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Chengdu Ebyte Electronic Technology Co.,Ltd.
2
3
485_B
4
485_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 resistor between 485_A terminal and 485_B.
5. Technical indicators
Model specifications
5.1.
Model
E62-DTU (433D20)
★ Note: Test condition: in clear and open air without shelters, 12V / 2A power supply, 5d Bi gain sucker antenna over 2
meters height from the ground, with the factory default parameters.
General specification parameters
5.2.
NO.
1
2
3
4
5
6
Communication interface
7
8
Chengdu Ebyte Electronic Technology Co,;Ltd
Copyright ©2012–2019，
GND
Crimping power interface, negative
RS-485 interface, interface B
RS-485 interface, interface A
Transmit
Frequency
power
Hz
W
433
0.1
Model
Size（H*W*D）
Weight
Temperature
Antenna impedance
Supply voltage
Baud rate
Address
The power supply negative pole is connected to the
system ground and the housing
The RS-485 interface B is connected to the device
interface B
The RS-485 interface A is connected to the device
interface A
Distance
Specifications
km
Full duplex, automatic
1
frequency hopping spread
spectrum
Specification
82 * 62 * 25mm
131g
-40℃～85℃
50 Ω
+10 ~ +28V DC
RS232/RS485
Default 9600
Default 0
E62-DTU (433D20) user manual
Application
Suitable for open environment
with few obstacles
Description
See more at 3.2 Dimension
Tolerance: 4.5g
M eet industrial level
Standard 50 Ω characteristic impedance
It is recommended to use 12V or 24V
Standard DB9 hole / 3.81 terminal block
from 1200 to 115200 bps
65536 configurable addresses
8
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