PR6423/101-101 CON031 軸振傳感器epro

產(chǎn)品詳情資料

DCS系統(tǒng)是如何接地的

接地分類

 電子設(shè)備中“地”通常有兩種含義：“大地”和“系統(tǒng)基準(zhǔn)地”。

 “大地”是指系統(tǒng)的金屬外殼、線路等通過接地線或接地板等接地裝置與大地相連，這里討論的接地技術(shù)均指接大地。

  “系統(tǒng)基準(zhǔn)地”是指信號回路的基準(zhǔn)電位導(dǎo)體(如控制系統(tǒng)的直流零伏導(dǎo)體等)，簡稱系統(tǒng)地。這時接地的含義是指單元、裝置內(nèi)部各部分電路的信號返回線與基準(zhǔn)電位導(dǎo)體之間的連接，接地的目的是為了給系統(tǒng)各部分提供穩(wěn)定的基準(zhǔn)電位。

   DCS系統(tǒng)中有許多需要接地的部分。由于回路性質(zhì)和接地目的的不同，需要分成若干獨立接地子系統(tǒng)，然后連在一起實行總接地。

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英文產(chǎn)品詳細(xì)信息

Product function:

A sensor is a detection device that can sense the measured information and transform it into electrical signals or other required forms of information output according to certain rules, in order to meet the requirements of information transmission, processing, storage, display, recording, and control.

People must rely on sensory organs in order to obtain information from the outside world. However, relying solely on people's own sensory organs is not enough to study natural phenomena and laws, as well as their functions in production activities. To adapt to this situation, sensors are needed. Therefore, it can be said that sensors are an extension of the human five senses, also known as the electrical five senses.

Main characteristics of sensors

The characteristics of sensors include miniaturization, digitization, intelligence, multifunctionality, systematization, and networking. They not only promote the transformation and upgrading of traditional industries, but also may establish * * * industry, thus becoming a new economic growth point in the 21st century. Miniaturization is based on microelectromechanical systems (MEMS) technology and has been successfully applied to silicon devices to make silicon pressure sensors.

When PR9373/010-011 uses the Peak hold function, the speed will be stored. This command can reset the value when "Reset Latch" (d20) is grounded.

Features:

Used for measuring vibration

·Working temperature up to 200 ° C

Easy to install

high sensitivity

Durable housing suitable for industrial applications

Waterproof protection level: IP 55 resp IP 65

Two frequency ranges: 10 Hz -1000 Hz 4 Hz -1000 Hz

Connection safety barrier (zone 1) explosion-proof level EEx ib II B/II C

It is part of the monitoring and protection system for MMS 6000 and MMS 3000 rotating machinery

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