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E90-DTU(230SL37)
New LoRa, long Distance, High Power

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Summary of Contents for Ebyte 230SL37

  • Page 1 E90-DTU(230SL37) New LoRa, long Distance, High Power...
  • 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 3.2 Dimensions ...............................
  • Page 3: Introduction

    Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual 1. Introduction 1.1 Brief introduction E90-DTU (230SL30) is a data transceiver with military-grade LoRa modulation technology. With multiple transmission modes, it works in the (220.125MHz~236.125MHz) frequency band (default 230.125MHz). The transceiver provides transparent RS232/RS485 interface and supports 8~28V voltage input.
  • Page 4: Quick Start

    Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual Support the 230MHz power band, the penetration diffraction capability is stronger than 433MHz.  Simple and efficient power supply design, support power adapter or crimping mode, support 8~28V power supply.
  • Page 5 Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual 3. Start two serial port debugging assistants, select the baud rate 9600bps, check mode as 8N1 to realize transparent transmission; 4. If customer needs to modify the parameters, please dial the switch in the configuration mode and connect to the computer.
  • Page 6: Dimensions

    Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual Mode 0 Factory default Mode 2 Parameter configuration 3. Dimensions 3.1 Parts description ChengduEbyteElectronicTechnologyCo,;Ltd Copyright2012–20231...
  • Page 7: Dimensions

    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 unit:mm ChengduEbyteElectronicTechnologyCo,;Ltd Copyright2012–20231...
  • Page 9: Interface Definition

    Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual 4. Interface definition 4.1 Power interface Users can choose ⑥ DC power interface,using the power adapter supply with the interface of the 5.5mm outer diameter , 2.5mm diameter ; Also users can choose the VCC and GND terminal power supply from , both are optional;...
  • Page 10: Technical Specification

    Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual interface A 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 11: Air Data Rate

    Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL 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 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: Monitor Address

    Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual 6.4 Monitor Address For example: Set the address of module A as 0xFFFF and channel as 0x04;   When module A is the receiver, it can receive the data sent from all modules under channel 0x04. The purpose of monitor is realized.
  • 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 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 7,6,5 UART baud rate(bps) For the two modules that  communicate with each other, the 000:baud rate is 1200 serial port baud rate can be 001:baud rate is 2400 different, and the verification 010:baud rate is 4800...
  • Page 17 Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual 11:37dbm ------------------------------------- -------------------------------------- Power and current are nonlinear,  and power efficiency is highest at maximum power.  The current does not decrease in proportion to the decrease in power.
  • Page 18: Factory Default Parameter

    Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual 110:3500ms Max 4000ms,Min 500ms 111:4000ms The longer the WOR monitoring  interval period, the lower the average power consumption, but the greater the data delay Both the transmitter and the ...
  • Page 19: Configuration Instructions On Computer

    Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual Figure: Primary repeater “Node 1” NETID is 08. “Node 2” NETID is 33. Primary repeater 1‘s ’ADDH\ADDL are 08,33. So the signal sent by node 1 (08) can be forwarded to node 2 (33) At the same time, node 1 and node 2 have the same address, so the data transmitted by node 1 can be received by node 2.
  • 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...
  • Page 21: Programming The Modem

    Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual Programming the modem 11.1 Connection diagram Operating mode Note Configuration mode Programming via the configuration software is available only in this mode 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.
  • 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 E90-DTU Frequency Distance Model No. Interface Power Features Low frequency LoRa, ultra strong diffraction RS232 E90-DTU(230SL22) 230M RS485 ability for complex environment Low frequency LoRa,...
  • Page 23: Application Field

    Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU SL User Manual High-speed continuous transmission, RS232 E90-DTU(433C30) 433M RS485 ModBus protocol High-speed continuous transmission, RS232 E90-DTU(433C33) 433M RS485 ModBus protocol High-speed continuous transmission, RS232 E90-DTU (433C37) 433M ModBus protocol,long distance 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: Revision History

    Content revision About us Technical support: support@cdebyte.com Documents and RF Setting download link::https://www.cdebyte.com Thank you for using Ebyte products! Please contact us with any questions or suggestions: info@cdebyte.com ------------------------------------------------------------------------------------------------- Official hotline:028-61543675 ext. 821 Web: https://www.cdebyte.com Address: Innovation Center D347, 4# XI-XIN Road,Chengdu, Sichuan, China ChengduEbyteElectronicTechnologyCo,;Ltd...

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