66/69
Bosch
Rexroth
AG
Appendix
Dimensioning
Installation
Activation
DOK-INDRV*-HCS02*UL
***-1803-EN-P
Rexroth
lndraDrive
Drive
Controllers
Power
Sections
HCS02
The individual components have to
be
sufficiently dimensioned:
• Value of the discharging resistor: 1000 ohm and at least 1000 W
• The discharging resistor and the contactor contact have to withstand the
loads of practical operation (for example
in
the case
of
frequent use of the
discharging device of the occurring continuous power).
• The contactor contact has to withstand the occurring direct voltage of a
minimum
of
1000 V.
•
The contactor contact has to withstand the occurring discharge current
according to the resistance value that
is
used, i.e. 1 A with 1000 ohm.
-
!V/Jm@G-
Lethal
electric
shock
caused
by
live
parts
with
more
than
50
V!
Before working
on
live parts:
De
-energize the installation and secure the power
switch against unintentional or unauthorized re-energization.
Wait at
least
30
minutes
after switching off the supply voltages to allow dis-
charging.
Check whether voltages have
fallen below 50 V before touching live parts!
NOTICE
Risk
of
damage
by
intense
heat!
During the discharging process, the discharging resistor generates intense
heat. Therefore, place the discharging resistor
as
far as possible from heat-
sensitive components.
How
to
install
the
discharging
device
1.
Preferably install discharging device
before
switching
on
supply
voltage
for
the
first
time
.
If you install discharging device after having switched
on
supply voltage
for the first time, wait
30
minutes to allow discharging. Check whether
voltage has fallen below 50 V before touching live parts!
2.
Place discharging resistor as far
as
possible from heat-sensitive compo-
nents.
Observe the following order for activating the discharging device:
1.
De-energize installation and secure power switch against unintentional or
unauthorized re-energization.
2.
Activate discharging device.
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