PLC Training Course – S7-300 Hardware Basics Explained (Lesson 2)
In this video, we’ll explore the input and output (I/O) modules, the rack, and the bus connector in the Siemens S7-300 PLC system. These components play a crucial role in ensuring seamless communication between field devices and the PLC.
What You’ll Learn in This Video:
✅ Digital & Analog Input Modules – How they receive signals from sensors and field devices
✅ Digital & Analog Output Modules – How they control actuators, motors, and other devices
✅ Rack Structure – The role of the rack in housing PLC modules
✅ Bus Connector – Why it’s essential for communication between modules and the CPU
Understanding these hardware components is the first step to mastering PLC programming. In the next video, we’ll begin PLC programming with a real-world project—controlling an electric motor using the PLC!
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