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E90-DTU (433L37)

Summary of Contents for 433C33

Page 1: ...E90 DTU 433L37 ...

Page 2: ...inition 8 4 2 RS232 Interface definition 8 4 3 RS485 Interface definition 8 5 Technical indicators 9 5 1 Model specifications 9 5 2 Frequency range and channels 10 5 3 Air data rate 10 5 4 Current parameters 10 5 5 Transceiver Length and Sub packing Mode 10 6 Operating Mode 11 7 Connection diagram when programming 12 7 1 Diagrammatic drawing 12 7 2 Parameter setting instruction 13 8 Connection dia...

Page 3: ...real time and reliable data transmission low cost easy installation and maintenance diffraction capability is strong flexible network structure the coverage is far characteristic suitable for some more and occasions such as dispersion and complex geographical environment with PLC RTU rain gauge level gauge and other data terminal is connected 1 2 Certificate E90 DTU has obtained the radio transmis...

Page 4: ...range 40 85 applicable for various harsh environment it is real industrial grade products All aluminum alloy shell compact size easy installation good heat dissipation Perfect shielding design good electromagnetic compatibility strong anti interference ability Power reverse connection protection over connection protection antenna surge protection and other multiple protection functions greatly inc...

Page 5: ...al Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 4 2 Using USB RS232 converter or USB RS 485 converter or other way to link computer and DTU 3 Firing up two XCOMs choosing Baud rate 9600bps 8N1 the setting which serial port transmission can be achieved ...

Page 6: ... open the mode switch first before link DTU with computer if the user wants to modify parameters Firing up E90 DTU 数 传 电 台 配 置 软 件 E90 DTU parameter configuration application to modify related parameters The mode switch must be reopened to achieve transmission after the configuration 模式 0 出厂默认状态 模式 2 进行参数配置 3 Installation Specification 3 1 Structure ...

Page 7: ...power interface Standard RS 485 interface and pressure line power interface 3 PWR LED Power LED Red lit when the power is on 4 TXD LED Transmit LED Yellow blinks when sending data 5 RXD LED Receive LED Yellow blinks when receiving data 6 DC power interface Power interface In line round hole outer diameter 5 5mm diameter 2 5mm 7 DIP switch DIP switch Controlled by working mode 8 Antenna interface S...

Page 8: ...Chengdu Ebyte Electronic Technology Co Ltd E90 DTU 433L37 user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 7 3 2 Dimension 单位 mm ...

Page 9: ...pply but it is recommended to use 12V or 24V DC power supply 4 2 RS232 Interface definition The E90 DTU can be connected to the device via RS 232 using the standard DB 9 interface 4 3 RS485 Interface definition E90 DTU can connect the 485_A terminal and 485_B terminal with the device RS 485 A terminal and B terminal Pin NO Definition Function Description 1 VCC Crimping power interface positive 10 ...

Page 10: ... LoRa spread spectrum 20km long range anti interference It is suitable for the application environment with small amount of data and long distance Note Test condition in clear and open air without shelters 12V 2A power supply 5dBi gain sucker antenna over 2 meters height from the ground with the factory default parameters NO Model Specification Description 1 Size H W D 124 105 25 mm See more at 3 ...

Page 11: ... transmission rate the transmission distance is also closer when the rate meets the requirements the lower air data rate the better quality 5 4 Current parameters Model Transmitting current mA Standby current mA 12V 24V 12V 24V E90 DTU 433L37 1138 558 50 27 Note It is recommended to retain more than 50 of the current margin when selecting the power supply which will help the data transceiver to wo...

Page 12: ... factory default is normal mode mode 0 Categories M1 M0 Description Mode 0 Normal Mode ON ON Open UART and RF transparent transmission is on Mode 1 Wake up Mode ON OFF Air wake up mode the packet comes with a wake up code Mode 2 Power saving Mode OFF ON The air wake up receive mode saving receive power the mode cannot be transmitted Mode 3 Sleep Mode OFF OFF Parameter setting using the configurati...

Page 13: ... Technology Co Ltd 12 7 Connection diagram when programming 7 1 Diagrammatic drawing Mode M1 M0 Description Mode 3 Command mode Off Off Only be programmed using the configuration software in the current mode Note 1 programming can only be carried on in a specific mode see above if fails please confirm the work mode ...

Page 14: ...rder to ensure the working efficiency it is recommended to use the maximum power If the transmitted power is reduced the communication distance will become shorter and the required current will be reduced FEC The lost or interfered data can be partially corrected by complex encoding which can improve the equivalent receiving sensitivity by about 3dBm Turning off this function can reduce the commun...

Page 15: ...channels cannot communicate with each other If there are multiple groups of wireless data stations in the same area the communication frequency interval is suggested to be 2 5MHz Cipher function Only stations with the same ciphertext can communicate and the secondary ciphertext can only be written but cannot be read Cipher text set Radio ciphertext input range 0 65535 decimal number 8 Connection d...

Page 16: ...lex environment E90 DTU 230N37 RS232 RS485 230M 37 15 Low frequency narrow band suitable for complex environment super diffraction 10 Practical application The data transceiver of CDEBYTE is applied for all kinds of point to point one point to multiple points wireless data transmission system such as smart home Internet of things transformation power load monitoring distribution network automation...

Page 17: ...er supply such as PC PLC etc otherwise it is easy to burn out the communication interface do not plug the interface with power supplying 8 When testing please connect the antenna or 50 Ω load otherwise transceiver will be damaged easily the distance from the antenna is better than 2 meters so as to avoid harm please do not touch the antenna when transmitting 9 Wireless data transceiver has differe...

Page 18: ...y 1 20 2019 04 12 initial version Molly 1 30 2019 12 21 Size chart Linson 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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