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Chengdu Ebyte Electronic Technology Co., Ltd.

E22-900T30S1C User manual

Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.

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“Node 1” NETID is 08.

“Node 2” NETID is 33.

Primary repeater 1‘s ’ADDH\ADDL are 08，33.

So the signal sent by node 1 (08) can be forwarded to node 2 (33)

At the same time, node 1 and node 2 have the same address, so the data transmitted by node 1 can be received by node 2.

② Secondary repeater

Secondary repeater’s 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.

3

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 Configuration instructions on computer



The following figure shows the E22-900T30S1C configuration host computer display interface, the user can switch to the
command mode through M0M1, and quickly configure and read the parameters on computer.

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Содержание E22-900T30S1C

Страница 1: ...E22 900T30S1C User Manual SX1262 868M 915M 1W SMD Wireless Module ...

Страница 2: ...0 5 2 BROADCASTING TRANSMISSION 11 5 3 BROADCASTING ADDRESS 11 5 4 MONITOR ADDRESS 11 5 5 RESET 11 5 6 AUX DESCRIPTION 12 5 6 1 Indication of UART output 12 5 6 2 Indication of wireless transmitting 12 5 6 3 Configuration procedure of module 13 5 6 4 Notes for AUX 13 6 OPERATING MODE 13 6 1 MODE SWITCHING 14 6 2 NORMAL MODE MODE 0 14 6 3 WOR MODE MODE 1 15 6 4 CONFIGURATION MODE MODE 2 15 6 5 DEEP...

Страница 3: ...ION INSTRUCTIONS ON COMPUTER 20 10 HARDWARE DESIGN 21 11 FAQ 22 11 1 COMMUNICATION RANGE IS TOO SHORT 22 11 2 MODULE IS EASY TO DAMAGE 23 11 3 BER BIT ERROR RATE IS HIGH 23 12 PRODUCTION GUIDANCE 23 12 1 REFLOW SOLDERING TEMPERATURE 23 12 2 REFLOW SOLDERING CURVE 24 13 E22 SERIES 24 14 ANTENNA RECOMMENDATION 25 15 PACKAGE FOR BATCH ORDER 26 REVISION HISTORY 26 ABOUT US 26 ...

Страница 4: ...oduction 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 ...

Страница 5: ...ces 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 10km Maximum transmission power of 1W software multi level adjustable Support the global license free ISM 868 915MHz band Support air date rate of 0 3kbps 62 5kbps Support new generation LoRa technology based on SX126...

Страница 6: ...ssess 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 suita...

Страница 7: ...t and the module will work according to the set parameters after power on Applicable environment 900MHz is free frequency band users can use it directly without application 900MHz 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 parameter P...

Страница 8: ... Distance for reference 10000m Test condition clear and open area antenna gain 5dBi antenna height 2 5m air data rate 2 4kbps TX length 240 Byte Can be configured via command as 32 64 128 240 bytes per packet to transmit Buffer 1000 Byte Modulation LORA Communication interface UART Package SMD Connector 2 54 mm Size 40 5 25 mm Antenna IPEX stamp hole 50 ohm impedance ...

Страница 9: ...M0 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 exte...

Страница 10: ...GND Input Ground 8 NRST Input Module reset pin low reset 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 ...

Страница 11: ...anual Copyright 2012 2018 Chengdu Ebyte Electronic Technology Co Ltd 10 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 ...

Страница 12: ...r address For example Set the address of module A as 0xFFFF or 0x0000 and the channel as 0x04 When module A is the receiver it can receive the data sent from all modules under channel 0x04 the purpose 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 th...

Страница 13: ...To wake up external MCU 5 6 2 Indication of wireless transmitting Buffer empty the internal 1000 bytes data in the buffer are written to the RFIC Auto sub packaging When AUX 1 the user 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 da...

Страница 14: ...After 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 Th...

Страница 15: ...g 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 u...

Страница 16: ...iving 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 configu...

Страница 17: ...C1 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 se...

Страница 18: ... 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 rec...

Страница 19: ...s are turned on and a wake up code is added when transmitting 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 seria...

Страница 20: ...s C0 00 00 62 00 12 Model No Frequency Address Channel Air data rate Baud rate Parity format Power E22 900T30S1C 900 125MHz 0x0000 0x12 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 correspon...

Страница 21: ...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 3 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 Confi...

Страница 22: ...ddress 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 correc...

Страница 23: ...stay away from the module according to the strength of the interference 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...

Страница 24: ...nnel to avoid interference Poor power supply may cause messy code Make 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 m...

Страница 25: ...2 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 47...

Страница 26: ...l No Type Frequency Hz Interface Gain dBi Height Cable Function feature TX868 XP 100 Sucker antenna 868M SMA J 3 5 29cm 100cm Sucker antenna High gain TX868 JK 20 Rubber antenna 868M SMA J 3 200mm Flexible omnidirectional TX868 JZ 5 Rubber antenna 868M SMA J 2 50mm Short straight omnidirectional TX915 XP 100 Sucker antenna 915M SMA J 3 5 25cm 100cm Sucker antenna High gain TX915 JK 20 Rubber anten...

Страница 27: ...sion Date Description Issued by 1 00 2018 01 08 Initial version Linson 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 ebyte com Address Innovation Center D347 4 XI XIN Road Chengdu Sichuan China ...

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