￭ Inverter module frame sizes R6i and R7i
The inverter cubicle is equipped with cable entries for the motor cables in the floor of the
cubicle. As standard, the output busbars are extended to the lower part of the cubicle for
easy access.
The drive control unit (type ZCU-14) is mounted onto the module; the control unit contains
the basic I/Os and slots for optional I/O modules. Other optional equipment is primarily
installed on separate mounting plates.
The cooling fan(s) is supplied from the module and can be easily replaced.
Module layout
ExplanationItem
DC (input) connection1
Motor (output) connection2
ZCU-14 control unit (with slots for optional
I/O modules)
3
I/O terminal blocks4
Control panel connector, memory unit5
Grounding/clamping plates for control
cables
6
Cooling fan holder with one (R6i) or two
(R7i) fans
7
Lifting eyes8
Cabinet layout
Each inverter module of frame sizes R6i or R7i is installed in a 400 mm wide cubicle. The
modules have a dedicated DC fuses or switch fuse. The modules have an internal capacitor
pre-charge circuit apart from largest R7i types which have an external charging contactor
and resistors.
Hardware description 25
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