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July 12, 2023

Demo Wednesday: SCADA/HMI

We've published a new demo: SCADA/HMI

Piping and Instrumentation Diagrams (P&IDs) play a crucial role in the design and implementation of Supervisory Control and Data Acquisition (SCADA) and Human-Machine-Interface (HMI) systems, particularly in industrial processes. SCADA systems are used to monitor and control various aspects of industrial operations, and P&IDs serve as visual representations of the interconnected piping and instrumentation within these processes. Human-machine interfaces (HMI) serve a similar purpose, only for local machines (while SCADA is a remote monitoring system).

A P&ID is a schematic diagram that illustrates the interconnections of piping, equipment, and instrumentation involved in a process. It provides a detailed overview of the physical layout, components, and control logic of a system. P&IDs are commonly used in industries such as oil and gas, chemical processing, power generation, and water treatment, among others.

The primary purpose of a P&ID in the context of SCADA/HMI is to facilitate the efficient operation, maintenance, and troubleshooting of industrial processes. By depicting the flow of fluids, materials, and energy, as well as the control devices and sensors, a P&ID helps engineers, operators, and maintenance personnel understand the system's functionality.

In a SCADA/HMI system, P&IDs are integrated with the control and monitoring infrastructure, allowing operators to visualize real-time data from sensors, actuators, and other devices. The P&ID serves as a reference point for the SCADA/HMI system, enabling operators to quickly identify the location and status of equipment, valves, pumps, and instruments, and make informed decisions based on the gathered information.

P&IDs in SCADA/HMI systems often incorporate additional information beyond the basic piping and instrumentation elements. They may include tags, labels, alarms, process parameters, setpoints, and other relevant data to provide a comprehensive representation of the system. Additionally, advanced SCADA/HMI systems may offer interactive features, allowing operators to access detailed information, historical trends, and perform control actions directly from the P&ID interface.

In summary, Piping and Instrumentation Diagrams (P&IDs) are integral components of SCADA/HMI systems, providing a visual representation of the interconnected piping, equipment, and instrumentation in industrial processes. By incorporating real-time data and interactive features, P&IDs enhance the monitoring, control, and maintenance capabilities of SCADA/HMI systems, contributing to the efficient and safe operation of complex industrial facilities.

Below you can see an interactive example of a Piping and Instrumentation Diagram created using JointJS+.

Interested in enhancing your application with interactive diagrams? Start a free JointJS+ trial and build visual and No-Code/Low-Code applications with easy and confidence.

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Blog post author
Roman Bruckner
Diagramming enthusiast from an early age, traveler and a persistent contributor to the developer community.
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