Siemens SIRIUS 3SK1 Instrukcja obsługi - Strona 7

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Safety instructions

2.1

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 offices, and associated companies (hereinafter referred to as "Siemens")

cannot guarantee all the properties of an entire plant, system or machine that has not been

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.

2.2

Note

SILCL 3 in accordance with IEC 62061:2005PL e / Cat. 4 in accordance with EN ISO 13849-1:

2015

3SK11 safety relays are designed in such a way that applications up to SILCL 3 according to IEC

62061, PL e / Cat. 4 in line with ISO 13849-1 can be implemented.

Note

Safe state

The basis of the safety function is the definition of the safe state. In the case of safety relays, this

is the "OFF state", i.e. an open contact for sensors or shutdown of the actuators.

Hazardous voltage. Can cause death or serious injury

To ensure touch protection and degree of protection IP20, screw in all screws which are not

used for conductor clamping and close the terminal covers.

SIRIUS 3SK1 Advanced Safety Relays - special versions

Configuration Manual, 03/2022

DANGER