In this video, Zahraa Khalil explains the PLC language block diagram, the naming of the block, and the way the block is constructed within the software, defining the input and output of the block.
- [Instructor] Function Block Diagram, FBD.…Function Block Diagram is a graphical programming language…used for PLC programming base on functions…and function block composition.…It shows a graphical representation of executable code.…It consists of a series of blocks representing instructions…connected by lines called wires.…A function block is represented as a rectangular block…with inputs entering from the left…and outputs emerging from the right.…
The function block type name is shown in the box…where the block function name is written, as well.…Examples, AND function block, OR function block,…XOR function block, notice the name…and the different inputs and outputs for each block.…This is an example of a ladder diagram program…and equivalent function block diagram.…You can see that it shows the same process…but only using block instead.…Here's an example of multiple blocks used to represent…a logic within the programmable controller.…
The type of a block is written inside the box.…The name of the function block in the system…
Learn about the components and networks involved at each level of automation: field level, control level, and management level. Explore the different devices involved, from the programmable logic controllers (PLCs) on the factory floor, to OPC software that give technicians insights into operations. Instructor Zahraa Khalil, an engineer and educator, also provides an overview of SCADA (supervisory control and data acquisition), an industrial control system architecture that enables supervision over large distances and multiple sites.
- Overview of industrial automation
- Field level
- Communication level
- Management level
- PLC programming
- OPC software