Ebyte 915L30, Руководство пользователя

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Chengdu Ebyte Electronic Technology Co.,Ltd. E32-DTU (915L30) user manual
Copyright ©2012–2019
，
Chengdu Ebyte Electronic Technology Co,;Ltd 8
★ 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.
5. Technical indicators
5.1.
Model specifications
Model
Frequency
Transmit
power
Distance
Specifications Application
Hz W km
E32-DTU
(915L30)
915 1 8
Strong penetration
，
anti - interference
To the environment with small data, long
distance, many obstacles
★ Note: Test condition: 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 characteristic impedance
5 Supply voltage +8~ +28V DC It is recommended to use 12V or 24V
6 Communication interface RS232/RS485 Standard DB9 hole / 3.81 terminal block
7 Baud rate Default 9600 from 1200 to 115200 bps
8 Address Default 0 65536 configurable addresses
5.3.
Frequency range and channels
Model
Default frequency Frequency range
Channel
spacing
Channels
Hz Hz Hz
E32-DTU (915L30) 915 900~931 1
32
，
half duplex