Siemens SINAMICS S120 Equipment Manual page 176

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Line Modules Booksize

3.3 Active Line Modules with external air cooling

The total length of all the power cables (motor supply cables and DC link cables) must not

exceed 350 m in active mode.

Only cables from Siemens must be used for DRIVE-CLiQ connections.

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.

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.

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.

Manual, (GH2), 06/2008, 6SL3097-2AC00-0BP6

Booksize power units