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Universal Radio Communication Tester CMU200 - THE multiprotocol tester for current and future mobile radio networks.pdf

November 20, 2009 · Filed Under Other · Comment  · Tags: ,

Taken from Testing the 3rd generation: The CMU200 is part of a complete range of mobile radio test equipment, encompassing everything from conformance test systems to system simulators, turnkey functional board test / final test systems and simple sales-counter Go/NoGo testers.

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Volvo Penta Workshop Manual Marine engines MD2010A/B/C - MD2020A/B/C - MD2030A/B/C - MD2040A/B/C.pdf

November 19, 2009 · Filed Under Volvo · Comment  · Tags: , ,

This Workshop Manual contains technical specifications, descriptions and instructions for the repair of the following engines in standard format: MD2010, MD2020, MD2030, MD2040.

The Citroën Technical Guide.pdf

November 18, 2009 · Filed Under Citroen · Comment  · Tags:

Taken from Diesel engines: Diesel oil has been a contender to gasoline for many decades. Earlier diesel engines were not refined enough to win the hearts of many drivers but recent advances in technology made these engines not only a worthy competitor in all areas but in some features—fuel economy or low end torque, to name just two—even exceeding the characteristics of their gasoline counterparts. And in addition to the general technological advantages, Citroën’s diesel engines have a widely accepted reputation—even among people blaming the quirkiness of its suspension or other features of being excellent and robust.

The General Motors Solution to Meeting the 2007 Diesel Emissions Standards.pdf

November 18, 2009 · Filed Under General Motors · Comment  · Tags:

Taken from The 2007 Emissions Standards Challenge: All diesel engines produced starting January 1, 2007 must comply with the new regulations that require the reduction of nitrogen oxide (NOx) and hydrocarbons (HC) by 50% and particulate matter (PM) by 90+% over the current 2004 emission standards. Further reductions of NOx, HC and PM will be required by 2010.
Emissions must be reduced in all types of operation, including stop-and-go situations. All diesel engine manufacturers will have to meet these stringent emissions standards, resulting in additional hardware, software and ultimately, higher costs.

Automating Manufacturing Systems with PLCs.pdf

November 9, 2009 · Filed Under Mechanical & Industrial Engineering · Comment  · Tags: , , ,

Taken from PROGRAMMABLE LOGIC CONTROLLERS’s Introduction: Control engineering has evolved over time. In the past humans were the main method for controlling a system. More recently electricity has been used for control and early electrical control was based on relays. These relays allow power to be switched on and off without a mechanical switch. It is common to use relays to make simple logical control decisions. The development of low cost computer has brought the most recent revolution, the Programmable Logic Controller (PLC). The advent of the PLC began in the 1970s, and has become the most common choice for manufacturing controls.
PLCs have been gaining popularity on the factory floor and will probably remain predominant for some time to come. Most of this is because of the advantages they offer: Cost effective for controlling complex systems.
Flexible and can be reapplied to control other systems quickly and easily.
Computational abilities allow more sophisticated control.
Trouble shooting aids make programming easier and reduce downtime.
Reliable components make these likely to operate for years before failure.




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