Correct option is D
In
pneumatic systems,
solenoid valves are commonly used for controlling airflow. These solenoids typically operate at
low DC voltages in the range of
12V to 24V DC for several reasons:
·
Safety: Low-voltage (12V or 24V DC) solenoids reduce the risk of electrical shock and hazards.
·
Energy Efficiency: Lower voltage systems consume less power, making them ideal for industrial automation and mobile applications.
·
Compatibility with Control Systems: Many
PLC (Programmable Logic Controller) systems operate with
24V DC, making 12V-24V solenoids widely compatible.
·
Quick Response & Reliability: DC solenoids provide
precise control and
fast switching, essential in pneumatic automation.