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Installation
Instruction handbook
b maXX
BM5500, BM5600, BM5700
Document No.: 5.13008.10
167
7
Installation of toroidal cores
h
The three phases
without shielding
and
without PE
must be lead through the cores.
The cores must be installed and attached near the motor connection of the
BM5500,
BM5600, BM5700 .
h
When using toroidal cores it is further recommended to use current isolated bearings
on the nondrive end for synchronous/asynchronous main drives sizes 180 and higher.
Figure 80:
Mounting - single ring core
Figure 81:
Mounting - several ring cores
7.9
Requirements for the motor temperature sensors
Type
Additional requirements:
Isolation
KTY84/PT1000
-
SELV/PELV
MSKL
1)
(PTC)
R = 1 k
at T
threshold
, I
max
< 2 mA
SELV/PELV
To protect the motor against not permitted overheating, a motor temperature sensor can
be connected to the
b maXX
device. The device switches off of the motor when a settable
threshold temperature has been exceeded.
1)
Motor protection resistor (PTC) as per DIN 44080-082
NOTE!
The motor temperature sensor should be installed in such a manner that „safe elec-
trical separation“ is ensured. The motor temperature sensors integrated into
Baumüller motors meet these requirements. If third-party motors are connected, the
proprietor must ensure that the temperature sensors used in the motor of a third-party
manufacturer motor comply with the „safe electrical separation“ function.