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4.21.3
Protection against corrosion
If the machine is stored in dry conditions, then apply the subsequently listed anti-corrosion
measures:
● Storage up to six months:
● Storage for longer than six months:
● Inspect the machine regularly and if necessary, apply an additional coating of corrosion
Document all preservation measures taken so that they can be reversed before the machines
are put back into service.
4.22
Converter operation
The following chapter is relevant only if the machine has been ordered for converter operation.
Note
The order number shows whether the machine was ordered for converter operation. In this
case, digits 1, 2, 3 or 4 is located at the 6th position of the order number.
4.22.1
Converter operation of explosion-proof machines
The operation of the explosion-proof machine on the frequency converter is permitted, when
the specifications for the speed control range and torque characteristic are observed, and if
winding temperature monitoring is ensured via the integrated temperature sensors in
conjunction with a tripping unit.
Operation with a converter that is not permissible for the application
If a certain converter type has been defined in the test verification document, on the extra
rating plate, or in the certificate, the machine is only allowed to be operated with this converter.
Death, serious injury, or material damage can result if it is operated with an unauthorized
converter.
● Only operate the motor with the specified converter.
SIMOTICS FD 1MN1
Operating Instructions 02/2019
Apply a coat of corrosion protective compound to all accessible bare metal parts such as the
exposed shaft extension, flange or machine feet.
Apply a coat of long-term anti-corrosion agent to all accessible bare parts.
protection.
WARNING
Preparations for use
4.22 Converter operation
51
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