Siemens SINAMICS S120 Equipment Manual page 161

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, the DC link bridge must be moved to the right and fastened; it must not be
moved to the left or removed.
If this is not carefully observed, this can result in damage and accidents.
CAUTION
The total length of all the power cables (motor supply cables and DC link cables) must not
exceed 350 m in active mode.
CAUTION
Only cables from Siemens must be used for DRIVE-CLiQ connections.
NOTICE
The external air cooling can cause the fans and the heat sink to become heavily
contaminated, which may trigger the temperature monitor in the power unit. The fans and
heat sink must be checked for contamination at regular intervals and, if necessary, cleaned.
Note
After installation, the seal on the rear of the device must be checked to ensure that it is tight.
Additional sealing can be used, if necessary.
CAUTION
The DC link side covers are supplied as standard with the components; they can also be
ordered separately, if required (order no.: 6SL3162-5AA00-0AA0).
If the Line Module is not disconnected from the network (e.g. via the main contactor or main
circuit-breaker), the DC link remains charged.
Booksize Power Units
Equipment Manual, (GH2), 07/2007, 6SL3097-2AC00-0BP5
DANGER
WARNING
3.3 Active Line Modules with external air cooling
Line Modules Booksize
161