Protective Conductor - Siemens SINAMICS G110M Operating Instructions Manual

Additional measures
Finely stranded, braided copper cables have to be routed in parallel with the cable shields in the
following cases:
• Old installations with already existing unscreened cables
• Cables with poor high-frequency properties
• Installations with bad grounding systems
The connections in the following figure provide a solid, high-frequency bonding between the
driven machine and the converter.
Figure 4-10
4.3.3

Protective conductor

Danger to life caused by high leakage currents for an interrupted protective conductor
The drive components conduct a high leakage current via the protective conductor. Touching
conductive parts when the protective conductor is interrupted can result in death or serious
injury.
• Dimension the protective conductor as stipulated in the appropriate regulations.
Distributed converter for SIMOGEAR geared motors
Operating Instructions, 10/2020, FW V4.7 SP13, A5E31298649B AL
Additional high-frequency bonding of the drive system
WARNING
Installation
4.3 Electrical Installation
65