ABB ACS880-31 Kurzanleitung für Installation und Inbetriebnahme - Seite 10
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Connection procedure with conduit
1.
Connect the power cables. ABB recommends symmetrically shielded VFD cable for connecting the motor.
•
Remove the covers as instructed in
•
Remove the shroud on the power cable terminals as instructed in
•
Frame R8: Remove the EMC plates as instructed in
•
Remove the rubber grommets from the conduit plate for the conduit to be connected. If you remove the cable
shelves, reinstall the four screw plugs to avoid moisture exchange through the empty holes.
•
Attach the conduit to the drive conduit plate, and to the motor or source of power distribution. Make sure conduit is
correctly bonded at both ends of the conduit. Ensure conductivity of the conduit. Slide the VFD shielded cable or
discrete conductors through the conduit and strip the cable ends.
•
If you use a symmetrically shielded VFD cable, twist the grounding wires together with the cable shield and connect
them to the grounding terminals. Ground the shield 360 degrees at the grounding clamp. If you use discrete
conductors connect the insulated ground conductor to the ground terminal.
•
Connect the input and motor conductors and tighten cable terminals
data.
•
Frame R8: Install the EMC plates.
•
Install the shroud on the power cable terminals.
R3
2.
Connect the control cables
•
Attach the cable conduits to the drive conduit plate. Make sure conduit is correctly bonded at both ends and that the
conductivity is consistent throughout the conduit. Slide the control cables through the conduit.
•
Cut to suitable length (note the extra length of the grounding conductors) and strip the conductors.
•
Ground the outer shields of all control cables 360 degrees at a grounding clamp.
•
For R3, ground the pair cable shields and grounding wire under the grounding clamp screw at the cable entry. For R6
and R8, ground the pair-cable shields and grounding wire under the clamp below the control unit. Use an unused
ground clamp screw. If none available ground as shown (R3 example not shown below). Leave the other end of the
shields unconnected or ground them indirectly via a high-frequency capacitor with a few nanofarads, eg, 3.3 nF /
630 V.
•
Connect the conductors to the appropriate terminals of the control unit.
•
Wire the optional modules if included in the delivery. For frame R3: To gain access to SLOT1 and SLOT2, pull the
control panel holder up.
•
Install the front covers as instructed in
Remove the covers.
Attach the residual voltage warning sticker.
Connection procedure with VFD
R6
Install the
cover(s).
R6
0.5 N·m (4.4 lbf·in)
1.5 N·m (13.3 lbf·in)
Connection procedure with VFD
cable.
.
For the tightening torques, refer to
R8
R8
1.5 N·m (13.3 lbf·in)
10
cable.
Terminal