EtherCAT Bus module, SK CU4-ECT

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SK CU4-ECT
Part number: 275 271 017
EtherCAT® - Internal bus interface
NOTICE
Validity of the documents
This document is only valid in combination with the operating instructions for the relevant frequency inverter. 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.
Scope of supply
1x
Module
SK CU4-ECT
1x
System bus cable set
grey / black
1x
24 VDC cable set
brown / blue
2x
Connecting screws
M4 x 20, cross-head
Field of use
Internal interface for connecting a decentralised frequency inverter (SK 180E … SK 2xxE) to an
EtherCAT field bus. It is connected via the system bus with the inverter and can communicate directly
with 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
V1.6 R1
Protection class
IP20
Supply voltage
24 V ± 20 %, ≈ 100 mA
Reverse polarity protected
* The upper temperature limit depends on the frequency inverter and the operating mode  see "Derating"
Digital input - working range
Low: 0 V … 5 V, High: 15 V … 30 V
Digital input - specific data
Ri = 10 kΩ, input capacity: 10nF, reaction time 1 ms, inputs
according to EN 61131-2 type 1
Technical Information / Datasheet
EtherCAT Bus module
SK CU4-ECT
TI 275271017
V1.2
3314
EN
EtherCAT Bus module – SK CU4-ECT
Bus specifics
EtherCAT
Max. 100 MBaud
Cable
Min. Ethernet CAT-5
Electrical isolation 500 Veff
Max. cable length
100 m between two
modules
Bus connection
Screw terminals
Shield
Direct to PE
bus termination
performed automatically
PE connection
via PE screw connection
Status display
6 LEDs
Topology
Linear bus
Process data
8 Byte per FI + 2 Byte for
IOs.
Total length 2 … 34 Byte
in the terminal box
Performance
Update interval of process data for 1000 devices
≈ 1 ms
Update interval for process data between module and frequency inverter
≈ 5 ms
Parameter read access on the frequency inverter
≈ 12 ms
Parameter write access with storage in EEPROM
≈ 25 ms
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Derating
NOTICE
Derating
Depending on the installation location of the module (SK 180E, SK 190E or SK 2xxE), the operating mode (S1,
S3 ...) and the installation type (wall-mounting, motor -mounting) of the frequency inverter as well as the type of
motor used (IE1 / IE2 / ...) restrictions to the permissible ambient temperature must be taken into account. If the
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
30°C
S3 ED 50 %, 10min
Motor
40°C
n. s.
S3 ED 70 %, 10min
Motor
n. s.
40°C
S1
Wall (unventilated)
37°C
42°C
S1
Wall (ventilated)
47°C
48°C
* The limits of the frequency inverter must not be exceeded (refer to the frequency inverter manual).
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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
diagnosis socket on the device (if available) or via the
frequency inverter
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EtherCAT Bus module – SK CU4-ECT
Installation
Installation location
Within the connection unit of a frequency inverter (SK 180E, SK 190E, 2xxE)
Mounting
with screw fastenings
Installation steps
SK 1xxE
SK 2xxE
1.
2.
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Connections
Connection is via the terminal bar of the module
Ethernet
System bus level and
digital inputs
2
1
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 -
E5
PHY1 TX+
Ethernet connection 1 Transmission Data +
E4
E3
PHY0 RXPHY0 RX+
Ethernet connection 2 Receive Data 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)
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EtherCAT Bus module – SK CU4-ECT
Schematic diagram - electrical connection
(Terminal designation on example of NORD frequency inverter SK 180E … SK 2xxE)
SK CU4-…
SK 180E … SK 2xxE
VI 24V
GND/0V
24V
GND/0V
SYS +
SYS -
SYS +
SYS -
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Configuration
In general, no settings need to be made on the device. However, via the "Hot Connection Group"
functionality, the module can be configured with a fixed address, the so-called "Second Address". This
is carried out via the DIP switches of the module. The DIP switch settings are read after a "Power On"
of the module.
8
7
6
5
4
3
2
1
Address
0
0
0
0
0
0
0
0
0
0
0
X
0
0
0
0
0
0
0
0
0
0
0
1
X
1
0
0
0
0
0
0
0
0
0
1
0
X
2
-
-
-
-
-
-
-
-
-
-
-
X
-
1
1
1
1
1
1
1
1
1
1
1
X
2047
0
System
bus
terminating resistor
not set
1
System
bus
terminating resistor
set
…
9
1
10
12
Meaning
11
ON
OFF
DIP switch
12
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LED displays
The operating statuses of the module are visualised using LED indicators.
No.
1
2
3
Name
Colour
Meaning
RUN
green
Ethernet State
ERR
red
Ethernet Error
DS
green
Device status
DE
red
Device error
L/A IN
green
Link/Activity In
L/A OUT
green
Link/Activity OUT
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EtherCAT Bus module – SK CU4-ECT
EtherCAT-specific LEDs
RUN
State
Meaning
OFF
Init
•
No communication of process data and parameters
Flashing
Pre-Operational
Single Flash
Save
Operational
•
•
•
•
•
•
Parameter communication active
No process data communication
Parameter communication active
Limited process data communication
No restriction of actual values
Setpoints not evaluated
ON
Operational
•
•
Parameter communication active
Unrestricted process data communication
ERR
State
Meaning
OFF
No Error
•
EtherCAT functioning normally on the Bus Module
Flashing
Invalid
Configuration
•
Single Flash
Unsolicited
State Change
Application
Watchdog
Timeout
•
General EtherCAT configuration error
This can be generated by an incorrect XML file.
The module has changed the EtherCAT state without authorisation
•
EtherCAT or FI timeout (P513 in FI)
State
Meaning
No Connection
Module not ready, no control voltage.
No bus connection (check cable connection)
Technology box connected and active
Technology box ready for operation, but no bus activity available
Double Flash
L/A
(Green LED)
OFF
Flashing
Active
•
•
•
ON
Inactive
•
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NORD-specific LEDs
Meaning
Long flash
Short flash
DS
(Device status)
DE
(Device error)
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
ON
Short flashing
Long flashing
OFF
Long flashing
Short flashing
Flash interval
1 x - 1s pause
Long flashing
Short flashing
Flash interval
2 x - 1s pause
Long flashing
Short flashing
Flash interval
3 x - 1s pause
System bus is in status "Bus Off"
•
No system bus 24V power supply
Long flashing
Short flashing
Flash interval
4 x - 1s pause
Module error
•
see parameter P170
OFF
Short flashing
Flash interval
1…7 - 1s pause
System error, internal program sequence interrupted
•
EMC interference (observe wiring guidelines!)
•
Module defective
= 0.5 s on / 1 s off
= 0.25 s on / 1 s off
Module ready, but
•
One or more of the connected frequency inverters has fault status
Module ready and at least one other participant is connected to the system bus, but
•
no frequency inverter connected to system bus (connection may be interrupted)
•
one or more system bus clients has address error
•
Software incompatible (module software and FI software do not match - update required)
System bus is in status "Bus Warning"
•
Communication on system bus disrupted
•
No other clients available on system bus
•
Module not inserted correctly or no connection to the system bus
•
Frequency inverter has no supply voltage
System bus is in status "Bus Off"
•
the system bus 24V power supply was interrupted during operation
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EtherCAT Bus module – SK CU4-ECT
Error messages
Error messages from the module - present errors or archived messages relating to the last error - can
be read out via the module parameter (P170). The error messages are lost if the module is switched
off.
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 > 91°C
SK CU4-… only, permissible internal temperature exceeded for
approx. 60sec
550.1
560.0 …
560.9
DIP switch error
Internal error
The DIP switches (IP address) could not be read correctly
Module not ready
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
Errors which occur in relation to the module are depicted as follows in the error memory of the
frequency inverter (P700 / P701).
Error
(E010)
Meaning
Remarks
10.0
Connection error
Contact to SK xU4 lost
10.1
ASIC errors
Communication to Ethernet - ASIC lost
•
Switch-off of the supply voltage
•
Reduce the temperature of the module to below 91°C
(only SK CU4-…)
10.2
Ethernet Watchdog timeout
Telegram transfer error
•
10.3
Timeout by P151/P513
Check the connections and links,
program sequence and Bus Master
Telegram transfer error
•
•
Check the connections and links
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, configuration error
10.6
Bus cable fault
Bus cable connection interrupted
10.8
The connection between the inverter
and the module had a timeout
Only SK TU3 module
10.9
Module missing (P120)
Only SK xU4 module
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EtherCAT Bus module – SK CU4-ECT
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).
Parameter [-Array]
Meaning
Remarks
P120 [-01]
Option monitoring
"Auto“ (default setting)
P509
Control word source
SK TU3-… on SK 5xxE: "Ethernet TU”
SK xU4-… on SK 180/SK 2xxE: "System bus"
P510 [-01 … -02]
Setpoint source
"Auto“ (default setting)
P513
Time-out
Monitoring of the SK TU3 bus module
P543 [-01 …-03 (-05)]
and P543 … P545
Bus actual values (1 …3 (… 5))
Possible settings according to (P418)
P546 [-01 …-03 (-05)]
and P546 … P548
P700 [-01] / P701
Bus target values (1 …3 (… 5))
Possible settings according to (P400)
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
Only SK xU4
Only SK 5xxE
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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 parameter box. All parameters can still be read and written by the bus master via
EtherCAT.
Parameter [-Array]
Meaning
Remarks
P150
P151
Set relays
External bus time-out
Set DOUT directly or control via BUS
Monitoring of SK xU4 bus module
P152
Factory setting
Reset module parameters
P153 [-01 …-02]
P170 [-01 … -02]
Minimum system bus
cycle
Access to option card
I/O
Present errors
Reduction of bus load on the system bus caused by
the module (SK xU4 only)
Administration of read and write rights to the IO of
the module
Displaying module errors
P171 [-01 … -03]
Software version
Firmware version / Revision
P172
Configuration
P173
-TU3-
-CU4-
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Module type
X
X
X
Module status
Status of system bus or connected FC
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
P180
Internal temperature
NMT State
Information parameter
Information parameter
X
X
X
X
P181
Second Address
Information parameter
X
X
X
P182
EtherCAT Watchdog
Watchdog monitoring time
X
X
X
P183 [-01 …-04]
EtherCAT transfer error
Transfer error at EtherCAT level
X
X
X
P184
SPI error counter
Information parameter
X
X
X
P154 [-01 …-02]
X
-TU4-
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EtherCAT Bus module – SK CU4-ECT
Parameter access and diagnosis
The NORD CON software and optional control units such as the SK PAR-3H parameter box provide
convenient access to the parameters of the module and allow status information to be read out.
SK TU3Access
via
diagnosis socket
RJ12-SK 5xxE
SK TU4-
SK CU4- / SK TU4-
Access via RJ12-Bus diagnosis
socket
connection
unit
SK TI4-TU-BUS(-C)
Access
via
RJ12-Frequency
inverter diagnosis socket , if
connected to module via system
bus.
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Additional documentation and software (www.nord.com)
Software
Name
Software
Meaning
XML file
Device characteristics and parameters
NORD CON
Parameterisation and diagnostic software
Document
Name
Document
Meaning
BU 0000
BU 0040
Description of NORD CON software
ParameterBox manual
BU 0200
BU 0270
SK 2xxE frequency inverter manual
Description of EtherCAT bus communication
BU 0180
Frequency inverter manual SK 180E, SK 190E
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