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E34-DTU (2G4D20)

Summary of Contents for E34-DTU

Page 1: ...E34 DTU 2G4D20 ...

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: ...rivate network monitoring signals in real time and reliable data transmission with low cost easy installation and maintenance diffraction ability strong network structure characteristics of flexible range far for scattered points and more complex geographical environment and so on occasion but with PLC RTU rain gauge data terminal connected level gauge etc 1 2 Features All core components are orig...

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 Mode 0 Default Mode 3 Parameter setting ...

Page 6: ...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 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 2G4D20 user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 6 3 2 Dimension Unit mm ...

Page 8: ...pply 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 10 ...

Page 9: ...r 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 131g Tolerance 4 5g 3 Temperature 40 85 Meet industria...

Page 10: ... 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 2G4D20 1024Byte Half duplex automatic subcontracting 29 bytes send full duplex unlimited packet length Note 1 When the receiving data is more than a single packet capacity the beyond part will be automatically assigned to the second tr...

Page 11: ...n OFF ON Meaningless Mode 3 Setting OFF OFF Receiving the parameter setting command 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 Mode 3 Setting Off Off Receiving the parameter setting command ...

Page 12: ...ation 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: ...orted 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 is self adaptive and needs no attention from the user IO driven By default select the internal TTL signal drive mode Station Address Internal address of wireless data station stati...

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 8 30 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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