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Ebyte E90-DTU-433L33-V8, User Manual, Page: 19 / 19

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Ebyte E90-DTU-433L33-V8 User Manual Download Page 19

Chengdu Ebyte Electronic Technology Co.,Ltd.

E90-DTU (433L33)-V8_User Manual_EN

Copyright ©2012–2022

，

Chengdu Ebyte Electronic Technology Co.,Ltd

16

Revision history

Version

Date

Description

Issued by

V1.0

2022/08/17

Initial version

XXN

About us

Technical support: [email protected]
Documents and RF Setting download link: www.ebyte.com
Thank you for using Ebyte products! Please contact us with any questions or suggestions: [email protected]
-------------------------------------------------------------------------------------------------
Fax: 028-64146160
Web: www.ebyte.com
Address:BuildingB5,MouldIndustrialPark,199#XiquAve,WestHigh-techZone,Chengdu,611731,Sichuan,China

Summary of Contents for E90-DTU-433L33-V8

Page 1: ...E90 DTU 433L33 V8 ...

Page 2: ...e definition 7 4 2 RS232 Interface definition 7 4 3 RS485 Interface definition 7 5 Technical indicators 8 5 1 Model specifications 8 5 2 General specification parameters 8 5 3 Frequency range and channels 9 5 4 Transmit power level 9 5 5 Air data rate 9 5 6 Current parameters 9 5 7 Transceiver Length and Sub packing Mode 10 6 Operating mode 10 7 Program the DTU 11 7 1 diagrammatic drawing 11 7 2 P...

Page 3: ...eproduction use modification or disclosure to third parties of this document or any part thereof without the express permission of EBYTE is strictly prohibited The information contained herein is provided as is and EBYTE assumes no liability for the use of the information No warranty either express or implied is given including but not limited with respect to the accuracy correctness reliability a...

Page 4: ...mission time which in turn reduces the possibility of being interfered thus improves the reliability and communication efficiency 1 2 Features All core components are originally imported our transceiver modems have much advanced functions with smaller size and lower cost The top TX power is 100mW all technical parameters meet European industrial standards Temperature compensators are adopted to ma...

Page 5: ...arts 1 First step is to mount antenna then battery making sure the dial switch is on its right status User gets on the power by choosing either VCC GND or power adapter 2 Using USB RS232 converter or USB RS485 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 ...

Page 6: ...ngdu Ebyte Electronic Technology Co Ltd 3 achieved 4 User needs to open the mode switch first before link DTU with computer if the user want to modify parameters Firing up to configuration Tool modify related parameters The mode switch must be reopened to achieve transmission after the configuration ...

Page 7: ...nstallation Specifications 3 1 Structure Pin NO Name Function Description 1 DB 9 female socket RS 232 interface Standard RS 232 interface 2 3 81 terminal block RS 485 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 ...

Page 8: ...lectronic Technology Co Ltd 5 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 SMA K interface external thread 10mm 50Ωcharacteristic impedance ...

Page 9: ...Chengdu Ebyte Electronic Technology Co Ltd E90 DTU 433L33 V8_User Manual_EN Copyright 2012 2022 Chengdu Ebyte Electronic Technology Co Ltd 6 3 2 Dimension Unit mm ...

Page 10: ...of the power supply is OK DTU can use 8 28V DC power supply but it is recommended to use 12V or 24V DC power supply 4 2 RS232 Interface definition The DTU can be connected to the device via RS 232 using the standard DB 9 interface 4 3 RS485 Interface definition 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 Descript...

Page 11: ...nce Specifications Application Hz W km E90 DTU 433L33 V8 433 0 1 3 Strong penetration anti interference To the environment with small data long distance many obstacles 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 5 2 General specification parameters NO Model Specifica...

Page 12: ...lower the transmit power the closer the transmission distance but the working current won t be declined in exact proportion it is recommended to use the maximum transmit power 5 5 Air data rate Model Default air data rate Levels Air data rate bps bps bps E90 DTU 433L33 V8 2 4 6 0 3 1 2 2 4 4 8 9 6 19 2 Note The higher the air data rate the faster the transmission rate the transmission distance is ...

Page 13: ...y 6 Operating mode DTU has four operating modes if low power consumption is not required normal communication is recommended to configure the data transceiver for the normal mode mode 0 The 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 wa...

Page 14: ...d 11 7 Program the DTU 7 1 diagrammatic drawing Mode M1 M0 Description Mode 3 Sleep 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 2 Open the configuration tool to configure the digital radio ...

Page 15: ...the same area it is recommended that the communication frequency be separated by 2 5MHz TX power The output power is the power radiated to the outside In order to ensure the working efficiency it is recommended to use the maximum power If the transmit power is reduced the communication distance will be shortened and the current consumed will be reduced DTU address The internal address of the DTU h...

Page 16: ...RS485 410 441M 20 3 LoRa spread spectrum long distance anti interference E95 DTU 433L30 485 V8 RS485 410 441M 30 8 LoRa spread spectrum long distance anti interference E96 DTU 433L20 485 V8 RS485 410 441M 20 3 LoRa spread spectrum long distance anti interference E96 DTU 433L30 485 V8 RS485 410 441M 30 8 LoRa spread spectrum long distance anti interference E800 DTU 400SL20 485 V8 RS485 410 441M 20 ...

Page 17: ... interference small ripple and sufficient load capacity preferably it should also have over current over voltage protection and lightning protection functions to ensure that the DTU is normal jobs 5 Do not use it in a working environment that exceeds the environmental characteristics of the DTU such as high temperature humidity low temperature strong electromagnetic field or dusty environment 6 Do...

Page 18: ... measured communication distance is not ideal it is recommended to analyze and improve the communication distance from the antenna quality and antenna installation method You can also contact support cdebyte com for help 11 When selecting the power supply in addition to keeping 50 of the current margin as recommended it should also be noted that its ripple must not exceed 100mV 12 Wireless communi...

Page 19: ...n Issued by V1 0 2022 08 17 Initial version XXN 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 Web www ebyte com Address BuildingB5 MouldIndustrialPark 199 XiquAve WestHigh techZone Chengdu 611731 Sichuan China ...

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