Ebyte E32-DTU, User Manual

Page 1: ...E32 DTU 433NW20 ...

Page 2: ...fications 9 5 2 General specification parameters 9 5 3 Frequency range and channels 10 5 4 Transmit power level 10 5 5 Air data rate 10 5 6 Current parameters 10 5 7 Transceiver Length and Sub packing Mode 11 6 Operating mode 11 7 Command format 12 7 1 Default parameters 12 7 2 Reading operating parameters 12 7 3 Reading version number 13 7 4 Reset command 13 7 5 Parameter setting command 13 8 Con...

Page 3: ... module USES UART serial port to communicate with user MCU and its working voltage range is 8V 28V 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 make the frequency stability bett...

Page 4: ...Electronic 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: ... 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 wants to modify parameters Firing up E64 DTU 数传电台配置软件 E64 DTU parameter configuration application to modify related parameters The mode switch must be reopened to achieve transmission after the configuration Mode0 Factory Default Mode3 Parameter setting ...

Page 6: ...Chengdu Ebyte Electronic Technology Co Ltd E32 DTU 433NW20 user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 5 3 Installation Specifications 3 1 Structure ...

Page 7: ... 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 8 Antenna interface S...

Page 8: ...Chengdu Ebyte Electronic Technology Co Ltd E32 DTU 433NW20 user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 7 3 2 Dimension 单位 mm ...

Page 9: ...supply but it is recommended to use 12V or 24V DC power supply 4 2 RS232 Interface definition The E64 DTU can be connected to the device via RS 232 using the standard DB 9 interface 4 3 RS485 Interface definition E64 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 8...

Page 10: ...33NW20 433 0 1 1 5 One master multiple slave star networking Low speed and high reliability wireless upgrade 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 25 mm See more at 3 2 D...

Page 11: ...te The 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 E64 DTU 433NW20 8 4 2 5 8 20 Note The higher the air data rate the faster the transmission rate the transmission distance is also closer w...

Page 12: ...e buffer capacity 6 Operating mode E64 DTU 433NW20 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 Mode0 Master Mode ON ON Listen for all numbered slave data in the same channel If theslave WOR is turned on theslav...

Page 13: ...working parameters Send C2 5 bytes in hexadecimal format 6 bytes of working parameters must be sent continuously power off without saving 4 C3 C3 C3 Hexadecimal format sent three C3 the module return version information must be sent continuously 5 C4 C4 C4 Hexadecimal format sent three C4 the module will produce a reset must be sent continuously 7 1 Default parameters Type Default parametervalues ...

Page 14: ...et During the reset process the module conducted self inspection and AUX output low level After the reset AUX output high level and the module began to work normally At this point you can switch modes or issue the next instruction 7 5 Parameter setting command Working parameters can be C0 or C2 command the difference is the C0 command will write parameters to the module FLASH power down save C2 co...

Page 15: ...onger the transmission time Both sides of the communication air wireless transmission rate must be the same 4 CHAN Network group no 00 07h 000 group 0 001 group 1 default 010 group 2 011 group 3 100 group 4 Group 5 101 Group 110 group 6 111 group 7 Address of slave machine 00 1eh default 0 No network with the same number can exist in the same region Devices on different networks cannot communicate...

Page 16: ...weakened and the distance will be slightly closer Please select according to the actual application Both sides of the communication must be on or off External power supply must provide more than 500mA current output capacity And ensure that the power rippleis less than 100mV It is not recommended to use a small power transmission its power utilization efficiency is not high For example The meaning...

Page 17: ...c Technology Co Ltd 16 8 Connection diagram when programming 8 1 Diagrammatic drawing Mode M1 M0 Description Mode3 Sleep Mode Off Off The module enters hibernation and can receive parameter setting commands Note 1 programming can only be carried on in a specific mode see above if fails please confirm the work mode ...

Page 18: ...ssion distance will become shorter Transmitting power In order to ensure the working efficiency it is recommended to use themaximum power If the transmitted power is reduced the communication distance will become shorter and the required current will be reduced FEC The lost or interfered data can be partially corrected by complex encoding which can improve the equivalent receiving sensitivity by a...

Page 19: ...t be repeated Slave transparent transmission Whether the slave machine needs to follow the communication protocolor not transparent transmission can also be supported 7 Connection diagram in test and application Mode No Interface Frequency Hz Tx power dBm Distance km Function feature E64 DTU 433NW20 RS232 RS485 433M 20 1 5 One master multiple slave star networking 8 Practical application The data ...

Page 20: ...age enjoys free warranty please do not repair by yourself the problem and please contact with our company when problem occurring we offer the first class after sales service 3 Please do not operate the transceiver in some flammab le places such as coal mines or near explosive atmospheres such as detonators 4 Please use the appropriate DC power supply high frequency interference ability small rippl...

Page 21: ...istance 10 When communication distance is not perfect it is recommended to improve the antenna quality and the installation mode of the antenna You can send mail to support cdebyte comfor support 11 When choosing power supply it is recommended to keep at least 50 current left and the ripple must not exceed 100mV 12 Important statement 1 CDEBYTE reserves the right of final interpretation and modifi...

Page 22: ...scription Issued by 1 20 2019 04 12 initial version Molly About us Technical support support cdebyte com Documents and RF Setting download link www ebyte com Thank you for using Ebyteproducts 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 ...