2 Assembly and installation
BU 0250 en-3021 35
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.
Pos: 77 /Anleitungen/ Elektronik/FU und St arter/2. Montage und Inst allation/Montage/ FDS [SK xxxE-FDS]/GEFAHR - E lektrischer Schlag an X2 [ SK xxxE-FDS] @ 18\mod_149639709632 7_388.docx @ 2351871 @ @ 1
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).
Pos: 78 /Anleitungen/ Elektronik/FU und St arter/2. Montage und Inst allation/Montage/ FDS [SK xxxE-FDS]/Auss tattungsvarian ten_03_Konfiguration der Optionsplätze der Anschlussebene_02 [SK xxxE -FDS] @ 50\mod_1600934788 465_388.docx @ 2672917 @ 5 @ 1
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
(plug connector)
(supply)
2
(plug connector)
(supply)