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Chengdu Ebyte Electronic Technology Co., Ltd.

E22-400T30S User Manual

Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.

11

6. Function description

6.1 Fixed transmission

6.2 Broadcasting transmission

6.3 Broadcasting address

For example: Set the address of module A as 0xFFFF or 0x0000, and the channel as 0x04;

When module is the transmitter (transparent transmission), all modules under channel 0x04 will receive the data, the purpose of

Содержание E220-230T30S

Страница 1: ...E220 230T30S User Manual 220 236MHz 30dBm New LoRa Wireless Module ...

Страница 2: ...adcasting address 11 6 4 Monitor address 12 6 5 Reset 12 6 6 AUX description 12 6 6 1 Indication of UART output 12 6 6 2 Indication of wireless transmitting 12 6 6 3 Configuration procedure of module 13 6 6 4 Notes for AUX 13 7 Register read and write control 14 7 1 Command format 14 7 2 Register description 15 7 3 Factory default parameter 17 8 Configuration instructions on computer 17 9 Hardware...

Страница 3: ...Chengdu Ebyte Electronic Technology Co Ltd E22 400T30S User manual 14 Package for batch order 22 Revision history 22 About us 23 ...

Страница 4: ...in the article are all obtained by the Ebyte laboratory and the actual results may vary slightly We hereby declared that all brand names trademarks and registered trademarks mentioned in this document are the property of their respective owners The final interpretation right belongs to Chengdu Ebyte Electronic Technology Co Ltd Notice Due to product version upgrades or other reasons the contents o...

Страница 5: ...er of 30dBm software multi level adjustable The communication allows users to set key that cannot be read greatly improving the user data privacy Supports RSSI for evaluating signal quality improving communication network and ranging Support air wake up that is ultra low power consumption function suitable for a battery powered application solutions Supports fixed transmission radio transmission c...

Страница 6: ...5 2 2 Operating parameter Main parameter Performance Remark Min Typ Max Operating voltage V 3 0 5 0 5 5 5 0 V ensures output power Communication level V 3 3 For 5V TTL it may be at risk of burning down Operating temperature 40 85 Industrial design Operating frequency MHz 220 125 236 125 Support ISM band Power consumpti on TX current mA 610 Instant power consumption RX current mA 17 Sleep current μ...

Страница 7: ...en area antenna gain 5dBi antenna height 2 5m air data rate 2 4kbps TX length 200 Byte Can be configured via command as 32 64 128 240 bytes per packet to transmit Buffer 400 Byte Modulation LoRa New generation LoRa modulation technology Communication interface UART Serial Port TTL level Package SMD Connector IPEX stamp hole Spacing 2 54mm Size 25 40 5 mm Antenna IPEX stamp hole 50 ohm impedance 3 ...

Страница 8: ...ide 4 working modes of module not float if not used could be grounded 7 M0 Input weak pull up Work with M1 to decide 4 working modes of module not float if not used could be grounded 11 ANT Output Antenna interface high frequency signal output 50 ohm impedance 12 GND Fixed ground 13 GND Fixed ground 14 GND Fixed ground 18 NC Input Output NC pin this pin needs to be left floating for subsequent exp...

Страница 9: ... some MCU works at 5VDC it may need to add 4 10K pull up resistor for the TXD AUX pin 5 Operating mode There are four operating modes which are set by M1 and M0 the details are as follows Mode 0 3 M1 M0 Description Remark 0 Normal mode 0 0 UART and wireless channel are open transparent transmission is on 1 WOR transmitting mode 0 1 Can be defined as WOR transmitter and WOR receiver Supports wake u...

Страница 10: ...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 user data through the wireless and automa...

Страница 11: ...s transmitting off Receiving Wireless receiving on 5 5 Deep sleep mode Mode 3 Type M0 1 M1 1 Transmitting Unable to transmit wireless data Receiving Unable to receive wireless data Configuration Users can access the registers to configure the module s operation state Note When from the sleep mode to other modes the module will reconfigure the parameters During the configuration process AUX will re...

Страница 12: ...gy Co Ltd 11 6 Function description 6 1 Fixed transmission 6 2 Broadcasting transmission 6 3 Broadcasting address For example Set the address of module A as 0xFFFF or 0x0000 and the channel as 0x04 When module is the transmitter transparent transmission all modules under channel 0x04 will receive the data the purpose of ...

Страница 13: ... to work as per the operating mode combined by M1 and M0 Therefore users need to wait the AUX rising edge as the start of module s normal work 6 6 AUX description AUX Pin can be used as indication for wireless send receive buffer and self check It can indicate whether there are data that are not sent yet via wireless way or whether all wireless data has been sent through UART or whether the module...

Страница 14: ...power on resetting or exiting sleep mode 6 6 4 Notes for AUX No Description 1 For function 1 function 2 mentioned above the priority should be given to the one with low level output which means if it meets each of any low level output condition AUX outputs low level if none of the low level condition is met AUX outputs high level 2 When AUX outputs low level it means the module is busy cannot cond...

Страница 15: ...ster Command C0 starting address length parameters Response C1 starting address length parameters E g 1 Channel is 0x09 command starting address length parameter Send C0 05 01 09 Returen C1 05 01 09 E g 2 Configure module address 0x1234 network address 0x00 serial port 9600 8N1 and air data rate 2 4K Send C0 00 04 12 34 00 61 Return C1 00 04 12 34 00 61 2 Read register Command C1 starting address ...

Страница 16: ...s 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 continuously transmitting large data packets users need to consider the data congestion caused by the same baud rate and may even be lost It is generally recommended that the baud rate of the two communication parties be the same 0 0 0 UART Rate i...

Страница 17: ...only start from 00 0 Disable Default 1 Enable 4 3 2 Reserve 1 0 Transmitting Power The relationship between power and current is non linear and the power supply has the highest efficiency at maximum power The current will not decrease in the same proportion as the power decreases 0 0 30dBm default 0 1 27dBm 1 0 24dBm 1 1 21dBm 04H Read Write REG2 Channel Control CH 0 63 represents a total of 64 ch...

Страница 18: ...ed for encryption to avoid interception of wireless data in the air by similar modules The module will use these two bytes as a calculation factor to transform and encrypt the air wireless signal 07H Write CRYPT _L Key low byte default 0 7 3 Factory default parameter Factory default parameters C0 00 00 62 00 00 Model No Frequency Address Channel Air data rate Baud rate Parity format Power E220 230...

Страница 19: ...tly damaged Please check the stability of the power supply the voltage can not be fluctuated frequently When designing the power supply circuit for the module it is often recommended to reserve more than 30 of the margin so the whole machine is beneficial for long term stable operation The module should be as far away as possible from the power supply transformers high frequency wiring and other p...

Страница 20: ...ntenna to the outside The antenna must not be installed inside the metal case which will cause the transmission distance to be greatly weakened 10 FAQ 10 1 Communication range is too short The communication distance will be affected when obstacle exists Data lose rate will be affected by temperature humidity and co channel interference The ground will absorb and reflect wireless radio wave so the ...

Страница 21: ...uality are poor or too long so the bit error rate is high 11 Production guidance 11 1 Reflow soldering temperature Profile Feature Sn Pb Assembly Pb Free Assembly Solder Paste Sn63 Pb37 Sn96 5 Ag3 Cu0 5 Preheat Temperature min Tsmin 100 150 Preheat temperature max Tsmax 150 200 Preheat Time Tsmin to Tsmax ts 60 120 sec 60 120 sec Average ramp up rate Tsmax to Tp 3 second max 3 second max Liquidous...

Страница 22: ... we recommend some antennas for wireless modules with excellent performance and reasonable price Model No Core IC Frequency Hz Tx power dBm Distance km Package Interface E220 400T22S LLCC68 433 470M 22 5 SMD TTL Model No Type Frequency Hz Interface Gain dBi Height mm Feeder cm Features TX230 JK 11 Rubber Antenna 230M SMA J 2 5 110 Bendable rubber omnidirectional antenna TX230 JK 20 Rubber Antenna ...

Страница 23: ...2018 Chengdu Ebyte Electronic Technology Co Ltd 22 14 Package for batch order Revision history Version Date Description Issued by 1 0 2020 07 08 Initial version Ken 1 1 2020 12 10 Bugfix Linson Antenna TX230 XPH 300 Suction Antenna 230M SMA J 5 5 745 300 Big suction antenna high gain ...

Страница 24: ... 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 Web www ebyte com Address Building B5 Mould Industrial Park 199 Xiqu Ave High tech Zone Chengdu 611731 Sichuan China ...

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