Siemens SINAMICS S120 Betriebshandbuch - Seite 9

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Danger to life through unexpected movement of machines when using mobile wireless

devices or mobile phones

Using mobile radios or mobile phones with a transmit power > 1 W closer than approx. 2 m

to the components may cause the devices to malfunction, influence the functional safety of

machines therefore putting people at risk or causing material damage.

• When close to components, switch off all wireless devices and mobile phones.

Danger to life due to the motor catching fire in the event of insulation overload

There is a greater load on the motor insulation as a result of a ground fault in an IT system.

A possible result is the failure of the insulation with a risk for personnel as a result of fire

and smoke.

• Use a monitoring device that signals an insulation fault.

• Correct the fault as quickly as possible so the motor insulation is not stressed.

Danger to life due to fire if overheating occurs because of insufficient ventilation clearances

Inadequate ventilation clearances can cause overheating with a risk for personnel as a

result of fire and smoke. This can also result in increased downtime and reduced service

lives for devices/systems.

• Ensure compliance with the specified minimum clearances as ventilation clearance for

Risk of an accident due to missing or illegible warning labels

Missing or illegible warning labels can result in death or serious injury.

• Check that the warning labels are complete based on the documentation.

• Attach any missing warning labels to the components, in the national language if

• Replace illegible warning labels.

Option L34 parameterizing the circuit breaker on the output side

Operating Instructions, 04/2014, A5E02914106A

WARNING

the respective component. They can be found in the dimension drawings or in the

"Product-specific safety instructions" at the start of the respective section.

WARNING

necessary.

Safety notes

1.1 General safety instructions