X1 Functional Ground - Siemens SINAMICS S120 Equipment Manual

Figure 10-14 Circuit diagram: Voltage Clamping Module
10.5.3.2

X1 functional ground

X1 functional ground
To ensure that the Voltage Clamping Module functions properly, a functional ground must be
connected to X1. Please note:
• The cables must be routed via the shortest possible path
• Cross-section: 4 mm² to 16 mm²
• When a line filter is used, the functional ground should be located on the metallic
• In systems without a line filter, it should be connected on the PE busbar.
Equipment Manual Booksize Cold-Plate Power Sections
Manual, (GH4), Edition 06.2005, 6SL3097-2AJ00-0BP2
installation panel in the immediate vicinity of the line filter.
DC link components
10.5 Voltage Clamping Module (VCM)
10-27