Abstract:

The paper transforms the underground drainage pump station via PLC drainage system , makingit a remote-control system from one with manual attendance. The system structure , equipment selection,control process and system functions are described. The signal connection and parameter setting of PLC equipment are given for the key equipment controlled by the water pump. After the implementation of thesystem , it can improve the operation performance of the equipment, reduce the human resource cost, im-prove the management efficiency, and provide technical guarantee for enterprises to reduce personnel andincrease efficiency.

Key words:  pump station, PLC, frequency converter, mine drainage, remote control of drainage