基本細(xì)節(jié):

8290-195 控制模塊 作為超速保護(hù)器使用

8290-195是一種控制模塊、轉(zhuǎn)速控制器、調(diào)速器和電源模塊。它還可以作為超速保護(hù)器使用。它是由美國的伍德沃德公司生產(chǎn)的，該公司擁有130多年的發(fā)動機(jī)控制器設(shè)計(jì)和制造經(jīng)驗(yàn)，并廣泛應(yīng)用于航空、工業(yè)發(fā)動機(jī)、透平和發(fā)電控制等領(lǐng)域。
WOODWARD 8290-195是一種12V等時電動調(diào)速器 (EPG)控制器，用于柴油機(jī)，其速度范圍為3000 Hz至6000 Hz，沒有啟動燃料限制。EPG系統(tǒng)特別適用于沒有機(jī)械傳動或液壓油供給的調(diào)速器和具有低質(zhì)量、低摩擦燃油連桿的主動機(jī)。EPG Model 512/1712適用于12V系統(tǒng)，Model524/1724適用于24V系統(tǒng)。此外，還提供了四種磁感應(yīng)頻率范圍的轉(zhuǎn)速控制器，適用于柴油機(jī)和燃?xì)廨啓C(jī)，或汽油和燃?xì)獍l(fā)動機(jī)。
8290-195光電編碼器是集光、機(jī)、電技術(shù)于一體的數(shù)字化傳感器，主要利用光柵行射的原理來實(shí)現(xiàn)位移。一數(shù)字變換，通過光電轉(zhuǎn)換將輸出抽上的機(jī)城幾何位移量轉(zhuǎn)換成脈沖或數(shù)字量的傳感器，典型的光電編碼器由碼盤、檢測光柵光電轉(zhuǎn)換電路( 包括光源、光敏器件、信號轉(zhuǎn)換電路)、機(jī)械部件等組成。光電編碼器具有結(jié)構(gòu)簡單、精度高、壽命長等優(yōu)點(diǎn)，廣泛應(yīng)用于精密定位、速度、長度、加速度.振動等方面。這里我們主要介紹SIMATIC S7系列高速計(jì)數(shù)產(chǎn)品普遍支持的增量式編碼器和絕對式編碼器1.2增量式編碼器增量式編碼器提供了一種對連續(xù)位移景離散化、增量化以及位移變化(速度)的傳感方法。增量式編碼器的特點(diǎn)是每產(chǎn)生一個輸出脈沖信號就對應(yīng)于個增量位移，它能夠產(chǎn)生與位移增量等值的脈沖信號，增景式編碼器測景的是相對于某個基準(zhǔn)點(diǎn)的相對位置增量，而不能夠直接檢測出編對位置

The 8290-195 is a control module, speed controller, governor and power module. It can also be used as an overspeed protector. It is produced by the Woodward Company in the United States, which has more than 130 years of experience in the design and manufacture of engine controllers and is widely used in aviation, industrial engines, turbines and power generation control.
WOODWARD 8290-195 is a 12V isochronous electric governor (EPG) controller for diesel engines with a speed range of 3000 Hz to 6000 Hz with no starting fuel limit. The EPG system is particularly suitable for governors with no mechanical transmission or hydraulic oil supply and drivers with low-mass, low-friction fuel linkages. The EPG Model 512/1712 is suitable for 12V systems and the Model524/1724 is suitable for 24V systems. In addition, speed controllers are available in four magnetic induction frequency ranges for diesel and gas turbines, or gasoline and gas engines.
The 8290-195 photoelectric encoder is a digital sensor integrating optical, mechanical and electrical technology, which mainly uses the principle of grating line emission to achieve displacement. A digital conversion, through the photoelectric conversion of the output of the machine city geometric displacement into a pulse or digital sensor, a typical photoelectric encoder by the code disk, detection grating photoelectric conversion circuit (including light source, photosensitive devices, signal conversion circuit), mechanical components, etc. The photoelectric encoder has the advantages of simple structure, high precision, long life and so on, and is widely used in precision positioning, speed, length and acceleration. Vibration and so on. Here we mainly introduce the incremental encoders and absolute encoders commonly supported by SIMATIC S7 series high speed counting products. 1.2 Incremental Encoders Incremental encoders provide a method for discretization, increment and displacement change (velocity) sensing of continuous displacement. The characteristic of the incremental encoder is that each output pulse signal is corresponding to an incremental displacement, and it can produce a pulse signal equivalent to the displacement increment. The augmented encoder measures the relative position increment relative to a certain reference point, but cannot directly detect the encoding position

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