WARNING
Electric shock due to damaged motors or devices
Improper handling of motors or devices can damage them.
Hazardous voltages can be present at the enclosure or at exposed components on damaged
motors or devices.
• Ensure compliance with the limit values specied in the technical data during transport,
storage and operation.
• Do not use any damaged motors or devices.
WARNING
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
(e.g. brake cores) at one end at the grounded housing potential.
WARNING
Electric shock if there is no ground connection
For missing or incorrectly implemented protective conductor connection for devices with
protection class I, high voltages can be present at open, exposed parts, which when touched,
can result in death or severe injury.
• Ground the device in compliance with the applicable regulations.
WARNING
Arcing when a plug connection is opened during operation
Opening a plug connection when a system is in 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
been explicitly stated that they can be opened in operation.
NOTICE
Property damage due to loose power connections
Insucient tightening torques or vibration can result in loose power connections. This can
result in damage due to re, device defects or malfunctions.
• Tighten all power connections to the prescribed torque.
• Check all power connections at regular intervals, particularly after equipment has been
transported.
Fundamental safety instructions for the SIMOTICS documentation
2.1Fundamental safety instructions
SIMOTICS S-1FT2 synchronous motors for SINAMICS S120
16 Operating Instructions, 12/2023, A5E50610821B AF
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