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Inverter module frame size R5i
General
The motor (output) cables are connected to either detachable or non-detachable screw
terminal blocks at the bottom of the cubicle. The modules have a built-in ZCU drive
control unit, which contains the basic I/Os and slots for optional I/O modules.
The modules have an internal capacitor precharge circuit.
External optional equipment is primarily installed on mounting plates in the same
cubicle.
Module layout
ExplanationItem
Power unit1
DC (input) connection2
Motor (output) connection. This has been wired
to a separate terminal block in the lower part of
the cubicle.
3
Control cable clamps4
ZCU-12 control unit. The control unit has three
slots for optional modules.
5
I/O terminal blocks6
Memory unit7
Main cooling fan8
Auxiliary cooling fan9
Standard cabinet layout
Several inverter modules of frame size R5i can be installed in one cubicle. The standard
cubicle widths are 300 and 500 mm. The number of modules that can be fitted into
the cubicle also depends on the optional equipment selected.
Each module has dedicated DC fuse disconnectors. The motor (output) connections
are detachable plug connectors located at the lower part of the cubicle.
The cubicle is equipped with cable entries at the floor.
Operation principle and hardware description 23
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