Digital electric liquid automatic controls

The utility model provides a digital electric liquid automatic controls, includes hydraulic control system, blind controller system, blind controller system includes switching power supply, PLC controller, AD module, DA module, the drive of servo proportional valve, mother board, liquid crystal touc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TANG HOUWANG, ZOU SHUILIANG, HUANG ANPING
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model provides a digital electric liquid automatic controls, includes hydraulic control system, blind controller system, blind controller system includes switching power supply, PLC controller, AD module, DA module, the drive of servo proportional valve, mother board, liquid crystal touch screen, the PLC controller passes through communication mode with AD module and DA module and is connected, PLC controller output connects liquid crystal touch screen through RS232, the module is in order to assemble the structrual installation. Each the control unit modularized design is handled by PLC, has realized the digital design of control system, has good stability, and control accuracy is high, and sensitivity is high, and the operation is reliable, keep in repair simple and conveniently, with low costs, and the debugging is simple, and the characteristics of operating be convenient for can be used to do among the petrochemical catalytic cracking unit electric liquid automatic control