showstack / glossary / e-stop
E-stop / emergency stop 緊急停止
The mushroom-head button that removes motive power from an automation system immediately. It is a category of safety function with a defined behaviour, not just a big red switch: it must be hardwired, must not rely on the software that might be the thing failing, and must be reachable from wherever a person could be hurt.
中文
按下即切斷自動化系統動力的蕈狀頭按鈕。它是一種有明確行為定義的安全功能，不只是一顆紅色大按鈕：必須為硬體佈線、不得依賴可能正在故障的軟體，且在任何可能造成人員傷害的位置都必須伸手可及。
Regional usage
| Where | Term | Note |
|---|---|---|
| UK / US | E-stop / emergency stop | |
| HK / TW | 緊急停止 / 急停 |
Easy to get wrong
An e-stop is not a pause and not a hold. It drops power, which on some machines means a controlled brake and on others means the load stops where friction leaves it. Know which before you need it.
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Sources
- ISO 13850 / machinery emergency stop principles — ISO primary
Understand the mechanism
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