Ebyte E32-DTU User Manual
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Ebyte E32-DTU User Manual

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E32-DTU (433NW20)

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Summary of Contents for Ebyte E32-DTU

  • Page 1 E32-DTU (433NW20)

  • Page 2: Table Of Contents

    Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual Content 1.Introduction............................2 1.1. Brief Introduction ......................... 2 1.2. Features ..........................2 Operation............................3 Installation Specifications ........................5 3.1. Structure ..........................5 3.2. Dimension ........................... 7 Interface Defination ..........................8 4.1.

  • Page 3: Introduction

    Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual 1.Introduction 1.1. Brief Introduction E64-DTU (433NW20) is suitable for lo w-power, main-mu ltiple slave star networks. Its biggest feature is that it supports up to 31 slave data to be sent to the host at the same time, and supports WOR working mode of slave, with a minimu m receiv ing power consumption of about 3mA.

  • Page 4: Operation

    Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual Operation Main parts 1、 First step is to mount antenna, then battery, making sure the d ial switch is on its right status. User gets on the power by choosing either VCC/GND or power adapter.
  • Page 5 Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual Firing up t wo XCOMs, choosing Baud rate 9600bps, 8N1, the setting which serial port transmission can be 3、 achieved. User needs to open the mode switch first before link DTU with co mputer if the user wants to modify parameters.

  • Page 6: Installation Specifications

    Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual 3. Installation Specifications 3.1. Structure Chengdu Ebyte Electronic Technology Co,;Ltd Copyright ©2012–2019，...
  • Page 7 Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual Pin NO. 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 Power LED Red, lit when the power is on...

  • Page 8: Dimension

    Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual 3.2. Dimension 单位：mm Chengdu Ebyte Electronic Technology Co,;Ltd Copyright ©2012–2019，...

  • Page 9: Interface Defination

    Also choose the VCC and GND terminal power supply, only choose any one of the power supplies is OK; E32-DTU can use 8~ 28V DC power 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.

  • Page 10: Technical Indicators

    Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual 485_A RS-485 interface, interface A The RS-485 interface A is connected to the device interface A ★ Note: The transceiver will be in poor co mmunicat ion when connected to multiple devices , it is reco mmended to be connected to a single device, please try to use parallel 120Ω...

  • Page 11: Frequency Range And Channels

    Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual 5.3. Frequency range and channels Channel Default frequency Frequency range Model spacing Channels E64-DTU 256，half duplex 425~451.3 (433NW20) ★ Note: In the same area when mu ltip le data transceivers are commun icating 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: Transceiver Length And Sub-Packing Mode

    Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual 5.7. Transceiver Length and Sub-packing Mode Model Buffer Sub-package E64-DTU (433NW20) 512Byte Automatically send 55 bytes per package ★ Note: 1. If the data received by the station in a single time is larger than the capacity of a single packet, the excess data will be automatically allocated to the second transmission until the completion of transmission.

  • Page 13: Command Format

    Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual 7 Command format In sleep mode（Mode 3：M1=off, M0=off）, it supports below instructions on list. (Only support 9600 and 8N1 format when setting) Instruction Illustration format C0+working C0 + 5 bytes working parameters are sent in hexadecimal format. 6 bytes in total and parameters must be sent in succession, ( Save the parameters when power-down ).

  • Page 14: Reading Version Number

    Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual 7.3 Reading version number Instruction format Description In the sleep mode (M 0=1, M 1=1), The user issues a command to the module serial port (HEX format) : C3, C3, C3+C3+C3 The module returns the current configuration parameters, such as C3 64 xx yy.
  • Page 15 Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual Rate parameters, including serial speed and air speed  7,6: serial port check bit 通信双方串口模式可以不同 00:8 N1 (default) The serial port modes of 01:8 O1 communication parties can be 10:8 E1...
  • Page 16 Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual 111：2000ms --------------------------------------------- ------------------------------------- 2. FEC switch  After FEC is turned off, the 0: close the FEC actual data transmission rate 1: turn on FEC (default) will be increased, but the...

  • Page 17: Connection Diagram When Programming

    Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual 8.Connection diagram when programming 8.1.Diagrammatic drawing Mode Description The module enters hibernation and can M ode 3 Sleep M ode 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: Parameter Setting Instruction

    Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual 2.If there’s no complicated programming, opening the E64-DTU 数传电台配置软件 (E64-DTU parameter configuration application) to modify parameters. 8.2. Parameter setting instruction Parameter Description The serial port baud rate of a wireless data station at work，1200bps～115200bps。...

  • Page 19: Connection Diagram In Test And Application

    Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual By default, select the internal TTL signal drive mode。 IO driven Communications A total of 8 groups of networks are supported, with each group supporting up to 31 slave machines. group Communication between different groups is not possible.

  • Page 20: Note

    Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual Monitoring, air defense alarm control, railway signal monitoring, centralized control of railway water supply, oil supply pipe network monitoring, GPS system, remote meter reading, electronic crane, automatic reporting, seismic forecasting, fire prevention, environmental monitoring and other industrial automation system, as shown below: 11.Note...

  • Page 21: Important Statement

    Chengdu Ebyte Electronic Technology Co,;Ltd E32-DTU (433NW20) user manual easy to burn out the communication interface; do not plug the interface with power supplying. 8. When testing, please connect the antenna or 50 Ω load, otherwise transceiver will be damaged easily ;the distance from the antenna is better than 2 meters, so as to avoid harm, please do not touch the antenna when transmitting.

  • Page 22: Revision History

    M olly 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...

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