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Safety information
2.4 Notes for operator protection
Installation and Operating Instructions SINAMICS G180
16
Operating Instructions, 02/2019, 4BS0751-007
WARNING
Live components
During operation and shortly after the system has been switched off with the EMERGENCY
OFF button, high voltages are still present in the converter and its components. These
voltages may remain if the connection to the motor is not removed or grounded. This
danger exists with permanent-magnet synchronous motors and synchronous motors which
are not de-excited immediately. These voltages may remain if the connection to the motor
is not removed or grounded. High voltages cause death or serious injury if the safety
instructions are not observed or if the equipment is handled improperly.
Never open the covers or doors when the system is in operation or while the DC link
capacitors are still discharging (in the case of current-source DC link inverters:
commutation capacitors). The DC link capacitors (commutation capacitors) can take up to
10 minutes to discharge (or 5 minutes with compact devices) after the EMERGENCY OFF
button is actuated.
WARNING
Automatic startup
Depending on parameter settings and connection of external control devices, the inverter
can start up automatically when the line voltage is connected. This can result in death,
serious injury or material damage.
Confirm whether or not your system is capable of automatic starting and, if appropriate,
take measures to ensure personal safety and operational readiness at the driven machine.
2.4
Notes for operator protection
Read the following information about personal protection.
The device complies with the safety requirements according to EN 61800-5-1 and UL 508 C.
Specialist personnel
Ensure that any transport, installation, operation or maintenance work is carried out by
qualified, trained staff. The minimum qualification must be that of an electrician in
accordance with EN 50110 "Operation of electrical systems".
For the purpose of these basic safety instructions, "skilled technical personnel" means
people who are familiar with the installation, mounting, commissioning and operation of the
product. They must be properly qualified for the tasks with which they are charged. Qualified
personnel must also be thoroughly familiar with all the safety-related instructions and
measures described in the product documentation.
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