2MLP-DC42 IO模块 控制器

2MLP-DC42 IO模块 控制器

模拟量输入输出模块的模拟量是表示一定范围内连续变化的任意值，是与数字量相反的状态表示。通常用模拟量来采集和表示事物的电压、电流或频率等参数。驱动硬件输出和相关数据通道，根据运行模式选择当前设定值，或根据需要反转，并将结果提供给硬件输出或软件输出。

这是模拟星输入模块。模拟输入模块是一种智能模块，可以采集电压、电流、热电偶、热阻、温度等模拟值，并通过485总线传输给计算机。模拟输出模块的主要功能实际上是将输入的数字信号转换成数模，输出可调的连续电压、电流和信号。

比如在电视控制块中对各种模拟量的控制，如果以伴音为例，先将遥控器或按键扫描发出的脉冲数字信号输入到控制块中，经过模拟输出模块的数模转换后，输出可随输入信号变化的连续电压信号，然后利用该信号控制伴音通道，从而控制音量、亮度和对比度。此外，模拟量输出模块不仅用于这些地方，现在还广泛应用于各种智能中。

2MLP-DC42 IO模块 控制器

Analog quantity The analog quantity of the input and output module is an arbitrary value that represents continuous changes within a certain range, and is the opposite of the state representation of the digital quantity. Analog quantities are often used to capture and represent parameters such as voltage, current, or frequency of things. Drive hardware output and related data channels, select the current set value according to the operation mode, or reverse it as needed, and provide the result to the hardware output or software output.

This is the analog star input module. The analog input module is an intelligent module that can collect analog values such as voltage, current, thermocouple, thermal resistance, and temperature, and transmit them to the computer through the 485 bus. The main function of the analog output module is actually to convert the input digital signal into digital mode, and output adjustable continuous voltage, current and signal.

For example, the control of various analog quantities in the TV control block, if the sound is taken as an example, the first remote control or key scan pulse digital signal input into the control block, after the analog output module digital-to-analog conversion, the output can change with the input signal continuous voltage signal, and then use the signal to control the sound channel, so as to control the volume, brightness and contrast. In addition, analog output modules are not only used in these places, but are now widely used in various kinds of intelligence.

2MLP-DC42 IO模块 控制器

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