DOK-INDRV*-HCS02*UL
***-1803-EN-P
Bosch
Rexroth
AG
17/69
Rexroth
lndraDrive
Drive
Controllers
Power
Sections
HCS02
1.1.3
Important Notes
• Establish
an
equipment grounding connection with a minimum cross sec-
tion according to the table below. With
an
outer conductor cross section
smaller than
10
mm
2
(8
AWG), the alternative connection of two equip-
ment grounding conductors
is
allowed, each having the same cross
section as the outer conductors.
Cross
section
outer
con-
Minimum
cross
section
equipment
grounding
conductor
ductor
Leakage
current
<::
3.5
mA
1
equipment
grounding
2
equipment
grounding
conductor
conductors
1.5
mm
2
(16 AWG)
2
x 1.5
mm
2
(16 AWG)
2.5
mm
2
(14 AWG)
2
x 2.5
mm
2
(14 AWG)
4
mm
2
(12 AWG)
10
mm
2
(8
AWG)
2
x 4
mm
2
(12 AWG)
6
mm
2
(10 AWG)
2
x 6
mm
2
(10 AWG)
10
mm
2
(8 AWG) -
16
mm
2
(6
AWG) -
25
mm
2
(4
AWG)
16
mm
2
(6
AWG)
-
35
mm
2
(2 AWG)
-
50
mm
2
(1/0 AWG) 25
mm
2
(4 AWG) -
70
mm
2
(2/0 AWG) 35
mm
2
(2 AWG)
-
..
.
...
...
Fig.1-1: Minimum Cross Section
of
the Equipment Grounding Connection
Protection
Against
Dangerous
Movements
Dangerous movements can
be
caused by faulty control
of
connected motors.
Some common examples are:
• Improper or wrong wiring or cable connection
• Operator errors
• Wrong input of parameters before commissioning
• Malfunction
of
sensors and encoders
• Defective components
• Software or firmware errors
These errors can occur immediately after equipment
is
switched
on
or even
after
an
unspecified time
of
trouble-free operation.
The monitoring functions
in
the components of the electric drive and control
system
will normally
be
sufficient to avoid malfunction
in
the connected drives.
Regarding personal safety, especially the danger of injury and/or property dam-
age, this alone cannot
be
relied upon to ensure complete safety. Until the
integrated monitoring functions become effective,
it
must
be
assumed
in
any
case that faulty drive movements
will occur. The extent
of
faulty drive move-
ments depends upon the type
of
control and the state
of
operation.
Dangerous
movements!
Danger
to
life,
risk
of
injury,
serious
injury
or
property
damage!
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