The 5V DC power switch is primarily used for supplying power to the digital logic circuitry of the control cabinet in a PLC system. It can also be utilized for driving crystal oscillator circuits, LED indicator circuits, and certain relay control circuits.
The 24V DC power switch, on the other hand, is commonly employed for powering the analog computation circuitry of the control cabinet in a PLC system. It can also be used for circuit protection of the input/output sections of the PLC, as well as relay control circuits.
In a Programmable Logic Controller (PLC) system, power supply units play a critical role in delivering the necessary electrical energy to various components and circuits. The 5V and 24V DC power switches are specifically designed to meet the requirements of different sections within the PLC control cabinet.