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What is limit switch?

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Question ajoutée par maha ahmed sayed elayat , تدريب , شركه سيمنز
Date de publication: 2013/10/10
حسام ناجى
par حسام ناجى , testing and commissioning engineer II , SENDAN INTERNATIONAL COMPANY

In some cases it is necessary to change from the normal control action andattempt to prevent a process variable from exceeding an allowable upper or lowerlimit. This can be achieved by the use of special type switches called limitswitches.

Amr Saleh
par Amr Saleh , Senior I&C technical office engineer , ENPPI

it's a switch that has a part that could be moved to change it's contacts state

open to close or the other way around so you can act upon it

i don't know if i said it in an understandable way

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