6. Electrical installation
Festo P.BE-CMMS-AS-HW-EN en 0708NH 103
The CMMS-AS motor controllers have been approved in accordance
with the product standard EN 61800-3 applicable to electrical
drives
In the majority of cases, no external filter measures are required
(Chapter 5.5.3).
The EMC guidelines Declaration of Conformity is available from the
manufacturer.
6.5.4 EMC areas: second environment
When suitably installed, and with suitable cabling for all connections, the CMMS-AS motor
controller conforms to the requirements of the corresponding EN 61800-3 product stan-
dard. This standard no longer refers to "limit value classes" but rather to so-called "envi-
ronments". The "first" environment includes electricity grids connected to residential
housing. The "second" environment includes grids connected only to industrial plants.
For the CMMS-AS motor controller without external filtering measures, the following ap-
plies:
Compliance with EMC requirements
Second environment (industrial)
Motor cable length up to 15m
Second environment (industrial)
Regardless of motor cable length
Table 6.18 EMC requirements: Second environment
Note
When used in the first environment measures for interference sup-
pression may be necessary.
6.5.5 EMC-compliant wiring
The following must be observed for EMC-compliant installation of the drive system (see
also Chapter 221H6 222HElectrical installation, Seite 223H87):
Warning
For reasons of safety, all PE cables must always be connected be-
fore commissioning.
The protective earth regulations in EN 50178 and EN 60204-1 must
always be observed in the installation!
1. To keep leaked current and losses in the motor connection cable as low as possible,
the motor controller CMMS-AS should be placed as close to the motor as possible.
2. The motor and angle encoder cables must be screened.
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