Operator Interfaces, Switches & Relays


Wireless HMI is SIL3 certified

November 2007 Operator Interfaces, Switches & Relays

The Simatic Mobile Panel 277F IWLAN is Siemens Automation and Drives' (A&D) first wireless HMI device incorporating safety features. The panel incorporates two enabling buttons and an emergency stop button. The safety functions have been tested and certified according to SIL3.

The Simatic Mobile Panel 277F IWLAN is Siemens               A&D’s first wireless HMI device incorporating safety features
The Simatic Mobile Panel 277F IWLAN is Siemens A&D’s first wireless HMI device incorporating safety features

The mobile panel has a 19 cm (7,5") TFT touch display and 18 LED membrane-type keys. Its six megabytes of memory can be supplemented with an additional memory card that can be inserted into the multimedia combination card slot for archive and recipe data. 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 Siemens' WinCC 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 authorisations 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 authorisations for particular persons when they enter the zone.

With IP65 degree of protection and a drop height of 1,20 metres, 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.

For more information contact Keshin Govender, Siemens Southern Africa, +27 (0)11 652 2412, [email protected], www.siemens.co.za



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