Festo CPX-E-PN User manual

System CPX-E
Bus module CPX-E-PN
Description
Protocol
PROFINET
Function
Parameterisation
8071139
2017-07
[8071141]

Bus module CPX-E-PN
2Festo – CPX-E-PN-EN – 2017-07 –
Original instructions
CPX-E-PN-EN
PI PROFIBUS PROFINET®, PROFIenergy®are registered trademarks of the respective trademark owners in certain
countries.
Symbols used:
Note
Material damage or loss of function
Recommendations, tips, references to other documentation

Bus module CPX-E-PN
Festo – CPX-E-PN-EN – 2017-07 – English 3
Table of Contents
1 About this document 4.....................................................................
1.1 Further applicable documents 4..............................................................
1.2 Target group 4............................................................................
1.3 Product version 4.........................................................................
1.4 Product labelling 5........................................................................
1.5 Specified standards 5......................................................................
2 Function 6...............................................................................
2.1 General 6................................................................................
2.1.1 Web server 6......................................................................
2.1.2 Device description file 6.............................................................
2.1.3 PROFIenergy 6.....................................................................
2.1.4 Crossover detection (auto MDI/MDI-X) 6................................................
2.1.5 Priority start-up (Fast Start-Up) 6......................................................
2.1.6 Identification & Maintenance (I&M) 6...................................................
2.1.7 Product design 7...................................................................
2.1.8 Display components 7...............................................................
2.1.9 Connecting components 7............................................................
2.2 Address assignment 8......................................................................
2.3 Addressing 8.............................................................................
2.3.1 Basic rules for addressing 8..........................................................
2.3.2 Addressing example 8...............................................................
2.4 Diagnostics options 9......................................................................
2.4.1 LED indicators 10....................................................................
2.4.2 Status bits 11.......................................................................
2.4.3 I/O diagnostic interface 11............................................................
2.5 Diagnostics via PROFINET IO 12...............................................................
2.5.1 Error numbers 12....................................................................
3 Parameterisation 13........................................................................
A Technical Data 14..........................................................................
B Terminology 15............................................................................
Index 16......................................................................................

1 About this document
4Festo – CPX-E-PN-EN – 2017-07 – English
1 About this document
This document describes the function and parameterisation of the product stated in the title. Safe use of the
product is described in a separate document è1.1 Further applicable documents.
1.1 Further applicable documents
Document Contents
Description of system CPX-E (CPX-E-SYS) Detailed description of system CPX-E
Instructions for using system CPX-E (CPX-E-SYS) Instructions and important notes on mounting,
electrical installation and maintenance tasks for
asystem CPX-E
Instructions for using bus module CPX-E-EP (CPX-E-EP) Instructions and important notes on the use and safe
usage of the product
Documentation for the components in a system CPX-E
and the connected peripherals
Information on using the components
Documentation for the higher-order controller and the
additional participants in the network
Information on commissioning and parameterisation
ofthe components
Tab. 1.1
For all available product documentation èwww.festo.com/pk.
1.2 Target group
This document is intended for qualified personnel. Experience of a PROFINET IO network is required in order to
understand this documentation.
1.3 Product version
This document refers to the following product versions:
Product Version
CPX-E-PN Bus module CPX-E-PN as of Revision 1
Tab. 1.2
The product version can be identified from the product label or with the help of appropriate software from Festo.
Appropriate software for identifying the product version can be found in the Festo Support Portal
èwww.festo.com/sp.
Information on using the software can be found in the integrated Help function.
There may be an updated version of this document for these or later product versions.
 Check whether a corresponding version of this document is available èwww.festo.com/sp.

1 About this document
Festo – CPX-E-PN-EN – 2017-07 – English 5
1.4 Product labelling
The product labelling is located on the left-hand side of the module. Scanning the printed Data Matrix Code with an
appropriate device calls up the Festo Support Portal, with information appropriate for the product. Alternatively, the
Product Key (11-digit alphanumeric code on the product labelling) can be entered in the search field of the Support
Portal.
1Designation
2Part number/serial number
3Revision status
4MAC ID
5Data Matrix Code
6Product Key
7Approvals/warning symbols
8Port assignment
1
2
3
4
5
7
6
8
Fig. 1.1
1.5 Specified standards
Version status
EN 60529:2013-10 IEC 61784:2014-08
EN 61000-6-2:2009-04 IEC 61918:2013-08
EN 61000-6-4:2011-09 IEEE 802.3:2014-00
IEC 60204-1:2014-10 NE 21:2012-05
IEC 61158:2014-07
Tab. 1.3

2 Function
6Festo – CPX-E-PN-EN – 2017-07 – English
2 Function
2.1 General
The product is intended for operating a system CPX-E in a PROFINET IO network. Data is transmitted on the basis of
Industrial Ethernet following the IEEE 802.3 protocol. Communication takes place in real time, using the Real-Time
Protocol (RT) or the Isochronous Real-Time Protocol (IRT).
The product has two equivalent Ethernet interfaces (RJ45) with integrated switch, and therefore supports both star
and line topology. The network can be divided into segments using additional switches and routers. This makes it
possible to structure the network and extend it further.
2.1.1 Web server
The integrated web server provides read access to the key parameters and diagnostic functions of the system
CPX-E.
The web server can be accessed by entering the IP address in the address bar of a web browser.
Factory settings of the bus module:
IP address: 192.168.10.3, subnet mask: 255.255.255.0
2.1.2 Device description file
A device description file (GSDML file) is used for configuring the bus module in the higher-order controller software.
This file contains all the information required for parameterising the system CPX-E using controller software (such as
Siemens STEP 7).
The device description file is available on the Festo Support Portal (èwww.festo.com/sp).
2.1.3 PROFIenergy
The product supports the PROFIenergy profile for energy management. This makes it possible to switch off specific
consumers that are not required in order to reduce energy demand.
2.1.4 Crossover detection (auto MDI/MDI-X)
The product supports crossover detection (auto MDI/MDI-X), which means that there is the option of using patch
cables or crossover cables.
When using patch cables and crossover cables in the same network, crossover detection must be
activated in the higher-order controller.
When using the “Priority start-up” function (Fast Start-Up), crossover detection (auto MDI/MDI-X) must
be deactivated.
2.1.5 Priority start-up (Fast Start-Up)
The “Priority start-up” function (Fast Start-Up) ensures that the system CPX-E is able to start up quickly.
When using the “Priority start-up” function (Fast Start-Up), crossover detection (auto MDI/MDI-X) must
be deactivated and the bus module must be parameterised as a slave.
2.1.6 Identification & Maintenance (I&M)
The “Identification & Maintenance” (I&M) function acts as an electronic product label for the bus module and
provides standardised, non-proprietary access to device-related information about the network.

2 Function
Festo – CPX-E-PN-EN – 2017-07 – English 7
2.1.7 Product design
1LED indicators
2Terminal strip for operating voltage supply UEL/SEN
[XD]
3Terminal strip interlock
4Network connection [XF2]
5Linking
6Network connection [XF1]
1
23
4
5
6
Fig. 2.1
2.1.8 Display components
1Network-specific LED indicators:
– Network fault [NF] (red)
– Maintenance [M/P] (yellow/green)
– Connection/data traffic [XF1]/[XF2] (green)
2System-specific LED indicators:
– Operating voltage supply UEL/SEN [PS]
(green)
– Load voltage supply UOUT [PL] (green)
– System fault [SF] (red)
– Force mode [M] (yellow)
1
2
Fig. 2.2
2.1.9 Connecting components
Port [XF1], [XF2] Signal Designation
1 TD+ Transmitted data +
2 TD– Transmitted data –
3RD+ Received data +
4 n.c. –
5 n.c. –
6RD– Received data –
7 n.c. –
8 n.c. –
1) Shield Functional earth
1) Housing
Tab. 2.1
Connection [XD]1) Signal
0+24 V DC operating voltage supply UEL/SEN
1
20 V DC operating voltage supply UEL/SEN
3
1) The ports XD.0 and XD.1 and also XD.2 and XD.3 are interconnected in the terminal strip.
Tab. 2.2

2 Function
8Festo – CPX-E-PN-EN – 2017-07 – English
2.2 Address assignment
The system CPX-E is composed of a different number of inputs and outputs, depending on the number and type
ofmodules CPX-E used and the parameterisation of the bus module. The inputs and outputs are assigned
automatically within the system CPX-E.
The address assignment (number of allocated inputs and outputs) on the system CPX-E must be determined prior
tocommissioning.
– A maximum of 10 I/O modules + bus module is permitted in one system CPX-E.
– The address space of a system CPX-E is limited. The bus module provides the system CPX-E with
amaximum address space of 64 bytes for inputs and 64 bytes for outputs.
– Activated diagnostic functions as well as status bits or the I/O diagnostic interface reduce the size
ofthe available address space.
2.3 Addressing
2.3.1 Basic rules for addressing
– The address assignment of the inputs is independent of the address assignment of the outputs.
– The bus module counts as a module with 0 inputs and 0 outputs when the status bits and the I/O diagnostic
interface are deactivated.
– Activated status bits occupy 8 inputs.
– An activated I/O diagnostic interface occupies 16 inputs and 16 outputs.
– The inputs and outputs of different module types are assigned separately from each other.
Addressing is generally carried out by the higher-order controller (in cases where a Siemens higher-order
controller is being used).
2.3.2 Addressing example
1Bus module CPX-E-PN (with status bits)
– Status bits activated
– I/O diagnostic interface deactivated
2Digital input module CPX-E-16DI
3Digital output module CPX-E-8DO
4Digital output module CPX-E-8DO
5Analogue input module CPX-E-4AI-U-I
6Analogue output module CPX-E-4AO-U-I
Module no.: 0 1 2 345
123456
Fig. 2.3
Tab. 2.3 shows the address assignment for the system CPX-E pictured here, in a TIA portal with a Siemens PLC.
Module no. Module Input address Output address
0Bus module CPX-E-PN (with status bits) Byte 68 –
1Digital input module CPX-E-16DI Byte 1 … 2 –
2Digital output module CPX-E-8DO –Byte 1
3Digital output module CPX-E-8DO –Byte 2
4Analogue input module CPX-E-4AI-U-I Byte 69 … 76 –
5Analogue output module CPX-E-4AO-U-I –Byte 64 … 71
Tab. 2.3

2 Function
Festo – CPX-E-PN-EN – 2017-07 – English 9
2.4 Diagnostics options
The module supports various diagnostics options, depending on the configuration and parameterisation of the
system CPX-E.
Diagnostics option Description Detailed information
LED display components
System-specific The system status and errors are
displayed directly on the module via LED
indicators.
èInstructions for using system CPX-E
èDescription of system CPX-E
Network-specific The network status and errors are
displayed directly on the module via LED
indicators.
è2.4.1
èInstructions for using CPX-E-PN
Status bits Common diagnostic messages are
transmitted cyclically to the interface as
internal inputs. Access is via the control
software, independently of the interface
and master.
è2.4.2
èDescription of system CPX-E
I/O diagnostic interface Network-independent diagnostic interface
with read access to the internal data of
the system CPX-E at the I/O level.
è2.4.3
èDescription of system CPX-E
Festo software Malfunctions or errors are displayed
directly on a PC, meaning that diagnostics
is also possible from a higher automation
level.
èOnline help for software
PROFINET IO Diagnostics as part of PROFINET IO
functions via the network.
Detailed module-related and
channel-related error detection by means
of control software.
è2.5
Tab. 2.4

2 Function
10 Festo – CPX-E-PN-EN – 2017-07 – English
2.4.1 LED indicators
This document describes the network-specific LED indicators. The system-specific LED indicators are
described in the documentation for the system CPX-E è1.1 Further applicable documents.
Network fault [NF]
LED (red) Significance Remedy
Flashes
Network connection not OK
Possible causes:
Device name not correct  Check device name.
IO controller defective  Repair IO controller.
Network connection interrupted,
short-circuited or disturbed
 Check network connection.
Off
No fault (if PS LED lights up green) –
Tab. 2.5
Maintenance/PROFIenergy [M/P]
LED (yellow/
green)
Significance Remedy
Lights up
yellow
Maintenance measure required  Check plug connectors.
Flashes green
PROFIenergy activated –
Off
No maintenance measures required,
PROFIenergy not activated
–
Tab. 2.6
Connection status [XF1], [XF2]
LED (green) Significance Remedy
Lights up
Network connection OK –
Flashes
Module positioning if both LEDs (XF1 and XF2)
flash synchronously, e.g. for troubleshooting
purposes or during configuration
–
Off
No network connection  Check network connection.
Tab. 2.7

2 Function
Festo – CPX-E-PN-EN – 2017-07 – English 11
2.4.2 Status bits
The system CPX-E provides 8 status bits for displaying global common diagnostic messages.
The status bits are configured like inputs and supply coded diagnostic information in the form of 0 or 1 signals. If all
status bits are supplying a 0 signal, there is no error. If, in contrast, a status bit supplies a 1 signal, there is an error.
In order to make use of the status bits function, the bus module of the system CPX-E must be configured
accordingly.
The status bits are shown in the process image if this has been specified by selecting the catalogue entry
“E-PN [Status]” in the hardware configurator.
If different errors occur simultaneously on different types of modules, errors cannot be distinguished.
TheI/O diagnostic interface can be used to distinguish errors clearly è2.4.3 I/O diagnostic interface.
You can find detailed information about status bits in the “Description of system CPX-E”
è1.1 Further applicable documents.
2.4.3 I/O diagnostic interface
The system CPX-E provides an I/O diagnostic interface in the form of 16 input bits and 16 output bits for reading
detailed diagnostic information. The I/O diagnostic interface can be used, for example, to precisely determine the
module and channel on which an error has occurred. In order to make use of the I/O diagnostic interface, the bus
module of the system CPX-E must be configured accordingly.
The I/O diagnostic interface is shown in the process image if this has been specified by selecting the catalogue entry
“E-PN [STI]” in the hardware configurator.
You can find detailed information about the I/O diagnostic interface in the “Description of system CPX-E”
è1.1 Further applicable documents.

2 Function
12 Festo – CPX-E-PN-EN – 2017-07 – English
2.5 Diagnostics via PROFINET IO
The system CPX-E supports diagnostics options via PROFINET IO in accordance with IEC 61158; for example,
module-related and channel-related status information as well as error detection in the online mode of the control
software and in the PLC user program.
2.5.1 Error numbers
With the exception of the CPX-E error numbers listed in Tab. 2.8, the CPX-E error numbers in the
PROFINET IO network are transferred with an offset of 1000:
èCPX-E error number + 1000 = PROFINET IO error number
Error number Significance
CPX-E PROFINET IO
2 1 Short circuit
3 6 Wire break
4 2 Undervoltage
5
9 8 Lower limit undershot
10 7 Upper limit exceeded
11 1 Short circuit at valve
13 6 Wire break at valve
65 64 PROFIsafe addresses (F_Dest_Add) different
69 72 Parameterisation error (error in “safe parameterisation”)
75 5 Over-temperature
254 2 Electronics and sensors undervoltage
Tab. 2.8
You can find a list of all CPX-E-specific error numbers in the “Description of system CPX-E”
è1.1 Further applicable documents.

3 Parameterisation
Festo – CPX-E-PN-EN – 2017-07 – English 13
3 Parameterisation
The behaviour of the system CPX-E can be parameterised with the aid of suitable software from Festo or using
ahigher-order controller. Here, a distinction is made between the following variants:
– System parameters
– Module parameters (module-specific and channel-specific)
– Parameterisation of the diagnostic memory
You can find a detailed description of the individual parameters in the “Description of system CPX-E”
andin the descriptions of the individual modules è1.1 Further applicable documents.
System parameters Description/setting options
System parameters (CPX-E-specific)
SCS monitoring You can find detailed information in the “Description of system
CPX-E” è1.1 Further applicable documents.
SCO monitoring
UOUT monitoring
Fail-safe
Force mode
Diagnostic memory
System parameters (CPX-E-PN-specific)
Filter for diagnostic message,
undervoltage UOUT
Inactive Undervoltage is reported via the network.
Active Undervoltage messages are filtered and not reported via the
network. The undervoltage is only indicated by the “SF” LED
flashing on the bus module.
Filter for channel alarms,
undervoltage UOUT
Inactive Undervoltage is reported via the network.
Active Undervoltage messages are filtered; a maximum of one
message per module is sent via the network. The undervoltage
is also indicated by the “SF” LED flashing on the bus module.
Filter for combining channel
alarms (channel bundling)
Inactive Channel alarms are reported individually via the network.
Active Channel alarms (e.g. short circuit or undervoltage) are combined
and sent as a common message via the network. The error is
also indicated by the relevant LED flashing on the bus module.
Analogue process value display
(Intel/Motorola format)
Defines how the process values of the analogue modules are
displayed.
Setting options:
– Intel byte order (LSB-MSB, little endian):1)
Process values are displayed in Intel format (least significant
bit on the left, most significant bit on the right)
– Motorola byte order (MSB-LSB, big Endian):
Process values are displayed in Motorola format (most
significant bit on the left, least significant bit on the right)
This parameter can also be set via the I/O diagnostic interface,
using function number 4402 in bit 7:
– Value “0”: Intel (LSB-MSB)1)
– Value “1”: Motorola (MSB-LSB)
The settings for the byte order and process value display
depend on the higher-order controller and the associated user
programs.
1) Factory setting
Tab. 3.1

A Technical Data
14 Festo – CPX-E-PN-EN – 2017-07 – English
A Technical Data
General
Key feature Specification/value
General technical data, system CPX-E Description of system CPX-E
è1.1 Further applicable documents
Dimensions (length x width x height) [mm] 125.8 x 37.8 x 76.5
Product weight1) [g] 145
Mounting position Vertical/horizontal
Ambient temperature [°C] –5 … +60 (–5 … +50)2)
Storage temperature [°C] –20 … +70
Air humidity (non-condensing) [%] 0 … 95
Assigned address space (inputs/outputs)
Without diagnostics [bit] –/–
With status bits [bit] 8/–
With I/O diagnostic interface [bit] 16/16
Module code/submodule code (CPX-E-specific) 222/34
Module identification E-PN
Degree of protection in accordance with EN 60529 IP20
Protection against electric shock (protection against
direct and indirect contact to IEC 60204-1)
Through the use of PELV circuits
(Protected extra-low voltage)
Electromagnetic compatibility To EN 61000-6-2/-4 and NE 21
1) Including linking
2) With horizontal mounting position
Tab. A.1
Power supply
Key feature Specification/value
Operating voltage supply for electronics/sensors
(UEL/SEN)
[V DC] 24 ± 25 %
Intrinsic current consumption at nominal operating
voltage 24 V from UEL/SEN
[mA] 73
Reverse polarity protection 24 V UEL/SEN against
0 VUEL/SEN
Yes
Mains buffering time [ms] 20
Tab. A.2
Network-specific
Key feature Specification/value
Protocol PROFINET IO1)
Conformity class CC-C
Specification2) IEC 61158, IEC 61784, IEC 61918
Transmission rate [Mbps] 100
Crossover detection Auto-MDI/MDI-X
Maximum cable length per segment [m] 100
Cable specification
Cable type Ethernet twisted pair cable, screened
Transmission class Category Cat 5 or higher
Cable diameter [mm] 6 … 8
Wire cross section [mm²] 0.14 … 0.75; 22 AWG3)
1) Based on the Ethernet protocol IEEE 802.3
2) Standards with reference to PROFINET
3) Required for maximum connection length between network participants
Tab. A.3

B Terminology
Festo – CPX-E-PN-EN – 2017-07 – English 15
B Terminology
Term/abbreviation Description
Bus module Connects a system CPX-E to the network; transmits control signals to the
connected modules CPX-E and monitors their functionality.
Device description file Protocol-specific file for configuring the bus module in the control software for
the higher-order controller. This contains all the information required to
parameterise the system CPX-E via control software.
DIL switch Switch consisting of several switch elements with which settings can be made
(dual in-line).
GSDML file Device description file for PROFINET (Generic Station Description Markup
Language)
I/O Input and output
I/O diagnostic interface Network-independent diagnostic interface at I/O level, which enables access
tothe internal data of the system CPX-E.
I/O module Collective term for modules that provide analogue or digital inputs and/or
outputs.
Modules CPX-E Collective term for modules that can be integrated in a system CPX-E.
PLC Programmable logic controller
Status bits Internal status information (common diagnostic messages) of the system CPX-E,
provided as input signals via the network.
System CPX-E Complete system consisting of modules CPX-E.
Tab. B.1

Bus module CPX-E-PN
16 Festo – CPX-E-PN-EN – 2017-07 – English
Index
A
Abbreviations, 15
Address assignment, 8
Addressing, 8
– Basic rules, 8
– Example, 8
Analogue process value display, 13
C
Channel bundling, 13
Connection status, 10
Crossover detection (auto MDI/MDI-X), 6
D
Device description file , 6
Diagnostic memory, 13
Diagnostics options, 9
– I/O diagnostic interface, 11
– LED indicators, 10
– Status bits, 11
– Via PROFINET IO, 12
Diagnostics via PROFINETIO, 12
– Error numbers, 12
E
Error numbers, 12
F
Fail-safe, 13
Force mode, 13
Further applicable documents, 4
G
GSDML file, 6
I
I/O diagnostic interface, 11
Identification & Maintenance, 6
L
LED indicators, 10
– Connection status, 10
– Maintenance/PROFIenergy, 10
– Network errors, 10
M
Maintenance, 10
Module-specific parameters
– Analogue process value display, 13
– Filter for channel alarms, undervoltage UOUT, 13
– Filter for combining channel alarms (channel
bundling), 13
– Filter for diagnostic message, undervoltage UOUT, 13
N
Network errors, 10
P
Priority start-up (Fast Start-Up), 6
Product labelling, 5
Product version, 4
PROFIenergy, 6, 10
S
SCO monitoring, 13
SCS monitoring, 13
Status bits, 11
System parameters, 13
– Diagnostic memory, 13
– Fail-safe, 13
– Force mode, 13
– SCO monitoring, 13
– SCS monitoring, 13
– UOUT monitoring, 13
System parameters (CPX-E-PN-specific), 13
System parameters (CPX-E-specific), 13
T
Target group, 4
Technical data, 14
Terminology, 15
U
UOUT monitoring, 13
W
Web server, 6

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