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Chengdu Ebyte Electronic Technology Co.,Ltd. E34-DTU (2G4H20) user manual

Copyright ©2012–2019

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Chengdu Ebyte Electronic Technology Co,;Ltd 6

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Summary of Contents for 2G4H20

Page 1: ...E34 DTU 2G4H20 ...

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: ...ill carry out normal communication on otherfrequency points that are not interfered and it has been mass produced and widely used in related industries E34 DTU 2G4H20 is Strictly abided by domestic and foreign design specifications such as FCC CE and CCC meet various rf related certification and meet export requirements 1 2 Features All core components are originally imported our transceiver modem...

Page 4: ...lectronic Technology Co Ltd 3 2 Operation Main parts 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 ...

Page 5: ... the setting which serial port transmission can be achieved 4 User needs to open 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 Mode0 Default Mode3 Parameter setting ...

Page 6: ...terminal block RS 485 power interface Standard RS 485 interface and pressureline 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 ...

Page 7: ...Chengdu Ebyte Electronic Technology Co Ltd E34 DTU 2G4H20 user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 6 3 2 Dimension Unit mm ...

Page 8: ...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 10 28V DC recommended 12V or 24V 2 GND Crimping pow...

Page 9: ...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 131g Tolerance 4 5g 3 Temperature 40 85 Meet industrial level 4 Antenna impedance 50 Ω Standard 50 Ω characteristic impedance 5 Supply voltage 10 28V DC It is recommended to use 12V or 24V 6 Communicat...

Page 10: ...r Sub package E34 DTU 2G4H20 256Byte Automatic subcontracting of 27 bytes to send Note 1 When the receiving data is more than a single packet capacity the beyond part will be automatically assigned to the second transmission until it is completed 2 The data transceiver cannot receive data which is more than the buffer capacity 6 Operating mode E34 DTU 2G4H20 has four operating modes if low power c...

Page 11: ...nology Co Ltd 10 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 diagram when programming 7 1 diagrammatic drawing Mode M1 M0 Description Mode3 Sleep Mode Off Off Only be programmed using theconfiguration softwarein thecurrent mode ...

Page 12: ...ration application to modify parameters 7 2 Parameter setting instruction Parameter Description Baud rate The serial port baud rate of a wireless data station at work 1200bps 115200bps Odd even check Support 8N1 no check 8E1 even check 8O1 odd check Both are 8 bit data bits and 1 bit stop bits Air data rate bps Wireless communication rate also known as air baud rate air rate high data transmission...

Page 13: ...upported Wake Up Time There is no direct relationship with the communication delay If thecustomer needs low power applications this option shall be adjusted as required to ensure thecommunication stability This parameter is self adaptive and needs no attention from the user IO driven By default select theinternal TTLsignal drive mode Station Address Internal address of wireless data station statio...

Page 14: ... retransmission 10 Practical application The data transceiverof 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: ...yond 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 co...

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: ...by 1 00 2018 8 30 Initial version huaa 1 10 2019 4 2 ModelNo 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 Innovation Center D347 4 XI XIN Road Chengdu Sichuan China ...

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