by Eugene Kowch | Oct 1, 2003 | Uncategorized
If you are a new programmable logic controller (PLC) user, you will find that each PLC manufacturer has their own conventions on the use of numbers. PLCs store and manipulate numbers in binary form: ones and zeros. Numbers typically represent a size or amount of...
by Eugene Kowch | Dec 1, 2002 | Uncategorized
System integration is becoming an important issue in the home automation scene. New homes have a number of systems: security, heating, lighting, drapery, audio, video, etc. Each system has its own controller and takes care of its own I/O (Inputs and Outputs). At...
by Eugene Kowch | Oct 1, 1997 | Uncategorized
In the February 1997 issue of HTINews was an introductory article on programmable logic controllers (PLC). In that article the system hardware was explained, Input and Output Units (I/O) and the Central Processing Unit (CPU). This article will discuss the application...
