background image

Chengdu Ebyte Electronic Technology Co.,Ltd.

E32-DTU (915L30) user manual

Copyright ©2012–2019

Chengdu Ebyte Electronic Technology Co,;Ltd

5

3. Installation Specifications

3.1.

Structure

Pin

NO.

Name

Function

Description

1

DB-9 female socket

RS-232 interface

Standard RS-232 interface

2

3.81 terminal block

RS-485, power interface

Standard RS-485 interface and pressure line

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

SMA-K interface

external thread, 10mm, 50Ωcharacteristic

impedance

Summary of Contents for 915L30

Page 1: ...E32 DTU 915L30 ...

Page 2: ...face 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 5 4 Transmit power level 9 5 5 Air data rate 9 5 6 Current parameters 9 5 7 Transceiver Length and Sub packing Mode 9 6 Operating mode 10 7 Connection diagram when programming 11 7 1 diagrammatic drawing 11 7 2 Parameter se...

Page 3: ...educe the data transmission time which in turn reduces the possibility of being interfered thus improves the reliability and communication efficiency 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 1W all technical parameters meet European industrial standards Temperature compensators ...

Page 4: ...lectronic 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 want to modify parameters 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 Mode 0 Default Mode 3 Parameter setting ...

Page 6: ...terminal block RS 485 power interface Standard RS 485 interface and pressure line 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...

Page 7: ...Chengdu Ebyte Electronic Technology Co Ltd E32 DTU 915L30 user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 6 3 2 Dimension Unit mm ...

Page 8: ...ower supply 4 2 RS232 Interface definition The E32 DTU can be connected to the device via RS 232 using the standard DB 9 interface 4 3 RS485 Interface definition E32 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 28V DC recommended 12V or 24V 2 GND Crimping power...

Page 9: ...ndition 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 25mm See more at 3 2 Dimension 2 Weight 135g Tolerance 4 5g 3 Temperature 40 85 Meet industrial level 4 Antenna impedance 50 Ω Standard 50 Ω cha...

Page 10: ...2 4 6 0 3 1 2 2 4 4 8 9 6 19 2 Note The higher the air data rate the faster the transmission rate the transmission distance is also closer when the rate meets the requirements the lower air data rate the better quality 5 6 Current parameters Model Transmitting current mA Standby current mA 12V 24V 12V 24V E32 DTU 915L30 693 361 40 34 Note It is recommended to retain more than 50 of the current mar...

Page 11: ... factory default is normal mode mode 0 Categories M1 M0 Description Mode 0 Normal Mode ON ON Open UART and RF transparent transmission is on Mode 1 Wake up Mode ON OFF Air wake up mode the packet comes with a wake up code Mode 2 Power saving Mode OFF ON The air wake up receive mode saving receive power the mode can not be transmitted Mode 3 Sleep Mode OFF OFF Parameter setting using the configurat...

Page 12: ...agrammatic drawing Mode M1 M0 Description Mode 3 Sleep Mode Off Off 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 2 If there s no complicated programming opening the E32 DTU 数传电台配置软件 E32 DTU parameter configuration application to modify parameters ...

Page 13: ... off this function can reduce the communication delay Transmission mode Transparent transmission and send as received fixed points data is sent at fixed points according to the format Wake Up Time There is no direct relationship with the communication delay If the customer needs low power applications this option shall be adjusted as required In the power saving mode the longer the wake up time th...

Page 14: ...erference E32 DTU 915L30 RS232 RS485 915M 30 8 LoRa spread spectrum long distance anti interference E32 DTU 170L30 RS232 RS485 170M 30 8 Strong Penetration LoRa spread spectrum anti interference E32 DTU 868L20 RS232 RS485 868M 20 3 LoRa spread spectrum long distance anti interference E32 DTU 915L20 RS232 RS485 915M 20 3 LoRa spread spectrum long distance anti interference E32 DTU 433L30 RS232 RS48...

Page 15: ...lease keep the warranty card of the equipment which includes the factory number and important technical parameters and is important for user s future maintenance and new equipment 2 Transceiver during the warranty period if the quality of the product itself rather than man made damage or lightning and other natural disasters caused by damage enjoys free warranty please do not repair by yourself th...

Page 16: ...ensity obstacle volume and electromagnetic environment in order to ensure stable communication it is recommended to reserve at least 50 of the communication distance 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 com for support 11 When choosing power supply it is recommend...

Page 17: ... by 1 00 2017 12 5 Initial version huaa 1 10 2019 4 2 Model No split molly 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 ...

Reviews: