COMPOSITE CONTROL SYSTEM
It transfers data through PLC、PROFIBUS-DP bus to control drawworks, rotary table, mud pump and automatic driller, and monitor them by industrial control computer. The integrated driller operation control system adopts the positive pressure explosion-proof technique and conforms to API RP500 criteria. It has the following control functions: making a trip and traveling block position, automatic/manual driller, disc brake and dynamic brake, rotary table speed and torque,
mud pump stroke, as well as mechanical, electrical, hydraulic and pneumatic PLC programmable.
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