PLC - Memory Map

The memory is divided into three parts: program, word and discrete registers. The program (ladder logic) and word registers are usually stored in FLASH memory, while the discrete registers are stored in RAM memory.

Sound Solutions for Wireless Woes

Several new technologies will improve the range and speed of wireless networks, with a combined effect of 10,000 times the capacity of dialup 56 Kbps modems. With such advancements, networks that use radio signals for communication could replace most of the network cabling we now use. How real is this promise? When will we see it? And what will it mean for equipment manufacturers, service providers, homebuilders, and homeowners?

THE NETWORKED HOME

With predictions that there will be more than 28 million networked homes in the US by the end of 2008 (CyberAtlas), it is possible that traditional technology such as the VCR and the set-top box will gradually disappear and be replaced by all-encompassing home networks.

Thinking Inside the Box

Almost every SOHO and small business is limited by three things; time, money and space; and at the end of the day what they really want is an IT environment that allows them to do their work.

WWL - Wiring Without a License

Naturally the Integrators who have been out there for a few years kind of like the free-wheeling Old West environment of the Low Voltage Industry. Like the Old West this will not last forever, standards have risen to the surface. Not so new concepts will begin to take on larger meaning.

X10 Automated Outdoor Lighting

It took a while, but I figured a way to solve my needs to "smartly" control my outdoor lighting with X10 that I'd like to share. Basically, I found a way to get different modes of control for my unintelligent outdoor sensors based on time of day periods.

Connected by Design

What really differentiates the house is not all these interesting parts, but why real families would likely use them. And the fact that they are put together in a really attractive home-but one that is not "over the top". Real people could afford to enjoy living here.

Dealers Revenue to Reach $5.7B

Continued growth of new construction coupled with consumer demand for the latest entertainment systems is driving sales through installing dealers to grow 8% in 2003 over 2002. The results of Parks Associates latest survey of the channel indicate that next year looks even better with nearly 60% of dealers expecting their businesses to grow more than 10% in 2004.

Home Automation at the Gordon Residence

None of this would have been possible without the Homeseer product and the continuous excellent support supplied by them and the army of dedicated sharing users that have flocked around the product.

PLC Data Types

There are basically two types of data; discrete and word data. Discrete data is one bit that can be either a '1' or a '0'. Discrete data is used for keypad button inputs and lighting circuit outputs. Word data is 16-bits that represent a fixed or variable number. For example, word data is used for interval timers and any other mathematical calculations.

The Heat is on!

After the successful integration of ProSystÂ's OSGi-based software, the oven will be remotely controllable and maintainable within the house. A web pad could, for example, be used in order to set or change the ovenÂ's baking heat or time. Remote control is made possible via the power supply, so that no new wires have to be installed.

CEDIA 2003 - HomeToys Report

Clearly, CEDIA offers something for everyone in outfitting a home with the latest in entertainment gear. You will be seeing flat panel TVs in more and more settings in the home. And they will increasingly be HD compatible.

CEDIA EXPO 2003 - News Report

Special Show News Report for Cedia Expo 2003

Connected Homes: European Perspective

When you look at the suited technologies, the products and services that are available, and at the determination of the major players to be active, you can only conclude that in Europe, at least we are likely to witness, in the short term, the beginning of a high-growth period in many segments of the market for the Connected Home.

Home Automation on the PC

There is no doubt that one of the next technological frontiers is home automation. The really big question is, once we can do everything we want to do, will it be done with a discrete panel or will it be an application developed for the PC. This article discusses home automation, what's available for the PC today, what we can do and what we can't.

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