Base Drive Panel Connections - Siemens 6RA70 Series Instructions Manual

Microprocessor-based converters from 15a to 1680a for variable speed dc drives
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7 Base Drive Panel Connections

WARNING
Base Drive Panels are operated at high voltages.
Disconnect the power supply before making any connections!
Only qualified personnel who are thoroughly familiar with all safety notices contained in the
operating instructions as well as erection, installation, operating and maintenance instructions
should be allowed to work on these devices.
Non-observance of the safety instructions can result in death, severe personal injury or
substantial property damage.
Failure to make the correct connections may result in irreparable damage to the unit.
Voltage may be present at the power and control terminals even when the motor is stopped.
The snubber capacitors may still carry a hazardous voltage for up to 2 minutes after
disconnection. For this reason, wait for at least 2 minutes before opening the converter.
When working on the open converter, remember that live parts are exposed. The unit must
always be operated with the standard front covers in place.
The user is responsible for ensuring that the motor, SIMOREG Base Drive Panel and other
devices are installed and connected up in accordance with the approved codes of practice of
the country concerned and any other regional or local codes that may apply. Special attention
must be paid to proper conductor sizing, fusing, grounding, isolation and disconnection
measures and to overcurrent protection.
These units contain hazardous rotating machinery (fans) and control rotating mechanical
components (motors). Death, serious bodily injury or substantial property damage may occur if
the instructions in the relevant operating manuals are not observed.
The successful and safe operation of this equipment is dependent on careful transportation,
proper storage and installation as well as correct operation and maintenance.
Siemens Energy & Automation
SIMOREG DC Master Base Drive Panel Operating Instructions
7-1

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