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9907-1183? 4–20mA傳感器和PID以及比率/限制器功能
4-20mA傳感器是一種電流環(huán)傳感器，其輸出信號為4-20mA的電流，通常用于工業(yè)控制和自動化系統(tǒng)中，可以檢測溫度、壓力、流量等物理量。PID（比例-積分-微分）是一種控制算法，用于控制系統(tǒng)中的誤差信號，通過調(diào)整比例、積分和微分三個參數(shù)，達(dá)到控制輸出值的目的。比率/限制器則是一種用于限制訪問者對服務(wù)的使用頻率的控制機(jī)制。
在工業(yè)控制系統(tǒng)中，4-20mA傳感器通常與PID控制器配合使用。4-20mA傳感器將檢測到的物理量轉(zhuǎn)換為電流信號輸出，PID控制器根據(jù)設(shè)定的目標(biāo)值與實際值的差異，調(diào)整輸入值直至輸出達(dá)到設(shè)定值。通過這種方式，可以實現(xiàn)對溫度、壓力、流量等物理量的精確控制。
另外，比率/限制器也可以與PID控制器配合使用。比率/限制器可以限制每個API的調(diào)用次數(shù)和最大調(diào)用次數(shù)，從而控制對服務(wù)的使用頻率。這可以幫助API提供者限制對API的訪問頻率，防止濫用，同時保證服務(wù)的穩(wěn)定性和可用性。
總之，4-20mA傳感器和PID控制器以及比率/限制器在工業(yè)控制系統(tǒng)中都有廣泛的應(yīng)用，可以實現(xiàn)對溫度、壓力、流量等物理量的精確控制，并限制對服務(wù)的訪問頻率，保證服務(wù)的穩(wěn)定性和可用性。
9907-1183? 4–20mA傳感器和PID以及比率/限制器功能
The 4-20mA sensor is a current loop sensor with an output signal of 4-20mA of current, which is commonly used in industrial control and automation systems to detect physical quantities such as temperature, pressure, and flow. PID (Proportional Integral-differential) is a control algorithm used to control the error signal in the system, by adjusting the proportion, integral and differential three parameters, to achieve the purpose of controlling the output value. The ratio/limiter is a control mechanism used to limit how often visitors can use the service.
In industrial control systems, 4-20mA sensors are often used in conjunction with PID controllers. The 4-20mA sensor converts the detected physical quantity into the current signal output, and the PID controller adjusts the input value until the output reaches the set value according to the difference between the set target value and the actual value. In this way, precise control of physical quantities such as temperature, pressure and flow rate can be achieved.
Alternatively, the ratio/limiter can be used in conjunction with the PID controller. The ratio/limiter can limit the number and maximum number of calls per API, thereby controlling how often the service is used. This can help API providers limit the frequency of API access and prevent abuse, while ensuring the stability and availability of the service.
In short, 4-20mA sensors and PID controllers and ratio/limiter have a wide range of applications in industrial control systems, which can achieve accurate control of physical quantities such as temperature, pressure, flow, and limit the frequency of access to services to ensure the stability and availability of services.
成都陽光不斷創(chuàng)新致力于提升停產(chǎn)的自動化零件供應(yīng)水平，無論客戶身處何地，無論所需配件多么稀有，我們總能將客戶與所需產(chǎn)品緊密連接 ，成都陽光零部件覆蓋廣泛。
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Company Introduction:
Chengdu Sunshine Xihe Co., Ltd. specializes in one-stop procurement consulting for imported industrial spare parts, offering original equipment and professional discontinued parts services. We are committed to providing efficient and reliable automation solutions for our customers. Customer support fast responseThe network of partners spans all continentsGlobal partner networkAlways achieve more delivery, be it parts, service or speed
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