NORD TI 275281118 User Manual
This document is only valid in combination with the operating instructions for the relevant frequency inverter.
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SK TU4-POL
Technical Information / Datasheet
Part number: 275 281 118
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 TU4-POL
4 x Hexagon socket M4 x 40 mm
Accessories required:
1 x Bus connection unit SK TI4-TU-BUS
TI 275280000 Part No. 275 280 000)
Field of use
External technolog y unit for connecting a dece ntralised fr equency inverter (SK 180E … SK 2xxE) to a
POWERLINK 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 3k3 Firmware version V1.2 R0
Protection class IP55 Hardware version AA
Supply voltage 24 V ± 20 %, ≈ 100 mA
Reverse polarity protected
* module fitted to BUS-connection unit
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, in puts
Digital output - 24 VDC power supply ≤ 400 mA (input)
Digital output - working area Low = 0 V, High = 24 V; max. 200 mA
Dimensions [mm]* H x W x D: 95 x 136 x 99
Depth: 108mm with covers on M12
according to EN 61131-2 type 1
-connection
POWERLINK Bus module SK TU4-POL
1.1 LED - displays, technical datas, Error 10.9 4913 Rck TI 275281118 GB
version reason for change(s) issue name document speech
POWERLINK Bus module – SK TU4-POL
Diagnostic socket on the device (if available) or possibly
PIN
Signal
Description
1
TX+
Transmission Data +
2
RX+
Receive Data +
4
RX-
Receive Data -
Bus specification
POWERLINK Max. 100 MBaud Cable Min. Ethernet CAT-5
Electrical isolation 500 V
Max. cable length 100 m between two modules
eff
Bus connection 2 x M12 Shield via M12 direct to PE
Bus termination Takes place automatically PE connection via PE screw connection
Status display 6 LEDs in the terminal box
Topology* Star, tree, linear bus
Performance
Update interval for process data between module and frequency inverter ≈ 2.5 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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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 hex agon socket collar s crews. Installation det ails can be found in the data
sheet for the relevant connection units.
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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.
3 TX- Transmission Data -
PIN assignment
M12-4 socket
("D“- coded):
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2 TI 275281118 - 4913
POWERLINK Bus module – SK TU4-POL
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)
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 -
17
0V
Reference potential (0 V / GND)
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)
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 potential (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 - 4
RS232_TxD
Data cable RS232
RJ12 - 5
RS232_RxD
Data cable RS232
RJ12 - 6
24 V
Supply voltage (+24 V)
VI 24V
GND/0V
SYS +
SYS -
24V
GND/0V
SYS +
SYS -
The connection to other signal and control lines takes place via the BUS - connection units.
1
Digital inputs
8 0V Reference pot en t ial (0 V / GND)
2
System bus level and digital inputs
28 0V Refere nc e pot en ti al (0 V / GND)
3
Digital outputs
4
RJ12 - 3 GND Reference potential (GND)
Diagnosis
Schematic diagram - electrical connection
(Terminal designation on example of NORD frequency inverter SK 180E … SK 2xxE)
SK TI4-TU4 BUS SK 180E … SK 2xxE
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TI 275281118 - 4913 3
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