16/69
Bosch
Rexroth
AG
Important Notes
DOK-INDRV*-HCS02*UL
***-1803-EN-P
Rexroth lndraDrive Drive Controllers Power Sections HCS02
1.1.2
Protection
Against
Contact
with
Electrical
Parts
and
Housings
l@f'
This section concerns components of the electric drive and control
system with voltages of
more
than
50
volts
.
Contact with parts conducting voltages above
50
volts can cause personal
danger and electric shock. When operating components
of
the electric drive
and
control system, it
is
unavoidable that some parts
of
these components
conduct dangerous
voltage.
High
electrical
voltage!
Danger
to
life,
risk
of
injury
by
electric
shock
or
serious
injury!
• Only qualified persons are allowed to operate, maintain and/or repair the
components of the
electric drive and control system.
• Follow the general installation and safety regulations when working
on
power installations.
•
Before switching on, the equipment grounding conductor must have been
permanently connected to all electric components
in
accordance with the
connection diagram.
• Even for brief measurements or tests, operation
is
only allowed if the
equipment grounding conductor has been
permanently connected to the
points of the components provided for this purpose.
• Before accessing electrical parts with voltage potentials higher than 50
V,
you must disconnect electric components from the mains or from the pow-
er
supply unit. Secure the electric component from reconnection.
• With electric components, observe the following aspects:
Always wait
30
minutes
after switching off power to allow live capacitors
to discharge before accessing
an
electric component. Measure the elec-
trical voltage
of
live parts before beginning to work to make sure that the
equipment
is
safe to touch.
• Install the covers and guards provided for this purpose before switching
on
.
• Never touch electrical connection points of the components while power
is
turned
on
.
• Do not remove or plug
in
connectors when the component has been pow-
ered.
• Under specific conditions, electric drive systems can
be
operated at mains
protected by residual-current-operated circuit-breakers sensitive to uni-
versal current (RCDs/RCMs).
•
Secure built-in devices from penetrating foreign objects and water, as well
as from direct contact, by providi
ng
an
external housing, for example a
control cabinet.
High
housing
voltage
and
high
l
eakage
current!
Danger
to
life,
risk
of
injury
by
electric
shock!
• Before switching
on
and before commissioning, ground or connect the
components
of
the electric drive and control system to the equipment
grounding conductor at the groundi
ng
points.
• Connect the equipment grounding conductor of the components
of
the
electric drive and control system permanently to the main power supply at
all
times. The leakage
cu
rrent
is
greater than 3.5 mA.
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