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Chengdu Ebyte Electronic Technology Co.,Ltd.

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Содержание E49-400T20S

Страница 1: ...E49 400T20S User Manuel 433MHz SMD Wireless Module ...

Страница 2: ...DEFINITION 6 4 RECOMMENDED WIRING DIAGRAM 7 5 FUNCTION DESCRIPTION 8 5 1 MODULE RESET 8 5 2 AUX DETAILED EXPLANATION 8 5 2 1 Wireless receiving indication 8 5 2 2 Wireless transmission indication 8 5 2 3 Reset and exit sleep mode 9 5 2 4 AUX Precautions 9 5 2 5 Detailed explanation of fixed point mode 9 5 2 6 Broadcast transmission 10 5 2 7 Broadcast address 10 5 2 8 Monitor Address 11 ...

Страница 3: ...T COMMUNICATION TEST 14 7 COMMAND FORMAT 16 7 1 DEFAULT PARAMETERS 16 7 2 READING OPERATING PARAMETER 16 7 3 READING VERSION NUMBER READING 16 7 4 PARAMETER SETTING INSTRUCTION 17 8 HARDWARE DESIGN 19 9 1 COMMUNICATION RANGE IS TOO SHORT 20 9 2 MODULE IS EASY TO DAMAGE 20 9 3 BER BIT ERROR RATE IS HIGH 20 10 WELDING OPERATION GUIDANCE 21 10 1 REFLOW SOLDERING TEMPERATURE 21 10 2 REFLOW SOLDERING C...

Страница 4: ...Chengdu Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 3 12 ANTENNA GUIDE 23 12 1 ANTENNA RECOMMENDATION 23 13 BATCH PACKAGING 24 REVISION HISTORY 24 ABOUT US 25 ...

Страница 5: ...s random Through strict encryption and decryption algorithms the data interception is meaningless the probability of interference is reduced and the reliability and transmission efficiency are improved Besides it is a low cost wireless serial transceiver module 1 2 Features The measured communication distance can reach 1km Maximum transmit power is 100mW software can be adjusted in multiple stages...

Страница 6: ...g temperature 40 80 Industrial design Operating frequency MHz 410 433 510 Support ISM band Power consumption TX current mA 91 Instant power consumption RX current mA 12 Sleep current μA 0 7 Software is shut down Max Tx power dBm 20 0 Receiving sensitivity dBm 116 118 119 Air data rate is1 2kbps Air data rate bps 1 2k 2 4k 200k Controlled via user s programming Main parameter Description Remark Dis...

Страница 7: ...Input pull up when it s weak Cooperate with M0 to determine 4 operating modes of the module can be lifted floating the module contains pull up resistor 7 RXD Input TTL serial input connect to external TXD output pin 8 TXD Output TTL serial input connect to external RXD output pin 9 AUX Output Used to indicate the working status of the module the user wakes up the external MCU and outputs a low lev...

Страница 8: ... wire 4 Recommended wiring diagram No Brief introduction of connection between the module and the single chip microcomputer the above picture uses STM8L single chip microcomputer as an example 1 The wireless serial port module is TTL level please connect with MCU with TTL level 2 Some 5V microcontrollers may require 4 10K pull up resistors on the TXD and AUX pins of the module ...

Страница 9: ...iled explanation AUX is used for wireless sending and receiving buffer indication and self inspection indication It indicates whether the data of the module that has not been transmitted through the wireless or whether it has received wireless data that has not been transmitted through the serial port or the module is in the process of initial self test 5 2 1 Wireless receiving indication After re...

Страница 10: ...t AUX outputs a low level when all low level conditions are not met AUX outputs a high level When the AUX output is low it indicates that the module is busy and the operating mode detection will not be performed when the AUX output is high the mode switching will be completed When the user enters other modes from mode 3 sleep mode or during the reset process the module will reset the user paramete...

Страница 11: ...st transmission 5 2 7 Broadcast address Example Set the address of module A to 0xFFFF and the channel to 0x04 When module A is used for transmission same mode transparent transmission mode all receiving module under the 0x04 channel can receive data to achieve the purpose of broadcasting ...

Страница 12: ...ectronic Technology Co Ltd 11 5 2 8 Monitor Address Example Set the address of module A to 0xFFFF and the channel to 0x04 When module A is used as a receiver it can receive all the data under the 0x04 channel to achieve the purpose of monitoring ...

Страница 13: ...rough the serial port it needs to finish sending before entering the new operating mode if the module so the mode switching can only be effective when AUX outputs 1 otherwise the switch will be delayed For example In mode 0 the user continuously inputs a large amount of data and switches the mode at the same time The mode switching operation is invalid at this time the module will process all the ...

Страница 14: ...nds all data via wireless When the module receives the first user data AUX outputs low level When the module puts all data into the RF chip and starts transmitting AUX outputs high level At this point it indicates that the last packet of wireless data has been transmitted and the user can continue to enter data Data packets sent through mode 0 can only be received by the receiving module in mode 0...

Страница 15: ...tect the rising edge of AUX 6 5 Sleep Mode Mode3 Type When M0 1 M1 1 module working in module3 transmi ssion Unable to transmit wireless data receivi ng Unable to receive wireless data others When the module is in the ultra low power state all other functions of are turned off and the sleep mode can only be exited through the state switch of M1M0 6 6 Fast communication test Step Specific operation...

Страница 16: ...Chengdu Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 15 ...

Страница 17: ...r Send C2 5 bytes working parameter in hexadecimal format a total of 6 bytes and must be sent continuously do not save when power off 4 C3 C3 C3 Send three C3s in hexadecimal format The module returns version information and must be sent continuously 7 1 Default parameters Model Factory default parameter value C0 00 00 19 2E 00 Module type Frequency Address Channel Air rate Baud rate Transmitting ...

Страница 18: ...st be 0xC0 or 0xC2 C0 Save the parameters when power down C2 Do not save the parameters when power down 1 ADDH High address byte of module the default 00H 00H FFH 2 ADDL Low address byte of module the default 00H 00H FFH 3 SPED Rate parameters including serial rate and air rate 7 6 Serial parity bit 00 8N1 default 01 8O1 10 8E1 11 8N1 5 4 3 TTL serial speed bps 000 Serial baud rate is 1200 001 The...

Страница 19: ... 5 OPTION 7 Fixed transmission enabling bit similar to MODBUS 0 Transparent transmission mode 1 Fixed transmission mode 6 5 4 3 2 Reserved bit write 0 1 0 Transmission power approximation 00 20 dBm default 01 17 dBm 10 14 dBm 11 10 dBm In fixed transmission mode the first three bytes of each user s data frame can be used as high low address and channel The module changes its address and channel wh...

Страница 20: ...p Layer of the module contact part well grounded it must be close to the digital part of the module and routed in the 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 electromag...

Страница 21: ...ta 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 module 9 2 Module is easy to damage Please check the power supply to ensure that it is between the recommended power supply voltage I...

Страница 22: ...eat Temperature min Tsmin Minimum preheating temperature 100 150 Preheat temperature max Tsmax Maximum preheating temperature 150 200 Preheat Time Tsmin to Tsmax ts Preheating time 60 120 sec 60 120 sec Average ramp up rate Tsmax to Tp Average rising rate 3 second max 3 second max Liquidous Temperature TL Liquid phase temperature 183 217 Time tL Maintained Above TL Time above liquidus 60 90 sec 30...

Страница 23: ...te Electronic Technology Co Ltd 22 10 2 Reflow Soldering Curve 11 Related Model Model Chip Frequen cy Hz Trans mit power dBm Test distanc e km Air rate bps Packaging Size mm Antenna E49 400T20S 433M 20 1 1 2k 200 k SMD 26 16 IPEX stamp hole ...

Страница 24: ...ectional antenna TX433 JWG 7 Glue stick antenna 433M SMA J 2 5 75mm Bendable glue stick omnidirectional antenna TX433 JK 20 Glue stick antenna 433M SMA J 3 210mm Bendable glue stick omnidirectional antenna TX433 JK 11 Glue stick antenna 433M SMA J 2 5 110mm Bendable glue stick omnidirectional antenna TX433 XP 200 Sucker antenna 433M SMA J 4 19cm 200cm Sucker antenna high gain TX433 XP 100 Sucker a...

Страница 25: ... Electronic Technology Co Ltd 24 antenna TX490 JZ 5 Glue stick antenna 490M SMA J 50 50mm Ultra short straight omnidirectional antenna 13 Batch packaging Revision history Version Date Description Issued by V1 1 2019 11 28 Format adjustment Ren ...

Страница 26: ... Ebyte Electronic Technology Co Ltd 25 About us Sales hotline 4000 330 990 Tel 028 61399028 Support support cdebyte com Website www ebyte com Address Innovation Center B333 D347 4 XI XIN road High tech district west Chengdu Sichuan China ...

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