Direct Digital Controller System
- Company Name:Seungil Electronics
- Membership:Free Member
- Member Since:1999. 10.14
- Country/Region:Korea
- City:Gyeonggi-do
- Contact:Sangjin Byun
- Related Keywords:digital controller system, DDC, HVAC, HVAC Control
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Seungil Electronics
[Korea]
DDC is the abbreviation of direct digital 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 50/60Hz |
Power consumption
|
24W | |
Temp, Humidity range
|
0~60°C, 0~95% | |
Size and weight
|
226 x 150 x 75mm, 2kg | |
Input/Output
|
Digital Analog input
|
16EA(standard) |
Digital multi input
|
15EA, On/Off | |
Analog PT100â¦
|
10EA, -50~20°C | |
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 rate
|
2400, 4800, 9600, 19200 bps(Auto) | |
Range
|
Maximum 1.2km |
Communication System Bus Net-Work
Dimension
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