ABB ACS880-01 Series Manual de instalação rápida e de arranque - Página 4

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ABB ACS880-01 Series Manual de instalação rápida e de arranque

9. Connect the power cables

IEC connection diagram with shielded cables
L1
L2
L3
PE
d
b
a
(PE)
PE
(PE)
L1
L2
L3
a. Two protective earth (ground) conductors. Drive safety standard IEC/
EN 61800-5-1 requires two PE conductors, if the cross-sectional area
of the PE conductor is less than 10 mm
you can use the cable shield in addition to the fourth conductor.
NEC connection diagram with symmetrically shielded cable or conduit
L1
L2
L3
PE
a
PE
L1
L2
L3
Note: NEC installation can include separate insulated conductors
inside a conduit, shielded VFD cable in conduit, or shielded VFD cable
without conduit. The normal dashed symbol (c) in this diagram
represents the shield of shielded VFD cable. The same solid symbol (b)
represents conduit.
a. Insulated ground conductor in a conduit: Ground to drive's PE
terminal and to the distribution panel ground bus. For a VFD cable
installation see d.
b. Conduit ground: Bond the conduit to the drive's conduit box and to
the distribution panel enclosure. For a VFD cable installation see c.
Connection procedure with VFD cable
For connection procedure with conduits, see
procedure with conduit
.
Attach a residual voltage warning sticker in the local language:
Frames R1...R3: to the control panel mounting platform
Frames R4, R5: next to the control unit top
Frames R6...R9: next to the control unit.
UDC+
R- R+
UDC-
T1/U T2/V T3/W
d
e
U1
2
2
Cu or 16 mm
UDC+
UDC-
R-
T1/U T2/V T3/W
R+
b
f
c
e
U1
Connection
b. Use a separate grounding cable or a cable
with a separate PE conductor for the line
side, if the conductivity of the fourth
conductor or shield does not meet the
requirements for the PE conductor.
c. Use a separate grounding cable for the
d
motor side, if the conductivity of the shield
is not sufficient, or if there is no
symmetrically constructed PE conductor in
c
the cable.
d. 360-degree grounding of the cable shield is
required for the motor cable and brake
resistor cable (if used). It is also
recommended for the input power cable.
V1
W1
e. If necessary, install an external filter (du/dt,
PE
M
common mode, or sine filter). Filters are
3
available from ABB.
Frames R1...R4 have a built-in brake chopper
as standard. Frames R5 and up can be
equipped with optional built-in brake chopper
Al. For example,
(+D150). Brake resistors are available as add-
on kits.
c. Shield of a VFD shielded cable: Ground the
shield 360° under drive's grounding clamp,
then twist with the ground conductors and
connect under the drive's ground terminal.
d
Ground the shield also 360° at the motor end,
then twist and connect under the motor's
ground terminal. For a conduit installation
see b.
d. Symmetrically constructed grounding
conductors inside a VFD shielded cable:
Twist together, combine with the shield and
connect under the drive's ground terminal
d
and under the motor's ground terminal. For a
conduit installation see a.
V1
W1
e. External brake resistor connection (if used):
M
PE
For a conduit installation see a and b. For a
3
VFD cable installation see c and d. In
addition, cut the third phase conductor
which is not needed for the brake resistor
connection.
f. If necessary, install an external filter (du/dt,
common mode, or sine filter). Filters are
available from ABB.
Frames R1...R4 have a built-in brake chopper as
standard. Frames R5 and up can be equipped
with optional built-in brake chopper (+D150).
Brake resistors are available as add-on kits.
Note: All openings in the drive enclosure must
be closed with UL listed devices having the
same Type rating as the drive Type.
4