Ebyte E90-DTU User Manual
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Summary of Contents for Ebyte E90-DTU
- Page 1 E90-DTU(400SL37)
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Page 2: Table Of Contents
Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual Contents 1. Introduction.................................3 1.1 Brief introduction..............................3 1.2 Certificate................................3 1.3 Features................................. 3 2. Quick Start.................................. 4 3. Dimensions..................................6 3.1 Parts description..............................6 4. Interface definition..............................9 4.1 Power interface..............................9 4.2 RS232..................................9 4.3 RS485..................................9 5. -
Page 3: Introduction
“Electrostatic surge test report” by National Institute of Measurement and Testing Technology，ID： CNEx18.1461. E90-DTU is certified with “Certificate of Design Patent”，Patent Number： ZL 2016 3 0501980.3. E90-DTUis certified with “Utility model patent certificate”，Patent Number： ZL 2016 2 1410691.3. E90-DTU is certified with “CE” , ID： CCISE180514601V. -
Page 4: Quick Start
Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual ★ Using military-grade LoRa modulation technology, with data encryption, the packet length is available for configuration. ★ Large single package, single package is up to 240 bytes, adapt to Modbus. - Page 5 Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual 2. Connect the DTU to computer via USB to RS-232 or USB to RS-485 converter etc. 3. Start two serial port debugging assistants, select the baud rate 9600bps, check mode as 8N1 to realize transparent transmission；...
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Page 6: Dimensions
4. If customer needs to modify the parameters, please dial the switch in the configuration mode and connect to the computer. Open the E90-DTU SL configuration software, you can modify the relevant parameters. After completing the configuration, you must restore the DIP switch status for communication. - Page 7 Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual Name Function Note DB-9 female socket RS-232 interface Standard RS-232 interface RS-485, power Standard RS-485 interface and pressure line power 3.81 terminal block interface interface PWR-LED Power LED Red, lit when the power is on...
- Page 8 Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual 单位：mm ChengduEbyteElectronicTechnologyCo,;Ltd Copyright©2012–2021...
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Page 9: Interface Definition
The E90-DTU can be connected to the device via RS-232 using the standard DB-9 interface. 4.3 RS485 E90-DTU can be connected to the 485_A terminal and 485_B terminal from ② with the RS-485 A terminal and B terminal of other device respectively. -
Page 10: Technical Specification
Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual Pin NO. Definition Function Description Crimping power interface, 10~36V DC, recommended 12V or 24V positive Crimping power interface, The power supply negative pole is connected to the negative system ground and the housing... -
Page 11: Frequency And Channel Numbers
Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual 5.3 Frequency and channel numbers Channel Default Frequency Frequency Range Interval Model No. Channel numbers E90-DTU(400SL 433.125M 410.125～493.125M 84，half duplex 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 12: Function Description
Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual 6. Function Description 6.1 Fixed Transmission 6.2 Broadcast Transmission 6.3 Broadcast Address For example: Set the address of module A as 0xFFFF and channel as 0x04. When module A is the transmitter (same mode, transparent transmission), all modules under channel 0x04 will ... -
Page 13: Operating Mode
7. Operating mode The E90-DTU (230SL30) has two working modes. In normal communication, the radio is configured in the normal mode (mode 0); the default setting of the radio is also the normal mode (mode 0). Categories Notes Open UART Comm port and RF，transparent transmission... -
Page 14: Configuration Mode (Mode 2)
Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual 7.2 Configuration mode (mode 2) Type When M0 = ON and M1 = ON, the module works in mode 2. Transmitting Wireless transmission is off. Receiving Wireless receiving is off. -
Page 15: Register Description
Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual command start address length parameter Transmit：C2 Return：C1 Example 2：set module address（0x1234）, network address (0x00), UART (9600 8N1), air data rate (1.2K) Transmit：C2 00 04 12 34 00 61 Return：C1 00 04 12 34 00 61 Command：CF CF + general command... - Page 16 Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual For the two modules that 7，6，5 UART baud rate（bps） communicate with each other, the 000：baud rate is 1200 serial port baud rate can be different, 001：baud rate is 2400 and the verification method can also 010：baud rate is 4800...
- Page 17 Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual ------------------------------------- 01：37dbm 10：37dbm -------------------------------------- 11：37dbm Power and current are nonlinear, and power efficiency is highest maximum power. The current does not decrease in proportion to the decrease in power.
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Page 18: Factory Default Parameter
Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual interval period, the lower the 100：2500ms average power consumption, but the 101：3000ms greater the data delay 110：3500ms Both the transmitter and the receiver 111：4000ms must be the same (very important). -
Page 19: Configuration Instructions On Computer
As shown in the figure: the data sent by node 1, the nodes 2, 4 can receive the data sent by node 2, 4, and node 1 can also receive it. 10. Configuration instructions on computer The following figure shows the E90-DTU SL configuration interface on computer, users can switch to the command mode through M0M1, and quickly configure and read the parameters on computer. - Page 20 Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual In the configuration on computer, the module address, frequency channel, network ID, and key are all in decimal mode. The range of values of each parameter is: Network address: 0-65535...
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Page 21: Programming The Modem
1. Programming can only be performed in a specific operating mode (see table above). When programming fails, please confirm that the radio working mode is correct. 2. Users can modify parameters via E90-DTU SL configuration software. ChengduEbyteElectronicTechnologyCo,;Ltd Copyright©2012–2021... -
Page 22: Connection Diagram In Test And Practical Application
Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual 12. Connection diagram in test and practical application 13. E90-DTU Frequenc Distance Model No. Interface Power Features y Hz Low frequency LoRa，ultra strong diffraction E90-DTU(230SL RS232 230M RS485 ability for complex environment Low frequency LoRa，ultra strong diffraction... -
Page 23: Application Field
Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual High-speed continuous transmission，ModBus E90-DTU(433C3 RS232 433M RS485 protocol High-speed continuous transmission，ModBus E90-DTU(433C3 RS232 433M RS485 protocol High-speed continuous transmission，ModBus E90-DTU RS232 433M protocol，long distance (433C37) RS485 Low frequency narrow band，for complex... -
Page 24: Operation Notes
Important statement 1. EBYTE reserves the right of final interpretation and modification of all contents in this manual. 2. As the hardware and software of the product continue to improve, this manual may be subject to change without further notice, and the final version of the manual shall prevail. -
Page 25: About Us
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 ------------------------------------------------------------------------------------------------- Official hotline:028-61399028 ext. 821 Web: www.ebyte.com Address: Innovation Center D347, 4# XI-XIN Road, Chengdu, Sichuan, China ChengduEbyteElectronicTechnologyCo,;Ltd...