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Programmable Logic Controller – Features
One of the obvious new features is how compact in size PLCs are becoming. PLCs are now about the size of a hockey puck, 4″ H, 4″ W and 2.5″ D. These...
Eugene Kowch
12 articles
HOMETOYS
PLC’s – Analog Values
Many homes and offices require more than simple on/off control. They must deal with temperature, gas/water meters, and sump levels, which vary in a...
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PLC – Memory Backup
User data memory, user program memory and system configuration memory on a Programmable Logic Controller (PLC) can be backed up in any of four...
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PLC – Web Server
HyperText Transfer Protocol (HTTP) is a standard Client/Server Internet protocol that transfers web content over a TCP/IP network. The Programmable...
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PLC – Date/Time Schedule
The programmable logic controller (PLC) is an all-in-one control solution for residential applications. The PLC gives the homeowner that additional...
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PLC – Bang & Olufsen Remote
The programmable logic controller (PLC) interfaces with any electrical device. In a home, these devices are typically lights, motorized blinds...
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PLC Touchpanels
A touchpanel is a video screen with software buttons that allows a homeowner to control audio, video, lights, drapes, and any other electrical...
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PLC Data Types
With any PLC (Programmable Logic Controller) system, you generally have many different types of data to process. For example keypad button inputs...
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PLC Registers
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...
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Volume Control with Prog Logic Controller
Home audio systems are becoming more and more important to new homeowners. They have AM/FM receivers, CD players, satellite/cable, and even the...
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Volume Control with Prog Logic Controller
System integration is becoming an important issue in the home automation scene. New homes have a number of systems: security, heating, lighting...
HOMETOYS
PLC Applications
In the February 1997 issue of HTINews was an introductory article on programmable logic controllers (PLC). In that article the system hardware was...