STW introduces a new range of intelligent HMI displays for mobile machines

STW introduces a new range of intelligent HMI displays for mobile machines (PresseBox) (Kaufbeuren, ) At the Agritechnica 2015 in Hannover, Sensor-Technik Wiedemann (STW) will be presenting its new, intelligent interACT V-family of HMI displays for mobile applications. Featuring the support for safety-orientated use cases in accordance with SIL2, a range of different sizes and a sophisticated toolchain for graphic programming, the new V-series represents an innovative HMI generation, providing users with an unequaled degree of scalable functionality. The new family has been developed in collaboration with a display expert company which has conducted pioneering work on safety-relevant railway displays for many years. This close collaboration started at the beginning of 2015, and developed into a technology and production partnership between the two companies which was formally signed and sealed in the summer of 2015. The two partners will use the trade fair for the market launch of their VSX-7W with 7” screen in 15:9 format, VSX-8W with 8” screen in 15:9 format, VSX-10W with 10” screen in 15:9 format and VSX-12 with 12” screen in 4:3 format.

For display applications in mobile machines, the most important feature is robustness. The interACT displays fulfill this requirement through the high durability of the housing, the resistance of the electronics against electromagnetic influences and a touchscreen in GFG (Glass-Film-Glass) technology. This technology combines the advantages of tried and tested resistive touchscreens with the possibility of achieving input according to SIL2. The touchscreen permits use even when gloves are worn or if hands are wet. The MTTF (Mean Time To Failure) for the displays is 100,000 hours. When used in outside areas, the light intensity of 1000 cd/m² is important, as this also guarantees good legibility in sunlight. In addition, Panel-Mount and VESA-Mount versions are supported for flexible installation in the driver’s cabin.

All members of the interACT display family VSX are based on the same Cortex A9 DualCore processor architecture, and are all programmable with the same development and support tool DevKit. Together with different display sizes and operating variants, this provides simple scalability within the family and the reusability of software. DevKit offers over 35 predefined widgets, of which the majority includes SIL2 support. In addition, a large number of communication protocols, such as STW’s KEFEX, are integral components of DevKit. The inclusion of KEFEX means STW’s ESX controls be configured or updated. Ethernet, CAN and analog video interfaces are available in all the VSX displays. Plug-in boards allow a nearly unlimited extension of the functionality. DevKit can be used both for graphic design as well as for communications and control tasks. The graphic design can also be seamlessly transferred onto iOS or Android platforms.

At the Agritechnica, STW will be showing two of the new interACT displays in the VSX series in action for the first time. After the trade fair, the displays will initially be made available in the two versions VSX-7W and VSX-10W to be followed by 8” and 12” variants shortly after for development purposes together with DevKit. The start of series production is planned for Q2/2016.

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Sensor-Technik Wiedemann GmbH
Am Bärenwald 6
D-87600 Kaufbeuren
Marlene Steinle
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