Application EKS
Integration of EKS with PROFINET interface in BECKHOFF TwinCAT 3
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(Application) AP000240-01-01/19
11. Important note – please observe carefully!
This document is intended for a design engineer who possesses the requisite knowledge in safety engineering and knows
the applicable standards, e.g. through training for qualification as a safety engineer. Only with the appropriate qualification
is it possible to integrate the example provided into a complete safety chain.
The example represents only part of a complete safety chain and does not fulfill any safety function on its own. In order
to fulfill a safety function, the energy switch-off function for the danger zone and the software within the safety evaluation
must also be considered, for example.
The applications provided are only examples for solving certain safety tasks for protecting safety doors. The examples
cannot be comprehensive due to the application-dependent and individual protection goals within a machine/installation.
If questions concerning this example remain open, please contact us directly.
According to the Machinery Directive 2006/42/EC, the design engineer of a machine or installation has the obligation to
perform a risk assessment and take measures to reduce the risk. While doing this, the engineer must comply with the
applicable national and international safety standards. Standards generally represent the current state-of-the-art. There-
fore, the design engineer should continuously inform himself about changes in the standards and adapt his considerations
to them. Relevant standards include EN ISO 13849 and EN 62061. This application must be regarded only as assistance
for the considerations about safety measures.
The design engineer of a machine/installation has the obligation to assess the safety technology him/herself. The exam-
ples must not be used for an assessment, because only a small excerpt of a complete safety function was considered in
terms of safety engineering here.
In order to be able to use the safety switch applications correctly on safety doors, it is indispensable to observe the
standards EN ISO 13849-1, EN ISO 14119 and all relevant C-standards for the respective machine type. Under no cir-
cumstances does this document replace the engineer’s own risk assessment, and it cannot serve as the basis for a fault
assessment.
In particular in relation to a fault exclusion, it must be noted that a fault can only be excluded by the machine’s or instal-
lation’s design engineer and this action requires justification. A general fault exclusion is not possible. More information
about fault exclusion can be found in EN ISO 13849-2.
Changes to products or within assemblies from third-party suppliers used in this example can lead to the function no
longer being ensured or the safety assessment having to be adapted. In any event, the information in the operating in-
structions on the part of EUCHNER, as well as on the part of third-party suppliers, must be used as the basis before this
application is integrated into an overall safety function. If contradictions should arise between the operating instructions
and this document, please contact us directly.
Use of brand names and company names
All brand names and company names stated are the property of the related manufacturer. They are used only for the
clear identification of compatible peripheral devices and operating environments in relation to our products.