Structure of the drive group
2.6 Heat Dissipation of the Control Cabinet
Guide for the SINUMERIK 840D sl machine configuring
Manual, 07/2006 Edition, 6FC5397-6CP10-0BA0
2-31
2.6.4 Power Loss of the SINUMERIK Components
The following power losses govern the operation with rated power:
Component Power loss
NCU 7x0 55 W
NX1x 20 W
2.6.5 Power Loss of the SINAMICS Components
The following table shows the power loss for components with internal air cooling. The
characteristic values apply for the following conditions:
● Line voltage for Line Modules 400 V
● Pulse frequency of the Motor Modules 4 kHz
● Rated pulse frequency of the Active Line Modules 8 kHz
● Operating components at their rated power
Table 2-3 Overview of power losses
Unit Power loss
Control Units and Option Boards
CU320 W 20
TB30 W < 3
CBC10 W < 3
CBE20 W 2,8
Basic Line Filter for Active Line Modules
16 kW W 16
36 kW W 28
55 kW W 41
80 kW W 48
120 kW W 95
Wideband Line Filter for Active Line Modules
16 kW W 70
36 kW W 90
55 kW W 110
80 kW W 150
120 kW W 200
Wideband Line Filter for Smart Line Modules
5 kW W 5
10 kW W 9
16 kW W 16
36 kW W 28
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