Safety Of Electronic Controllers - Siemens SIMOTION D4 Series Manual

Note
The product standard EN 61800-3 describes the EMC requirements placed on "Variable-
speed drive systems". As such, it defines different limits depending on the location of the
drive system.
SINAMICS S120 power units are designed for use in the second environment. The term
second environment refers to all locations outside residential areas. These are basically
industrial areas which are supplied from the medium-voltage line supply via their own
transformers.
It is essential to follow the installation instructions in the SINAMICS S120 Manuals in order to
ensure compliance with emitted interference and immunity values.
For more information on this topic also refer to Catalog PM21 as well as the SINAMICS
Function Manuals.
A.2

Safety of electronic controllers

Introduction
The following remarks relate to fundamental criteria and apply irrespective of the type of
controller and the manufacturer.
Risk
A higher degree of safety standard applies to all applications and situations where there is a
risk of material damage or injury to persons if there is a failure. Special regulations specific to
the system apply to such applications. These must be taken into account for configuration of
the controller (e.g. VDE 0116 for furnaces).
For electronic controllers with safety responsibility, the measures required for preventing or
controlling faults depend on the hazard inherent in the plant. In this respect, the basic
measures listed above are no longer adequate once the hazard exceeds a certain potential.
Additional measures (e.g. double redundancy, tests, checksums, etc.) for the controller must
implemented and certified (DIN VDE 0801).
SIMOTION D4x5-2
Manual, 11/2010
Standards and approvals
A.2 Safety of electronic controllers
117