Siemens SINAMICS S120 Equipment Manual page 300

Motor Modules Booksize
4.3 Motor Module with external air cooling
Motor Modules with a rated current as of 18 A and all Double Motor Modules conduct a
high leakage current via the PE conductor. Because of the high leakage current of the
Motor Module, a permanent PE connection of the Motor Module or control cabinet is
required.
Furthermore, the following measures must be taken according to EN 61800-5-1:
Either protective ground conductor cross-sections ≥ 10 mm
protective ground conductor of the same cross-section as the first one.
The DC link discharge voltage hazard warning in the local language must be attached to all
of the components.
A set of labels in 16 languages is supplied with the component.
A ventilation clearance of 80 mm above and below the components must be observed.
It is only permissible to establish connections to the DC link using the adapters that
SIEMENS has recommended (DC link adapter and DC link rectifier adapter).
CAUTION
The tightening torque of the DC link busbar screws (1.8 Nm, tolerance +30 %) must be
checked before commissioning. After transportation, the screws must be tightened.
If a 50 mm wide Motor Module or if a DC link component with the appropriate width (e.g.
Braking Module, Control Supply Module, Voltage Clamping Module) is located at the left-
hand end of the drive line-up, the DC link bridge (including the screws) must be removed.
The screws must not be inserted without a DC link bridge.
For all other power units and DC link components (e.g. Capacitor Module) that are wider
than 50 mm, it is neither permissible to move the DC link bridge to the left nor remove it.
If this is not carefully observed, this can result in damage and accidents.
300
DANGER
DANGER
WARNING
DANGER
DANGER
Cu or installation of a second
2
Equipment Manual, (GH2), 07/2007, 6SL3097-2AC00-0BP5
Booksize Power Units