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4.12
Noise emissions
Noise emissions
During operation, the machine's noise emission levels can exceed those permitted at the
workplace, which can cause hearing damage.
● Ensure that nobody is in the area of increased noise emissions during machine operation.
● Take steps to reduce noise so that the machine can be operated safely within your system.
4.13
Rotational speed limit values
Excessive rotational speed can lead to serious damage to the machine. This can result in
death, serious injury, or material damage.
● Avoid operation above the permissible speed by using the appropriate control function.
● Observe the speeds stamped on the rating plate.
4.14
Voltage and frequency fluctuations during line operation
Unless otherwise stated on the rating plate, the permissible voltage/frequency fluctuation is
corresponds to Zone B in IEC / EN 60034‑1. Permissible fluctuations that go beyond this are
indicated on the rating plate.
Operate the machine in continuous operation in Zone A. Prolonged operation in Zone B is not
recommended:
● Exceeding the permissible tolerances for voltage and frequency can lead to an
● Limit exceptions of this sort with regard to the values that arise, how often, and for how long
● Where possible and within a reasonable time take corrective actions such as reducing the
SIMOTICS FD 1LQ1
Operating Instructions 01/2019
The following measures may help to reduce noise.
– Covers
– Noise insulation
– Hearing protection measures
impermissibly high temperature rise of the winding. This can result in long-term damage to
the winding.
they occur.
power. In this way you can avoid that the service life of the machine is reduced as a result
of thermal aging.
Preparations for use
4.12 Noise emissions
33
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