2 Assembly and installation
BU 0250 en-3021
35
Information
Connection material, e.g. T-connectors for connection of double initiators, for looping an external
24 V DC supply or an STO signal, can be obtained commercially or can be obtained from NORD on
request (see ).
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2.2.2.3
Configuration of option slots on the connection level
The connection level of the field distribution frequency inverter is divided into 2 areas.
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DANGER
Electric shock at X2
An optional
mains connection outlet
(
LA
) on option slot
X2
can also not be switched off with a repair and
maintenance switch (option slot
H3
). This may therefore still be at mains voltage.
•
Do not touch any contacts.
•
Disconnect the device from the mains (mains supply, option slot
X1
).
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Area 1, option slots X1 to X4
Typical machinery connectors are used. These are primarily used to connect the mains and motor
cables. Special connector variants additionally ensure the connection of a PTC resistor or a 24 V DC
supply or a brake resistor. The plug connectors are equipped with a detachable protective cap.
The
mating connector is not included in the scope of delivery.
Option slot
Plug connector type
Function
Contact assignment
X1
a HARTING Q4/2+
(plug connector)
Mains connection
(supply)
LE
4 mm
2
/ 25 A
(24 V DC: 1.5 mm
2
)
6 mm
2
/ 30 A
1
L1
2
L2
3
L3
4
N
(without 24 V DC!)
PE
PE
11
24 V DC
12
GND
b PHOENIX QPD-25
(plug connector)
Mains connection
(supply)
LE
2.5 mm
2
/ 16 A
1
L1
2
L2
3
L3
PE
Summary of Contents for NORDAC LINK SK250E-FDS
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