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Chengdu Ebyte Electronic Technology Co.,Ltd.

E32-DTU (900L30)-V8_User Manual_EN

Copyright ©2012–2022

，

Chengdu Ebyte Electronic Technology Co.,Ltd

5

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

SMA-K interface

external thread, 10mm, 50Ωcharacteristic

impedance

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Содержание E32-DTU(900L300)-V8

Страница 1: ...E32 DTU 900L30 V8 ...

Страница 2: ...rface 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 Parameter setting instruction ...

Страница 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...

Страница 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...

Страница 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 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 ...

Страница 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 ...

Страница 7: ...nic Technology Co Ltd 4 3 Installation 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 ...

Страница 8: ...5 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 SMA K interface external thread 10mm 50Ωcharacteristic impedance ...

Страница 9: ...Chengdu Ebyte Electronic Technology Co Ltd E32 DTU 900L30 V8_User Manual_EN Copyright 2012 2022 Chengdu Ebyte Electronic Technology Co Ltd 6 3 2 Dimension Unit mm ...

Страница 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...

Страница 11: ...nce Specifications Application Hz W km E32 DTU 900L30 V8 868 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...

Страница 12: ...e 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 E32 DTU 900L30 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 i...

Страница 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...

Страница 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 ...

Страница 15: ...rove the equivalent receiving sensitivity by about 3dBm Turning this feature off can reduce communication delays TX method Transparent transmission Fixed point send data to fixed point in Hex format Wake up time It is not directly related to the communication delay If customers need low power applications they need to adjust this option as required In the power saving mode the longer the wake up t...

Страница 16: ...2 930M 20 3 LoRa spread spectrum long distance anti interference E32 DTU 433L30 V8 RS232 RS485 410 441M 30 8 LoRa spread spectrum long distance anti interference E32 DTU 433L20 V8 RS232 RS485 410 441M 20 3 LoRa spread spectrum long distance anti interference E90 DTU 433L37 V8 RS232 RS485 410 441M 37 20 LoRa spread spectrum long distance anti interference E90 DTU 433L20 V8 RS232 RS485 410 441M 20 3...

Страница 17: ...trum long distance anti interference 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 hydrological and hydrological forecasting water pipe network monitoring urban street lamps Mo...

Страница 18: ...y be in full load transmitting state otherwise the transmitter may be burnt out 7 The ground wire of the DTU should be well connected with the ground wire of the external equipment such as PC PLC etc and the ground wire of the power supply otherwise the communication interface will be burnt easily do not plug or unplug the serial port with power on 8 When testing a DTU you must connect a matching ...

Страница 19: ...n Issued by V1 0 2022 06 06 Initial version LC 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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