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EnBW AG

Zimmer Power Plant Moscow Ohio 1992 – Control panel

These expensive electrical controls are very 1980's. Today, a computer screen could replace all of this. However, in control systems sometimes its better to just hardwire some functions to relays so that a programming error cannot crash the plant. These hardwired safeties are called "interlocks" and they are a must.

Siemens AG – Pressebilder

Siemens AG – Pressebilder

Energieeffizienz

dierk schaefer – Flickr

Siemens AG – Pressebilder