PET plastic-steel production line is with a high degree of integration of electromechanical equipment, to increase the degree of automation systems, operation stability, operability and maintainability, we are based on mature technology and software development experience, experience on the whole of the below production line Electronic Control description.
1, the temperature control system design features:
A. Selection of all power devices are standard solid-state relay and maintaining very convenient.
B. function of the heating rallied together, the group stopped functional, easy to operate.
C. temperature control all the settings were to be a historical temperature data records, which can effectively prevent unauthorized revision process parameters.
D. All are doing the actual temperature records historical data to facilitate the investigation and technology issues. Color temperature deviation alarm function, it may unusual temperature points.
E. actual output are doing all historical data records, color output power deviation alarm, convenient heater and determine whether the abnormal temperature detection devices, effective way to avoid the high or low temperature.
F. hand without beating automatic switching, control more coherent.
G. temperature measurement 2:00 correction function effectively overcome sensor measurement error.
H. control parameters mandated open to facilitate system debug and optimization.
I. imminent distribution heating and cooling functions of the allocation, since the development of software, can avoid both heating and cooling and waste of energy.
J. Longitudinal pull far infrared system uses closed-loop control can effectively avoid grid voltage fluctuations caused by the actual heating power fluctuations.
2, speed control system
Speed control is the whole line control system is critical in the speed control system configuration choices, we are familiar with the driver stops on the basis of functional requirements of the best configuration. The governor on the use of a large amount of accumulated practical experience, can maximize their drive functions. In fact, the speed control system is the most critical of several speed chain design, which we have unique experience in the design, the design of a fully independent function block, stability control can be extrusion pressure to pull longitudinal stability and cast films Quick follow control, can reduce the speed to follow due process arising from the volatility of thickness changes. In addition rate system also has the following characteristics: a. all the speed and speed-driven currents are to be a historical record data for the purposes of the driver stops running state.
B. motor and pump are automatically Commitment can also separate Commitment, simple operation, easy maintenance, while also saving energy.
C. All the tension pressure data to be a historical data records, facilitate the analysis of its controlled circumstances.
D. All of the speed ratio values were set to be a historical data records, which can effectively prevent unauthorized revision process parameters.
3, the Process Control Section
The production line process control system design good or bad decision can be largely controlled and safety. We have many years experience of production lines for the business, are very familiar with the production process, to meet the technological requirements of the more simple manipulation from the perspective of improving the operational system, which is often reflected in some of the details.
4. In the main control screen design, after several design updates, features more complete, the following aspects of characteristics:
A. Physical screen with a high degree of unanimity, to quickly grasp new staff system.
B. column heading alarm function is conducive to rapid unusual point.
C. standardized color design, showing clearly and effectively ease the visual fatigue.
D. uniform operating methods, the key operation using secondary confirmation, effectively avoiding misoperation.
E. rich suggested that the operation to facilitate self-learning.
F. process parameters printing and archiving capabilities to facilitate process management.
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