Siemens 6SR41 series Product User Manual page 16

Safety Precautions and Warnings
Electrical Hazards!
• Always follow the proper lock-out/tag-out procedures before beginning any maintenance
• Always follow standard safety precautions and local codes during installation of external
• Always work with one hand, wear insulated or rubber safety shoes, and wear safety
• Always use extreme caution when handling or measuring components that are inside
• Use only instrumentation (e.g., meters, oscilloscopes, etc.) intended for high voltage
• Never assume that switching off the input disconnect will remove all voltage from
• Never touch anything within the GenIV cabinets until verifying that it is neither thermally
• Never remove safety shields (marked with a HIGH VOLTAGE sign) or attempt to
• Never run the drive with cabinet doors open. The only exception is the control cabinet
• Never connect any grounded (i.e., non-isolated) meters or oscilloscopes to the GenIV
• Never connect or disconnect any meters, wiring, or printed circuit boards while the drive
• Never defeat the instrument's grounding.
• Only qualified individuals should install, operate, troubleshoot, and maintain this drive. A
• Hazardous voltages may still exist within the GenIV cabinets even when the disconnect
• When a system is configured with drive bypass switchgear (e.g., contactors between
14
DANGER
or troubleshooting work on the drive.
wiring. Protective separation must be kept between extra low voltage (ELV) wiring and
any other wiring as specified in IEC61800-5-1.
glasses. Also, always work with another person present.
the enclosure. Be careful to prevent meter leads from shorting together or from touching
other terminals.
measurements (that is, isolation is provided inside the instrument, not provided by
isolating the chassis ground of the instrument).
internal components. Voltage is still present on the terminals of the input disconnect.
Also, there may be voltages present that are applied from other external sources.
hot nor electrically alive.
measure points beneath the shields.
which contains extra low voltages (ELV).
system.
is energized.
qualified individual is "one familiar with the construction and operation of the equipment
and the hazards involved."
switch is open (off) and the supply power is shut off.
line and motor, and drive and motor), these switches should be interlocked so that the
line voltage is never applied to the drive output if the medium input voltage is removed
from the drive.
Operating Instructions, Version AE 12/2009, A5E01454341C
Product User Manual