NORD TI 275900140 User Manual
This document is only valid in combination with the operating instructions for the relevant frequency inverter.
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SK TU3-POL
Technical Information / Datasheet
Part number: 275 900 140
POWERLINK - External bus interface
ATTENTION
All of the information that is relevant for a safe start-up of this module and the frequency inverter is only available
under these conditions.
Validity of the documents
Scope of delivery
1 x Module SK TU3-POL
Field of use
Technology box for connecting a frequency inverter (SK 5xxE) to a POWERLINK field bus. The
module must be attached directly to the technology slot of the frequency inverter.
Technical data
Module
Temperature range 0 °C … 40 °C Vibration resistance 2M1
Temperature class Class 3k3 Firmware version V1.2 R0
Protection class IP20 Hardware version AA
Supply voltage 24 V ± 20 %, ≈ 100 mA
Dimensions [mm] H x W x D: 27 x 73 x 101
Reverse polarity protected
POWERLINK Bus module SK TU3-POL
1.1 LED - displays, Error 10.9 4913 Rck TI 2752900140 GB
version reason for change(s) issue name document speech
POWERLINK Bus module – SK TU3-POL
Diagnostic socket on the device (if available) or possibly
Bus specification
POWERLINK Max. 100 MBaud Cable Min. Ethernet CAT-5
Electrical isolation 500 V
Max. cable length 100 m between two
eff
modules
Bus connection 2 x RJ45 Shield via RJ sockets highbus termination Takes place automatically Ohmic & capacitive to PE
Status display 6 LEDs PE connection via PE post-type connector
Topology* Star, tree, linear bus (rating less than 24 V)
Performance
Update interval for process data between module and frequency inverter ≈ 1.5 ms
Parameter read access on the frequency inverter ≈ 25 ms
Parameter write access with storage in EEPROM ≈ 70 ms
Cycle times 400 µs … 60 ms
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Module features
Hot Plugging (CN connection during operation) Yes
Isochronous (PDO) Yes, Statistical Mapping
Number of process data 12 Byte (SK TU3-…),
50 Byte (SK xU4-…)
Asynchronous Data (SDO over ASND or UDP/IP) Yes
Cross Traffic No, no direct communication between CN
Addressing via DIP switch, module parameters possible
Access for NORD diagnosis tool via
via frequency inverter and UDP Ethernet protocol
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2 TI 2752900140 - 4913
voltage, observe the
Push the control terminals cover down
with an upward turning movement. If
RJ45 Pin
Signal
Description
1
TX+
Transmission Data +
2
TX-
Transmission Data -
3
RX+
Receive Data +
6
RX-
Receive Data -
Terminal
Name
Description
45
+ 24 V
24 V supply
46
GND
Earth
Installing
POWERLINK Bus module – SK TU3-POL
Note
Installing the technology unit
Modules should not be inserted or removed unless the device is free of voltage. The slots may only be used for
the intended modules.
Installation of a technology unit separate from the frequency inverter is not possible. It must be connected directly
to the frequency inverter.
The technology units must be installed as follows:
1. Switch off the mains
waiting period.
2.
slightly or remove.
3. Remove the blank cover, by loosening the
release on the lower edge and pulling off
necessary, the attachm ent screw next to the
release must be removed.
4. Hook the technology unit onto the upper edge slots and press in lightly until it engages.
Ensure full contact with t he connector strip and fasten with the screws if necessary (separat e
packet).
5. Close the control terminal cover again.
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Connections
The two Ethernet l ines are connected ex clusiv ely via t he two RJ4 5 sock ets on th e front. If the m odule
is the final subscriber on the line, one RJ45 socket can remain unoccupied.
( 1 ) RJ45 socket detail ( 2 ) Power supply detail
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TI 2752900140 - 4913 3
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