12.2010 Notes
Siemens AG 6RX1700-0DD74 ENGLISH 7
SIMOREG DC-MASTER Converter Commutation Protector Operating Instructions
DANGER
When this unit is operated, it is inevitable that certain components will be subject to dangerous
voltage levels. Touching these components may lead to serious physical injury or even death.
The following precautions should be taken in order to reduce the risk to life and limb.
1. Only qualified personnel who are familiar with this unit and the information supplied with it
should work on the unit involving installation, operation, troubleshooting and fault
rectification, or repair.
2. The unit must be installed in compliance with the relevant safety regulations (e.g. EN, DIN,
VDE) as well as all of the other relevant national or local regulations. Grounding, conductor
dimensioning, and the appropriate short-circuit protection measures must be carried out
correctly in order to ensure operational safety.
3. The unit must be operated with all covers supplied.
4. Before carrying out visual inspections and maintenance work, ensure that the unit is
disconnected from the supply voltage and locked-out. Before they are shut down, both the
converter unit and the motor are at dangerous voltage levels. These hazardous voltages
may be present even when the converter unit line contactor is open.
5. If measurements need to be taken while the power supply is switched on, under absolutely
no circumstances touch the electrical connection points. Remove all jewelry from wrists and
fingers. Make sure that the measuring and test equipment is in good condition and is safe to
operate.
6. When working on a unit that is switched on and on an insulated surface, make sure that no
grounding has been put in place.
7. Follow these operating instructions precisely and observe all notes concerning hazards,
warnings, or areas where caution is required.
8. This list is not exhaustive and as such cannot outline all the measures required in order to
operate the unit safely. Should you require further information or encounter specific problems
which have not been handled in enough detail for the purposes of the buyer, please contact
your local Siemens office.
CAUTION
Operating the unit in the immediate vicinity (< 1.5 m) of mobile telephones with a transmitter
power of > 1 W may lead to incorrect operation of the unit.
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