Grounding Concept - Siemens SINAMICS SM150 Operating Instructions Manual

● The technical data as well as the specifications relating to the permissible installation,
● Only qualified personnel or personnel supervised by responsible, skilled specialists are
● During shipping, specific transport conditions are adhered to.
● Assembly is performed according to assembly instructions. Separate cabinet units are
● All instructions for EMC-compatible installation, cabling, shielding, grounding, and for
● Commissioning is only to be performed by qualified personnel trained for that purpose in
● System configuration is carried out by an experienced system integrator. Additional system
● The device is only operated in conjunction with the engineered components.
● Different operating modes, overloads, load cycles, and differing environmental conditions
Make use of the support and services offered by the relevant service center for planning,
installation, commissioning, and servicing work. You can find the relevant contact person under
"Service & Support (Page 155)".
2.7.2

Grounding concept

Draw-up a grounding concept and integrate the device into this concept. The grounding
concept must take into consideration national provisions and system specifics. Ensure that the
following criteria are fulfilled:
● At the installation site, the various subunits must be screwed together to establish a good
● If shield busbars are provided, these must be connected together.
● The protective grounding conductor must be connected to the system the grounding point.
SINAMICS SM150 6SL3845-7NN42-2AA3 HBIS Shigang WRM NTM
Operating Instructions Rev.202003051222 3005356504
2.7 Information for nominated persons in control of an electrical installation
connection, ambient and operating conditions are taken into account at all times.
allowed to carry out basic planning and all work on the device.
connected properly (cables and busbars).
adequate auxiliary power supply are to be observed.
accordance with the commissioning instructions.
components - such as circuit-breaker, transformer, cables and motor - are coordinated and
harmonized with one another for drive operation.
are permitted only after special arrangement with the manufacturer.
electrical connection between them.
Select the highest cross-section of the protective grounding conductor from one of the
following variants:
– According to local wiring regulations
– Calculated according to IEC 60364-5-54, 543.1
– Half a phase conductor cross-section
Safety instructions
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