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Quick video tutorial (no audio) |
High Performance is a design approach that turns traditional displays into intuitive information visualization with actionable intelligence. It displays information in a simple color style to facilitate the understanding of to help make it easier to understand the project status.
The High Performance approach achieves this by following several fundamental characteristics, which are listed below.
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The main objective of this design is to increase the effectiveness of data handling and data analysis.
It is a known fact that humans can handle only Humans can only handle so much information at a time. According to the ISA SP 18.2 Standard, project operators should only face about 10 alarms per hour in order to accurately respond to each alarm. However, this the alarm rate is usually higher in the real world.
Human Centric Design allows users to create smart designs with color configurations that help the operator's eyes easily focus on the situations that require the most attention.
The Detailed below are several proven operator performance results from the High Performance HMI Handbook has several proven operator performance results detailed below.
Traditional HMI | High performancePerformance HMI | Results | |
Detecting abnormal situations before alarms occur |
1 in 10 occurrences |
5 in 10 occurrences |
5x improvement |
Success rate handling abnormal situations | 70% | 96% | 37% improvement |
Time to complete abnormal situation tasks | 18.1 minutes | 10.6 minutes | 41% improvement |
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Even though the HMI application is a visual/graphic interface, you you should not select the choose colors and or shapes simply to have a stylish , good looking display. The focus should be on facilitating project comprehension.
There Below is a set of color convention conventions that is recommended for HMI projects. . .
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Layered Graphical Hierarchy refers to the way in which data is structured across displays throughout the project. The recommended organization method is using a series of levels and sublevels in which each level is more detailed than the previous one.
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Symbols are graphical objects that contain a series of built-in dynamics which are applied to them. They can be added to a display as a representation of tags.
The HPG are accessed through the Draw Editor under the Symbol Library button (located in the toolbar).
The symbols Symbols are separated into 3 main categories (Default, HighPerformance and Standard). Since we are focusing on the HighPerformance one, each Each HighPerformance subcategory component is is detailed below.
Alarms Blowers Compressors Conveyors Cooling | Crushers Cyclones Furnaces Heating Mills | Motors Pumps Tanks Valves |
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To map the an added symbol to a runtime object (tag or some other property, double-click on it to the symbol to display its supported properties.
Each symbol has Even though symbols have different runtime properties, but they all can have a similar behavior in their appearancesimilar appearances (such as color) according to the state they are in. In the example below, every symbol that is On, Open, Running, or Energized appears white to indicate that the item is in a "running" state. Since they are all in a similar state, they would each be mapped to the Value "1".
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Value = 0 // Off/De-energized/Idle/Stopped/Closed Value = 1 // On/Energized/Running/Open Value = 2 // Disabled/Out of Service |
These The values follow a Color Convention listed above follow the color convention pattern for HMI displays.The images below illustrate , and the different colors a symbol can display are illustrated in the image below.
The A symbol's appearance can be customized by changing the Themes theme for this the object. On In Run-Dictionaries-Themes, you will find some predefined Theme theme palettes that are predefined and are built -in into the NewProject Templates.
The ItemName properties property that is related to the HPG Symbols symbols are highlighted in the image below.
The user can use this page to easily create new themes ( or edit pre-existing ones) at this page. Some . The following images show some examples using different themes can be found at the following images.
This Symbol symbol acts as an indicator for the Alarm State alarm state of an a specific Tagtag. It can display the alarm priority level (low, medium and , or high), and it have has 3 different possible color configurations according to the Alarm State:depending on the status of the alarm state. See image below.
There is a Tag property called AlarmPriorityEnum that The AlarmPriorityEnum property is used for animating the Alarm Indicator Symbolsymbol. The Enum property has the following settings:
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Number in Symbol: - 1: Priority High (2) - 2: Priority Medium (1) - 3: Priority Low (0) Outer Border and inner element: - Border static and Element blinking: Alarm is active - Border static and Element static: Alarm is acked - No Border and Element blinking: Alarm is normalized - No Border and No Element: Alarm not active |
To illustrate the behaviors described above, the The following images demonstrates the appearance when demonstrate the display's appearance when an alarm is in an active state.