|
||
|
Product Alerts
Keep current on the latest products, new suppliers, and technical articles of interest to you. (See Topics) |
|
From Advantech Corporation, Industrial Automation Group
Every day, without thinking about it, we use hundreds of computers in every facet of our lives. Nearly every device with a display or a control in our homes, in our offices, and in our factories, has a computer in it. In our factories this is especially true. This is the age of embedded computing. From wristwatches to cell phones to industrial process control devices, computers control everything. But these devices do not look like computers. They look like wristwatches and cell phones, and industrial displays, controls and even robots. So what does an automation computer look like? Well, it could look like a PLC. "They were always computers," says Dick Morley, who developed the first programmable logic controller. "We called them controllers to keep from scaring the operators." PLCs were developed to replace hard wired relays in factory automation. They were simple to program, relatively easy to use for simple tasks, and were extremely durable. Product Announcements
Topics of Interest
Introduction
For many of us, using a computer for the first time was an amazing experience. We couldn t believe what we saw or what was happening inside that machine. Today, wristwatches, sun...
(Read More)
14.1 Overview
The electronics that perform calculations inside a computer are not all that a computer needs. Calculating an answer and keeping it hidden in memory serves no useful purpose. Thus, all...
(Read More)
Overview
The number of personal portable devices sold each year is increasing rapidly. Cell phones are ubiquitous. Worldwide sales for 2007 are shown in Figure 1.1 [1] . The mobile phone industry is...
(Read More)
To understand the nature of PC-based control, it is useful to look first at its ancestry. For decades, industrial control was executed through a complex array of mechanical relay devices. In the...
(Read More)
Industrial automation is a vast and diverse discipline that encompasses machinery, electronics, software,
and information systems working together toward a common set of goals—increased...
(Read More)
|