Siemens Energy & Automation (http://rbi.ims.ca/4929-506) has introduced a new Human Machine Interface (HMI), the SIMATIC® Mobile Panel 277, which gives operators a high degree of protection, brilliant graphics and rugged industrial construction. The 8-inch touch screen offers 65,536 colors and 18 LED membrane keys. Designed for fast standard power up, the HMI can be powered instantaneously with an optional battery pack.
For safety-related applications, the panel provides a patented system that automatically closes the emergency off circuit. An integral connection point detection function assigns operator displays to the specific locations in the plant. User memory may be expanded to include both archive and recipe data. An integral acknowledge key and Profibus/Profinet connections are available as options.
With erupting concern over police brutality, law enforcement agencies are turning to body-worn cameras to collect evidence and protect police and suspects. But how do they work? And are they even really effective?
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