Festo CPX User manual

Electronics manual
System description
Installing and
commissioning
CPXterminals
CPX terminal
Manual
526 446
en 0503b
[684 293]

Contents and general instructions
I
Festo P.BE−CPX−SYS−EN en 0503b
Original de. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Edition en 0503b. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Designation P.BE−CPX−SYS−EN. . . . . . . . . . . . . . . . . . . . . . . .
Order no. 526 446. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
E(Festo AG&Co.KG, D73726 Esslingen, Germany, 2005)
Internet: http://www.festo.com
E−Mail: [e-mail]
The reproduction, distribution and utilization of this docu
ment as well as the communicaton of its contents to others
without express authorization is prohibited. 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−SYS−EN en 0503b

Contents and general instructions
III
Festo P.BE−CPX−SYS−EN en 0503b
Contents
Designated use VII. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Areas of application and approval by authorities VIII. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Target group IX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service IX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Important user instructions X. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Notes on the use of this manual XII. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1. Summary of components 1−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1 Structure of the CPX terminal 1−4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1.1 Method of operation of the CPX terminal 1−9. . . . . . . . . . . . . . . . . . . . .
1.1.2 Structure of the electric CPX modules 1−18. . . . . . . . . . . . . . . . . . . . . . .
1.1.3 The power supply concept of the CPX terminal 1−20. . . . . . . . . . . . . . . .
1.2 Commissioning, diagnosis and operating functions 1−27. . . . . . . . . . . . . . . . . . .
2. Fitting 2−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1 General instructions on fitting and dismantling 2−4. . . . . . . . . . . . . . . . . . . . . . .
2.2 Fitting the electric modules 2−5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2.1 Replacing a complete module or manifold sub−base 2−8. . . . . . . . . . .
2.2.2 Increasing or reducing the number of electric modules 2−11. . . . . . . . .
2.2.3 Fitting the right−hand end plates with Midi/Maxi valves 2−16. . . . . . . . .
2.3 Fitting the CPX terminal 2−18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.1 Fitting CPX terminals without pneumatics onto a hat rail 2−18. . . . . . . .
2.3.2 Fitting CPX terminals with CPA or MPA pneumatics onto a hat rail 2−19
2.3.3 Fitting CPX terminals with Midi/Maxi pneumatics onto a hat rail 2−23. .
2.3.4 Fitting onto a wall 2−27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3. Installation3−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1 General instructions on installation 3−4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1.1 Connecting cable 3−4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1.2 Settings for configuring the CPX field bus node 3−7. . . . . . . . . . . . . . .
3.1.3 Settings for configuring the pneumatics 3−8. . . . . . . . . . . . . . . . . . . . .
3.1.4 Selecting the power unit 3−9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Contents and general instructions
IV Festo P.BE−CPX−SYS−EN en 0503b
3.1.5 Connecting the operating voltage 3−13. . . . . . . . . . . . . . . . . . . . . . . . . .
3.1.6 Connecting the field bus 3−20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4. Commissioning 4−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.1 Commissioning procedure 4−4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2 Preparing the CPX terminal for commissioning 4−5. . . . . . . . . . . . . . . . . . . . . . .
4.2.1 Parameterisation 4−7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2.2 Possibilities of parameterisation 4−10. . . . . . . . . . . . . . . . . . . . . . . . . . .
4.3 Start−up behaviour of the CPX terminal 4−11. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5. Diagnosis and error treatment 5−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1 General instructions on diagnosis 5−4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1.1 Possible error numbers 5−6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1.2 On−the−spot diagnosis with LEDs 5−13. . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1.3 CPX−specific LEDs 5−14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2 Diagnosis via status bits or the I/O diagnostic interface 5−19. . . . . . . . . . . . . . . .
5.2.1 Structure of the status bits 5−20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2.2 The I/O diagnostic interface 5−22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A. Technical appendix A−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A.1 Technical specifications A−3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A.2 Cable length and cross−sectional area A−6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B. Parametersand data of theCPXterminal B−1. . . . . . . . . . . . . . . . . . . . . . . . . . .
B.1 Access to internal parameters and data B−4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B.2 Description of the parameters and data B−5. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B.2.1 Overview of the function numbers B−6. . . . . . . . . . . . . . . . . . . . . . . . . .
B.2.2 System parameters B−9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B.2.3 Module parameters B−15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B.2.4 Diagnostic memory parameters B−23. . . . . . . . . . . . . . . . . . . . . . . . . . . .
B.2.5 Diagnostic memory data B−29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B.2.6 System−Diagnostic data B−32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B.2.7 Module diagnostic data B−34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Contents and general instructions
V
Festo P.BE−CPX−SYS−EN en 0503b
B.2.8 System data B−37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B.2.9 Module data B−43. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C.General informationonparametrizingC−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C.1 Input debouncing time C−4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C.2 Signal extension C−6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C.3 Influence of signal states C−9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C.3.1 Force C−12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C.3.2 Signal status in the event of a fault (Fail safe) C−16. . . . . . . . . . . . . . . . .
C.3.3 Signal status in Idle status (Idle mode) C−19. . . . . . . . . . . . . . . . . . . . . .
C.4 Diagnostic memory C−21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C.5 Monitoring faults C−24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D. Index D−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D.1 Index D−3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Contents andgeneral instructions
VIFesto P.BE−CPX−SYS−ENen 0503b
Designated use
CPX terminalsaredesigned for fittinginto amachineor an
automated system. Dependingon theCPX node used, they
can be connected to aspecialfieldbussystem andservefor
interrogatingsensor signalsandfor controllingpneumatic
andelectricactuators.
Theindividual CPX modules oftheCPX terminal aredocum
ented in specificmanuals. Thesafety instructionslisted in the
manualsmust alwaysbe observed andtherelevantCPX mod
ulemust only be used as intended. CPX modules andcables
areonly to be used as follows:
 only for industrial usage.
inaccordance with designated use.
withoutany modificationsby theuser.Only theconver
sionsor modificationsdescribed in thedocumentation
supplied with theproduct arepermitted.
infaultless technical condition.
When used together with commercially availablecompo
nents, such as sensorsandactuators, thespecified limits for
pressures, temperatures, electrical data, torques etc. must be
observed. National andlocal safety regulationsmust also be
observed.

Contents andgeneral instructions
VII
Festo P.BE−CPX−SYS−ENen 0503b
Areas of applicationand approval by authorities
Theproduct fulfilstherequirements ofEU directives and
bearstheCE mark.
Standards andtest values, which theproduct observes and
fulfils, can be foundin thesection Technical specifications".
Theproduct−relevantEU directivecan be foundin thecon
formity declaration.
Certain configurationsoftheCPX valveterminal fulfil the
requiremments of:
Recognized ComponentMarksfor Canada andtheUnited
States
Only for use in Class 2Circuits.
These configurationsbear theabovenamed mark.
Please note
Note thefollowingifyour application requires fulfilmentof
thespecificationsoftheRecognized ComponentMarks
for Canada andtheUnited States":
Rules for observingtheUL approval can be foundin the
UL−specificbrief operatinginstructions. Therelevant
technical specificationslisted therealso apply here.
Thetechnical specificationsin thisdocumentation may
show differentvalues.

Contents andgeneral instructions
VIII Festo P.B E−CPX−SYS−ENen 0503b
Target group
Thismanual isdirected exclusively at technicianstrained in
control andautomation technology.
Service
Please consultyour local Festo repair service ifyou haveany
technical problems.

Contents and general instructions
IX
Festo P.BE−CPX−SYS−EN en 0503b
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
XFesto P.BE−CPX−SYS−EN en 0503b
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
XI
Festo P.BE−CPX−SYS−EN en 0503b
Notes ontheuse of this manual
This manual contains general basic information on the
method of operation, on fitting, installing and commissioning
CPX terminals.
Special information on commissioning, parameterising and
diagnosing a CPX terminal with the field bus node you are
using can be found in the appropriate manual for the field
bus node.
Information on further CPX modules can be found in the man
ual for the relevant module. The following table provides an
overview.
Conventions
The parameters and data of the CPX terminal are described in
Appendix B.2. These appear in English on the handheld type
CPX−MMI−1.
[........] In this description, the data and parameters displayed on
the handheld in English are framed in the text in brackets,
e.g. [Debounce time]. In the text, a fuller description ap
pears next to it, e.g.:
Input debouncing time [Debounce time]

Contents and general instructions
XII Festo P.BE−CPX−SYS−EN en 0503b
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.0/1: Manuals on the CPX terminal

Contents and general instructions
XIII
Festo P.BE−CPX−SYS−EN en 0503b
Term/abbreviation Meaning
CP Compact Performance
CPX bus Data bus via which the CPX modules communicate with each other and
are supplied with the required operating voltage.
CPX modules Common term for the various modules which can be incorporated in a
CPXterminal.
CPX terminal Modular electric terminal type 50
DIL switch Dual−in−line switches consist of several switch elements with which
settings can be made.
Field bus node Provide the connection to specific field buses. Transmit control signals to
the connected modules and monitor their ability to function.
I Digital input
Input module CPX input module
I/O diagnostic interface The I/O diagnostic interface is a bus−independent diagnostic interface at
I/O level which permits access to internal data of the CPX terminal.
I/O modules Common term for the CPX modules which provide digital inputs and
outputs (CPX input modules and CPX output modules).
I/Os Digital inputs and outputs
Manifold base Lower part of the housing of a module or sub−base for linking the module
electrically with the terminal.
O Digital output
Output module CPX output module
PLC/IPC Programmable logic controller/industrial PC
Pneumatic interface The pneumatic interface is the interface between the modular electric
periphery and the pneumatics.
Status bits Internal inputs which supply coded common diagnostic messages.
Sub−base Replaceable upper part of module housing with connections
Tab.0/2: Product−specific terms and abbreviations

Contents and general instructions
XIV Festo P.BE−CPX−SYS−EN en 0503b

Summary of components
1−1Festo P.BE−CPX−SYS−EN en 0503b
Chapter 1

1. Summary of components
1−2 Festo P.BE−CPX−SYS−EN en 0503b
Contents
1. Summary of components 1−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1 Structure of the CPX terminal 1−4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1.1 Method of operation of the CPX terminal 1−9. . . . . . . . . . . . . . . . . . . . .
1.1.2 Structure of the electric CPX modules 1−18. . . . . . . . . . . . . . . . . . . . . . .
1.1.3 The power supply concept of the CPX terminal 1−20. . . . . . . . . . . . . . . .
1.2 Commissioning, diagnosis and operating functions 1−27. . . . . . . . . . . . . . . . . . .

1. Summary of components
1−3
Festo P.BE−CPX−SYS−EN en 0503b
Contents of this chapter This chapter provides an overview of the structure, compo
nents and method of operation of CPX terminals. The power
supply concept as well as special configuration and commis
sioning functions of CPX terminals are also briefly explained.
Further information Information on the pneumatic modules can be found in the
appropriate pneumatics manual. Information on the possible
connection methods of the I/O modules as well as informa
tion on the pneumatic interface can be found in the manual
for the CPX I/O modules.

1. Summary of components
1−4 Festo P.BE−CPX−SYS−EN en 0503b
1.1 Structureof theCPXterminal
CPX terminals consist of electric and pneumatic modules for
controlling pneumatic actuators and low−current consuming
electric devices (further valves, bulbs, etc.). They are usually
placed decentrally directly on the machine or system.
ÌÌ
ÌÌ
ÌÌ
ÌÌ
ÌÌÌ
ÌÌÌ
ÌÌÌ
ÌÌ
ÌÌ
ÌÌ
ÌÌ
ÌÌ
Ì
Ì
Ì
Ì
Ì
Ì
ÌÌ
ÌÌ
ÌÌ
ÌÌÌÌ
ÌÌÌÌ
ÌÌÌÌ
1
2
1Electric modules (electric side) 2Pneumatic modules (pneumatic side);
optional
Fig.1/1: Structure of a CPX terminal with CPA pneumatics (example)
CPX terminals with field bus connection permit communica
tion with remotely−situated higher−order control systems. CPX
terminals are constructed on a modular basis and can consist
e.g. of the following modules: