Ebyte E31-433T30S User Manual Download Page 18

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Chengdu Ebyte Electronic Technology Co., Ltd.

E31-433T30S User Manuel

，

Chengdu Ebyte Electronic Technology Co.,Ltd.

11 E31 Series

Model No.

Core IC

Frequency

Tx power

dBm

Distance

Package

Size

Antenna

Model No.

E31-230T33D

AX5243

230M

1.2k~70k

DIP

37 * 60

SMA-K

E31-230T27D

AX5243

230M

1.2k~70k

DIP

24 * 43

SMA-K

E31-230T17D

AX5243

230M

1.2k~70k

DIP

21 * 36

SMA-K

E31-433T33D

AX5243

433M

1.2k~70k

DIP

37 * 60

SMA-K

E31-433T30D

AX5243

433M

1.2k~70k

DIP

24 * 43

SMA-K

E31-433T27D

AX5243

433M

1.2k~70k

DIP

24 * 43

SMA-K

E31-433T17D

AX5243

433M

2.1

1.2k~70k

DIP

21 * 36

SMA-K

E31-433T17S

AX5243

433M

1.2k~70k

SMD

17 * 30

Stamp hole+IPEX

E31-433T17S3

AX5243

433M

1.2k~70k

SMD

16 * 26

Stamp hole+IPEX

E31-433T30S

AX5243

433M

8.6

1.2k~70k

SMD

40.5*25

Stamp hole+IPEX

12 Antenna recommendation

The antenna is an important role in the communication process. A good antenna can largely improve the

communication system. Therefore, we recommend some antennas for wireless modules with excellent performance and
reasonable price.

Model No.

Type

Frequency

Interfac

Gain

dBi

Height

Cable

Function feature

TX433-NP-4310

Flexible PCB

antenna

433M

SMA-J

43.8*9.5mm

Built-in flexible, FPC soft antenna

TX433-JW-5

Rubber antenna

433M

SMA-J

50mm

Flexible &omnidirectional

TX433-JWG-7

Rubber antenna

433M

SMA-J

2.5

75mm

Flexible &omnidirectional

TX433-JK-20

Rubber antenna

433M

SMA-J

210mm

Flexible &omnidirectional

TX433-JK-11

Rubber antenna

433M

SMA-J

2.5

110mm

Flexible &omnidirectional

TX433-XP-200

Sucker antenna

433M

SMA-J

19cm

200cm

Sucker antenna, High gain

TX433-XP-100

Sucker antenna

433M

SMA-J

3.5

18.5cm

100cm

Sucker antenna, High gain

TX433-XPH-300

Sucker antenna

433M

SMA-J

96.5cm

300cm

Sucker antenna, High gain

TX433-JZG-6

Rubber antenna

433M

SMA-J

2.5

52mm

Short straight &omnidirectional

TX433-JZ-5

Rubber antenna

433M

SMA-J

52mm

Short straight &omnidirectional

Summary of Contents for E31-433T30S

Page 1: ...E31 433T30S User Manuel AX5243 433MHz 1W SMD Wireless Module ...

Page 2: ...E AND PIN DEFINITION 4 4 CONNECT TO MCU 5 5 FUNCTION DESCRIPTION 6 5 1 FIXED TRANSMISSION 6 5 2 BROADCASTING TRANSMISSION 6 5 3 BROADCASTING ADDRESS 7 5 4 MONITOR ADDRESS 7 5 5 RESET 7 5 6 AUX DESCRIPTION 7 5 6 1 Indication of UART output 7 5 6 2 Indication of wireless transmitting 8 5 6 3 Configuration procedure of module 8 5 6 4 Notes for AUX 8 6 OPERATING MODE 9 6 1 MODE SWITCHING 9 6 2 NORMAL ...

Page 3: ...ion has the probability of reducing the transmission time reducing the probability of interference improving reliability and transmission efficiency E31 433T30S strictly abides by FCC CE CCC and other domestic and foreign design specifications meets all RF related certifications and meets export requirements 1 2 Feature The tested communication range is 8 6km The maximum transmission power is 30dB...

Page 4: ...0 25 85 Industrial design Operating frequency MHz 425 433 450 5 Support ISM band Power consumpti on TX current mA 580 600 650 Instant power consumption RX current mA 22 22 22 Sleep current μA 2 2 2 Software is shut down Max Tx power dBm 29 8 30 30 8 Receiving sensitivity dBm 123 123 123 Air data rate is 1 2 kbps Air data rate bps 1 2k 1 2k 70k Controlled via user s programming Parameter Descriptio...

Page 5: ...puts connects to external MCU PC TXD output pin Can be configured as open drain or pull up input 4 TXD Input 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 external MCU During the procedure of self check initialization the pin outputs low level Can be configured as push pul...

Page 6: ...ft floating no connection required for later expansion 14 PD1 I O NC pin left floating no connection required for later expansion 15 GND Power Ground 16 GND Power Ground 17 GND Power Ground 18 ANT Output Antenna interface high frequency signal output 50Ω impedance 4 Connect to MCU No Description STM8L MCU 1 The UART module is TTL level Please connect to the TTL level MCU 2 Some 5V microcontrollers...

Page 7: ...ngdu Ebyte Electronic Technology Co Ltd E31 433T30S User Manuel Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 6 5 Function description 5 1 Fixed transmission 5 2 Broadcasting transmission ...

Page 8: ... 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 th...

Page 9: ...s sub package Note When AUX 1 it does not mean that all the UART data of the module have been transmitted already perhaps the last packet of data is still in transmission 5 6 3 Configuration procedure of module Only happened when power on resetting or exiting sleep mode 5 6 4 Notes for AUX For function 1 function 2 mentioned above the priority should be given to the one with low level output which...

Page 10: ...hed after the transmission is completed If the module receives the wireless data and transmits the data through the serial port it needs to finish transmission before switching the new working mode Therefore mode switching can only be valid when AUX output is 1 otherwise it will delay switching For example users continuously inputs a large amount of data and simultaneously performs mode switching ...

Page 11: ...ceiving the data packet AUX will output low level and after delaying for 5ms it will start to transmit wireless data through the serial port TXD pin After all wireless data is output through the serial port AUX will output high level 6 3 Wake up mode mode Mode 1 Type M0 1 M1 0 Transmitting The conditions for module start packet transmission and AUX function are the same as mode 0 the only differen...

Page 12: ... parameter is sent in hexadecimal format a total of 6 bytes and must be sent continuously power off saved automatically 2 C1 C1 C1 Three C1 are sent in hexadecimal format The module returns the saved parameters and must be sent continuously 3 C2 working parameters The C0 5 bytes working parameter is sent in hexadecimal format a total of 6 bytes and must be sent continuously power off not saved 4 C...

Page 13: ... to work normally At this time you can switch modes or send the next command 7 5 Parameter setting command No Item Description Remark 0 HEAD Fixed 0xC0 or 0xC2 indicates that this data is a control command Must be 0xC0 or 0xC2 C0 The parameters will be saved after power off C2 The parameters will not be saved after power off 1 ADDH Module address high byte default 00H 00H FFH 2 ADDL Module address...

Page 14: ...rive mode default 1 This bit is used to enable the internal pull up resistor of the module Open drain mode is more adaptable and in some cases an external pull up resistor may be required 1 TXD AUX push pull RXD pull up input 0 TXD AUX open output RXD open input 5 4 3 Wireless wake up time Both the receiving and transmitting modules work in mode 0 The delay time is invalid and can be any value The...

Page 15: ...for long term stable operation The module should be as far away as possible from the power supply transformers high frequency wiring and other parts with large electromagnetic interference High frequency digital routing high frequency analog routing and power routing must be avoided under the module If it is necessary to pass through the module assume that the module is soldered to the Top Layer a...

Page 16: ...ea The signal will be affected when the antenna is near metal object or put in a metal case Power register was set incorrectly air data rate is set as too high the higher the air data rate the shorter the distance The power supply low voltage under room temperature is lower than 2 5V the lower the voltage the lower the transmitting power Due to antenna quality or poor matching between antenna and ...

Page 17: ...heat temperature max Tsmax Mx preheating temp 150 200 Preheat Time Tsmin to Tsmax ts Preheating time 60 120 sec 60 120 sec Average ramp up rate Tsmax to Tp Average ramp up rate 3 second max 3 second max Liquidous Temperature TL Liquid phase temp 183 217 Time tL Maintained Above TL Time below liquid phase line 60 90 sec 30 90 sec Peak temperature Tp Peak temp 220 235 230 250 Average ramp down rate ...

Page 18: ... important role in the communication process A good antenna can largely improve the communication system Therefore we recommend some antennas for wireless modules with excellent performance and reasonable price Model No Type Frequency Hz Interfac e Gain dBi Height Cable Function feature TX433 NP 4310 Flexible PCB antenna 433M SMA J 2 43 8 9 5mm Built in flexible FPC soft antenna TX433 JW 5 Rubber ...

Page 20: ...Issued by 1 00 2018 10 24 Initial version huaa 1 10 2020 7 9 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 Sichuan China ...

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