Safe Torque Off (STO)
Instruction handbook
b maXX
BM4400, BM4600, BM4700
Document No.: 5.12008.07
Baumüller Nürnberg GmbH
330
C.2
C.2
Safe Torque Off (STO)
C.2.1 Safety classifications and safety notes
according to EN ISO 13849-1 and EN 62061
In combination with the Baumüller BM4000 controller LC3, the Baumüller b maXX converter
BM4XXX-XXY-XXXXX[Ryy]-
S01
-xx provides the safety function STO (Safe Torque Off).
m
The drive is without torque in STO function.
m
The activation of the power amplifier is reliable disabled.
m
The STO function fulfills the stop category 0 according EN 60204-1.
The drive stops after coasting, if there is no force at the drive shaft.
If STO function is selected, no danger will occur from the drive.
A starting of the drive without a disabling of the STO function is not possible.
NOTE
If the safety relay is switched off, it is not possible to use a ballast switch at BM441X
and BM442X.
NOTE
A device with safety relay is not a safe device. The device with safety relay does not
comply with the PL level according to ISO 13849 and SIL according to EN 61800, if
the part number
does not
start with
„06“
. This device is not certified for safety func-
tions!
NOTE!
Devices with the approval mark of TÜV Rheinland and the Safety label provide a cer-
tified safety function, only, refer to
Summary of Contents for b maxx BM4400
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