11.98 Connection
Siemens AG 67087-6AC85-0AA0 ENGLISH
3-1
Common Rectifier Operating instructions
3 Connection
WARNING
The units are operated with high voltages.
Only carry out connection work after disconnecting the voltage!
All work on the unit must only be carried out by qualified persons.
Non-observance of warning notices can result in death, severe personal injury or
considerable property damage.
As the result of the dc link capacitors in the connected SIMOVERT Master Drives, the unit
still contains a hazardous voltage up to 5 min. after isolation. This is why it is only
permitted to open the unit after observing an appropriate waiting time.
The power terminals and control terminals may carry a voltage even when the motor is at
standstill.
When working on the open unit, pay attention to the fact that live parts are exposed.
The user is responsible for ensuring that the rectifier unit, converter, motor and other units
are installed and connected in accordance with the technical regulations recognised in the
country of installation (in Germany: VDE, VBG4) and other regionally valid regulations. In
doing so, particular attention must be paid to cable dimensioning, fusing, earthing,
deactivation, isolation and overcurrent protection.
NOTES
When the components used were being selected and when the clearance and creepage distances were being
determined, the regulations for safe isolation in accordance with VDE 0160 / prEN 50178 were complied with.
It is the responsibility of the user to take these specifications into account when selecting an external power
supply.
An external 24 V power supply is required in order to operate the unit (see Chapters 3.5 and 9.3).
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