1.9 User responsibility for system design and function
The products described here were developed to perform safety-related functions as part of an
overall installation or machine.
A complete, safety-related system is generally equipped with sensors, evaluation units, and
signaling units, and uses reliable shutdown concepts.
It is the responsibility of the manufacturer of a system or machine to ensure that the product
functions properly.
Siemens AG, its regional oces, and associated companies (hereinafter referred to as "Siemens")
cannot guarantee all the properties of an entire plant, system or machine that has not been
designed by Siemens.
Nor can Siemens assume liability for recommendations that appear or are implied in the
following description. No new guarantee, warranty, or liability claims beyond the scope of the
Siemens general terms of supply are to be derived or inferred from the following description.
Introduction
1.9 User responsibility for system design and function
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
18 Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005
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