ABB ACS880-17, Руководство по оборудованию

Страница: 50 / 244

50 Operation principle and hardware description

Additional wire markings (oG340 and +G342)
As standard, drive input and output terminals, plug-in connectors, fiber optic connectors
and ribbon cables are marked. The wire marking options are described below.

Cable conduit entry (H358)
The option provides US/UK conduit plates (plain 3 m steel plates without any ready-made
holes). US/UK conduit plates are provided as standard with oC129 and +C134
instead of the normal cable entries.

Common motor terminal cubicle (H359)
As standard, each inverter module must be individually cabled to the motor. This option
provides an additional cubicle containing a single set of terminals for the motor cables.
The width of the cubicle and the size of the terminals within depend on the power rating of
the drive. See chapter
Dimensions (page 191 ).
Note that this option is not available with
•
frame size 1×R8i + 1×R8i, or
•
E206 (sine filters) – in this case, the motor cables are connected to the sine
filter cubicle.

Common output terminal (H366)
As standard, each inverter module must be individually cabled to the motor. This option
adds bridging that connects the outputs of multiple (in practice, two or three) inverter
modules mounted in the same cubicle. The bridging balances the motor current between
the modules, which allows more cabling options. For example, it is possible to use a
number of cables that could not otherwise be evenly distributed between the inverter
modules.
Additional markings
+G340 Equipment pin numbers are marked with snap-on markers on wires between modules and on wires
connected to equipment, terminal blocks and detachable screw terminals. Plug-in connector
identifications are marked on labels near the connectors. The label holders are attached around
conductor bundles. Main circuit conductors are marked with white tape or printing.
+G342 Equipment identifications and terminal block pin numbers and remote addresses are marked with
hoses or rings on wires between modules, and on wires connected to equipment, terminal blocks
and detachable screw terminals. Plug-in connector identifications are marked on labels attached
around the conductor bundles near the connectors. Main circuit conductors are marked with white
tape or printing.
Note: Even wires with equipment and pin identifiers ready printed on the wire insulation are marked
with rings or hoses. Remote end addresses are not marked on wire ends that are connected to
plug-in connectors. Short and obvious connections are marked with printing only.
9. 7
7
2 4
1
K K1 24 T2 3 3 2 T
K1 24 K1 24 T2 3
T2 3