Using The Equipotential Bonding Strip And Shield Bus; Connecting The Protective Grounding - Siemens SINAMICS GL150 Operating And Installation Instructions

NOTICE
Missing connection to equipotential-bonding conductor
If the control cabinets are not connected to an equipotential-bonding conductor, malfunctions
can occur in the converter.
Connect all control cabinets involved in meshed drives to an equipotential-bonding conductor
(min. 16 mm
6.4

Using the equipotential bonding strip and shield bus

Each converter cabinet is equipped with an equipotential bonding strip or grounding bar to
simplify connection of the equipotential bonding conductors.
Connect all internal and external components to this equipotential bonding busbar. is Attach
the shields of incoming and outgoing cables directly to the shield bus. It is important here to
establish the greatest possible area of contact and a good conductive connection.
Figure 6-5
6.5

Connecting the protective grounding

Connect the protective grounding to the cabinets and components in the system via the PE
conductor. Use the ground clamps for this, or the special terminal provided for the auxiliary
voltage.
Route the protective conductors in accordance with IEC 60204‑1 (DIN EN 60204‑1/VDE 0113
Part 1) Safety of machinery – Electrical equipment of machines – Part 1: General requirements.
SINAMICS GL150 6SL38503UM114PA0Z
Operating Instructions 04/2017
). The PE connection provided by the customer is not sufficient.
2
Equipotential bonding strip
6.4 Using the equipotential bonding strip and shield bus
Electrical connection
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