Siemens SINAMICS G120 Come iniziare - Pagina 9

Danger to life due to electric shock when opening plug connections in operation

When opening plug connections in operation, arcs can result in severe injury or death.

• Only open plug connections when the equipment is in a no-voltage state, unless it has

Danger to life due to fire spreading if housing is inadequate

Fire and smoke development can cause severe personal injury or material damage.

• Install devices without a protective housing in a metal control cabinet (or protect the

• Additionally, select the installation site so that an uncontrolled spreading of smoke can

• Ensure that smoke can escape via designated paths.

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

devices or mobile phones

Using mobile wireless devices or mobile phones with a transmitter power > 1 W closer than

approx. 2 m to the components may cause the devices to malfunction and influence the

functional safety of machines, therefore putting people at risk or causing material damage.

• Switch the wireless devices or mobile phones off in the immediate vicinity of the

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

There is a greater load on the motor insulation through a ground fault in an IT system. A

possible result is the failure of the insulation with a risk for personnel through smoke

development and fire.

• Use a monitoring device that signals an insulation fault.

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

Converters with CU250S-2 Control Units

Getting Started, 10/2013, FW V4.6, A5E32899990B AA

WARNING

been explicitly stated that they can be opened in operation.

WARNING

device by another equivalent measure) in such a way that contact with fire inside and

outside the device is prevented.

be avoided in the case of a fire.

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components.

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Safety information

1.1 General safety instructions