IconTrust^® Safe HMI technology up to SIL 3

Reliable monitoring of safety-critical displays 

IconTrust® monitors specific areas on the TFT panel, distinguishing between safety-relevant and non-safety-relevant information. For safety-critical content, both static and dynamic monitoring areas are set up.

Independent, precise and in real time
All safety-critical areas are monitored in parallel and independently of one another. In every frame, IconTrust® analyses the displayed content and compares it with the corresponding input values. If any deviations are detected, a safety-related response is triggered automatically.

Patented safety – versatile in use
The patented process has been proven to ensure that the display is up to date and accurate, without the need for the display application itself to be certified or tested. This means that IconTrust® remains independent of the application and can be used flexibly across a wide variety of systems.

The patented IconTrust^® process ensures that the display is up to date and accurate without the need for the display application itself to be certified or tested. This means that IconTrust® remains independent of the application and can be used flexibly in various systems and rail vehicles.

IconTrust^®monitors specific areas on the TFT panel, distinguishing between security-relevant and non-security-relevant information. For safety-critical content, both static and dynamic monitoring areas are set up.

Hidden safety flaw in digital displays

Many system designs for control and operator stations focus primarily on securing the electronic process control computer. In doing so, a key vulnerability is often overlooked: the digital displays.

Errors can arise not only in the control computer, but also as a result of incorrect or out-of-date information on displays. Such discrepancies often cannot be detected or verified by operating staff in real time whilst the system is running.

Risks to operations and safety

In the most favorable case, these errors lead to system malfunctions or outages. In the worst case, however, they can endanger the safety of individuals. Therefore, for all safety-critical, manually operated display and control systems, effective measures for detecting display errors are indispensable.

DEUTA is the only supplier of a patented system that makes your driver’s cab SIL3-compliant using just a single component. IconTrust® monitors TFT displays independently of the PC and detects potential data errors in real time.

The technology creates a ‘fingerprint’ of the information currently displayed for each screen. This allows multiple screen areas to be monitored separately and independently – for maximum operational safety.

Cost-effective and flexible
IconTrust® is suitable for all safety-critical information systems:

• Driver's cabs on modern trains
• Control rooms
• Process monitoring systems with operator stations

 IconTrust® can reliably monitor all input values on your display – from icons and pointer instruments to bar graphs, text and colour changes.

Flexible display recognition
If required, IconTrust® also recognises different representations of the same value (equivalent screen representations) and evaluates them correctly.

Individually configurable responses
For safety purposes, you can set an error counter that enables a delayed triggering of the safety-related response – exactly according to your requirements.

With IconTrust®, the type and layout of the display can be adapted flexibly and easily, even in safety-critical areas.

Quick adaptation without additional effort
For new applications or adjustments to changing requirements, safety remains guaranteed without the need for a time-consuming qualification process.

With the cutting-edge IconTrust® technology, you’ll remain on the safe side well into the future. It already meets the safety standards required by regulatory authorities.

Reliable monitoring for decades
Monitor TFT displays in safety-critical applications reliably, flexibly and cost-effectively – for many years to come.