Ebyte E32-DTU User Manual
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Summary of Contents for Ebyte E32-DTU
- Page 1 E32-DTU (915L30)
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Page 2: Table Of Contents
Chengdu Ebyte Electronic Technology Co.,Ltd. E32-DTU (915L30) user manual Content 1.Introduction..................................2 1.1.Brief Introduction............................. 2 1.2.Features................................2 2.Operation..................................3 3.Installation Specifications............................5 3.1.Structure................................5 3.2.Dimension.................................6 4.Interface Defination..............................7 4.1.Power interface definition..........................7 4.2.RS232 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... -
Page 3: Introduction
Brief Introduction 1.1. E32-DTU (915L30) is wireless data transceiver of 915M with standard RS232/RS485 connectors. They are half-duplex. TX & RX modems with LoRa technology and transparent transmission mode. Voltage supply ranges from 8V to 28V, Working frequency: 900~931MHz (Default:915MHz). -
Page 4: Operation
Chengdu Ebyte Electronic Technology Co.,Ltd. E32-DTU (915L30) user manual Operation Main parts First step is to mount antenna, then battery, making sure the dial switch is on its right status. User gets on the power 1、 by choosing either VCC/GND or power adapter. - Page 5 User needs to open the mode switch first before link DTU with computer if the user want to modify parameters. 4、 Firing up E32-DTU 数 传 电 台 配 置 软 件 (E32-DTU parameter configuration application) to modify related parameters. The mode switch must be reopened to achieve transmission after the configuration.
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Page 6: Installation Specifications
Chengdu Ebyte Electronic Technology Co.,Ltd. E32-DTU (915L30) user manual 3. Installation Specifications Structure 3.1. Name Function Description DB-9 female socket RS-232 interface Standard RS-232 interface Standard RS-485 interface and pressure line 3.81 terminal block RS-485, power interface power interface PWR-LED... -
Page 7: Dimension
Chengdu Ebyte Electronic Technology Co.,Ltd. E32-DTU (915L30) user manual Dimension 3.2. Unit：mm Chengdu Ebyte Electronic Technology Co,;Ltd Copyright ©2012–2019，... -
Page 8: Interface Defination
Also choose the VCC and GND terminal power supply, only choose any one of the power supply is OK; E32-DTU can use 8~ 28V DC power supply, but it is recommended to use 12V or 24V DC power supply. RS232 Interface definition 4.2. -
Page 9: Technical Indicators
Chengdu Ebyte Electronic Technology Co.,Ltd. E32-DTU (915L30) user manual ★ Note: The transceiver will be in poor communication when connected to multiple devices , it is recommended to be connected to a single device, please try to use parallel 120Ω resistor between 485_A terminal and 485_B. -
Page 10: Transmit Power Level
Chengdu Ebyte Electronic Technology Co.,Ltd. E32-DTU (915L30) user manual ★ Note: In the same area when multiple data transceivers are communicating one to one at the same time, it is recommended to set the channel spacing between each group of data transceivers at 2MHz or more. -
Page 11: Operating Mode
E32-DTU (915L30) user manual 6. Operating mode E32-DTU (915L30) 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). -
Page 12: Connection Diagram When Programming
Chengdu Ebyte Electronic Technology Co.,Ltd. E32-DTU (915L30) user manual 7. Connection diagram when programming diagrammatic drawing 7.1. Mode Description Mode 3 Sleep Mode 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. -
Page 13: Parameter Setting Instruction
Chengdu Ebyte Electronic Technology Co.,Ltd. E32-DTU (915L30) user manual Parameter setting instruction 7.2. Parameter Description The serial port baud rate of a wireless data station at work，1200bps～115200bps Baud rate Support 8N1:no check ；8E1:even-check；8O1:odd-check；Both are 8-bit data bits and 1-bit stop bits. -
Page 14: Connection Diagram In Test And Application
Chengdu Ebyte Electronic Technology Co.,Ltd. E32-DTU (915L30) user manual 8. Connection diagram in test and application 9. E32-DTU series Frequency Tx power Distance Mode No. Interface Function feature LoRa spread spectrum, long distance, anti - E32-DTU (433L37) RS232 RS485 433M... -
Page 15: Practical Application
Chengdu Ebyte Electronic Technology Co.,Ltd. E32-DTU (915L30) user manual 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... -
Page 16: Important Statement
Chengdu Ebyte Electronic Technology Co.,Ltd. E32-DTU (915L30) user manual 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 communication interface;... -
Page 17: Revision History
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 Chengdu Ebyte Electronic Technology Co,;Ltd...