CIP Cleaning Cycle SFC

CIP cleaning cycle SFC

A clean-in-place sequence is naturally expressed as an SFC because only one phase is active at a time. This example moves from idle through pre-rinse, timed caustic wash, and final rinse before issuing a completion pulse. Each transition names the signal that confirms the prior phase. It provides a compact design-review view of a cleaning cycle, while the actual recipe must still define temperatures, concentrations, flow, and validation requirements. Before using the layout in a build or document, compare every label with the source requirements and update the drawing when parts, conditions, or materials change. The example is deliberately small so the essential relationships remain readable, easy to review with collaborators, and ready to extend with the details required for the actual project.

類型 循序功能圖標準 IEC 61131-3:2013 §6.5引擎 schematex-sfc更新時間 2026/9/24

需求

“Create an SFC for a CIP cleaning cycle with idle, pre-rinse, a 20-minute caustic wash, final rinse, and complete steps, advancing on the corresponding completion signals.”

接著試試Add a sanitize step after the final rinse.Change the caustic circulation time to 30 minutes.

這張圖裡有什麼

看懂背後的決策。

01Phases

Rinse, wash, and final rinse are separate active states.

02Timed action

Caustic circulation has a 20-minute delay qualifier.

03Completion

Each phase waits for its defined feedback.

Use as a high-level sequence; validated recipes and safety conditions remain site specific.

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常見問題

What is CIP?

Clean-in-place is a controlled cleaning process for equipment without disassembly.

Why use a timed action?

It records that the wash action must remain active for a set time.

What returns the chart to idle?

The complete step transitions back to idle after its completion action.