Direct Digital Controller System Model Number DDC-System DDC is the abbreviation of direct control, First, it processes analog and digital values such as current temperature or humidity, which are the necessary information to control the system. Then, it compares such values to the numbers that the user has input, and operates the whole system to achieve the desirable temperature or humidity. Feature Technical Support We will provide you all available instruction and software of DDC controller, and also teach you how to operate the controller. Key-pad and window display DDC Key-pad and window are both accessible in English and Korean Powerful Controller It is a powerful controller that can be used in a variety of facilities Customer-oriented controller It is a customer-oriented Firmware OS program controller which can be easily programmed in wide application Modem It lets the user to communicate to customer's building and service network with modem 2 Line Communication The user can choose either of RS-232 or RS-485 Communication method Specification (DDC Main Controller) Classification Contents General Specification Power source AC220V 50/60 Hz Power Consumption 24W Temp, Humidity range 0~60OC, 0~95% Size and weight 226X150X75mm, 2kg Input/Output Digital Analog Input 16EA(standard) Digital multi input 15EA, On/Off Analog PT 100 10EA, -50~20OC Digital Output 16EA, On/Off AC24V Analog output 8EA, 0~10V or 4~20mA(up to 4EA) Communication Net-Work 256EA Format Rs-232, Rs-485,TCP/IP(Option)/RS-232, RS485(1/2 duplex) Baud rae 2400,4800,9600,19200 bps(Auto) Range Maximum, 1.2 km