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Danger from auxiliary voltages that are connected
When you press the EMERGENCY STOP button, the motor is stopped either uncontrolled or
controlled depending on the selected category 0 or 1, and the drive blocks the inverter, in line
with IEC60204-1 (VDE0113).
Auxiliary voltages such as those for separately-driven fans or anti-condensation heating are
still present. Certain areas within the drive also remain under voltage, e.g. the control function
or auxiliaries. When touching these auxiliary voltages, this can result in death or serious
physical injury.
Ensure that the EMERGENCY OFF button is integrated in the safety system for the whole
machine so that all the voltages are completely disconnected. For this purpose, an NC contact
is installed at terminals =.LA–X51:1A or 1C and =.LA–X51:2A or 2C.
3.6.18
Safety locking system (option M10)
The safety locking system is based on the key transfer system developed by Castell. It is a
supplementary mechanism to the electromechanical door locking system integrated as
standard. The medium-voltage breaker must be opened before access can be gained to the
coded key of the key exchange unit. The opened medium-voltage breaker releases the key to
the key exchange unit. This key enables the access to the keys for the cabinet doors of the
power unit. This key interlocking system ensures that the converter is disconnected from the
medium-voltage supply and that no cabinet components are connected to medium voltage. As
long as the cabinet doors are not closed again and the keys to the power-unit cabinet are not
inserted back in the key exchange unit, the key for the medium-voltage breaker will not be
released. The medium-voltage breaker cannot be switched on again.
See also
Secure locking system (option M10) (Page 142)
3.6.19
Power cable connection at the drive input from above (option M13)
You can introduce the line-side power cable into the cabinet from the top.
3.6.20
Signal and control cable (max. 2.5 mm²) (option M32)
Signal and control cables are connected directly to the terminals on Terminal Module TM31 or
TM15 as standard. The maximum connectable cross-section for these cables to the TM31 and
TM15 Terminal Modules is limited to 1.5 mm
SINAMICS SM150 6SL3845-7NN46-7AA2
Operating Instructions Rev.201910281345 EXAMPLE
WARNING
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2
Description
3.6 Description of options
55
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