Special hazards
Operation manual b maXX BM4100 (NWR)
Document no.: 5.04052.09 Baumüller Nürnberg GmbH
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of 142
2.8
2.8 Special hazards
In the following section, the remaining marginal risks will be stated that have been iden-
tified as a result of the hazard analysis.
Observe the safety notes listed here and the warning notes in the further chapters of this
Operation manual to reduce health risks and dangerous situations.
Electrical current
Danger from re-
sidual energy
DANGER!
Risk of fatal injury from electrical current!
There is an immediate risk of fatal injury if live electrical parts are contacted. Damage
to the insulation or individual components can be life-threatening.
Therefore:
m Switch off the electrical power immediately in case of damage to the power supply
insulation.
m Only allow work on the electrical system to be performed by qualified personnel.
m Switch off the current when any kind of work is being performed on the electrical
system and ensure safety before switching on again.
DANGER!
Risk of fatal injury from electrical current!
Stored electric charge.
Discharge time of the rack system = discharge time of the device with the longest DC
link discharge time in the rack system.
See ZElectrical data– ab Seite 30.
Therefore:
m Do not touch electrically live parts before taking into account the discharge time of
the capacitors.
m Pay attention to the corresponding notes on the device.
m If additional capacitors are connected to the DC link, the DC link discharge can
take a much longer time. In this case, the necessary waiting period must itself be
determined or a measurement made as to whether the equipment is de-energized.
This discharge time must be posted, together with an IEC 60417-5036 (2002-10)
warning symbol, on a clearly visible location of the control cabinet.
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