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⌚Timestamps:
00:00 - Intro
00:40 - The intended user of HMI
01:51 - HMI philosophy document
03:00 - HMI style guide
04:42 - Guideline for object library in HMI design
05:54 - Benefits of using object library in HMI design

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In this video, we are going to dive a little deeper and discuss the Fundamentals of High-Performance HMI Design, High-Performance HMI Standards, along with best practices.

One very important fundamental of HMI design is the intended user of the HMI. There is a common misperception that an HMI should be designed to accommodate several different users, including supervisors, engineers, maintenance personnel, and finally, the operators. This is simply not true.

An HMI designed around the requirements of the operators will give them the ability to quickly point out any abnormalities or devices that need to be diagnosed, without an engineer or maintenance person fumbling around through screens looking for the problem.

The fundamental part of the workshop process is developing the HMI Philosophy Document and Style Guide. To put it simply, the HMI Philosophy Document will lay the groundwork for engineers and owners to design the HMI for the process that they have been tasked to build.

Once you have your HMI Philosophy Document, it is time to develop the HMI Style Guide. The style guide is a much more detailed document that is based on the framework from the Philosophy Guide.

This document is where every aspect of the proposed HMI is covered. You will get down the granular detail of the screen layout, the color of backgrounds, line types and thickness, text size and font, and ISA objects for pumps, valves, and tanks.

It will also cover how trends are to be displayed and how the navigation from one screen to another will be handled. The style guide is specific to a project and its specific control system and hardware configuration.

By having all of this information now, you will know that the project you develop will maximize the control system capabilities and still work within the constraints of its limitations.

A Style Guide will document the screen objects that you will use when creating your displays. The objects along with their source code will become the control system specific object library for the project.
These objects are then automatically standardized and will each have specific functions in the control system.

When developing the object library, the objects should not be individually modified during the development of individual displays. Instead, objects are global and are available for use across all displays for a standardized method of displaying information from field devices.

Your HMI Object Library or HMI Template Suite will become the predefined repository of source code such as add-on instructions, display objects, and faceplates that will enable you to quickly develop the project using tested strategies, high functionality, and known performance.

Objects will be built with the design standards set forth in your HMI Style guide, along with consideration given to ISA101 High-Performance HMI standards.

The object library will allow you to create a control system using a drag and drop environment in order to quickly create a control function.

An analog input object will have predefined scaling, alarms, and engineering units, among many other features. Then the corresponding faceplate will give the operator an intuitive and information-driven visibility and control.

By using this modular design, you are able to access a large number of small components that will make up an overall control system. This method of development leads to a reduced chance for error, reduction in development time and cost, and increased profitability.

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What is High-Performance HMI? [ Ссылка ]

Development of High-Performance HMI Philosophy [ Ссылка ]

Detailed Design Principles of High-Performance HMI Displays [ Ссылка ]

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