Ebyte 400SL22-485, User Manual, Page: 12 / 24

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hengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual
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opyright ©2012–2020, Chengdu Ebyte Electronic Technology Co.,Ltd
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4.3 Broadcast address

Example: Set the address of DTU A to 0xFFFF and the channel to 0x04.

When DTU A is used as a transmitter (same mode, transparent transmission mode), all receiving DTU under the 0x04 channel
can receive data to achieve the purpose of broadcasting.
4.4 Listening address

Example: Set the address of DTU A to 0xFFFF and the channel to 0x04.

When DTU A is receiving, it can receive all the data under channel 0x04 to achieve the purpose of monitoring.
5. Operating mode
E95-DTU has four working modes. When there is no demanding low power consumption requirement, it is recommended to configure
the DTU to transparent transmission mode (mode 0) if normal communication is required;
The default setting of the DTU at the factory is transparent transmission mode (mode 0).
No.
Type M1 M0 Description
Mode 0
Transparent
transmission
mode
Light
Off
Light
Off
Serial port open, wireless open, transparent transmission
(factory default mode), support special command air
configuration.
Mode 1 WOR Mode
Light
Off
Light
On
Can be defined as WOR sender and WOR receiver, support air
wakeup
Mode 2
Configuration
Mode
Light
On
Light
Off
The user accesses the register through the serial port to control
the working status of the DTU. The user can configure the DTU
through the upper computer configuration software.
Mode 3
Deep Sleep
Mode
Light
On
Light
On
DTU goes to sleep mode.
Note: If there is no low power consumption requirement, no need to care about WOR mode (mode 1).
5.1 Transparent transmission mode (mode 0)
Type When the M0 indicator light is off and the M1 indicator light is off, the DTU is working in mode 0
Sending Users can input data through the serial port, and the DTU will start wireless transmission.
Receiving
The DTU receiving function is turned on, and after receiving the wireless data, it will be output through the
serial port TXD pin.