Single-Acting Cylinder Control Circuit

Single-Acting Cylinder Control

A single-acting pneumatic cylinder uses compressed air for one stroke and a spring for the return stroke. Its electrical control is therefore simpler than the two-coil arrangement used for a double-acting cylinder. This diagram shows a protected 24 VDC supply feeding an emergency-stop contact and an Extend pushbutton. The pushbutton energizes a 3/2 directional valve coil, admitting air to the cylinder. When the command is released, the valve exhausts and the spring returns the rod. The pilot light provides a quick indication that the valve coil is energized. Add a position sensor or relay logic if the motion needs confirmation or automatic sequencing.

類型 電路圖標準 IEEE Std 315 / ANSI Y32.2引擎 schematex-circuit更新時間 2026/9/24

需求

“Draw a 24 V control circuit for a single-acting pneumatic cylinder with an E-stop, an extend pushbutton, a 3/2 valve solenoid coil, and a pilot light.”

接著試試Add a retract limit switch.Change the pushbutton to a maintained switch.

這張圖裡有什麼

看懂背後的決策。

01Valve type

Use a 3/2 valve for one powered cylinder direction.

02Return motion

The cylinder spring returns when the coil is de-energized.

03Indication

Show coil state with a pilot light.

Use where a cylinder extends under air pressure and returns by its internal spring.

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常見問題

What is a single-acting cylinder?

It is a pneumatic cylinder powered by air in one direction and returned by a spring or external load.

Why use a 3/2 valve?

A 3/2 valve supplies and exhausts the single working port needed by a spring-return cylinder.

What happens when power is removed?

The solenoid releases, the valve exhausts the cylinder, and the spring returns the rod.