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First wireless machine control unit with safety functions


Nuremberg, Feb 22, 2007- Siemens Automation and Drives (A&D) presents the Simatic Mobile Panel 277 Wireless, its first wireless HMI device with safety. The Simatic Mobile Panel 277 Wireless has two enabling buttons and an emergency stop button. The safety functions have been tested and certified according to SIL3.

The Mobile Panel 277 Wireless has a 7.5 inch TFT touch display and 18 LED membrane-type keys. Its six megabytes of memory can be supplemented with an additional memory card for archive and recipe data that can be inserted into the multi-media combination card slot. Interfaces for connecting the panel to Profinet as well as a USB interface accessible from outside are also standard features.

When configuring the device, the user is supported by the WinCC flexible 2007 engineering software to define “effective ranges” in which the machine can be controlled by the operator. A transponder limits the effective ranges in which the device can be identified locally. This ensures fail-safe operator control and clear assignment of the appropriate operating screens and operator authorizations anywhere in the plant. The transponder can also be used to define zones in which certain functions are configured, such as automatic on-screen display or operator authorizations for particular persons when they enter the zone.

With degree of protection IP 65 and a drop height of 1.20 meters, the device is especially suitable for use in rough industrial environments. The battery can be changed without interrupting operation so that work can continue without interference. The device is also available without safety functions.

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Reference number: A&D AS 200702.1520 e


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