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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
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
NOTICE
Damage to equipment due to unsuitable tightening tools.
Unsuitable tightening tools or fastening methods can damage the screws of the equipment.
• Be sure to only use screwdrivers which exactly match the heads of the screws.
• Tighten the screws with the torque specified in the technical documentation.
• Use a torque wrench or a mechanical precision nut runner with a dynamic torque sensor
Power Module PM240P-2
Hardware Installation Manual, 06/2020, A5E37800827C AD
WARNING
used (e.g. brake cores) at one end at the grounded housing potential.
WARNING
been explicitly stated that they can be opened in operation.
WARNING
start work.
and speed limitation system.
Fundamental safety instructions
1.1 General safety instructions
7
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