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Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual

Copyright ©2012–

2018

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Chengdu Ebyte Electronic Technology Co.,Ltd.

26

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Summary of Contents for E22-400T22S

Page 1: ...E22 400T30S User Manual SX1268 433 470MHz 1W SMD Wireless Module ...

Page 2: ...9 5 2 BROADCASTING TRANSMISSION 9 5 3 BROADCASTING ADDRESS 10 5 4 MONITOR ADDRESS 10 5 5 RESET 10 5 6 AUX DESCRIPTION 10 5 6 1 Indication of UART output 10 5 6 2 Indication of wireless transmitting 11 5 6 3 Configuration procedure of module 12 5 6 4 Notes for AUX 12 6 OPERATING MODE 12 6 1 MODE SWITCHING 13 6 2 NORMAL MODE MODE 0 13 6 3 WOR MODE MODE 1 14 6 4 CONFIGURATION MODE MODE 2 14 6 5 DEEP ...

Page 3: ...ON INSTRUCTIONS ON COMPUTER 19 10 HARDWARE DESIGN 20 11 FAQ 21 11 1 COMMUNICATION RANGE IS TOO SHORT 21 11 2 MODULE IS EASY TO DAMAGE 21 11 3 BER BIT ERROR RATE IS HIGH 22 12 PRODUCTION GUIDANCE 22 12 1 REFLOW SOLDERING TEMPERATURE 22 12 2 REFLOW SOLDERING CURVE 23 13 E22 SERIES 23 14 ANTENNA RECOMMENDATION 24 15 PACKAGE FOR BATCH ORDER 25 REVISION HISTORY 25 ABOUT US 25 ...

Page 4: ...es to provide custom development services It supports packet length setting and also supports different real time and data packet 1 2 Features Communication distance tested is up to 10 km Maximum transmission power of 1W software multi level adjustable Support the global license free ISM 433MHz band Support air date rate of 0 3kbps 62 5kbps Support new generation LoRa technology based on SX1268 Su...

Page 5: ...sess signal quality improve communication networks and ranging The module supports ambient noise signal strength serial output It can be used to implement LBT functions manually Wireless configuration Remotely configure or read wireless module parameters by sending command packets wirelessly Networking function The module can implement multi level repeater networking Multi level repeater is suitab...

Page 6: ...lost and the module will work according to the set parameters after power on Applicable environment 433MHz is free frequency band users can use it directly without application 433MHz features certain penetration and diffraction ability suitable for environment with small data volume long transmission distance and easy to be interfered 2 Specification and parameter 2 1 Limit parameter Main paramete...

Page 7: ...tance for reference 10000m Test condition clear and open area antenna gain 5dBi antenna height 2 5m air data rate 2 4kbps TX length 1000 Btye Can be configured via command as 32 64 128 240 bytes per packet to transmit Buffer 1000 Btye Modulation GFSK LoRa Communication interface UART Package SMD Connector 2 54 mm Size 40 5 25 mm Antenna IPEX stamp hole 50 ohm impedance ...

Page 8: ...0 to decide 4 working modes of module not suspended if not used could be grounded 3 RXD Input TTL UART inputs connects to external MCU PC TXD output pin Can be configured as open drain or pull up input Ground 4 TXD Output TTL UART outputs connects to external RXD MCU PC input pin Can be configured as open drain or push pull output 5 AUX Output To indicate module s working status wakes up the exter...

Page 9: ...DC 7 GND Input Ground 8 NC Input can be suspended 9 GND Input Ground 10 NC Input can be suspended 11 NC Input can be suspended 12 NC Input output can be suspended 13 NC Input output can be suspended 14 NC Input output can be suspended 15 GND Ground 16 GND Ground 17 GND Ground 18 ANT output High frequency signal output 50 ohm characteristic impedance 4 Connect to MCU ...

Page 10: ... 2012 2018 Chengdu Ebyte Electronic Technology Co Ltd 9 No Description STM8L MCU 1 The UART module is TTL level 2 For some MCU works at 5VDC it may need to add 4 10K pull up resistor for the TXD AUX pin 5 Function description 5 1 Fixed transmission 5 2 Broadcasting transmission ...

Page 11: ...e of monitor is realized 5 5 Reset When the module is powered AUX outputs low level immediately conducts hardware self check and sets the operating mode based on user s parameters During the process the AUX remains low level After the process completed the AUX outputs high level and starts to work as per the operating mode combined by M1 and M0 Therefore users need to wait the AUX rising edge as t...

Page 12: ... can input data less than 1000 bytes continuously without overflow Buffer not empty when AUX 0 the internal 1000 bytes data in the buffer have not been written to the RFIC completely If the user starts to transmit data at this circumstance it may cause overtime when the module is waiting for the user data or transmitting wireless sub package When AUX 1 it does not mean that all the UART data of th...

Page 13: ...fter switching to new operating mode it will not work in the new mode immediately until AUX rising edge lasts for 2ms If AUX stays on the high level the operating mode switch can be effected immediately 4 When the user switches to other operating modes from mode 3 sleep mode or it s still in reset process the module will reset user parameters during which AUX outputs low level 6 Operating mode The...

Page 14: ... receiving and sending before entering sleep mode This feature can be used for fast sleep which saves power for example the transmitter module works in mode 0 the user transmits the serial port data 12345 and then does not have to wait for the AUX pin to be idle high level and can directly switch to sleep mode And the user s main MCU immediately sleeps the module will automatically transmit the us...

Page 15: ...ing Wireless receiving off Configuration Users can access the registers to configure the module s operation state 6 5 Deep sleep mode Mode 3 Type M0 1 M1 1 Transmitting Unable to transmit wireless data Receiving Unable to receive wireless data Note When from the sleep mode to other modes the module will reconfigure the parameters During the configuration process AUX will remain low After configura...

Page 16: ...1 05 01 09 E g 2 Read module address network address serial port and air data rate Send C1 00 04 Return C1 00 04 12 34 00 61 3 Set temporary registers Command C2 starting address parameters Response C1 starting address length parameters E g 1 Channel is 0x09 command starting address length parameter Send C2 05 01 09 Returen C1 05 01 09 E g 2 Configure module address 0x1234 network address 0x00 ser...

Page 17: ...data rate 000 0 3k 001 1 2k 010 2 4k default 011 4 8k 100 9 6k 101 19 2k 110 38 4k 111 62 5k For the two modules that communicate with each other the serial port baud rate can be different and the verification method can also be different When transmitting large packets continuously users need to consider the data blocking caused by the same baud rate and data may even be lost It is generally reco...

Page 18: ...ing data Receiving is turned on 0 WOR receiver default The module is unable to transmit data and works in WOR monitoring mode The monitoring period is as follows WOR cycle which can save a lot of power 2 1 0 WOR cycle 000 500ms When enabled the module receives wireless data and it will follow an RSSI strength byte after output via the serial port TXD The module recognizes the first three bytes of ...

Page 19: ...el Air data rate Baud rate Parity format Power E22 400T30S 433MHz 0x0000 0x17 2 4kbps 9600 8N1 30dbm 8 Repeater networking mode No Description 1 After setting the repeater mode by configuration switch to the normal mode and the repeater starts working 2 In the repeater mode ADDH ADDL are no longer used as the module address but is correspondingly paired with the NETID If the data of one of the net...

Page 20: ... ADDH ADDL are 33 05 Therefore Repeater 2 can forward the data of Repeater 1 to the network NETID 05 Thus node 3 and node 4 can receive node 1 data Node 4 outputs data normally and node 3 has a different address than node 1 so no data is output Two way repeater As shown in the figure the data sent by node 1 the nodes 2 4 can receive the data sent by node 2 4 and node 1 can also receive it 9 Config...

Page 21: ...dress the hexadecimal value 0X020A is converted into the decimal value 522 as the repeater end R Module address That is the module address value of the repeater terminal R is 522 at this time 10 Hardware design It is recommended to use a DC stabilized power supply The power supply ripple factor is as small as possible and the module needs to be reliably grounded Please pay attention to the correct...

Page 22: ...e If necessary appropriate isolation and shielding can be done If the communication line uses a 5V level a 1k 5 1k resistor must be connected in series not recommended there is still a risk of damage Try to stay away from some physical layers such as TTL protocol at 2 4GHz for example USB3 0 The mounting structure of antenna has a great influence on the performance of the module It is necessary to...

Page 23: ... sure that the power supply is reliable The extension line and feeder quality are poor or too long so the bit error rate is high 12 Production guidance 12 1 Reflow soldering temperature Profile Feature Curve characteristics Sn Pb Assembly Pb Free Assembly Solder Paste Solder paste Sn63 Pb37 Sn96 5 Ag3 Cu0 5 Preheat Temperature min Tsmin Min preheating temp 100 150 Preheat temperature max Tsmax Mx ...

Page 24: ... 868M 915M 22 7 SMD 16 26 UART E22 230T22S SX1262 230M 22 7 SMD 16 26 UART E22 400T22S SX1268 430M 470M 22 7 SMD 16 26 UART E22 400M30S SX1268 433M 470M 30 12 SMD 24 38 5 SPI E22 900M30S SX1262 868M 915M 30 12 SMD 24 38 5 SPI E22 900M22S SX1262 868M 915M 22 6 5 SMD 14 20 SPI E22 400M22S SX1268 433M 470M 22 6 5 SMD 14 20 SPI E22 230T30S SX1262 230M 30 10 SMD 40 5 25 UART E22 400T30S SX1268 430M 470...

Page 25: ... 8 9 5mm Embedded FPC antenna TX433 JW 5 Rubber antenna 433M SMA J 2 50mm Flexible omnidirectional TX433 JWG 7 Rubber antenna 433M SMA J 2 5 75mm Flexible omnidirectional TX433 JK 20 Rubber antenna 433M SMA J 3 210mm Flexible omnidirectional TX433 JK 11 Rubber antenna 433M SMA J 2 5 110mm Flexible omnidirectional TX433 XP 200 Sucker antenna 433M SMA J 4 19cm 200cm Sucker antenna high gain TX433 XP...

Page 26: ...pdated huaa 1 20 2018 05 24 Content updated Huaa 1 21 2018 07 20 Model name revised Huaa 1 30 2018 10 23 Model No split Huaa 1 40 2019 04 03 Content updated Huaa 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 Fax 028 64146160 ext 821 Web www e...

Page 27: ...Chengdu Ebyte Electronic Technology Co Ltd E22 400T30S User manual Copyright 2012 2018 Chengdu Ebyte Electronic Technology Co Ltd 26 ...

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