ABB PM891 3BSE053240R1 Highest Level DCS Controller

ABB PM891 3BSE053240R1

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Xiamen Xiongba E-commerce Co., Ltd

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Contact: Amy Sun


Address: Unit 2008, Chuangxiang Center, No. 1733, Luling Road, Siming District, Xiamen, Fujian

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Simon Zhang
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ABB PM891 3BSE053240R1 Highest Level DCS Controller

ABB PM891 3BSE053240R1 The traditional electric actuator has the features of simple use and saving investment, which has been widely used in the production process control system of electric power, metallurgy, petroleum, light industry and other fields. China’s electric actuators and servo amplifiers are unified design in the 1960s, and there has been no major innovation in technology for more than 30 years. This kind of electric actuator control ability is poor, maintenance, connecting cable, difficult to meet the needs of China’s industrial automation level.

ABB PM891 3BSE053240R1 most of the electric actuators supporting the servo amplifier is usually composed of input isolation amplifier circuit, comparison, trigger circuit and power output circuit. The input is generally isolated by a coil, and then amplified by a magnetic amplifier; the comparison circuit is generally composed of discrete components of the voltage comparator, the trigger circuit is triggered by the Tachyon oscillation triggering circuit, its stability and reliability are poor.

The power output circuit of ABB PM891 3BSE053240R1 is a thyristor output circuit, the servo motor speed is fixed, and the output positioning effect is poor. This kind of electric actuator can not obtain some characteristic parameters in the control process, which makes the control accuracy and reliability are not high, and the input signal is only one kind, such as current or resistance, and then the detection signal is compared with the input signal, and the control signal obtained from it is sent to the driving circuit to control the displacement output of the actuator