EAO Schweiz AG / Wed 23.03.2022

HMIS Multi-Legend Alarm Indicator.

Flexible, bright and reliable.

Olten, Switzerland, November 2019 - Train drivers need to easily see an overview of the current status or critical situations requiring their attention - whatever the cab lighting conditions and independent of   the rest of the electrical systems. EAO offers a highly reliable, customisable and quick to engineer solution that meets the driver's needs and with the possibility to add additional functionality such as a dimmable illumination.

With its extremely flexible and modular design, the HMIS Multi-Legend Alarm Indicator fulfils a broad range of application needs. The panel size and the symbols are customisable. Different illumination colours are available. The flexible number and arrangement of the symbols as well as the ultra-thin mounting depth of less than 8 mm thickness ideally fit to driver desk and control cabinets, as well as in other railway application where the space envelope for the status indicators is limited.


  • Customisable panel size and symbols
  • Quick adaption to customer-specific requirements
  • Additional functionality can be added
  • Ultra-thin design (< 8 mm) to fit in driver desk panels
  • Bright even illumination visible in all light conditions
Every alarm indicator is electrically independent to guarantee high operational safety, redundant illumination on each element provides increased reliability. The complete system of indicators is controllable by bus interface, digital IO or other interfaces, which allows easy and effective integration with existing systems. In addition, the indicator modules can be provided with dimmable illumination. The lamp test functionality is effective and immediate with a capacitive touch sensor included in the alarm panel. With a range of different indicator tile dimension, grid spacings, and numbers of tiles per module this is a truly flexible status monitoring system. Mounting of the indicator panel can be adapted to the customer needs with adapters or directly with mounting studs.

The Multi-Legend Alarm Indicator conforms to EN 45545 and offers connectivity with up to 36 tiles in each module and is suitable for 24 and 110 VDC systems. Its modular construction ensures short engineering and production lead-times even for new product configurations.

Read more on www.eao.com/mi-panel
  • Swissrail Industry Association
  • Taubenstrasse 32
  • CH-3011 Bern

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