NORD TI 275280000 User Manual

This document is only valid in combination with the operating instructions of the respective frequency converter.

Technical Information / Datasheet

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SK TI4-TU-BUS

Part number: 275 280 000

Bus connection unit

ATTENTION

All of the information that is relevant for a safe start-up of this assembly and the frequency converter is only
available under these conditions.

Validity of document

Scope of delivery

1 x Bus connection unit SK TI4-TU-BUS
1 x System bus cable set grey / black
1 x 24 VDC cable set brown / blue
1 x PE cable green / yellow
1 x Gasket 2 mm self-adhesive
2 x Leadthrough grommet 22 mm x 9.5 mm
4 x Hexagon socket M4 x 20

Usage area

The bus connection unit f orms the basis for the bus options and IO - expansions of model SK TU4-.
The terminal strip is divide d into thr e e pot ent ia l leve ls . T he func tions of the in di vid ual terminals depend
on the selected field bus or IO - expansion, and are no t defined until both elem ent s are j oined t oge ther
(BUS connection un it and f ield bus or IO expansio n). The BUS - connection u nit can b e installed onto
or in the immediate vicinity of a frequency converter (SK 180E … SK 2xxE).

Technical data

Temperature range -25 °C … 50 °C Vibration resistance 3M7
Temperature class Class 3K3 Hardware version BB
Protection class IP55 Dimensions [mm] H x W x D: 95 x 136 x 55
Current rating 3A

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Connection unit SK TI4-TU-BUS

1.0 Erstausgabe / first issue 1613 Rck TI 275280000 GB

version reason for change(s) issue name document speech

Connection unit – SK TI4-TU-BUS

Incoming or outgoing line for system bus or 24 V supply, for

Leadthrough for wiring between optional assembly and frequency

Features

1. No function, M20 x 1,5

2. Diagnosis access, RJ12 socket

3.

Cable entry M20 x 1.5 (1 on left, 1 on right):

example

4.

Cable entry M25 x 1.5 (2 pcs.):

converter with direct attachment.

5.

Cable entry M16x1.5 (4 pcs.):
Leadthrough of wiring to sensors, actuators etc., direct attachment

Information

NORD can supply prefabricated M12 connection expansions for manufacturing plug-in connecti ons .

System M12 connection expansion Part . No.

Profibus DP SK TIE4-M12-PBR 275274500
CANopen SK TIE4-M12-CAO 275274501
AS Interface SK TIE4-M12-ASI 275274502
AS Interface with aux. power SK TIE4-M12-ASI-AUX 275274513
Initiators / actuators SK TIE4-M12-INI 275274503
NORD system bus (outgoing) SK TIE4-M12-SYSM 275274505
NORD system bus (incoming) SK TIE4-M12-SYSS 275274506
24 V supply SK TIE4-M12-POW 275274507
Analog initiators / actuators SK TIE4-M12-ANA 275274508
Safe input (incoming) SK TIE4-M12-SH 275274509
HTL transmitter SK TIE4-M12-HTL 275274512

These can be screwed directly into the M16 cable lead-ins. The two existing side cable lead-ins (M20) can be
used if a suitable reducer is used.

M12 connector

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Installation

Installation location To the left or right of the frequency converter connection unit.

Alternatively using the wall mounting kit SK TIE4-WMK-TU (Mat no.: 275 274 002,
TI 275274002) near the converter

Mounting Using screw connection (4 x hexagon socket M4 x 20)

ATTENTION

Ensure that no leaks are present during installation (assembly, cable leadthroughs, cable glands) in order to
avoid penetration by moisture and therefore the risk of corrosion and short circuiting.

2 TI 275280000 - 1613

Sealing