2) The LED indoor screen will be installed in the crossing of the carport.
3) The outdoor screen will be installed in the entrance of carpark space or other outside places.
Firstly, ultrasonic detector takes use of ultrasonic wave to detect the parking space to see if it is occcupied and transfer the relative commands to LED indicator which will turn from green to RED when occupied, or it will turn GREEN.Meanwhile, the UD transmits its status message to ZCU immediately. and ZCU will collect and forward the information to CCU. CCU processes these data and sends the relevant commands to ZCU and LED panel.
3.Physical Parameter:
Working Temperaure -20~+80°C
Working Voltage AC 110~220V
Supply Frequency 50~60HZ
Communication Way RS-485
Communicaition Rate 4800bps
Distance ≤1000m
4. We have the successful cases in CHINA:
9) March, 2008 2100cars Taipei Taipei Municiple Carpark
10) April, 2008 1200cars Singapore City Squire Mall
11) April, 2008 300cars Wuxi YaoHan Department Store
12) April, 2008 310cars Indonisia Cambrige city square of Medan
13) May, 2008 200cars Changchun Chapter Shopping Center
14) May, 2008 700cars Tianjing Railway Station
15) May, 2008 200cars Weifang Jialejia Supermarket
16) May,2008 1000cars Beijing SOLANA Lifestyle shopping park