摘要：令人难以置信的是，我们周围有多少可编程逻辑控制（PLC）的使我们的现代生活​​和愉快。在我们的家园热机和冷却的空气和水，以及保存和烹调我们的食物。本教程介绍了PLC的重要性，并介绍如何选择Maxim的网站上使用的参数化工具的组成部分。Maxim > Design Support > Technical Documents > Application Notes > A/D and D/A Conversion/Sampling Circuits > APP 4490 Maxim > Design Support > Technical Documents > Application Notes > Amplifier and Comparator Circuits > APP 4490 Maxim > Design Support > Technical Documents > Application Notes > Analog Switches and Multiplexers > APP 4490 Keywords: programmable logic control, PLC, automation, closed loop control, process machine, ADC, DAC, A/D, D/A, parameter, switch, signal chain Mar 29, 2012 APPLICATION NOTE 4490 How Signal Chains and PLCs Impact Our Lives By: Bill Laumeister, Strategic Applications Engineer Mar 29, 2012 Abstract: It is incredible how many progr……