Ebyte E30-433T20S, User Manual

Page 1: ...E30 433T20S User Manual SI4438 433MHz 100mW SMD Wireless Module ...

Page 2: ... wireless transmitting 8 5 6 3 Configuration procedure of module 9 5 6 4 Notes for AUX 9 6 OPERATING MODE 10 6 1 MODE SWITCH 10 6 2 NORMAL MODE MODE 0 11 6 3 WAKE UP MODE MODE 1 11 6 4 POWER SAVING MODE MODE 2 11 6 5 SLEEP MODE MODE 3 12 7 COMMAND FORMAT 12 7 1 DEFAULT PARAMETERS 13 7 2 READING OPERATING PARAMETERS 13 7 3 READING VERSION NUMBER 13 7 4 RESET COMMAND 13 7 5 PARAMETER SETTING COMMAND...

Page 3: ...yte Electronic Technology Co Ltd E30 433T20S user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 2 12 ANTENNA RECOMMENDATION 19 13 PACKAGE FOR BATCH ORDER 20 REVISION HISTORY 21 ABOUT US 21 ...

Page 4: ...n range are improved correspondingly But without FEC those data packets can only be dropped E30 433T20S strictly follows design standards of FCC CE CCC and meets various RF certification requirements for exporting 1 2 Features Communication distance tested is up to 2 5km Maximum transmission power of 100mW software multi level adjustable Support the global license free ISM 433MHz band Support air ...

Page 5: ...t may be at risk of burning down Operating temperature 40 85 Industrial design Operating frequency MHz 425 450 5 Support ISM band Power consumption Transmitting current mA 89 Instant power consumption Receiving current mA 16 Turn off current μA 4 Software is shut down Max Tx power dBm 19 4 20 0 20 5 Receiving sensitivity dBm 120 121 122 Air data rate is 1 0kbps Air data rate bps 1k 5k 25k Controll...

Page 6: ...n 1 M0 Input Weak pull up Work with M1 to decide 4 working modes of module not suspended if not used could be grounded 2 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 configured as open drain or pull up input 4 TXD Output TTL UART outputs connects to ex...

Page 7: ...elf check initialization the pin outputs low level Can be configured as push pull output suspending is allowed 6 VCC Input Power supply 2 3 5 5V DC 7 GND Input Ground 8 ANT Input Antenna interface high frequency signal output 9 Fixed orifice Fixed orifice 10 Fixed orifice Fixed orifice 11 Fixed orifice Fixed orifice 4 Connect to MCU No Description STM8L MCU 1 The UART module is TTL level 2 For som...

Page 8: ...er 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 address of module A as 0xFFFF or 0x0000 and the channel as 0x04 ...

Page 9: ...cess 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 the start of module s normal work 5 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 d...

Page 10: ...of module Only happened when power on resetting or exiting sleep mode 5 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 t...

Page 11: ... serial data that are yet to finish wireless transmitting it will start to work in new mode after the UART transmitting finished After the module receives the wireless data transmits the data through serial port it will 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 ...

Page 12: ...t this time it means that the last wireless data package transmission is started which enables the user to input another 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 Receiving The wireless receiving function of the module is on the data packet transmitted from the module working in mode 0 mode 1 can ...

Page 13: ...be 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 from stand by mode to others the module will reset its parameters during which the AUX keeps low level and then outputs high level after reset completed It is recommended to check the AUX rising edge ...

Page 14: ... version number for example C3 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 170MHz xx is the version number and yy refers to the other module features 7 4 Reset command Instruction format Description C4 C4 C4 In sleep mode M0 1 M1 1 User gives the...

Page 15: ... 1 1 9600 default 1 0 0 19200 1 0 1 38400 1 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 keep the same for both communication parties 0 0 0 1k 0 0 1 2k 0 1 0 5k default 0 1 1 8k 1 0 0 10k 1 0 1 15k 1 1 0 20k 1 1 1 25k 4 CHAN 7 6 5 reserved Writ...

Page 16: ...rom transmitter 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 transmission rate increases while anti interference ability decreases Also the transmission distance is relatively short Both communication parties must keep on the same pages about turn on ...

Page 17: ...e Bottom Layer Assuming the module is soldered 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 that there are devices with large electromagnetic interference around the module that will greatly affect the performance It is recommended to keep them away fr...

Page 18: ... stability of power source the voltage cannot fluctuate too much Please make sure antistatic measure 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 using modules under too high or too low temperature 9 3 BER Bit Error Rate is high There is co channel si...

Page 19: ...0S SI4463 780M 20 2 5 1k 25k SMD 17 30 IPEX External Spring E30 868T20D SI4463 868M 20 2 5 1k 25k DIP 21 36 SMA K E30 868T20S SI4463 868M 20 2 5 1k 25k SMD 17 30 IPEX External Spring E30 170T27D SI4463 170M 27 5 1k 25k DIP 24 43 SMA K E30 170T20D SI4463 170M 20 2 1k 25k DIP 21 36 SMA K E30 915T20S SI4463 915M 20 2 5 1k 25k SMD 17 30 IPEX External Spring E30 915T20D SI4463 915M 20 2 5 1k 25k DIP 21...

Page 20: ...433M SMA J 2 43 8 9 5mm Built in flexible FPC soft 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 Suck...

Page 21: ...Chengdu Ebyte Electronic Technology Co Ltd E30 433T20S user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 20 13 Package for batch order ...

Page 22: ...ersion 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 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 ...