After more than a decade of articles touting the benefits of PC-based control over programmable controllers and predictions of the PLC's demise, this much is clear: both PCs and PLCs have their place ...

The control system of an elevator consists of a low voltage circuit, that supplies the motor brake and the relay coils. In this link you can see a basic circuit, designed for educational purpose. At ...

High-speed elevators are a critical component in modern urban infrastructure, facilitating efficient vertical transport in skyscrapers and other high-rise buildings. Contemporary research in this ...

A $27 million renovation to the Statue of Liberty includes a new emergency elevator designed using Siemens’ TIA portal. The safety retrofit process used for this new elevator design holds numerous ...