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Action Description As shown in Figure 2-5-1, a sewage tank, which is equipped with two sewage pumps to achieve the discharge and treatment of its sewage, specificallycontrol requirements are as follows: 1) Long pressto startthe button for 3 seconds, the device starts, the operation indicator light Y...
Analog isolator is an electronic component used to isolate analog signals between two circuits to prevent interference between circuits. It usually consists of two analog signal converters, which can convert analog signals into digital signals and then convert them back into analog signals to achiev...
Duringthe maintenance operation of theelectrician,circuitdiagrams always play a crucial role, and it is not an exaggeration to say that thecircuitdiagram is the foundation of the electrician's principles. As the saying goes, a good electrician may not be a great electrician, but an electrician who c...
Reactive powerPowerCompensation cabinet, is three-phase four-wireLow voltageDistributionNetwork to improve the power factor, reduce distributionNetwork line, improveElectricalEquipment utilization is an indispensable important supporting facility. The main low-voltage electrical appliances in the re...
With the rapid development of urbanization and industrial production, the use of gas continues to grow. Therefore, safety issues have become particularly important in the production, storage, transportation and other aspects of gas. Gas is mainly divided into two categories: one is industrial gas, u...
01Accuracy of pressure sensors in the WIKA sample In the WIKA catalog, the accuracy of the pressure transmitter is marked as follows: Yesterday a student asked, what does the suffix FS mean for 0.125%FS? Let’s talk about this issue today. 02The meaning of full scale accuracy and reading accuracy Rea...
With the increasing awareness of global environmental protection , lead-free has become an important trend in many industries. As a high-performance sensor, the lead-free oxygen sensor has the environmental advantage of being lead-free. It has been widely used in various fields such as industry and ...
PLC reading analog signals must have an analog input module, which is often called an AI module. Commonly used analog quantities such as pressure , temperature , humidity, flow , etc. need to be converted into current signals or voltage signals by a transmitter. Current signals are commonly used 4-2...