Siemens Simatic ET 200pro FC, Руководство по эксплуатации

Страница: 173 / 196

Appendix
A.2 ESD directives
ET 200pro FC
Operating Instructions, 07/2016, A5E01100763B AC
173
A.2.2 Definition of EMC environment and EMC classes
Classification of EMC behavior
The EMC environment and the EMC classes are defined in the EMC product standard
EN 61800-3 as follows:
Environment 1
An environment in which there are residential estates and facilities which are connected
directly to a public low-voltage supply network without the use of an intermediate
transformer.
Note
Example: Houses, apartments, commercial units or office rooms within a residential building.
Environment 2
An environment in which there are commercial estates and facilities which are not connected
directly to a public low-voltage supply network.
Note
Example: Developed commercial sites and other sites which are supplied by a transformer
provided specially for the purpose.
Class C1
Power drive system (PDS) with a rated voltage of less than 1000 V for use in residential
buildings.
Class C2
Power drive system (PDS) with a rated voltage of less than 1000 V, which is neither fitted
with a plug connector nor intended for (easy) transport and which, when used in residential
buildings, is designed solely for installation and commissioning by a specialist.
Note
A specialist is a person or organization with the necessary skills to install and/or commission
a power drive system (PDS) including its EMC aspects.