Siemens SINAMICS S120 Manuale delle applicazioni - Pagina 13

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Electric shock due to unconnected cable shield

Hazardous touch voltages can occur through capacitive cross-coupling due to unconnected

cable shields.

● As a minimum, connect cable shields and the conductors of power cables that are not used

Arcing when a plug connection is opened during operation

Opening a plug connection when a system is operation can result in arcing that may cause

serious injury or death.

● Only open plug connections when the equipment is in a voltage-free state, unless it has

Electric shock due to residual charges in power components

Because of the capacitors, a hazardous voltage is present for up to 5 minutes after the power

supply has been switched off. Contact with live parts can result in death or serious injury.

● Wait for 5 minutes before you check that the unit really is in a no-voltage condition and start

NOTICE

Property damage due to loose power connections

Insufficient tightening torques or vibration can result in loose power connections. This can

result in damage due to fire, device defects or malfunctions.

● Tighten all power connections to the prescribed torque.

● Check all power connections at regular intervals, particularly after equipment has been

Spread of fire from built-in devices

In the event of fire outbreak, the enclosures of built-in devices cannot prevent the escape of

fire and smoke. This can result in serious personal injury or property damage.

● Install built-in units in a suitable metal cabinet in such a way that personnel are protected

● Ensure that smoke can only escape via controlled and monitored paths.

Motor Modules Booksize parallel connection

Application Manual, 01/2020, 6SL3097-5BF00-0BP0

WARNING

(e.g. brake cores) at one end at the grounded housing potential.

WARNING

been explicitly stated that they can be opened in operation.

WARNING

work.

transported.

WARNING

against fire and smoke, or take other appropriate measures to protect personnel.

Fundamental safety instructions

2.1 General safety instructions