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Chengdu Ebyte Electronic Technology Co.,Ltd.

E34-DTU (2G4H27) user manual

Copyright ©2012–2019

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Chengdu Ebyte Electronic Technology Co,;Ltd

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Summary of Contents for 2G4H27

Page 1: ...E34 DTU 2G4H27 ...

Page 2: ...S232 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 8 5 4 Transmit power level 9 5 5 Current parameters 9 5 6 Transceiver Length and Sub packing Mode 9 6 Operating mode 9 7 Connection diagram when programming 10 7 1 diagrammatic drawing 10 7 2 Parameter setting instr...

Page 3: ...ce ability Even if some frequency points are interfered it can still carry out normal communication on other frequency points that are not interfered and it has been mass produced and widely used in related industries 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 500mW all technical ...

Page 4: ...s 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 achieved ...

Page 5: ...n the mode switch first before link DTU with computer if the user want to modify parameters Firing up E34 DTU 数传电台配置软件 E34 DTU parameter configuration application to modify related parameters The mode switch must be reopened to achieve transmission after the configuration Mode 0 Default Mode 3 Parameter setting 3 Installation Specifications 3 1 Structure ...

Page 6: ...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 7: ...Chengdu Ebyte Electronic Technology Co Ltd E34 DTU 2G4H27 user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 6 3 2 Dimension Unit mm ...

Page 8: ...r supply but it is recommended to use 12V or 24V DC power supply 4 2 RS232 Interface definition The E34 DTU can be connected to the device via RS 232 using the standard DB 9 interface 4 3 RS485 Interface definition E34 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...

Page 9: ...et loss retransmission Suitable for open environment with few 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 Specification Description 1 Size H W D 82 62 25mm See more at 3 2 Dimension 2 Weight 141g Tolerance 4 5g ...

Page 10: ...Transmitting current mA Standby current mA 12V 24V 12V 24V E34 DTU 2G4H27 210 153 20 5 28 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 work steadily for a long time 5 6 Transceiver Length and Sub packing Mode Model Buffer Sub package E34 DTU 2G4H27 256Byte Automatic subcontracting of 27 bytes to send Not...

Page 11: ...ke 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 can not be transmitted Mode 3 Sleep Mode OFF OFF Parameter setting using the configuration software Note no need to care about the wake up mode mode 1 and power saving mode mode 2 if it doesn t request low power consumption 7 Connection ...

Page 12: ...ration 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 If there s no complicated programming opening the E34 DTU 数传电台配置软件 E34 DTU parameter configuration application to modify parameters 7 2 Parameter setting instruction Parameter Description Baud rate The serial port baud rate of a wireless data station at...

Page 13: ...ty by about 3dBm Turning off this function can reduce the communication delay Transmission mode Transparent transmission and send as received fixed points broadcasting is not supported Wake Up Time There is no direct relationship with the communication delay If the customer needs low power applications this option shall be adjusted as required to ensure the communication stability This parameter i...

Page 14: ...retransmission 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 Monitoring air defense a...

Page 15: ...ond the transceiver environmental characteristics such as high temperature humidity low temperature strong electromagnetic fields or dust larger environment 6 Please do not continuously keep transceiver to transmit in full capacity or the transmitter might be damaged 7 Please connect the ground with the external ground of the power supply such as PC PLC etc otherwise it is easy to burn out the com...

Page 16: ...ducts continuously improving this manual may subject to change without notice please refer to the latest version 3 Everyone is responsible for protecting the environment to reduce the use of paper we only provide electronic documents of the English manual if necessary please go to our official website to download In addition for special requirements we agree to offer certain amount of documents ac...

Page 17: ... 1 00 2018 10 15 Initial version huaa 1 10 2019 4 2 Model No split molly 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 BuildingB5 MouldIndustrialPark 199 XiquAvenue Chengdu Sichuan ...

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