4 Electrical installation
52 Festo – GDCP-CMMP-M0-HW-EN – 1511c – English
The motor controllers CMMP-AS-...-M0 have been checked in accordance with EMC
product standard EN 61800-3 that is applicable to electric drives. The standard compon
ents from the Festo accessories were used for qualification. EMC can only be guaranteed
if the motor and encoder or resolver cables from Festo are used and not extended or
changed in any other form.
In the majority of cases, no external filter measures are required (è Section 4.13.3,
Tab. 4.27).
The declaration of conformity is available at è www.festo.com.
4.13.3 EMC areas: First and second environment
If installed correctly and if all connecting cables are wired correctly, the CMMP-AS-...-M0 motor control
lers fulfil the specifications of the related product standard EN 61800-3. This standard no longer refers
to limit value classes, but to so-called environments.
Note
The first environment (C2) includes electricity grids connected to residential housing;
the second environment (C3) includes grids connected only to industrial plants.
The device may generate high frequency interference, which may make it necessary to
implement interference suppression measures in residential areas.
Applicable for the motor controller CMMP-AS-...-M0:
EMC class Area Compliance with EMC requirements
Emitted
interference
Second environ
ment (industrial)
Motor cable lengths up to 25 m without external filters.
A suitable mains filter must be installed when longer mo
tor cables of 25 … 50 m are used.
Resistance to
interference
Second environ
ment (industrial)
Independent of the motor cable length.
Tab. 4.27 EMC requirements
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