Zone Controller Zone controller (also named as data collector) serves as a bridge and plays an important role in keeping a safe, steady and efficient system. Zone controller segments ultrasonic sensors into groups and optimize network communication, checks detect status and transmits all concerning information to the center processor. Technical Specification of Data collector£º Working Voltage £ºDC24V Output COM £ºRS485(1),RS485(2) Peak Current £º150mA Max. Transmission Range £º¡Â1000m Frequency £º4800Mps Communication Connector £ºRS485 Working Temperature £º25¡70 Rs485 (1) is connected to the center processor while Rs485 (2) is connected to LED screens and detect sensors.