Unilumin ULW III, Product Manual

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Chapter 2 Installation and Wiring
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2.4.4 Smart Control Distribution Box
The Smart Control Distribution Box can be used for distributing electric power to
the LED display, and has the function for real-time monitoring of the temperature,
humidity, smoke, and mains voltage of the external environment. The control software
has the scheduled start/stop function, allowing you to set any time for the LED display
to be remotely started or stopped.
Fig 2-28 Internal Structure of Distribution Box
SN Component Remark (s)
1 Main switch MCCB
2 Temperature sensor Used for temperature detection
3 PLC Used for smart control
4 Relays Used to control the ON/OFF of the AC contactor
5 Circuit breaker MCB,Connect to display live wire
6 Neutral wire socket Connect neutral wire
7 Power Port /
8 AC Contactor Used to control the ON/OFF of the current
9 Earth wire socket Connect earth wire