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▼產(chǎn)品詳情:1746-NI16I 是一款模擬輸入模塊 屬于-20至20毫安的電壓類別

Allen Bradley 1746-N16l是一款模擬輸入模塊，具有16位分辨率和16個(gè)輸入通道。該模塊屬于-20至20毫安的電壓類別。其背板電流在5伏時(shí)為125 mA，而24伏時(shí)為75 mA。其底板功耗最大為2.425瓦(在5伏DC下為0.625瓦，在24伏DC下為1.8瓦)。相對(duì)于模擬公共端子，該模塊的共模電壓范圍為+/-10.25伏。

該裝置的相對(duì)濕度為5%至95%,無(wú)冷凝。其工作溫度范圍為-25至60攝氏度(-13至140華氏度)，而其非工作溫度位于-40至85攝氏度(-40至185華氏度)之間。其輸入阻抗為249;其最大電壓輸入為模擬公共端和任何輸入端之間的8伏，最大電流輸入為30毫安。該模塊的散熱為2.43瓦，該模塊的AIFM連接器為25針D型外殼。在機(jī)箱中安裝模塊時(shí)，沒(méi)有必要從模塊中移除端子板。但是，如果拆除了端子板，請(qǐng)使用端子板旁邊的標(biāo)簽來(lái)識(shí)別模塊的位置和類型。

模擬輸入用于連接模擬過(guò)程變量，以測(cè)量其大小。它主要用于監(jiān)控或用作閉環(huán)控制系統(tǒng)的反饋信號(hào)，以利用控制方法(通常為比例-積分-微分(PID)篁法)實(shí)現(xiàn)手動(dòng)或自動(dòng)控制。沒(méi)有這個(gè)反饋信號(hào)，自動(dòng)控制就不能完全實(shí)現(xiàn)。

也可以定義其他參數(shù)來(lái)微調(diào)模塊的操作。它有一個(gè)用戶可選的數(shù)據(jù)格式，如工程單位、PID比例、范圍為-32，768至+32，767的比例計(jì)數(shù)和用戶定義范圍的比例計(jì)數(shù)，僅限3級(jí)。該模塊還具有檢測(cè)輸入通道開(kāi)路的功能。模塊的啟動(dòng)時(shí)間小于5秒。將信號(hào)連接到模塊時(shí)，推薦使用Belden #8761電纜或任何等效電纜。使用14 AWG的最大電線尺寸。每個(gè)端子最多可端接兩(2)根電線。建議這樣做，以避免混亂和關(guān)閉模塊門的困難。

這種高分辨率模擬輸入模塊有5個(gè)綠色狀態(tài)指示器，每組4個(gè)通道一個(gè)，模塊狀態(tài)一個(gè)，提供關(guān)于模塊狀態(tài)和通道操作的視覺(jué)指示。

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Product introduction

Product Details: The 1746-NI16I is an analog input module in the voltage category of -20 to 20 MA

The Allen Bradley 1746-N16l is an analog input module with 16-bit resolution and 16 input channels. The module falls into the voltage category of -20 to 20 MA. Its backplane current is 125 mA at 5 volts and 75 mA at 24 volts. Its bottom plate power consumption is up to 2.425 watts (0.625 watts at 5 volt DC and 1.8 watts at 24 volt DC). This module has a common-mode voltage range of +/-10.25 volts relative to analog common terminals.

The relative humidity of the unit is 5% to 95%, and there is no condensation. Its operating temperature ranges from -25 to 60 degrees Celsius (-13 to 140 degrees Fahrenheit), while its non-operating temperature is between -40 and 85 degrees Celsius (-40 to 185 degrees Fahrenheit). Its input impedance is 249; The maximum voltage input is 8 volts between the analog common end and any input, and the maximum current input is 30 mA. The module has a heat dissipation of 2.43 watts and the module's AIFM connector is a 25-pin D-housing. When installing a module in the chassis, you do not need to remove the terminal board from the module. However, if the terminal board is removed, use the label next to the terminal board to identify the location and type of the module.

Analog inputs are used to connect analog process variables to measure their size. It is primarily used for monitoring or as a feedback signal for closed-loop control systems to achieve manual or automatic control using a control method, usually the proportional integral-differential (PID) bamboo method. Without this feedback signal, automatic control cannot be fully implemented.

Other parameters can also be defined to fine-tune the module's operation. It has a user selectable data format such as engineering units, PID scale, scale counts ranging from -32,768 to + 32,767, and scale counts for user defined ranges, with 3 levels only. The module also has the function of detecting the open input channel. The startup time of the module is less than 5 seconds. The Belden #8761 cable or any equivalent cable is recommended when connecting the signal to the module. Use a maximum wire size of 14 AWG. Each terminal may be terminated with a maximum of two (2) wires. This is recommended to avoid confusion and difficulty in closing the module door.

This high resolution analog input module has five green status indicators, one for each set of four channels and one for the module status, providing visual indication of the module status and channel operation.

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● The quality of all sold products is guaranteed for one year, if there is a quality problem, we can give you a replacement or return.

● We are the largest supplier of industrial control products in China, if you need other types of products, please contact us, we will reply to you immediately.

● If you buy more than one, we will give you a discount, if you receive the price, please contact us, we will try our best to make you satisfied, our customers come from all over the world, welcome to China.

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