Safety Information - Siemens SINAMICS S120 Equipment Manual

6.3.2

Safety information

CAUTION
The cooling clearances of 100 mm above and below the components must be observed.
Note
The connecting cables to the Power Modules or Motor Modules must be kept as short as
possible (max. 5 m).
CAUTION
The terminals on the voltage limiting network (Voltage Peak Limiter) must always be
connected as follows:
• Cable from the DC link of the Power Module or Motor Module at DCP, DCN and
• Cable to the dv/dt reactor 1U2, 1V2, 1W2.
Failure to connect the terminals correctly could damage the voltage peak limiter.
CAUTION
If dv/dt filters plus Voltage Peak Limiters are used that SIEMENS has not approved for
SINAMICS, these dv/dt filters may be damaged.
The surface temperature of the dv/dt reactors may exceed 80 °C.
CAUTION
If a dv/dt filter plus Voltage Peak Limiter is connected to the Power Module or Motor
Module, it must be activated during commissioning (p0230 = 2).
CAUTION
The maximum permissible output frequency when using dv/dt filters plus Voltage Peak
Limiter is 150 Hz.
dv/dt filters plus Voltage Peak Limiter discharge a high leakage current to the protective
ground conductor.
Due to the high leakage current associated with dv/dt filters, they or the relevant control
cabinet must be permanently connected to PE.
According to EN 61800-5-1, Section. 6.3.6.7, the minimum cross-section of the protective
ground conductor must conform to the local safety regulations for protective ground
conductors for equipment with a high leakage current.
Chassis Liquid Cooled Power Units
Manual, (GH7), 01/2011, 6SL3097-4AM00-0BP1
CAUTION
DANGER
Motor-side power components
6.3 dv/dt filter plus Voltage Peak Limiter
185