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在田坝电站拦污栅监测系统中,采用可编程 PLC 与超声波物位计结合构成可编程超声波物位计,测量栏污栅压差,并将测量信号上传到中控室完成显示和报警,提高了测量精度和事故报警准确性,解决了田坝电站拦污栅压差自动监测的问题。
In Tianba power plant trash rack monitoring system, programmable PLC and ultrasonic level meter combined to form a programmable ultrasonic level meter to measure the pressure field fence gate pressure, and the measured signal is uploaded to the control room to complete the display and alarm, improve The accuracy of the measurement and the accuracy of the accident alarm solved the problem of automatic monitoring of the pressure difference of the trash rack in Tianba Hydropower Station.