NORDAC FLEX (SK 200E ... SK 235E) – Users Manual for Frequency Inverters
50 BU 0200 en-3118
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2.2.2 Installation of internal customer unit SK CU4-… (installation)
Information
Installation location of customer unit
Installation of the SK CU4-... customer unit separately from the device is not permitted. If must always be installed
inside the device in the intended position (option location 1). Only one customer unit can be installed per device!
Prefabricated cables are provided with the customer unit.
Connections are made according to the following table:
Bag enclosed with internal customer unit
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Wiring harness assignments (enclosed with the customer interface)
Voltage supply (24V DC)
(between device and customer interface)
GND / 0V blue
System bus
SYS L (-) grey
Voltage supply (24V DC)
(between device and customer interface)
Power supply (mains (AC))
(between supply network and customer unit)
L1 brown
Frequency output
DOUT BUS (FOUT) black
The bus modules require a 24V supply voltage.
The customer interfaces are installed inside connection unit
SK T14-…of the SK 2xxE, beneath the control terminal bar.
Fastening is
by means of the control terminal bar of the
frequency inverter and two screw bolts (bag enclosed with
the customer unit).
Only one Customer Unit per device is possible!
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