2: ...ommended Connecting Diagram 8 5 Function Details 9 5 1 Fixed Point Launch 9 5 2 Broadcast Transmission 9 5 3 Broadcast Address 10 5 4 Listening Address 10 5 5 Module Reset 10 5 6 AUX Explained 10 5 6 1 Serial data output indication 10 5 6 2 Wireless transmitting indication 11 5 6 3 Modules are in the process of being configured 11 5 6 4 Cautions 11 6 Working mode 12 6 1 Mode Switching 13 6 2 Gener...

Page 3: ...lay Networking Mode 19 9 Host Computer Configuration Instructions 20 10 Hardware Design 21 11 Common Questions 22 11 1 Unsatisfactory transmission distance 22 11 2 Module is vulnerable to damage 22 11 3 BER is too high 22 12 Welding Work Instruction 23 12 1 Reflow Temperature 23 12 2 Reflow Profile 23 13 Related Models 24 14 Antenna Recommendations 24 15 Bulk Packaging 25 Revision history 25 About...

Page 4: ...duction use modification or disclosure to third parties of this document or any part thereof without the express permission of EBYTE is strictly prohibited The information contained herein is provided as is and EBYTE assumes no liability for the use of the information No warranty either express or implied is given including but not limited with respect to the accuracy correctness reliability and f...

Page 5: ...pport users to set the communication key by themselves and it cannot be read which greatly improves the confidentiality of user data Support LBT function monitor the channel environmental noise before sending which can greatly improve the communication success rate of the module in harsh environments Support RSSI signal strength indicator function for evaluating signal quality improving communicat...

Page 6: ...pplications 2 Specifications 2 1 Limit Parameters Main parameters Performance Remarks Minimum value Maximum value Supply voltage V 0 5 5 Permanent module burnout above 5 5V Blocking Power dBm 10 Less probability of burnout with close use Operating temperature 40 85 Industrial Grade 2 2 Working Parameters Main parameters Performance Remarks Minimum value Typical values Maximum value Operating volta...

Page 7: ...grammed control Main parameters Description Remarks Reference Distance 10km Clear and open antenna gain 5dBi antenna height 2 5m air rate 2 4kbps Launch length 240 Byte Packets of 32 64 128 240 bytes can be sent by command Cache capacity 1000 Byte Modulation method LoRa Next generation LoRa modulation technology Communication Interface UART serial port TTL level Packaging method SMD Interface meth...

Page 8: ...n be grounded if not in use 2 M1 Input very weak pull up Work with M0 to determine the 4 modes of operation of the module not suspended grounded if not in use 3 RXD Input TTL serial input connected to the external TXD output pin 4 TXD Output TTL serial output connected to the external RXD input pin 5 AUX Output Used to indicate the working status of the module user wakes up the external MCU and ou...

Page 9: ...ing hole 4 Recommended Connecting Diagram Serial number Module and microcontroller brief connection instructions above diagram with STM8L microcontroller as an example 1 The wireless serial module is TTL level please connect with MCU of TTL level 2 Some 5V microcontrollers may need to add 4 10K pull up resistors to the TXD and AUX pins of the module ...

Page 10: ...Chengdu Ebyte Electronic Technology Co Ltd E22 230T30D User Manual Copyright 2012 2021 Chengdu Ebyte Electronic Technology Co Ltd 9 5 Function Details 5 1Fixed Point Launch 5 2Broadcast Transmission ...

Page 11: ... a low level and perform a hardware self test as well as set the operating mode according to user parameters During this process AUX is kept low and when it is finished AUX outputs high and starts to work normally according to the working mode formed by the combination of M1 and M0 Therefore the user needs to wait for the rising edge of AUX as the starting point for the module to work properly 5 6...

Page 12: ...fer is not empty when AUX 0 the data in the internal 1000 byte buffer has not yet been fully written to the wireless chip and turned on to transmit at which time the module may be waiting for the end of user data timeout or is in the process of wireless sub packet transmission Note AUX 1 does not mean that all serial data of the module have been transmitted through the wireless or the last packet ...

Page 13: ...er goes from mode 3 sleep mode to other modes or during reset during which the AUX output goes low 5 Due to the characteristics of LoRa modulation method the information transmission delay is much longer than FSK such as at 1 2kbps airspeed the 100 bytes transmission delay is about 1 5 seconds so it is recommended that customers should not carry out large data transmission at low airspeed to avoid...

Page 14: ...r the output goes high before switching 3 When the module is switched from other modes to hibernate mode if there is data that has not been processed The module will process this data both incoming and outgoing before entering sleep mode This feature can be used for fast hibernation to save power for example if the transmitter module works in mode 0 the user initiates the serial data 12345 and the...

Page 15: ...ng Receiving Can receive data normally receive function is equivalent to mode 0 6 4Configuration Mode Mode 2 Type When M0 0 and M1 1 the module operates in mode 2 Launch Wireless transmit off Receiving Wireless reception off Configuration User can access registers to configure module operating status 6 5Deep Sleep Mode Mode 3 Type When M0 1 and M1 1 the module operates in mode 3 Launch Unable to t...

Page 16: ...address 0x00 serial port 9600 8N1 and air speed 1 2K at the same time Send C0 00 04 12 34 00 61 Return C1 00 04 12 34 00 61 2 Read register Instruction C1 start address length Response C1 start address length parameters Example 1 Reading the channel Instruction Start Address Length Parameter Send C1 05 01 Return C1 05 01 09 Example 2 Simultaneous reading of module address network address serial po...

Page 17: ... as a broadcast and listening address i e the module will not be address filtered at this time 01H Read Wri te ADDL ADDL default 0 02H Read Wri te NETID NETID default 0 Network addresses which are used to distinguish networks When communicating with each other they should be set to the same 03H Read Wri te REG0 7 6 5 UART serial port rate bps Two modules that communicate with each other the serial...

Page 18: ...ket length the serial port at the receiving end will split the packet output 0 0 240 bytes default 0 1 128 bytes 1 0 64 bytes 1 1 32 bytes 5 RSSI Environmental Noise Enable When enabled the command C0 C1 C2 C3 can be sent in transmit mode or WOR send mode Read register Register 0x00 Current ambient noise RSSI Register 0X01 RSSI of the last received data Current channel noise is dBm 256 RSSI Comman...

Page 19: ...ent but may introduce data delays The maximum dwell time of LBT is 2 seconds and it will be forced to issue when it reaches two seconds 0 Disable default 1 Enable 3 WOR mode transceiver control Only valid for mode 1 After the WOR receiver receives the wireless data and outputs it through the serial port it will wait for 1000ms before entering the WOR again During this period the user can input the...

Page 20: ...hrough the configuration mode switch to the general mode and the trunk starts to work 2 relay mode ADDH ADDL are no longer used as module addresses but are forwarded to the pair corresponding to the NETID respectively and if one of the networks is received it is forwarded to the other network The network ID of the repeater itself is invalid 3 In relay mode the relay module cannot send and receive ...

Page 21: ...node 1 so it does not output data Two way relay As configured in the figure the data sent by node 1 can be received by nodes 2 and 4 and the data sent by nodes 2 and 4 can be received by node 1 9 Host Computer Configuration Instructions The following figure shows the display interface of the E22 230T22S configuration upper computer Users can switch to command mode through M0 and M1 for quick confi...

Page 22: ...wer supplies transformers high frequency alignments and other parts with high electromagnetic interference High frequency digital alignment high frequency analog alignment power supply alignment must be avoided below the module if it is necessary to pass below the module assuming that the module is soldered in the Top Layer in the module contact part of the Top Layer laying copper all laying coppe...

Page 23: ...rature is lower than the recommended value and the lower the voltage the less power is generated Use antenna and module match poorly or antenna itself quality problems 11 2 Module is vulnerable to damage Please check the power supply to ensure that it is between the recommended supply voltages as exceeding the maximum will cause permanent damage to the module Please check the stability of the powe...

Page 24: ...emperature max Tsmax Maximum preheating temperature 150 C 200 Preheat Time Tsmin to Tsmax ts Warm up time 60 120 sec 60 120 sec Average ramp up rate Tsmax to Tp Average rise rate 3 second max 3 second max Liquidous Temperature TL Liquid phase temperature 183 217 Time tL Maintained Above TL Time above the liquid phase line 60 90 sec 30 90 sec Peak temperature Tp Peak temperature 220 235 C 230 250 C...

Page 25: ... 38 5 SPI E22 900M22S SX1262 868 915M 22 7 SMD 14 20 SPI E22 900M30S SX1262 868 915M 30 12 SMD 24 38 5 SPI 14 Antenna Recommendations Antenna is an important role in the communication process often poor quality antenna will have a great impact on the communication system so we recommend some antennas as supporting our wireless module and more excellent performance and reasonable price Product Mode...

Page 26: ...otes Maintaining people 1 0 2018 01 08 initial version huaa 1 1 2018 04 16 Content update huaa 1 2 2018 05 24 name change Huaa 1 3 2018 07 20 Model split Huaa 1 4 2018 10 23 Content update Ray 1 5 2019 04 03 Content update Ray 1 6 2020 04 15 error correction du 1 7 2020 05 15 14 1 The antenna frequency band is changed from 433 to 230 du 1 8 2020 06 10 bugfix Linson 1 9 2020 11 26 initial version h...

Page 27: ...y Co Ltd 26 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 Phone 86 028 61399028 Web www ebyte com Address B5 Mould Park 199 Xiqu Ave High tech District Sichuan China ...

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