Have you ever wondered how a modern factory can manage to keep thousands of moving parts, high speed machinery and crucial sensors from exploding into a mess? And how can one individual in the control room be able to track an entire plant while the operator controls a single machine with a touch on the screen?
It isn’t about standalone devices; it is about a connected three-tier architecture. Three main technologies are required for seamless communication in modern manufacturing: Programmable Logic Controllers (PLC’s), Human Machine Interfaces (HMI’s), and Supervisory Control and Data Acquisition (SCADA). Hands-on PLC training courses provide the essential skills that are required to operate field equipment, manage automation systems as well as optimize factory processes.
Understanding the Basics: PLC, HMI, and SCADA
What is a PLC?
A PLC is a compact, ruggedized industrial computer designed that perform logical operations, timing functions as well as sequential processes. It is directly connected to a physical field device such as a temperature sensor, limit switch, solenoid or electric motor.
What is an HMI?
An HMI is a dedicated display screen or touchscreen panel that is installed directly on or near a particular machine; and it offers an intuitive graphical user interface for operators to start/stop processes, set points, and real-time machine status
What is SCADA?
SCADA (Supervisory Control and Data Acquisition) is a comprehensive software platform installed on the computers in the control room. Collects data from several PLCs and field controllers through large facilities for integrated monitoring, historical trends, alarming and data archiving.
Integrating PLC, SCADA and HMI- Step-by-Step architecture
These systems are interconnected to operate automated facilities:
Signal Sensing & Processing: Sensors detect physical properties like pressure, temperature, and transmit an electrical signal to the PLC’s input modules.
Logical Execution (Logic): The PLC executes the programmed logic or the structured text, also performs subsequent
actions – starting and stopping a pump or conveyor line.
Local Operator Interaction: PLC transmits real-time machine information to local HMI display. Line techs can use HMI work to fine-tune local settings and to see live graphics on the shop floor.
Centralized Data Aggregation: The PLC also sends out the telemetry data to the central server using industrial communication protocols such as Ethernet/IP or Modbus.
Supervisory Control: The plant performance analysis, preventive maintenance planning, historical plant performance and total plant performance can be managed by central management teams via the SCADA interface.
Why Hands-On PLC Training and SCADA Training is important
It’s not enough to read the theoretical diagrams of automation in industry. Troubleshooting common failures, writing reliable PLC programs and configuring SCADA tags requires hands-on experience.
PLC Training covers the theory of SCADA training as well as hands-on experience with installing industrial networks, attaching database tags, and building dashboards for operators. Experts are required to integrate motion of the machines and automation software.
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Conclusion
Looking to take the next step in your industrial control systems career? Wonder Automation provides industry-specific training courses that allow you to gain hands-on experience with the best-in-class PLC, HMI, and SCADA platforms. Contact us today and learn about our real-world course modules and advanced your engineering skills.
Wonder Automation is an industrial automation training institute in Mohali, Punjab and has more than 30 years experience in the industry. We focus on the training of PLC programming, SCADA, HMI and automation system.
We aim to fill this gap between the academic studies and industry demands with practical, project based courses. We have convenient schedules, professional training by qualified engineers, and placement facilities to students and working professionals.