Festo CPX-FEC User manual

Electronics manual
CPX−Front−End
Controller
Type CPX−FEC
CPX terminal
Manual
538 475
en 0404NH
[677 480]

Contents and general instructions
I
Festo P.BE−CPX−FEC−EN en 0404NH
Author U. Reimann. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Editor M. Holder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Edition en 0404NH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Designation P.BE−CPX−FEC−EN. . . . . . . . . . . . . . . . . . . . . . . .
Order no. 538 475. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
E(Festo AG&Co.KG, D73726 Esslingen, Federal Republic
of Germany, 2004)
Internet: http://www.festo.com
E−Mail: [e-mail]
The reproduction, distribution and utilization of this
document as well as the communicaton of its contents to
otherswithout expressauthorizationisprohibited. Offenders
will be held liable for the payment of damages. All rights
reserved in the event of the grant of a patent, utility module
or design.

Contents and general instructions
II Festo P.BE−CPX−FEC−EN en 0404NH
MODBUStRegistered trade mark of Schneider Automation
Microsoft WindowstRegistered trade mark of Microsoft Corporation
Microsoft Internet Explo
rert
Registered trade mark of Microsoft Corporation

Contents and general instructions
III
Festo P.BE−CPX−FEC−EN en 0404NH
Contents
Designated use VIII. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Target group IX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service IX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Notes on the use of this manual X. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Important user instructions XI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1. System summary 1−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1 Use the future of automation technology today 1−4. . . . . . . . . . . . . . . . . . . . . . .
1.2 The operating modes of the CPX−FEC 1−5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.1 Stand Alone 1−6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.2 Remote Controller 1−7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.3 Remote I/O 1−8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.4 Overview of the operating modes 1−9. . . . . . . . . . . . . . . . . . . . . . . . . .
1.3 Programming the CPX−FEC 1−10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4 Meaning of the LED displays 1−11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4.1 Fault displays of the LEDs 1−12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5 Tutorial: Creating a project for the CPX−FEC with FST (Stand Alone) 1−15. . . . . . .
2. Installation2−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1 General notes on installation 2−4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2 Setting the switches of the FEC 2−8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2.1 Rotary switch 2−8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2.2 DIL switches 2−9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3 Ethernet interface 2−11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.1 Ethernet cable 2−11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4 Programming interface (RS232) 2−13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4.1 Pin assignment 2−13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4.2 Connecting a programming PC 2−14. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4.3 Connecting the Front End Display FED−50/90 2−17. . . . . . . . . . . . . . . . .
2.5 Service interface for handheld 2−18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.6 Compliance with protection class IP65/IP67 2−19. . . . . . . . . . . . . . . . . . . . . . . . .

Contents and general instructions
IV Festo P.BE−CPX−FEC−EN en 0404NH
3. General operation(Stand Alone) 3−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1 Configuration 3−4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1.1 Create connection to CPX−FEC 3−4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1.2 Creating a project 3−5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1.3 Fast configuration by loading the actual configuration 3−8. . . . . . . . . .
3.1.4 Manual configuration with the Hardware Configurator 3−10. . . . . . . . . .
3.2 Addressing 3−19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2.1 Default addressing 3−19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2.2 Individual addressing 3−20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2.3 Addressing example 3−21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3 Parametrizing 3−27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3.1 Parametrizing with the handheld 3−29. . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3.2 Parametrizing with the Hardware Configurator of the FST 3−29. . . . . . .
3.3.3 Parametrizing from a user program 3−34. . . . . . . . . . . . . . . . . . . . . . . . .
3.3.4 Forcing 3−35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3.5 Application example for the parametrizing 3−38. . . . . . . . . . . . . . . . . . .
3.4 Programming the CPX−FEC 3−39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4.1 Overview of operands 3−40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4.2 Overview of operations 3−41. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4.3 Overview of function modules for the CPX terminal 3−45. . . . . . . . . . . .
3.4.4 User programs 3−46. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4.5 Program example (STL) 3−50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.5 Diagnosis 3−52. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.5.1 Diagnosis with the controller LEDs RUN, STOP and ERROR 3−53
. . . . . .
3.5.2 Diagnosis with the Hardware Configurator 3−55. . . . . . . . . . . . . . . . . . .
3.5.3 Diagnosis in the user program 3−59. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.6 Access and control via CI commands 3−61. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4. With theCPXterminal to theEthernet 4−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.1 Ethernet in automation technology 4−4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.1.1 Why Ethernet? 4−4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2 Basic principles of the Ethernet 4−5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2.1 IP addressing in the Ethernet 4−6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2.2 Data exchange on layers 1 to 4 4−9. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Contents and general instructions
V
Festo P.BE−CPX−FEC−EN en 0404NH
4.2.3 Data exchange in the application layers 5 to 7 4−11. . . . . . . . . . . . . . . .
4.3 Ethernet with CPX−FEC 4−13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.3.1 Connecting the CPX−FEC to the Ethernet 4−13. . . . . . . . . . . . . . . . . . . . .
4.3.2 IP addressing of the CPX−FEC 4−13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.3.3 HTTP 4−16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.3.4 TFTP, Telnet 4−17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.3.5 E−mails can be sent with the CPX−FEC (SMTP driver) 4−18. . . . . . . . . . . .
4.3.6 Example of a program for sending an e−mail 4−19. . . . . . . . . . . . . . . . . .
4.4 The Webserver of the CPX−FEC 4−21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.4.1 Possibilities and limits of the Webserver 4−21. . . . . . . . . . . . . . . . . . . . .
4.4.2 Standard Web pages of the CPX−FEC 4−22. . . . . . . . . . . . . . . . . . . . . . . .
4.4.3 Creating own Web pages for the CPX−FEC 4−25. . . . . . . . . . . . . . . . . . . .
4.4.4 Load files into the Webserver 4−28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5. Remote Controller mode5−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1 Remote Controller Ethernet 5−4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1.1 Configuration 5−5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1.2 Operation as Remote Controller 5−7. . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1.3 Diagnosis with the controller LEDs RUN, STOP, ERROR and TP 5−11. . .
5.2 Remote Controller Field bus 5−13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2.1 Configuration 5−15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2.2 Configuration example and communication sequence 5−16. . . . . . . . . .
5.2.3 Parametrizing 5−21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2.4 Diagnosis 5−21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6. Remote I/O Ethernet 6−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.1 General information 6−4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.2 Modbus/TCP: Commands and addressing 6−7. . . . . . . . . . . . . . . . . . . . . . . . . . .
6.2.1 Modbus commands and address assignment 6−7. . . . . . . . . . . . . . . . .
6.2.2 CPX status information (group A) 6−8. . . . . . . . . . . . . . . . . . . . . . . . . . .
6.2.3 Processing data (groups B and D) 6−10. . . . . . . . . . . . . . . . . . . . . . . . . .
6.2.4 Diagnostic memory (groups C and E) 6−24. . . . . . . . . . . . . . . . . . . . . . . .
6.2.5 Objects (group F) 6−26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.2.6 Addressing examples for Modbus/TCP 6−26. . . . . . . . . . . . . . . . . . . . . .

Contents and general instructions
VI Festo P.BE−CPX−FEC−EN en 0404NH
6.3 EasyIP 6−32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.4 Diagnosis 6−33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.4.1 Diagnosis with the control and Ethernet LEDs 6−33. . . . . . . . . . . . . . . . .
A. Technical appendix A−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A.1 Technical specifications of the Front End Controller CPX−FEC A−3. . . . . . . . . . . .
B. DriversB−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B.1 Drivers B−3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B.1.1 Drivers for the CPX−FEC (operating mode Remote Controller) B−3. . . .
B.1.2 Drivers for the CPX−FEC (operating mode Remote I/O Ethernet) B−5. .
C.Functionmodules C−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C.1 General function modules for the CPX−FEC C−3
. . . . . . . . . . . . . . . . . . . . . . . . . . .
C.1.1 Fault message C−13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C.2 Modules for special functions of the CPX−FEC C−14. . . . . . . . . . . . . . . . . . . . . . . .
C.2.1 Modules for the SMTP driver (send e−mail) C−14. . . . . . . . . . . . . . . . . . .
C.2.2 Fault codes C−17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D. TheCommand Interpreter D−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D.1 The Command Interpreter (CI) D−3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D.1.1 Connection to a dialog device D−3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D.1.2 Selecting the command interpreter (Login) D−4
. . . . . . . . . . . . . . . . . . .
D.1.3 Exiting the command interpreter D−6. . . . . . . . . . . . . . . . . . . . . . . . . . .
D.1.4 CI command D−6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D.1.5 Displaying operands and statuses with Display (D) D−10. . . . . . . . . . . .
D.1.6 Changing operands with Modify (M) D−14. . . . . . . . . . . . . . . . . . . . . . . .
D.1.7 Commands for program controller D−17. . . . . . . . . . . . . . . . . . . . . . . . . .
D.1.8 Commands for forcing inputs and outputs D−19. . . . . . . . . . . . . . . . . . .
D.1.9 Initialising user memory D−21
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D.1.10 Password D−22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D.1.11 Driver−specific commands D−23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D.1.12 Linking CI commands D−24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Contents and general instructions
VII
Festo P.BE−CPX−FEC−EN en 0404NH
E.IndexE−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Contents and general instructions
VIII Festo P.BE−CPX−FEC−EN en 0404NH
Designated use
The CPX−FEC (Front−End Controller) described in this manual
is intended exclusively for use as follows:
 for controlling pneumatic and electric actuators (valves
and output modules)
 for interrogating electric sensor signals through the input
modules
 communication via Ethernet
The CPX terminal may only be used as follows:
asintended in industrial installations.
 without any modifications by the user. Only the conver
sions or modifications described in the documentation
supplied with the product are permitted.
infaultless technical condition.
The maximum values specified for pressures, temperatures,
electrical data, torques, etc. must not be exceeded.
If used together with additional commercially available com
ponents, such as sensors and actuators, the specified limits
for pressures, temperatures, electrical data, torques etc.
must be observed.
Observe also the standards specified in the relevant chapters,
as well as national and local laws and technical regulations.

Contents and general instructions
IX
Festo P.BE−CPX−FEC−EN en 0404NH
Target group
This manual is intended exclusively for technicians trained in
control and automation technology who have experience in
installing, commissioning, programming and diagnosing
slaves on the Ethernet and the relevant field bus protocols.
Service
Please consult your local Festo repair service if you have any
technical problems.

Contents and general instructions
XFesto P.BE−CPX−FEC−EN en 0404NH
Notes ontheuse of this manual
Please note
This manual refers to the following versions:
Hardware/softwareVersion1)
CPX−FEC asfrom software status 31.03.2004
Festo Software Tools (FST)  Version 4.1 or higher
CPX−FB06 Interbus 2) asfrom software status 11.07.2003
CPX−FB11 DeviceNet 2) asfrom software status 06.10.2003
CPX−FB13 PROFIBUS−DP 2) asfrom software status 26.02.2004
CPX−FB14 CANopen 2) asfrom software status 22.08.2003
CPX−FB23 CC−Link 2) asfrom software status 07.08.2003
1) Software status (SW) see type plate
2) For operating mode Remote Controller Field bus
Tab.0/1: Hardware and software states for this manual
Note Tab.0/2 for further manuals on the CPX terminal.

Contents and general instructions
XI
Festo P.BE−CPX−FEC−EN en 0404NH
Important user instructions
Danger categories
This manual contains instructions on the possible dangers
which may occur if the product is not used correctly. These
instructions are marked (Warning, Caution, etc.), printed on a
shaded background and marked additionally with a picto
gram. A distinction is made between the following danger
warnings:
Warning
This means that failure to observe this instruction may
result in serious personal injury or damage to property.
Caution
This means that failure to observe this instruction may
result in personal injury or damage to property.
Please note
This means that failure to observe this instruction may
result in damage to property.
The following pictogram marks passages in the text which
describe activities with electrostatically sensitive compo
nents.
Electrostatically sensitive components may be damaged if
they are not handled correctly.

Contents and general instructions
XII Festo P.BE−CPX−FEC−EN en 0404NH
Marking special information
The following pictograms mark passages in the text contain
ing special information.
Pictograms
Information:
Recommendations, tips and references to other sources of
information.
Accessories:
Information on necessary or sensible accessories for the
Festo product.
Environment:
Information on environment−friendly use of Festo products.
Textmarkings
·The bullet indicates activities which may be carried out in
any order.
1. Figures denote activities which must be carried out in the
numerical order specified.
 Hyphens indicate general activities.

Contents and general instructions
XIII
Festo P.BE−CPX−FEC−EN en 0404NH
TypeTitleDescription
Electronics
manual
System manual"
typeP.BE−CPX−SYS−...
Overview of structure, components and
method of operation of CPX terminals
Installation and commissioning instructions as
well as basic principles of parameterisation
CPX field bus node"
typeP.BE−CPX−FB...
Instructions on fitting, installing, commission
ing and diagnosing the relevant field bus node
CPX I/O modules"
type P.BE−CPX−EA−...
Notes on connection and instructions on fitting,
installing and commissioning input and output
modules of type CPX−..., the MPA pneumatic
modules as well as of MPA, CPA and Midi/Maxi
pneumatic interface
CPX analogue
I/Omodules"
typeP.BE−CPX−AX−...
Notes on connection and instructions on fitting,
installing and commissioning CPX analogue I/O
modules
CPX−CP interface"
type P.BE−CPX−CP−..
Instructions on commissioning and diagnosing
CPX terminals with the CP interface type
CPX−CP−4−FB
Handheld"
type P.BE−CPX−MMI−1−...
Instructions on commissioning and diagnosing
CPX terminals with the handheld type
CPX−MMI−1
CPX−FEC"
type P.BE−CPX−FEC−...
Instructions on fitting, installing, commissio
ning and diagnos. the CPX Front−End Controller.
Software
package
FST" Programming in Statement List and Ladder
Diagram for the FEC
Manual
pneumatics
Valve terminals with
MPApneumatics"
type P.BE−MPA−...
Information on fitting, installing and commis
sioning MPA pneumatics (type 32)
Valve terminals with
CPApneumatics"
type P.BE−CPA−...
Information on fitting, installing and commis
sioning CPA pneumatics (type 12)
Valve terminals with
Midi/Maxipneumatics"
type P.BE−MIDI/MAXI−03−...
Instructions on fitting, installing and commis
sioning Midi/Maxi pneumatics (type 03)
Tab.0/2: Manuals on the CPX terminal

Contents and general instructions
XIV Festo P.BE−CPX−FEC−EN en 0404NH
The following product−specific terms and abbreviations are
used in this manual:
Term/abbreviationMeaning
A0hHexadecimal numbers are marked by a subscript h".
AI Analogue input
AO Analogue output
CP modules Common term for the various modules which can be incorporated in a
CPX terminal
CPX terminal Complete system consisting of CPX modules with or without pneumatics.
DI Digital input
DIL switch Dual−in−line switches usually consist of several switch elements with
which settings can be made.
DO Digital output
Field bus node Provides the connection to certain field buses. Transmits control signals
to the connected modules and monitors their functioning.
FW Flag word
Handheld / MMI Hand−operated device for commissioning and for servicing purposes
IB, IW Input byte, input word
I/O modules Common term for CPX modules which provide digital inputs and outputs.
I/Os Digital inputs and outputs
OB, OW Output byte, output word
PLC/IPC Programmable logic controller/industrial PC
Pneumatic interface The pneumatic interface is the interface between the modular electrical
peripherals and the pneumatics.
Tab.0/3: Product−specific terms and abbreviations

Contents and general instructions
XV
Festo P.BE−CPX−FEC−EN en 0404NH
The following network−specific terms and abbreviations are
used in this manual:
Term/abbreviationMeaning
ARP Creates the relationship between the physical Ethernet address and
the logical IP address (Address Resolution Protocol)
BOOTP Dynamic protocol for automatic assignment of IP addresses
(Boot protocol, predecessor of DHCP)
DHCP Dynamic protocol for automatic assignment of IP addresses
(Dynamic Host Configuration Protocol)
EasyIP Protocol for the fast exchange of operands between Festo controllers
(e.g. FEC Standard, PS1, etc.).
Ethernet Physical protocol and network for connecting various devices
FTP, TFTP Protocol for datatransmission via TCP/IP
(File Transfer Protocol, Trivial File Transfer Protocol)
HTTP Protocol for data transmission via TCP/IP (Hyper Text Transfer Protocol)
ICMP Exchange of fault and status information of the network
(Internet Control Message Protocol)
IP Protocol for addressing and delivering data (Internet Protocol)
ISO/OSI layer model Standardized model for data transmissions (7 layers)
MAC address Fixed assigned address for Ethernet device (Media Access Control)
Modbus/TCP Communication standard via TCP/IP in automation technology
TCP Protocol for data transport and protection (Transfer Control Protocol)
TCP/IP Combination of the protocols TCP and IP, the most−widely used protocol
in communication via Ethernet.
UDP Simplified protocol for data transport without test mechanisms
(User Datagram Protocol)
WWW World Wide Web
Tab.0/4: Network−specific terms and abbreviations

System summary
1−1Festo P.BE−CPX−FEC−EN en 0404NH
Chapter 1

1. System summary
1−2 Festo P.BE−CPX−FEC−EN en 0404NH
Contents
1. System summary 1−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1 Use the future of automation technology today 1−4. . . . . . . . . . . . . . . . . . . . . . .
1.2 The operating modes of the CPX−FEC 1−5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.1 Stand Alone 1−6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.2 Remote Controller 1−7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.3 Remote I/O 1−8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.4 Overview of the operating modes 1−9. . . . . . . . . . . . . . . . . . . . . . . . . .
1.3 Programming the CPX−FEC 1−10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4 Meaning of the LED displays 1−11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4.1 Fault displays of the LEDs 1−12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5 Tutorial: Creating a project for the CPX−FEC with FST (Stand Alone) 1−15. . . . . . .

1. System summary
1−3
Festo P.BE−CPX−FEC−EN en 0404NH
Contents of this chapter This chapter provides an overview of the three operating
modes of the CPX−FEC. A tutorial provides a first summary of
the most important configuration steps with the software
package FST 4.1.
Further information Detailed information on the CPX terminal and on the FST can
be found here:
 manuals on the CPX terminal: CPX system manual,
descriptions of the I/O modules, descriptions of the
fieldbus node
 the FST manual (2 volumes, supplied with the FST
software)
 text book Automation with FST" (supplied with the FST
software)
 manuals on the pneumatics (MPA, CPA, CPV, Midi/Maxi)