User Manual

Table Of Contents
User Manual
© 2008-2021 Seeed Technology Co., Ltd. All rights reserved. solution.seeedstudio.com
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Key Features:
Support collection of various environmental data simultaneously (up to 32 sensors with four RS485 interfaces
and splitters)
Support using with standard Modbus-RTU RS485 sensors
Strong compatibility, supporting both 5V and 12V to power the sensors
The device supports offline data caching at least 10000 measurements. When the communication signal is poor
or disconnected, the data is cached locally until the communication resumes and then uploads the cached data
to the server
Support GPS function to real-time fixed-point monitoring
Two types of power supply available: DC wall power, solar power
Ultra-low power consumption: with the built-in 6Ah lithium battery, when the solar power is insufficient or
power outage, the equipment can work for more than two weeks (when measuring 7 parameters)
Easy to install and deploy, without requirements of engineering background
Easy to maintain, supporting OTA for remote updates
Industrial-grade Environmental Tolerance: working temperature supporting -20 ~ +60
IP66 rated, resistant to UV and rain erosion, suitable for outdoor applications
System Architecture: