Industrial automation has changed significantly with the invention of advanced technologies. Human Machine Interface (HMI) and Supervisory Control and Data Acquisition (SCADA) are two of the most popular systems, used primarily for data visualization. In this blog post, we will compare HMI and SCADA systems to determine which one is better for data visualization.
HMI: A Quick Overview
HMI, or Human Machine Interface, is a graphical interface that allows humans and machines to interact. It is popularly used for data visualization, as it enables users to monitor the status of the machinery in real-time. HMI is simple, user-friendly, and provides clear information quickly.
SCADA: A Quick Overview
SCADA, or Supervisory Control and Data Acquisition, is a system used to control and supervise industrial processes. It has a broader range of applications than HMI and can manage several industrial sites simultaneously. SCADA systems also collect and analyze data in real-time, making it ideal for large-scale operations.
Data Visualization: HMI vs. SCADA
When it comes to data visualization, both HMI and SCADA have their benefits. HMI is best suited for small-to-medium-sized operations, where the focus is on simplicity and ease of use. SCADA, on the other hand, can handle more complex systems, making it ideal for large-scale industrial automation.
HMI Visualization
HMI is primarily designed to provide real-time feedback on single machines or processes. It allows users to monitor the status of machinery or processes by displaying large, colorful, and easy-to-interpret graphics. HMI has a straightforward and user-friendly design, making it easier for operators to comprehend and manage machinery in a short amount of time.
SCADA Visualization
SCADA, on the other hand, focuses on larger, more complex systems. It provides real-time feedback on multiple processes at once, using advanced displays, graphs, and charts. SCADA technology also enables operators to compare different processes and create reports for further analysis.
In terms of data visualization, SCADA has a better advantage over HMI for larger and more complex operations. SCADA displays can include live trends, alarms, and real-time data to give a better overview of industrial processes. HMI, on the other hand, can only display simple graphics and basic data.
Final Thoughts
In conclusion, HMI and SCADA are both useful for data visualization in industrial automation. HMI is best suited for smaller operations, where ease of use and simplicity are critical. In contrast, SCADA is more appropriate for complex, large-scale systems. It is essential to assess the needs of your organization before deciding on which system to implement. Ensure that you have access to the necessary data and resources to support your automation needs.
References
- Granados, L. M. (2017). SCADA Systems: The Heart of Energy Infrastructure. IGI Global.
- Halász, L., Abranko, L., & Füredi, S. (2017). Human-Machine Interface Design for Industrial Control Systems: An Expressive Design Approach. Procedia Engineering, 187, 358-365.
- Rustagi, A., Vashishtha, P., & Yadav, N. (2017). Human-Machine Interface Design in Industrial Automation: A Review. In Proceedings of the 2nd International Conference on Computing for Sustainable Global Development (INDIACom), New Delhi, India, 1-3 March 2017 (pp. 313-319). IEEE.