Installation
Instruction handbook
b maXX
BM5500, BM5600, BM5700
Document No.: 5.13008.10
165
7
In order to have EMC-compliant and problem-free use within the framework of the legis-
lation, the following aspects must be taken into account.
In case of any questions, please contact Sales or the Applications department of
Baumüller Nürnberg GmbH.
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Only use Baumüller motor cables and Baumüller components.
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Use suitable mains filters recommended by Baumüller Nürnberg GmbH.
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Mount all components on a single mounting plate with a continuously good electrically-
conductive surface (e.g. galvanized steel plate).
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Keep the ground connection device/ground plate as short as possible (< 30 cm), using
fine-stranded cables with a large cross section (>10 mm²).
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When installing, be sure to follow the correct sequence:
power supply system - fuse - filter - choke - (ferrite core) -
BM5500, BM5600, BM5700
- (motor filter) - motor.
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Ensure that the motor cable is continuous, without interruption.
Do not interrupt motor cables with terminals, contactors or fuses, for example.
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If possible route the cables on the surface of the grounded mounting plate
(i. e. the least effective antenna height).
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When routing in parallel, minimum clearance of 20 cm should be observed between
signal and control cables vis-à-vis the power cables.
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Cables of different EMC categories (e.g. signal cables - mains cables and/or motor ca-
bles) should be crossed at a 90 ° angle.
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Contact the major cable shield when laying cables through walls, which separate dif-
ferent EMC areas
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Contact all the cable’s shields on both sides surface-to-surface and also well-conduc-
tive with ground.
7.8
Avoid bearing currents
NOTE
The pulsed output voltage of a converter causes additional motor bearing currents.
Bearing currents cause localized melting on ball race and rolling body as well as wear
of the lubricant. This leads to a reduced service life of the bearing.
Bearing currents depend on:
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Motor speed
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Switching frequency of the converter
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Grounding
Furthermore the height of the bearing currents depends on:
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The applied bearing voltage
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The dielectric characteristic of the bearing lubrication
Summary of Contents for b maXX 5500
Page 315: ......
