Chengdu Ebyte Electronic Technology Co., Ltd.
Copyright©2012–2021
ChengduEbyteElectronicTechnologyCo,;Ltd
10
Pin NO.
Definition
Function
Description
1
VCC
Crimping power interface,
positive
10~36V DC, recommended 12V or 24V
2
GND
Crimping power interface,
negative
The power supply negative pole is connected to the
system ground and the housing
3
485_B
RS-485 interface, interface B
The RS-485 interface B is connected to the device
interface B
4
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 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.
4. Technical specification
5.1 Model specification
Model No.
Frequenc
y
TX
power
Distance
Features
Recommended application
Hz
W
km
E90-DTU(400SL
37)
433.125M
5
14.4
LoRa
，
anti-interference
Suitable for transmission of fast speed
in complex environment with data
interference over a long distance
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 parameter
No.
Item
Value
Note
1
Size
124 * 105 * 25 mm
See more in 3.2. Dimensions
2
Weight
253g
± 5g
3
Temperature
-40
℃～
85
℃
4
Antenna
impedance
50Ω
Standard 50 Ω characteristic impedance
5
Supply voltage
+10 ~ +36V 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 1200~115200
8
Address
Default 0
65536 configurable address
Содержание 400SL37
Страница 1: ...E90 DTU 400SL37 ...
