This documentation only contains descriptions for the E94AYCET communication module
(EtherCAT®).
Note!
This documentation supplements the Mounting Instructions supplied with the
communication module and the Servo Drives 9400 hardware manual.
The Mounting Instructions contain safety instructions which must be observed!
The features and functions of the communication module are described in detail.
Examples illustrate typical applications.
The theoretical concepts are only explained to the level of detail required to understand the
function of the communication module.
This documentation does not describe any software provided by other manufacturers. No warranty
can be given for corresponding data provided in this documentation. For information on how to use
the software, please refer to the control system documents (controller, EtherCAT master).
All product names mentioned in this documentation are trademarks of their corresponding owners.
Tip!
Detailed information about EtherCAT can be found on the website of the EtherCAT
Technology Group:
www.ethercat.org
4Lenze · E94AYCET communication module (EtherCAT®) · Communication Manual · DMS 9.0 EN · 02/2014 · TD17
This documentation is intended for all persons who plan, install, commission and maintain the
networking and remote servicing of a machine.
Tip!
Current documentation and software updates with regard to Lenze products can be found
in the download area at:
www.lenze.com
Validity information
The information in this documentation applies to the following devices:
Extension moduleType designationFrom hardware
version
EtherCAT communication moduleE94AYCETVE03.00
Screenshots/application examples
All screenshots in this documentation are application examples. Depending on the firmware
version of the communication module and the software version of the engineering tools installed
(e.g. »Engineer«, »TwinCAT«), the screenshots in this documentation may differ from the actual
screen representation.
From software
version
Lenze · E94AYCET communication module (EtherCAT®) · Communication Manual · DMS 9.0 EN · 02/2014 · TD175
This documentation uses the following conventions to distinguish different types of information:
Type of informationIdentificationExamples/notes
Numbers
DecimalStandard notationExample: 1234
Decimal separatorPointIn general, the decimal point is used.
Example: 1234.56
Hexadecimal0x[0 ... 9, A ... F]Example: 0x60F4
Binary
• Nibble
Text
Version informationText colour blueAll pieces of information that only apply to or from a specific
Program name» «The Lenze PC software »Engineer«...
Control elementBoldThe OK button... / The Copy command... / The Properties
Sequence of menu
commands
HyperlinkUnderlined
Icons
Page reference ( 9)Optically highlighted reference to another page. Can be
Step-by-step instructions
In inverted commas
Point
Example: ’100’
Example: ’0110.0100’
software version of the device are highlighted accordingly in
this documentation.
Example: This function extension is available from software
version V3.0!
tab... / The Name input field...
If several successive commands are required for executing a
function, the individual commands are separated from each
other by an arrow: Select the command File
Optically highlighted reference to another topic. Can be
activated with a mouse-click in this online documentation.
activated with a mouse-click in this online documentation.
Step-by-step instructions are marked by a pictograph.
Open to...
Lenze · E94AYCET communication module (EtherCAT®) · Communication Manual · DMS 9.0 EN · 02/2014 · TD177
DriveLenze inverter of the "Servo Drives 9400" product range
Standard device
CodeParameter which serves to parameterise and monitor the drive. In normal usage,
SubcodeIf a code contains several parameters, they are stored in so-called "subcodes".
CoECANopen over EtherCAT
ControllerEtherCAT master
Control system
DC"Distributed clocks" for EtherCAT synchronisation
»Engineer«PC software from Lenze which supports you during engineering
»PLC Designer«
ESI"EtherCAT slave information"
"Hot connect"This feature makes it possible to remove and connect slave field devices during
HWHardware
I-1600.8CoE index (hexadecimal representation)
Lenze settingSettings with which the device is preconfigured ex works.
Standard setting
PDOProcess data object
SDOService data object
SWSoftware
»TwinCAT«Beckhoff PC software for EtherCAT configuration
the term is usually referred to as "Index".
This manual uses a slash "/" as a separator between code and subcode
(e.g. "C00118/3").
In normal usage, the term is also referred to as "Subindex".
(parameterisation, diagnostics, and configuration) throughout the entire life
cycle, i.e. from planning to maintenance of the commissioned machine.
(device description file in XML format)
EtherCAT® (Ethernet for Controller and Automation Technology) is an Ethernetbased fieldbus system which meets the application profile for industrial realtime systems.
EtherCAT® is a registered trademark and patented technology, licenced by
Beckhoff Automation GmbH, Germany.
operation.
In the example: index 0x1600, subindex 8
8
Lenze · E94AYCET communication module (EtherCAT®) · Communication Manual · DMS 9.0 EN · 02/2014 · TD17
Always observe the specified safety measures to avoid severe injury to persons and
damage to property!
Always keep this documentation to hand in the vicinity of the product during operation.
2.1General safety and application notes
Danger!
If you ignore the following basic safety measures, severe injury to persons and damage
to material assets may result.
Lenze drive and automation components ...
• must only be used as directed.
Application as directed
• must never be commissioned if they display any signs of damage.
• must never be technically modified.
• must never be commissioned if they are not fully mounted.
• must never be operated without the covers required.
• during and after operation can have live, moving and rotating parts, depending on their degree
of protection. Surfaces can be hot.
For Lenze drive components ...
• only use the accessories approved.
• only use genuine spare parts supplied by the manufacturer of the product.
Observe all specifications contained in the enclosed documentation and related documentation.
• This is the precondition for safe and trouble-free operation and for obtaining the product
features specified.
Product features
• The specifications, processes, and circuitry described in this document are for guidance only and
must be adapted to your own specific application. Lenze does not take responsibility for the
suitability of the process and circuit proposals.
( 12)
( 13)
10
Only qualified personnel may work with and on Lenze drive and automation components.
According to IEC 60364 and CENELEC HD 384, these are persons ...
• who are familiar with the installation, assembly, commissioning and operation of the product.
• who have the corresponding qualifications for their work.
• who know all regulations for the prevention of accidents, directives and laws applicable on site
and are able to apply them.
Lenze · E94AYCET communication module (EtherCAT®) · Communication Manual · DMS 9.0 EN · 02/2014 · TD17
2Safety instructions
2.2Device- and application-specific safety instructions
2.2Device- and application-specific safety instructions
• During operation, the communication module must be firmly connected to the standard device.
• With external voltage supply, always use a separate power supply unit, safely separated to
EN 61800-5-1 in every control cabinet (SELV/PELV).
External voltage supply
• Only use cables that correspond to the given specifications.
Specification of the Ethernet cable
( 29)
( 27)
Documentation for the standard device, control system, plant/machine
All the other measures prescribed in this documentation must also be implemented.
Observe the safety instructions and application notes stated in this manual.
2.3Residual hazards
Protection of persons
If Servo Drives 9400 are used on a phase earthed mains with a rated mains voltage of 400V,
protection against accidental contact is not ensured without external measures.
Protective insulation
Device protection
The communication module contains electronic components that can be damaged or destroyed by
electrostatic discharge.
Installation
( 22)
( 16)
Lenze · E94AYCET communication module (EtherCAT®) · Communication Manual · DMS 9.0 EN · 02/2014 · TD1711
If the Servo Drives 9400 are operated on a phase earthed mains with a rated mains
voltage 400 V, external measures need to be implemented in order to ensure
protection against accidental contact.
Possible consequences:
Death or severe injury
Protective measures:
If protection against accidental contact is required for the control terminals of the drive
and the connections of the plugged device modules, ...
• a double isolating distance must be available.
• the components to be connected must be provided with a second isolating distance.
Note!
The existing protective insulation in the Servo Drives 9400 is implemented according to
EN 61800-5-1.
16
Lenze · E94AYCET communication module (EtherCAT®) · Communication Manual · DMS 9.0 EN · 02/2014 · TD17
Process data1 ... 32 process data words for each direction
(max. 64 bytes, 16 bits / word)
Parameter data (mailbox size for CoE
transfer)
4.4Communication time
Parameter data (SDO)
The communication time for parameter data is the time between the transmission of an SDO
request and the arrival of the corresponding response.
The processing time in the drive is approx. 30ms+20ms tolerance (typical)
Some codes may require a longer processing time (see reference manual/»Engineer« online help for
Servo Drive 9400).
Max. 128 bytes
Process data (PDO)
The communication time for process data is the time between the reception of a PDO with setpoints
and the return of a PDO with the current actual values.
The communication times for process data depend on the ...
• processing time in the drive (interval time of the application task, process data mode);
• Runtime on the fieldbus (frame length, number of nodes, PDO update time, instant of
transmission of the EtherCAT frame);
• Use of the "Distributed clocks" (DC) functionality for synchronised operation.
Synchronisation with "Distributed Clocks" (DC)
( 35)
Lenze · E94AYCET communication module (EtherCAT®) · Communication Manual · DMS 9.0 EN · 02/2014 · TD1719
An EtherCAT frame is sent through a pair of wires from the master to the slaves. The frame is
forwarded from slave to slave until it has passed through all the devices. Finally, the last slave
returns the frame to the master through a second pair of wires. In this way, EtherCAT always forms
a logic ring topology, irrespective of the topology used.
Line topology
M = master
SD = slave device
E94AYCET006
[5-4]Line topology
The devices are interconnected successively.
In order to ensure trouble-free operation, it is required to assign and wire the EtherCAT inputs (IN)
and EtherCAT outputs (OUT) correctly.
The receiving line is plugged into socket X246 (IN), the forwarding line into socket X247 (OUT).
The direction of data transmission is from the master to the slaves.
Tip!
The termination of the last EtherCAT node is effected automatically by the slave.
Switch topology
M = master
S = switch
SD = slave device
E94AYCET007
[5-5]Switch topology
The wiring can also be carried out in a star structure via an appropriate switch. For this, observe the
additional runtimes.
Lenze · E94AYCET communication module (EtherCAT®) · Communication Manual · DMS 9.0 EN · 02/2014 · TD1725
The EtherCAT connection is established via the RJ45 sockets X246 (IN) and X247 (OUT).
A standard Ethernet patch cable is suitable for connecting the communication module to the
EtherCAT fieldbus.
Specification of the Ethernet cable
( 27)
Note!
In order to prevent damage to the RJ45 socket, plug or remove the Ethernet cable
connector straight (at a right angle) into/from the socket.
Pin assignment of the RJ45 sockets
RJ45 socketPinSignal
1Tx +
2Tx -
3Rx +
4-
5-
6Rx -
E94AYCXX004C
7-
8-
Tip!
The EtherCAT interfaces are provided with an auto auto MDIX function. This function
adjusts the polarity of the RJ45 interfaces so that a connection can be established
irrespective of the polarity of the opposite EtherCAT interface and irrespective of the type
of cable used (standard patch cable or crossover cable).
26
Lenze · E94AYCET communication module (EtherCAT®) · Communication Manual · DMS 9.0 EN · 02/2014 · TD17
The communication module can be supplied externally with voltage via separate supply cables at
the 2-pole plug connector X245.
Note!
With external voltage supply, always use a separate power supply unit, safely separated
to EN 61800-5-1 in every control cabinet (SELV/PELV).
External voltage supply of the communication module is necessary if the bus communication is to
be continued in the event of a failure of the supply of the standard device.
Access to parameters of a standard device disconnected from the mains is not possible.
Assignment of the X245 plug connector
DesignationDescription
+U = 24 V DC (20.4 V -0 % ... 28.8 V +0 %)
I = 130 mA
-Reference potential for the external voltage supply
During commissioning, plant-specific data such as motor parameters, operating parameters,
responses, and parameters for fieldbus communication are defined for the drive. Lenze devices use
codes for this purpose.
The codes of the drive and for communication are saved to the memory module in a non-volatile
data set.
In addition, there are codes for diagnosing and monitoring the stations.
Note!
When parameterising the communication module, please observe that the code number
depends on the slot of the Servo Drive 9400 in which the communication module has
been inserted.
The first two digits of the code number specify the slot:
•C13nnn for slot MXI1
Parameters of the communication module for slot MXI1
•C14nnn for slot MXI2
Parameters of the communication module for slot MXI2
You also have to set the Communication-relevant parameters of the standard device
( 94)
.
( 97)
( 114)
6.1Before initial switch-on
Stop!
Before you switch on the Servo Drive 9400 and the communication module for the first
time, check the entire wiring for completeness, short circuit and earth fault.
30
Lenze · E94AYCET communication module (EtherCAT®) · Communication Manual · DMS 9.0 EN · 02/2014 · TD17
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