This documentation exclusively describes the communication module E94AYCPM (PROFIBUS).
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.
Typical applications are explained with the help of examples.
The theoretical connections are only explained in so far as they are necessary for comprehending
the function of the communication module.
This documentation does not describe the software of other manufacturers. No responsibility is
taken for corresponding information given in this documentation. Information on how to use the
software can be obtained from the documents of the host system (master).
All brand names used in this documentation are trademarks of their respective owners.
Tip!
Detailed information about PROFIBUS can be found on the website of the PROFIBUS &
PROFINET user organisation:
www.profibus.com
Lenze · E94AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 12.0 EN · 11/2012 · TD175
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 given in this documentation is valid for the following devices:
Extension moduleType designationFrom hardware
version
PROFIBUS communication moduleE94AYCPM1A01.11
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
(»Engineer«, »STEP7«), the screenshots in this documentation my differ from the actual screen
display.
From software
version
6Lenze · E94AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 12.0 EN · 11/2012 · TD17
This manual uses the following conventions to distinguish between different types of information:
Type of informationWritingExamples/notes
Numbers
Decimal separatorPointThe decimal point is always 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«...
WindowitalicsThe message window... / The Options dialog box ...
Variable nameSetting bEnable to TRUE...
Control elementBoldThe OK button ... / The Copy command ... / The Properties tab
Sequence of menu
commands
HyperlinkUnderlined
Symbols
Page reference ( 8)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 controller are highlighted
accordingly in this documentation.
Example: This function extension is available from software
version V3.0!
... / 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 indicated by a pictograph.
Open to...
Lenze · E94AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 12.0 EN · 11/2012 · TD177
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 instructions
Danger!
If you disregard the following basic safety measures, this can cause severe injury to
persons and damage to material assets.
Lenze drive and automation components ...
• must only be used as directed.
Application as directed
• must never be commissioned in the event of visible damage.
• must never be technically modified.
• must never be commissioned before they have been completely mounted.
• must never be operated without the covers required.
• can - depending on their degree of protection - have live, moving or rotating parts during and
after operation. Surfaces can be hot.
For Lenze drive components ...
• use only the accessories approved.
• use only original spare parts from the manufacturer.
Observe all specifications given in the attached and associated documentation.
• This is the precondition for safe and trouble-free operation and for obtaining the product
features specified.
Features
• The procedural notes and circuit details described in this document are only proposals. It is up
to the user to check whether they can be adapted to the particular applications. Lenze does not
take any responsibility for the suitability of the procedures and circuit proposals described.
( 13)
( 12)
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 · E94AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 12.0 EN · 11/2012 · 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).
• Only use cables corresponding to the given specifications.
Bus cable specification
( 26)
Documentation for the standard device, control system, plant/machine
All other measures prescribed in this documentation must also be implemented.
Observe the safety instructions and application notes specified in the documentation.
2.3Residual hazards
Protection of persons
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.
Protective insulation
Device protection
The communication module contains electronic components which may be damaged or destroyed
by electrostatic discharge.
Installation
( 21)
( 16)
Lenze · E94AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 12.0 EN · 11/2012 · 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
controller and the terminals of the plugged-in device modules, ...
• a double isolating distance must be provided.
• 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 · E94AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 12.0 EN · 11/2012 · TD17
Documentation for the standard device, control system, plant/machine
Observe the notes and wiring instructions given in the documentation.
5.2.1Network topology
The following examples show two simple RS485 networks.
Every segment of the network must be terminated at both ends. The bus terminators of the
PROFIBUS are marked with a "Z" in the below examples.
In the case of an RS485 network of only one segment, the PROFIBUS master (M) with the integrated
bus terminator starts the segment while the bus terminating resistor in the connector of the last
PROFIBUS station (S) must be activated.
M
Z
Z
SSS
1
[5-3]RS485 network with one segment
An RS485 network consisting of several segments contains repeaters (R) for connecting the
segments. The repeaters are provided with integrated bus terminating resistors.
M
Z
Z
Z
SSS
Z
R
SS
Z
R
Z
123
[5-4]RS485 network with a repeater
E94YCPM012a
E94YCPM012b
If no repeater is to be used at the end of the segment, the bus terminating resistor must be activated
in the connector of the last device. The bus termination is supplied by the station itself.
Lenze · E94AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 12.0 EN · 11/2012 · TD1723
If the communication module is supplied externally, the bus terminator can be supplied
independently of the standard device supply.
External voltage supply
( 28)
Note!
The bus terminator must always be supplied. Otherwise, the bus can get unstable.
Activating the bus terminating resistor
Number of stations
( 25)
M
RR
SSSS S
123
2133PFB004
[5-5]Number of stations
SegmentMaster (M)Slave (S)Repeater (R)
1131-
230-
2-301
3-301
24
Tip!
Repeaters do not have a station address. When calculating the maximum number of
stations, they reduce the number of stations by 1 on each side of the segment.
Repeaters can be used to build up line and tree topologies. The maximum total bus system
expansion depends on ...
• the baud rate used;
• the number of repeaters used.
Lenze · E94AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 12.0 EN · 11/2012 · TD17
The length of the bus cable depends on the baud rate and cable type used. The data in the following
table applies to PROFIBUS cables of "FC-Standard Cable" cable type .
Baud rateLength
9.6 ... 93.75 kbps1200 m
187.5 kbps1000 m
500 kbps400 m
1500 kbps200 m
3000 ... 12000 kbps100 m
Note!
The baud rate depending of the data volume, cycle time and number of stations should
only be selected as high as required for the application.
Tip!
We recommend taking the use of optical fibres into consideration for high baud rates.
Advantages of optical fibres:
• External electromagnetic interferences have no effect on the transmission path.
• Bus lengths of several kilometres are also possible with higher baud rates.
• The bus length is ...
• independent of the baud rate;
• dependent on the optical fibre used.
26
Lenze · E94AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 12.0 EN · 11/2012 · TD17
During commissioning, plant-specific data such as motor parameters, operating parameters,
responses, and parameters for fieldbus communication are defined for the controller. Lenze devices
use codes for this purpose.
The codes of the controller and for communication are saved to the memory module in a nonvolatile 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 indicate 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
( 91)
.
( 93)
( 102)
6.1Before initial switch-on
Stop!
Before switching on the controller for the first time, check ...
• the entire wiring for completeness, short circuit and earth fault:
• whether the bus system is terminated through a bus terminating resistor at the first
and last physical bus station.
Activating the bus terminating resistor
( 25)
Lenze · E94AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 12.0 EN · 11/2012 · TD1729
The host (master) must be configured before communication with the communication module is
possible.
Configuration for the host system (master) and the DP-V0 parameter data channel
For configuring the PROFIBUS you must read the device description file of the communication
module into the master.
The device description file for the E94AYCPM communication module (PROFIBUS) can be found in
the download area at:
www.Lenze.com
The following language variants of the device description file can be used:
• LENZ07A8.GSD (source file, English)
• LENZ07A8.GSG (German)
• LENZ07A8.GSE (English)
Defining the user data length
The user data length is defined during the initialisation phase of the master.
The Servo Drives 9400 support the configuration of a maximum of 32 process data words (max.
64 bytes). The optional activation of the cyclic parameter data channel additionally occupies
4 process data words (8 bytes). The transfer of PROFIsafe messages, too, occupies 4 additional
process data words.
The user data lengths for process input data and process output data are the same.
Description of the device data base file
Selection textParameter data
DRIVECOM-PAR
(cons) + PCD (nW
cons)
PCD (nW cons)-n words-n words
PCD (nW)--4 words4 words
Safety (4W)-4 words-4 words
n = 1 ... 32 process data words
with consistency
Process dataAssigned
with consistencywithout consistency
Yesn words-4 + n words
IO memory
30
Example of selecting the device data base file
DRIVECOM-PAR (cons) + PCD (8W cons)
• "Drivecom-PAR (cons)" = DP-V0 parameter data channel (4 words)
• "PCD (8W cons)" = 8 process data words
Tip!
A detailed description of consistency is given in the chapter "Consistent parameter data
( 76).
Lenze · E94AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 12.0 EN · 11/2012 · TD17
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