CTSC - or letter 200 series PLC and COPANEL touch screen in the application of cold hot water unit design - air cooled Industrial control -

Cold air cooled ( Hot) Water is a type of central air conditioning units, common cold water temperature between 7 ~ 12 ℃, by fan coil or combination air conditioner after processing terminal system, enter indoor air cooling temperature between 15 to 22 ℃, make the person feel fully comfortable central air-conditioning.

implement the working process of the management system of air conditioning systems and the composition, operation conditions such as centralized monitoring, control and management, to realize the intellectualized operation and management of the whole system has become the trend of development, and achieve the function of the distributed monitoring and centralized management, making the entire air conditioning system to achieve the highest efficiency and precise control level, creating economic and efficient energy management system.

a, system working principle and technological process of most of the air conditioning load as the central air conditioning load in shopping malls, hotels and industrial water chiller load used in the production line, dynamic, always, in order to adapt to the change of the dynamic load use multiple compressor or multiple units and by artificial judgment decided to open the unit ( Open the compressor is to judge by the controller) The number.

group control of air conditioning system:

power element being ( The pump) ;

axial flow fan being

fostered compressor;

a condenser being;

being in and out of the water pipe and fan coil units and air tank, etc. ;

module control system of the unit being;

fostered group control system module unit control system of wind cold ( Hot) Water units generally equipped with a fixed single chip microcomputer controller, easy to operate, can local control. Usually a module units has 3 to 8 units units parallel composition, control system to control multiple unit module units start, stop, according to user need cold, Hot) Quantity, provide the corresponding temperature cold ( Hot) Water, energy of the adjusting range is extensive, very energy saving.

group control system by monitoring PC, CTSC 200 series PLC, 4 sets of air conditioning unit module and related sensors.

group control system diagram is as follows:

2, electrical system control program control system adopts TrustPLC CTSC - 200 PLC and letter of COPANEL touch screen.

3, system requirements and control key points 1) System requirements have 3 communication port, ordinary small PLC can not meet the requirements;

2) System for modular units adopt centralized management, a distributed control;

3) PLC and communication module unit distance is far, to standardize connection line;

4) Loading or unloading unit must strictly according to the technological process, or you will make the water pipe broke cause machine damage;

5) In order to adapt to the change of terminal using dynamic load, can automatic unloading air conditioning unit, achieve the requirement of energy conservation and environmental protection.

4, summarizes the group control of cold air cooled ( Hot) Water unit is generally installed in the outdoor, for the convenience of wiring, the centralized control cabinet are installed in outdoor, environmental temperature change is big, the electrical environment is complex, the PLC controller products have the characteristics of lightning protection, moisture, high temperature resistant, etc.

TrustPLC CTSC - The 200 series PLC unique CPU216 - three communication port 2 bd, integrates a PPI, a PPI/free communication port, a free communication, very good to satisfy the centralized management of the group control system, the requirement of the distributed control, greatly reduce the overall project cost, improve the performance of the product.

technology zone for PLC, H01ZB module and PC2ZB module, in the parking lot CTSC - control system design and the application letter 200 series PLC and COPANEL touch screen in the application of hot and cold water unit set CO - air cooled TRUST series PLC controller application in the automatic fire water system design for sea C16S2R series PLC in the control system of the JDWT quantitative packaging application design of Siemens product box industrial PC 427 d, the third generation of Intel - architecture Corei processor
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