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Chengdu Ebyte Electronic Technology Co,;Ltd

E30-490T20D user manual

Copyright ©2012–2019

，

Chengdu Ebyte Electronic Technology Co,;Ltd

1

CONTENT

1OVERVIEW.....................................................................................................................................

..............................................................................................................................................................

......................................................................................................................................................................

2 SPECIFICATION AND PARAMETER.........................................................................................

.........................................................................................................................................................

PERATING PARAMETER

................................................................................................................................................

3 SIZE AND PIN DEFINITION.........................................................................................................

4 CONNECT TO MCU........................................................................................................................

5 FUNCTION DESCRIPTION...........................................................................................................

IXED TRANSMISSION

....................................................................................................................................................

ROADCASTING TRANSMISSION

....................................................................................................................................

5.6.1 Indication of UART output.....................................................................................................................................

5.6.2 Indication of wireless transmitting........................................................................................................................

5.6.3 Configuration procedure of module.......................................................................................................................

5.6.4 Notes for AUX........................................................................................................................................................

6 OPERATING MODE.....................................................................................................................

.............................................................................................................................................................

0)...........................................................................................................................................

1)..........................................................................................................................................

2)..................................................................................................................................

3)................................................................................................................................................

7 COMMAND FORMAT..................................................................................................................

EFAULT PARAMETERS

...............................................................................................................................................

EADING OPERATING PARAMETERS

............................................................................................................................

EADING VERSION NUMBER

........................................................................................................................................

........................................................................................................................................................

ARAMETER SETTING COMMAND

................................................................................................................................

8. HARDWARE DESIGN.................................................................................................................

9 FAQ..................................................................................................................................................

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Содержание E30 Series

Страница 1: ...E30 490T20D User Manual SI4438 490MHz 100mW DIP Wireless Module...

Страница 2: ...FIXED TRANSMISSION 7 5 2 BROADCASTING TRANSMISSION 7 5 6 1 Indication of UART output 8 5 6 2 Indication of wireless transmitting 8 5 6 3 Configuration procedure of module 9 5 6 4 Notes for AUX 9 6 OP...

Страница 3: ...action They are applicable in the industrial and living environment like a plant or indoors The module features FEC Forward Error Correction algorithm which ensure its high coding efficiency good corr...

Страница 4: ...arameter 2 1 Limit parameter Main parameter Performance Notes Min Max Power supply V 0 5 2 Voltage over 5 2V will cause permanent damage to module Blocking power dBm 10 Chances of burn is slim when mo...

Страница 5: ...ing Main parameter Description Notes Distance for reference 2500m Test condition clear and open area antenna gain 5dBi antenna height 2 5m air data rate 1 0kbps TX length 58 Byte Maximum capacity of s...

Страница 6: ...M1 Input weak pull up Work with 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 configu...

Страница 7: ...d as push pull output suspending is allowed 6 VCC Input Power supply 2 3 5 5V DC 7 GND Input Ground 8 Fixed orifice Fixed orifice 9 Fixed orifice Fixed orifice 10 Fixed orifice Fixed orifice 4 Connect...

Страница 8: ...r manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 7 5 Function description 5 1 Fixed transmission 5 2 Broadcasting transmission 5 3 Broadcasting address For example Set the addre...

Страница 9: ...o 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 5 6 AUX description AUX Pin can be used as indication for w...

Страница 10: ...rity 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 le...

Страница 11: ...start to work in new mode after the transmitting finished Therefore the mode switch is only valid when AUX outputs 1 otherwise it will delay For example in mode 0 or mode 1 if the user inputs massive...

Страница 12: ...ther 512 bytes continuously The data package transmitted from the module working in mode 0 can only be received by the module working in mode 0 or 1 Receivi ng The wireless receiving function of the m...

Страница 13: ...e used for parameter setting It uses serial port 9600 8N1 to set module working parameters through specific instruction format pls refer to parameters setting for details Notes When the mode changes f...

Страница 14: ...32 xx yy the second bytes means frequency 32 here means the frequency is 433MHZ 38 means frequency is 470MHz 45 means frequency is 868MHz 44 means the frequency is 915 MHz 46 means the frequency is 17...

Страница 15: ...1 0 57600 1 1 1 115200 2 1 0 Air data rate bps The lower the air data rate the longer the transmitting distance better anti interference performance and longer transmitting time The air data rate must...

Страница 16: ...r that works in mode 1 can be received 0 0 0 250ms default 0 0 1 500ms 0 1 0 750ms 0 1 1 1000ms 1 0 0 1250ms 1 0 1 1500ms 1 1 0 1750ms 1 1 1 2000ms 2 FEC switch After turn off FEC the actual data tran...

Страница 17: ...red or placed over the Top Layer it is wrong to randomly route over the Bottom Layer or other layers which will affect the module s spurs and receiving sensitivity to varying degrees It is assumed tha...

Страница 18: ...re are taken when installing and using high frequency devices have electrostatic susceptibility Please ensure the humidity is within limited range some parts are sensitive to humidity Please avoid usi...

Страница 19: ...5 1k 25k DIP 21 36 SMA K E30 433T20S SI4438 433M 20 2 1k 25k SMD 17 30 IPEX External Spring E30 433T20D SI4438 433M 20 2 1k 25k DIP 21 36 SMA K 12 Antenna recommendation The antenna is an important r...

Страница 20: ...rsion huaa 1 20 2018 01 29 Type merging huaa 1 30 2018 10 17 New added type huaa 1 40 2020 7 10 Li About us Technical support support cdebyte com Documents and RF Setting download link www ebyte com T...

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