Euchner CES-AP-CL2-CH (Multicode) Uživatelský manuál stáhnout pdf (Strana 3)

Operating Instructions Safety Switch CES-AP-C.2-CH

About this document

This document is valid for all safety switches CES-AP-C.2-CH with version number 

V 1.1.2 or higher.

Correct use

The Coded Electronic Safety switches of series CES are safety devices for moni-

toring movable safety guards.

In combination with a separating safety guard and the machine control, this safety 

component  prevents dangerous machine movements from  occurring  while  the 

safety guard is open. A stop command is triggered if the safety guard is opened 

during the dangerous machine function. 

Before safety switches are used, a risk assessment must be performed on the 

machine, e.g., in accordance with:

 Ì EN ISO 13849-1, Safety of machinery. Safety related parts of control systems. 

General principles for design

 Ì EN ISO 12100, Safety of machinery – General principles for design – Risk as-

sessment and risk reduction.

 Ì IEC 62061, Safety of machinery. Functional safety of safety-related electrical, 

electronic and programmable electronic control systems.

Correct use includes compliance with the  relevant requirements for installation 

and operation, for example

 Ì EN ISO 13849-1, Safety of machinery. Safety related parts of control systems. 

General principles for design

 Ì EN 1088, Safety of machinery. Interlocking devices associated with guards. 

Principles for design and selection

 Ì EN 60204-1, Safety of machinery. Electrical equipment of machines. General 

requirements

 Ì EN 60947-5-3, Speciﬁcation for low-voltage switchgear and controlgear. Con-

trol circuit devices and switching elements. Requirements for proximity devices 

with deﬁned behavior under fault conditions

The safety switch must be used only in conjunction with the designated CES ac-

tuators from EUCHNER. On the use of different actuators, EUCHNER provides no 

warranty for safe function.

Important:

 Ì The user is responsible for the integration of the device into a safe overall 

system. For this purpose, the overall system must be validated, e.g. in ac-

cordance with EN ISO 13849-2.

 Ì In the estimation of the PL for the overall system, a maximum value of 

100 years can be assumed for the MTTF

 according to the limit value in 

EN ISO 13849-1:2008, section 4.5.2. This corresponds to a minimum value 

for the PFH

 of 2.47x10

-8

/h.

 Ì Correct use requires observing the permissible operating parameters (see 

Technical data).

 Ì If a product data sheet is included with the product, the information on the 

data sheet applies in case of discrepancies with the operating instructions.

 Ì Only components may be used that are permissible in accordance with the 

table below.

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