Grounding Concept; Installation Site Safety - Siemens SINAMICS GL150 Operating And Installation Instructions

2.7.3

Grounding concept

Create a grounding concept and integrate the converter within it. The grounding concept must
take into consideration national provisions and system specifics. Ensure that the following
criteria are fulfilled:
● Screw together the converter sub-units at the installation site, ensuring good conductivity.
● If shield busbars are provided, these must be connected together.
● When the converter is supplied with power, the protective ground conductor must be
2.7.4

Installation site safety

Unsafe installation sites
This drive is used in industrial high-voltage installations. Improper use, incorrect operation,
insufficient maintenance, and access by unauthorized persons can lead to accidents. The
results can be death, serious bodily injury or damage to property.
● Install the drive in electrical rooms where only qualified personnel have access. If this is
● Put up notices which indicate that only trained personnel are allowed to operate the drive
Note
Installations that include converters must be equipped with additional monitoring and protective
devices to fulfill safety requirements. Follow technical equipment legislation and accident
prevention regulations.
Note
The converter will be supplied on request without an electromechanical door interlocking
system if space is restricted. In this instance, the customer must provide an access interlock
system compliant with IEC 61800-5 /-1.
SINAMICS GL150 6SL38503UM114PA0Z
Operating Instructions 04/2017
2.7 Information for nominated persons in control of an electrical installation
connected to the system's grounding point. Select the cross-section of the protective ground
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
WARNING
not possible, then ensure that a barrier prevents uncontrolled access. Use safety fences
and appropriate signs, for example, to prevent unauthorized entry to the zone that has
been fenced off.
and carry out maintenance and repair work.
Safety information
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