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combination with the operating instructions for the relevant frequency inverter. All
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SK CU4-PNT
Technical Information / Datasheet
Part number: 275 271 015
PROFINET IO® - Internal Bus – Interface
NOTICE
This document is only valid in
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 this document
Scope of delivery
1 x Module SK CU4-PNT
1 x System bus cable set grey / black
1 x 24 VDC cable set brown / blue
2 x Connecting screws M4 x 20, cross-head
Field of use
Internal interface f or the connection of a decentralise d frequency i nverter (SK 180E … SK 2xxE) to a
PROFINET IO field bus . This is connec ted to the inverter v ia the system bus a nd can directly acc ess
up to 4 frequency inverters. 2 digital inputs are available.
Technical data
Module
Temperature range -25°C … xx °C * Vibration resistance 3M7
Temperature class Class 3K3 Firmware version V1.2 R0
Protection class IP20 Hardware version AA
Supply voltage 24 V ± 20 %, ≈ 100 mA
Reverse polarity protected
* The upper temperature limit depends on the frequency inverter and the operating mode à see "Derating"
Digital input - working range Low: 0 V … 5 V, High: 15 V … 30 V
Digital input - specif ic dat a Ri = 10 kΩ, input capacity: 10 nF, response time 3 ms,
inputs as per EN 61131-2 type 1
PROFINET IO Bus module SK CU4-PNT
1.0 Erstausgabe / first issue 4913 Rck TI 275271015 GB
version reason for change(s) issue name document speech
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PROFINET IO Bus module – SK CU4-PNT
Depending on the installation location of the module (SK 180E, SK 190E or SK 2xxE), the operating mode (S1,
motor used (IE1 / IE2 / ...) restrictions to the permissible ambient temperature must be taken into account. If the
S3 ED 50 %, 10min
Motor
40°C
n. s.
S3 ED 60 %, 10min
Motor
n. s.
40°C
S1
Wall (ve ntilated)
47°C
45°C
Bus specification
PROFINET IO Max. 100 MBaud Cable Min. Ethernet CAT-5
Electrical isolation 500 V
Max. cable length 100 m between two
eff
modules
Bus connection Screw terminals Shield Direct to PE
bus termination performed automat ica lly PE connection via PE screw connection
Status display 6 LEDs in the terminal box
Topology Star, tree, ring, linear bus
Performance
Update interval for process data between module and frequency inverter ≈ 5 ms
Parameter read access on the frequency inverter ≈ 25 ms
Parameter write access with storage in EEPROM ≈ 70 ms
Cycle times ≥ 1 ms
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Derating
NOTICE
Derating
S3 ...) and the installation type (wall-mounting, motor -mounting) of the frequency inverter as well as the type of
permissible ambient temperature is exceeded, the module may heat up to an impermissible extent and switch off
with an error message (E104.0).
Maximum ambient temperature *
Operating mode Installation type SK 180E / SK 190E SK 2xxE
S1 Motor 25°C 27°C
S1 Wall (unventilated) 37°C 39°C
* The limits of the frequency inverter must not be exceeded (refer to the frequency inverter manual).
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PROFINET IO Bus module – SK CU4-PNT
Isochronous real time communication of synchronised
Transmission and receiver cables are automatically
diagnosis socket on the device (if available) and possibly
Module features
Communication RT (Real Time)
à Real time communication of process data
IRT (Isochronous Real Time)
à
process data
Addressing Automatic address assignment via IO controller using DCP
(Discovery Configuration Protocol)
Data transfer via Switched Ethernet
Autonegotiation Negotiation of transfer parameters
Autocrossover
crossed in the switch as necessary
Conformity classes CC-B, and CC-C
Access for NORD diagnosis tool via
via frequency inverter and
Ethernet protocols UDP or TCP/IP
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Installation
Installation location Within the connection unit of a frequency inverter (SK 180E, SK 190E, 2xx E)
Mounting with screw fastenings
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PROFINET IO Bus module – SK CU4-PNT
Potential
Contact
Designation
Description
E8
PHY1 RX-
Ethernet connection 1 Receive Data -
E7
PHY1 RX+
Ethernet connection 1 Receive Data +
E6
PHY1 TX-
Ethernet connection 1 Transmission Data -
E4
PHY0 RX-
Ethernet connection 2 Receive Data -
E3
PHY0 RX+
Ethernet connection 2 Receive Data +
E2
PHY0 TX-
Ethernet connection 2 Transmission Data -
E1
PHY0 TX+
Ethernet connection 2 Transmission Data +
78
SYS -
System bus data line -
77
SYS +
System bus data line +
C1
DIN1
Digital input 1
C2
DIN2
Digital input 2
40
GND/0V
Reference potential (0 V / GND)
44
24V
Supply voltage (+24 V)
40
GND/0V
Reference potential (0 V / GND)
44
24V
Supply voltage (+24 V)
VI 24V
GND/0V
SYS +
SYS -
24V
GND/0V
SYS +
SYS -
Connections
Connection is via the terminal bar of the module
1
2
E5 PHY1 TX+ Ethernet connection 1 Transmission Data +
Ethernet
digital inputs
System bus level and
Schematic diagram - electrical connection
(Terminal designation on example of NORD frequency inverter SK 180E … SK 2xxE)
SK CU4-… SK 180E … SK 2xxE
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PROFINET IO Bus module – SK CU4-PNT
DIP switch
Meaning
12
11
10 9 8 7 6 5 4 3 2
1
X X
X
No function
X 0 System bus terminating resistor not set
1 System bus terminating resistor set
Access rights for remote maintenance
0 Only read access to parameters possible.
1 Read and write access to param et ers possible.
0 No control possible.
1 Control is possible.
0 TCP/IP open connection.
1 Secure TCP/IP connection.
and the connected frequency inverter can be
BF
red
Ethernet Error
L1
green
Link 1
A2
yellow
Activity 2
RUN
(Ethernet State)
Meaning BF
(Ethernet Error)
Meaning
Initialisation
Flashing gree n
No connection to PROFINET IO controller
No process data communication
Flashing red
No process data communication
Green ON
Parameter communication active
Red ON
Ethernet error à there is no physical
Double-flashing
1sec pause)
1 … 12
ON
OFF
Configuration
Configuration of the m odule for remote m aintenance or for the s ystem bus is carried out vi a the DIP
switches. The DIP - switch settings are read after a "Power On" of the module.
1. System bus (DIP 1)
The system bus mus t be terminated at both physica l
ends.
2. (DIP 2 - 9)
No function
3. Access rights for remote maintenance (DIP 10 – 12)
Via the Ethernet pr otocols T CP and UDP th e m odule
accessed using remote maintenance. The type of
access is determ ined via the DIP - switch with inputs
10 to 12.
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LED indicators
The operating statuses of the module are visualised using LED indicators.
No. Name Colour Meaning
RUN green Ethernet State
1
2
A1 yellow Activity 1
L2 green Link 2
3
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PROFINET-specific LED
OFF
No operating voltage
OFF
No error
No parameter communication
Process data communication active
TI 275271015 - 4913 5 / 8
red
(2 x 0.25 s,+
à e.g. wrong GSDML file
connection to a further participant
PROFINET or FI timeout,
(see also P151, P513)
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PROFINET IO Bus module – SK CU4-PNT
Link
(Green LED)
Activity
(Yellow LED)
Meaning
ON
OFF
• No bus activity
ON
Flashing
• Bus connection (cable connection) to another Ethernet device exists
Meaning
OFF
OFF
Module not ready, no control voltage.
ON
OFF
Module ready, no error, at least one frequency inverter is communicating via the system bus
• One or more of the connected frequency inverters has fault status
Long flashing
OFF
Module ready and at least one other participant is connected to the system bus, but
• Software incompatible (module software and FI software do not match - update required)
Long flashing
Short flashing
System bus is in status "Bus Warning"
• Frequency inverter has no supply voltage
Long flashing
Short flashing
System bus is in status "Bus Off"
Long flashing
Short flashing
4
Module error
OFF OFF
(Blinking)
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NORD-specific LEDs
DS
(Device status)
ON Short flashing
Long flashing Short flashing
DE
(Device error)
Flash interval
1 x - 1s pause
Flash interval
2 x - 1s pause
• Module not ready, no control voltage.
• No bus connection (check cable connection)
• Bus connection (cable connection) to another Ethernet device exists
• Bus activity present
Long flash = 0.5 s on / 1 s off
Short flash = 0.25 s on / 1 s off
Module ready, but
• no frequency inverter connected to system bus (connection may be interrupted)
•
one or more system bus clients has address error
• Communication on system bus disrupted
•
No other clients available on system bus
•
Module not inserted correctly or no connection to the system bus
System bus is in status "Bus Off"
•
the system bus 24V power supply was interrupted during operation
Flash interval
3 x - 1s pause
Flash interval
x - 1s pause
OFF Short flashing
Flash interval
1…7 - 1s pause
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• No system bus 24V power supply
• see parameter P170
System error, internal program sequence interrupted
EMC interference (observe wiring guidelines!)
•
• Module defective
6 / 8 TI 275271015 - 4913
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PROFINET IO Bus module – SK CU4-PNT
Error
Meaning
Remarks
100.0
EEPROM error
EMC fault, module defective
102.0
Timeout
via P151/P513 monitoring
103.0
System bus BUS OFF
No 24V supply to the bus, connections not correct
104.0
Module temperature too high
only SK CU4-…, permissible internal temperature of the bus
module exceeded for approx. 60 sec
560.0 …
Internal error
Module not r eady
561.0
General network error
561.1
Ethernet Watchdog timeout
561.2
Bus cable fault
Bus cable connection interrupted
561.3
IP address error
IP address of the module has been doubly assigned
563.0
Firmware version incompatible
The firmware version cannot be used for the device
564.0
MAC address error
Error
(E010)
Meaning
Remarks
10.0
Connection error
Contact to SK xU4 lost
10.1
ASIC errors
Communication to Ethernet - ASIC lost
• Reduce the temperature of the module (only SK CU4-…)
10.3
Timeout by P151/P513
Telegram transfer error
• Check the Watchdog time
10.4
IP address error
IP address of the module has been doubly assigned
10.5
Internal error
Module not ready for operation, c onfiguration error
10.6
Bus cable fault
Bus cable connection interrupted
and the module had a timeout
10.9
Module missing (P120)
Only SK xU4 module
Parameter [-Array]
Meaning
Remarks
P120 [-01]
Option monitoring
"Auto“ (default setting)
Only SK xU4
P509
Control word source
SK TU3-… on SK 5xxE: "Ethernet TU”
"System bus"
"Auto“
and P543 … P545
P546 [-01 …-03 (-05)]
and P546 … P548
Bus target values (1 …3 (… 5))
Possible settings according to (P400)
P700 [-01] / P701
Current / last failures
Information parameters
P740 / P741
Process data bus In / Out
Information parameters
P745
Module version
Information parameters
Only SK TU3
P745
Module status
Information parameters
Only SK TU3
P748
CANopen / System bus status
Information parameters
Error messages
Error messages fr om the m odule - present error s or archived m ess ages relating t o the last error - can
be read out via the module par ameter (P170). The error messages are lost if the m odule is switched
off.
560.9
Errors which occur in relation to the module are depicted as follows in the error memory of the
frequency inverter (P700 / P701).
• Switch-off of the supply voltage
10.2 Ethernet Watchdog timeout Telegram transfer error
10.8 The connection between the inverter
• Check the connections and links, program sequence and
Bus Master
• Check the connections and links
Only SK TU3 module
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Parameters
Frequency inverter: The following frequency inverter parameters must be adapted for setting up
communication between the frequency inverter and the bus module (for details see frequency
converter manual).
SK xU4-… on SK 180/SK 2xxE:
P510 [-01 … -02] Setpoint source
P513 Time-out Monitoring of the SK TU3 bus module Only SK 5xxE
P543 [-01 …-03 (-05)]
Bus actual values (1 …3 (… 5)) Possible settings according to (P418)
(default setting)
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PROFINET IO Bus module – SK CU4-PNT
Parameter [-Array]
Meaning
Remarks
-TU3-
-TU4-
-CU4-
P150
Set relays
Set DOUT directly or control via BUS
X
P151
External bus time-out
Monitoring of the SK xU4 bus module
X X
P152
Factory setting
Reset module parameters
X X X
P153 [-01 …-02]
Minimum system bus
cycle
Reduction of the bus load on the system bus
caused by the module
X X
P154 [-01 …-02]
Access to option card I/O
Administration of r ead and write rights to the IO of
X X
P160 [-01 … 04]
IP address
X X X P161 [-01 …-04]
IP subnet mask
X X
X
save by entering "0" as the final character
P163 [-01 …-07]
Alarm test
Sets a diagnostic alarm
X X X
P170 [-01 … -02]
Present errors
Displaying module errors
X X X
P171 [-01 … -03]
Software version
Firmware version / Revision
X X X
P173
Module status
Status of system bus or the connected FI
X X X
P174
Status of digital inputs
Image of the switching status of DIN
X X
P175
Digital output state
Image of the switching status of DOUT
X
P176 [-01 … ]
Process data bus In
Information parameter
X X X
P177 [-01 … ]
Process data bus Out
Information parameter
X X X
P178
Internal temperature
Information parameter
X
P180 [-01 … -07]
PPO-Type
Information parameter
X X X
P181 [-01 … -06]
MAC address
Information parameter
X X X
P185 [-01 …-04]
Present IP address
Information parameter
X X X
P186 [-01 …-04]
Current IP subnet mask
Information parameter
X X X
Access via RJ12-SK 5xxE
Access via RJ12-Bus diagnosis
connection unit
Access via RJ12-Frequency
verter diagnosis socket , if
Software
Name
Software
Meaning
GSDML file
Device characteristics and parameters
NORD CON
Parameterisation and diagnostic software
Document
Name
Document
Meaning
BU 0000
Description of NORD CON software
BU 0200
SK 2xxE frequency inverter manual
BU 0040
ParameterBox manual
BU 0290
Description of PROFINET IO bus communication
BU 0180
Frequency inverter manual SK 180E, SK 190E
BUS module: The module provides a selection of appropriate parameters for setting or displaying
special operating values. Parameters can be adapted using the NORDCON software or an
SK PAR-3H / -3E param eter box. Via PROFINET IO, all parameters c an still be read and written via
the bus master.
the module
P162 Device name Up to 240 character s (ASCII – Code 45 … 1 22),
P172 Configuration Module type X X X
X X X
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Parameter access and diagnosis
The NORD CON software and optional control units s uch as the SK PAR-3H par ameter box provide
convenient access to the parameters of the module and allow status information to be read out.
SK TU3- SK TU4- SK CU4- / SK TU4-
diagnosis socket
socket SK TI4-TU-BUS(-C)
in
connected to module via system
bus.
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Further Documentation and Software (www.nord.com)
=== Ende der Liste für Textmar ke Inhalt ===
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