NORD TI 275281167 User Manual

This document is only valid in combination with the operating instructions for the relevant frequency inverter. All

Technical Information / Datasheet

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SK TU4-ECT-C

Part number: 275 281 167

EtherCAT® - External bus interface

NOTICE

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 supply

1 x Module SK TU4-ECT-C
4 x Hexagon socket M4 x 40 mm

Accessories required:

1 x Bus connection unit SK TI4-TU-BUS-C
TI 275280500 Part No. 275 280 500)

Field of use

External technolog y unit for connectin g a decentralised frequency inverter (SK 180E … SK 2xxE) to
an EtherCAT field bus. The module can be fitted to or in the immediate vicinity of the frequency
inverter. It is connect ed to the inv erter via the s ystem bus, an d can comm unicate directl y with up to 4
frequency inverters. 8 digital inputs and 2 digital outputs are available.

Technical Data

Module

Temperature range -25 °C … 50 °C Vibration resistance 3M7
Temperature class Class 3k4 Firmware version V1.6 R1
Protection class IP66 Hardware version BB
Supply voltage 24 V ± 20 %, ≈ 100 mA

Reverse polarity protected

Dimensions [mm]* H x W x D: 95 x 136 x 99

* module fitted to BUS-connection unit
Depth: 108mm with covers on M12-connection

EtherCAT Bus module SK TU4-ECT-C

1.1 LED - displays, technical datas, Error 10.9 4913 Rck TI 275281167 GB

version reason for change(s) issue name document speech

EtherCAT Bus module – SK TU4-ECT-C

diagnosis socket on the device (if available) or via the

Digital input - working area Low: 0 V … 5 V, High: 15 V … 30 V
Digital input - specif ic dat a Ri = 8 kΩ, input capacity: 10nF, reaction time 1 ms, inputs

according to EN 61131-2 type 1
Digital output - 24 VDC power supply ≤ 400 mA (input)
Digital output - working range Low = 0 V, High = 24 V; max. 200 mA

Bus specification

EtherCAT 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 M12 sockets Shield via M12 direct to PE
Bus termination performed automatically PE connection via PE screw connection
Status display 6 LEDs in the terminal box
Topology Linear bus
Process data 8 Byte per FI + 2 Byte for

IOs.
Total length 2 … 34 Byte

Performance

Update interval of process data for 1000 devices ≈ 1 ms
Update interval for process data betw een module and frequency inverter ≈ 1.5 ms
Parameter read access on the frequency inverter ≈ 15 ms
Parameter write access with storage in EEPROM ≈ 25 ms

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Module features

Parameterisation Via CoE (CANopen over EtherCat)
Error messages (Emergency Messages) According to CANopen DS301
EtherCAT addressing (Second Address) DIP switch or module parameter
Distributed Clocks Not supported
Access for NORD diagnosis tool via

frequency inverter

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Installation

The module must be attac h ed to t he s u ita ble c o nn ec tio n un it (S K TI4-TU- …) and connected using th e
four M4 x 40 mm provided hexagon s ocket collar sc rews. Installation det ails can be found in the data
sheet for the relevant connection units.

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2 TI 275281167 - 4913

PIN

Signal

Description

1

TX+

Transmission Data +

2

RX+

Receive Data +

3

TX-

Transmission Data -

4

RX-

Receive Data -

Potential

Contact

Designation

Description

1

24V

Supply potential (+24 V, ≤ 200 mA)

2

24V

Supply potential (+24 V, ≤ 200 mA)

3

DIN5

Digital input 5

4

DIN7

Digital input 7

5

DIN6

Digital input 6

6

DIN8

Digital input 8

7

0V

Reference potential (0 V / GND)

8

0V

Reference potential (0 V / GND)

9

24V

Supply potential (+24 V, ≤ 200 mA)

10

24V

Supply potential (+24 V, ≤ 200 mA)

11

24V

Supply voltage (+24 V)

12

24V

Supply voltage (+24 V)

13

24V

Supply voltage (+24 V)

14

SYS +

System bus data line +

15

0V

Reference potential (0 V / GND)

16

SYS -

System bus data line -

18

0V

Reference potential (0 V / GND)

19

DIN1

Digital input 1

20

DIN3

Digital input 3

21

0V

Reference potential (0 V / GND)

22

0V

Reference potential (0 V / GND)

23

24V

Supply voltage (+24 V)

24

24V

Supply voltage (+24 V)

25

DIN2

Digital input 2

26

DIN4

Digital input 4

27

0V

Reference potential (0 V / GND)

28

0V

Reference potential (0 V / GND)

29

24V

Supply voltage (+24 V)

30

24V

Supply voltage (+24 V)

31

VI 24V2

Supply potential (+24 V - in) of the digital outputs

32

0V2

Reference potential (0 V / GND) of the digital outputs

33

DOUT1

Digital output 1 (+24 V, ≤ 200 mA)

34

DOUT2

Digital output 2 (+24 V, ≤ 200 mA)

35

0V2

Reference potent ial (0 V / GND) of the digital outputs

36

0V2

Reference potential (0 V / GND) of the digital outputs

RJ12 - 1

RS485_A

Data cable RS485

RJ12 - 2

RS485_B

Data cable RS485

RJ12 - 3

GND

Reference potential (G ND )

RJ12 - 4

RS232_TxD

Data cable RS232

RJ12 - 5

RS232_RxD

Data cable RS232

RJ12 - 6

24 V

Supply voltage (+24 V)

Connections

The two Ethernet lines are connected exclusively via the two M12 sockets on the front. If the module is
the final subscriber on the line, one M12 socket can remain unoccupied. The use of EMC screw
connections is recommended.

EtherCAT Bus module – SK TU4-ECT-C

PIN assignment
M12-4 socket
("D“- coded):

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The connection to other signal and control lines takes place via the BUS - connection units.

1

Digital inputs

17 0V Refere nc e pot en ti al (0 V / GND)

2

System bus level and digital inputs

3

Digital outputs

4

Diagnosis

TI 275281167 - 4913 3