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[Chemical Knowledge]：Principle and Application of Manual Button of Solenoid Valve

Read： 1044 Time：20months ago Source：Transform the World with Simplicity

As one of the components commonly used in industrial automatic control system, solenoid valve plays an important role in automatic control. However, in some cases, manual operation is required to control the switch of the solenoid valve, and at this time, the manual button of the solenoid valve is required.

solenoid valve manual button is a manually operated switch, you can manually control the solenoid valve switch action. In practical applications, the solenoid valve manual button is mainly used for some special cases of control. For example, when the solenoid valve loses the control signal, the switch of the solenoid valve can be controlled by the manual button; or when the operating parameters of the solenoid valve are adjusted, the manual button is needed to control. The working principle of the manual button of the

solenoid valve is similar to that of the ordinary manual button. Through manual operation, the connector on the button is connected or disconnected with the connector of the power supply to realize the opening and closing of the circuit and the switch control of the solenoid valve. In practice, the solenoid valve manual button usually has three terminals, namely, the common terminal (COM), the positive terminal (NC) and the disconnect terminal (NO).

When the manual button is closed, the common wiring head (COM) is connected with the disconnection wiring head (NO), and the switch of the solenoid valve is in the off state. When the manual button is in the open state, the common connector (COM) and the positive connector (NC) are connected, and the switch of the solenoid valve is in the closed state. Through the switch action of the manual button, the switch of the solenoid valve can be directly controlled without a control signal.

In addition to manually controlling the solenoid valve switch, the solenoid valve manual button can also play an important role in the solenoid valve troubleshooting. When the solenoid valve fails, through the operation of the manual button, it can be judged whether the fault is caused by the solenoid valve itself or the control system, which is convenient for fault handling; when the valve is changed or the solenoid valve is repaired, the solenoid valve can also be opened by the manual button, Convenient maintenance.

solenoid valve manual button has important application value in industrial automatic control system, which can realize manual control and troubleshooting of solenoid valve under certain circumstances, and improve production efficiency and work safety. At the same time, the principle and use of the manual button of the solenoid valve also require us to carefully study and master in practical applications to ensure its correct and stable operation.

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