摘要： 这是令人难以置信多少可编程逻辑控制 （可编程控制器） 我们周围使我们现代生活可能和令人愉快。在我们的家的机器热和降温我们的空气和水，以及保留和我们的食物煮熟。本教程说明的可编程控制器，重要性，并描述如何选择组件部件马克西姆的网站上使用的参数化的工具。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……