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System-Inherent Frequencies; Torsional Loading Of The Drive Train Due To Faults In The Electrical Supply; Transport And Storage; Transport Markings - Siemens SIMOTICS DC 1HS6 Operating Instructions And Installation

Dc motor
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Connecting an external fan motor (Page 62)
4.7

System-inherent frequencies

NOTICE
Machine damage caused by system resonances
The system consisting of the foundation and machine set must be configured and matched
in such a way that no system resonances can arise and result in the permissible vibration
levels being exceeded. Excessive vibrations can damage the machine set. The vibration limit
values according to DIN ISO 10816-3 must not be exceeded.
4.8

Torsional loading of the drive train due to faults in the electrical supply

In the event of faults in the electrical supply, such as failure of the field supply or short circuit
across terminals, excessive air gap torques can occur, which can lead to additional torsional
loads on the drive train.
Serious damage to the machine
If the configuration does not correctly recognize the mechanical torsional loadings of the shaft
assembly, this can lead to serious damage to the machine. This can result in death, serious
injury or material damage.
When planning the system, make due allowance for the maximum air gap torques that can
occur.
Note
The system planner is responsible for the entire drive train.
4.9

Transport and storage

4.9.1

Transport markings

The packing differs depending on the transport type and size. If not otherwise contractually
agreed, the packaging corresponds to the packing guidelines for International Standards for
Phytosanitary Measures (ISPM).
SIMOTICS DC 1HS6
Operating Instructions 02/2016
WARNING
Preparations for use
4.9 Transport and storage
27

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