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= **1 Introduction** = |
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* The LX3V-4AD special module has four input channels. The input channels receive analog signals and convert them into a digital value. This is called an A/D conversion; the maximum resolution is 16 bits. |
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-* The selection of voltage or current based input/output is by user wiring. Analog ranges of -10 to 10V DC (resolution: 5mV), and/or 4 to 20mA, 0 to 20mA (resolution: 20µA) may be selected. |
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+* The selection of voltage or current based input/output is by user wiring. Analog ranges of -10 to 10V DC (resolution: 5mV), and/or 4 to 20mA, -20 to 20mA (resolution: 20µA) may be selected. |
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* Data transfer between the LX3V-4AD and the LX3V main unit is by buffer memory exchange. There are 32 buffer memories (each of 16 bits) in the LX3V-4AD. |
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* LX3V-4AD consumes 5V voltage from LX3V main unit or active extension unit, 90mA current of power supply. |
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**High-speed conversion by changing A/D conversion time in a program** |
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-**[[image:6.3-图片1.png]]** |
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+[[image:/bin/download/Expansions/1%20Module/Analog/LX3V-4AD/WebHome/6.3-%E5%9B%BE%E7%89%871.png?rev=1.1||alt="6.3-图片1.png"]][[image:/bin/download/Expansions/1%20Module/Analog/LX3V-4AD/WebHome/6.3-%E5%9B%BE%E7%89%871.png?rev=1.1||alt="6.3-图片1.png"]][[image:/bin/download/Expansions/1%20Module/Analog/LX3V-4AD/WebHome/6.3-%E5%9B%BE%E7%89%871.png?rev=1.1||alt="6.3-图片1.png"]][[image:/bin/download/Expansions/1%20Module/Analog/LX3V-4AD/WebHome/6.3-%E5%9B%BE%E7%89%871.png?rev=1.1||alt="6.3-图片1.png"]][[image:/bin/download/Expansions/1%20Module/Analog/LX3V-4AD/WebHome/6.3-%E5%9B%BE%E7%89%871.png?rev=1.1||alt="6.3-图片1.png"]]**[[image:6.3-图片1.png]]** |
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))) |
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Writing K10 to BFM#15 and set conversion time of all channels as 3ms. |
