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4.2 Configuration mode
When the module enters the configuration mode, the data received by the serial port defaults to the configuration
instruction, which configures and operates the function of the device. In the configuration mode, the data received by the
serial port is regarded as the hex instruction.
4.3 Mode switch
4.3.1 Command switch
The module power on initialization defaults to the transmission mode
In transmission mode, when the serial port receives "2A 2D 2E" character, it will enter the configuration mode. After
entering the configuration mode successfully, it will return
serial port of the module receives
transmission mode, and returns "7F 7C 7B" character after entering the transmission mode successfully.
4.3.2 Pin switching
Working mode switch pin PB11, internal configuration pull-up resistance input mode, power on default high level,
in any mode, when mode switch pin PB11 is pulled down more than 500ms, the module working mode switch, as shown
in the figure below:
5.Transmission mode
5.1 Data transmission mode
The data transmission mode includes unicast, broadcast and multicast.
5.1.1 Broadcast mode
In broadcast mode, the sending device sends the data received by the serial port to each node in network (including
itself), and all non-sleeping devices in network will receive data.
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"2F 2C 2B
" character, the module exits the configuration mode, enters the
Pin level pulse
Configure
Pin level pulse
pin level
>500ms
"7A 7D 7E
" character. In configuration mode, when the
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E180-ZG120B User Manual
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