Festo CPX Electronic Manual
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Festo CPX Electronic Manual

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

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  • Page 1 CPX terminal Electronics manual System description Installing and commissioning CPX terminals Manual 526 446 en 0503b [684 293]...
  • Page 3 ....... . . 526 446 E (Festo AG & Co. KG, D 73726 Esslingen, Germany, 2005) Internet: http://www.festo.com E−Mail:...
  • Page 4 Contents and general instructions Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 5: Table Of Contents

    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...
  • Page 6 ......A−6 Parameters and data of the CPX terminal ......
  • Page 7 ............D−3 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 8: Designated Use

    Contents and general instructions Designated use CPX terminals are designed for fitting into a machine or an automated system. Depending on the CPX node used, they can be connected to a special field bus system and serve for interrogating sensor signals and for controlling pneumatic and electric actuators.

  • Page 9: Areas Of Application And Approval By Authorities

    Technical specifications". The product−relevant EU directive can be found in the con formity declaration. Certain configurations of the CPX valve terminal fulfil the requiremments of: Recognized Component Marks for Canada and the United States Only for use in Class 2 Circuits.

  • Page 10: Target Group

    Contents and general instructions Target group This manual is directed exclusively at technicians trained in control and automation technology. Service Please consult your local Festo repair service if you have any technical problems. VIII Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 11: Important User Instructions

    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. Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 12 Accessories: Information on necessary or sensible accessories for the Festo product. Environment: Information on environment−friendly use of Festo products. Text markings 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.

  • Page 13: Notes On The Use Of This Manual

    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.
  • Page 14 CPX I/O modules" Notes on connection and instructions on fitting, type P.BE−CPX−EA−... 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 Notes on connection and instructions on fitting, I/O modules"...
  • Page 15 Term/abbreviation Meaning 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.
  • Page 16 Contents and general instructions Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 17: Summary Of Components

    Summary of components Chapter 1 1−1 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 18 ..... . . 1−18 1.1.3 The power supply concept of the CPX terminal ....1−20 Commissioning, diagnosis and operating functions .
  • Page 19 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.

  • Page 20: Structure Of The Cpx Terminal

    Electric modules (electric side) Pneumatic 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.
  • Page 21 1. Summary of components Modules Brief description CPX field bus node for connecting to higher−order control systems via the field bus Connections depend on the design of the node CPX Front End Controller for controlling pneumatic and electric actuators; communication via Ethernet (Webserver, e−mail, Modbus...
  • Page 22 Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Tab. 1/2: Modules of a CPX terminal part 2 1−6 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 23 CPX terminals are fitted with different electric and pneumatic modules (valves) in accordance with the customer’s wishes. The equipment fitted on the CPX terminal in this manual may therefore differ from the equipment you are using. The electric and pneumatic side of the CPX terminal can be adapted to various requirements.
  • Page 24 Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì CPX terminal without pneumatics CPX terminal with CPA pneumatics CPX terminal with Midi/Maxi CPX terminal with MPA pneumatics pneumatics Fig. 1/2: Examples of CPX terminal structure 1−8 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 25: Method Of Operation Of The Cpx Terminal

    Fig. 1/3: Function overview of CPX terminal (here with CPA pneumatics) CPX field bus node The node point of a CPX terminal with field bus connection is the CPX field bus node which controls the following functions: the connection of the terminal to the relevant field bus...
  • Page 26 CPX Front End Controller (CPX−FEC) The CPX Front End Controller can be used together with a CPX field bus node or independently of a CPX field bus node. It offers e.g. the following functions: Independent control of the CPX valve terminal (Stand Alone) Communication via Ethernet (e.g.
  • Page 27 For example, the following types of connection can be used: M12 connection (protection class IP65) M8 connection (protection class IP65) Terminal connectors with 4 conductors (protection class IP20). Further information on the CPX I/O modules can be found in the manual CPX I/O modules". 1−11 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 28 CPX−CP interface type P. BE−CPX−CP−..Pneumatic interface If the CPX terminal is to be fitted with valves, a pneumatic interface will be required. The pneumatic interface is the in terface between the electric and pneumatic periphery. It forms the mechanical connection between the pneumatic and electric modules and transmits the electric signals.
  • Page 29 MPA pneumatic modules. Therefore, from the point of view of the CPX terminal, the MPA pneumatic interface does not count as an electric module. Instead, the individual MPA pneu matic modules each represent an electric module with digi tal outputs for triggering the integrated valves.
  • Page 30 These valve terminal pneumatics consist of Midi and Maxi valves. Valves of both sizes can be operated together on a CPX terminal. In this way adaptation to the re quirements of the machine or system can also be made on the pneumatic side.
  • Page 31 2 to 22 valve locations. Pneumatic interface for CPA (here CPA10) Valve terminal pneumatics of type CPA Ì Ì Ì End plates Ì Ì Ì Valve plates Ì Ì Ì (here CPA10) Fig. 1/5: CPX terminal with CPA pneumatics 1−15 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 32 MPA pneumatics merely produces the mechanical and electrical connection to the MPA pneumatic modules. Valves in various sizes are also available for CPX valve ter minals with MPA pneumatics. 4 to 32 valve locations per CPX valve terminal are possible: MPA1 pneumatic modules occupy 8 outputs for max.
  • Page 33 Maximum 10 electric modules including the field bus node are permitted on a CPX terminal. Field bus node I/O modules Right−hand end plate Left−hand end plate Fig. 1/7: CPX terminal as field bus I/O slave 1−17 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 34: Structure Of The Electric Cpx Modules

    (as desired) Fig. 1/8: Structure of the CPX modules (example) Sub−base The upper part of the housing selected for the CPX I/O mod ules is called the sub−base. Sub−bases provide the necessary connections for sensors and actuators. CPX I/O modules can be combined with the various sub−bases.
  • Page 35 With CPX field bus nodes the connections are fixed compo nents of the module. The CPX I/O modules have various types of connections. Manifold sub−base The lower part of the housing of the electric modules is called the manifold sub−base.

  • Page 36: The Power Supply Concept Of The Cpx Terminal

    Must be provided exactly once for each CPX valve terminal. Optional depends on the current consumpt. of the CPX modules and the connected components. Tab. 1/3: Manifold bases of the CPX valve terminal − part 1 1−20...
  • Page 37 Manifold base Description Type CPX−GE−EV Manifold base without supply Tab. 1/4: Manifold bases of the CPX valve terminal − part 2 Manifold sub−base with The operating and load voltages for the CPX terminal are system supply supplied via this manifold sub−base. The voltages are sup type CPX−GE−EV−S...
  • Page 38 Damage to components and functional damage! It is not permitted to supply voltage to MPA pneumatic modules with electronic modules without electrical isola tion via a manifold base for valve supply type CPX−GE−EV−V. If your MPA pneumatics are fitted with electronic mod ·...
  • Page 39 In conjunction with a manifold sub−base with valve supply type CPX−GE−EV−V or a 5−pin connector plug (7/8"), it is therefore possible to switch off the valve supply voltage at all poles. Further information on MPA electronic modules can be found in the manual for the CPX I/O modules.
  • Page 40 (24 V and 0 V end plate Operating voltage for electronics and sensors (24 V and 0 V el/sen el/sen Fig. 1/9: Basic representation of the power supply concept for manifold sub−bases with M18 plugs. 1−24 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 41 0 V el/sen el/sen Fig. 1/10: Basic representation of the power supply concept for manifold sub−bases with 5−pin 7/8" plugs. You can find the pin assignment for connections to the mani fold sub−bases in Tab. 3/4. 1−25 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 42 CPX interface. Further information on the voltage supply for the CPX terminal in conjunction with the CPX−CP interface can be found in the manual for the CPX−CP interface in the chapter Installation" section Voltage supply concept forming voltage zones".

  • Page 43: Commissioning, Diagnosis And Operating Functions

    CPX terminal provides extensive functions for commissioning, diagnosis and operation. Commissioning and operating functions The reaction of the CPX terminal can be adapted to individual requirements by parameterisation. By means of access to the internal parameters, e.g. the following reactions of the CPX...
  • Page 44 8 internal inputs (8 status bits). I/O diagnostic interface With field buses which do not possess extensive diagnostic functions, the diagnostic information of the CPX terminals is available via the so−called I/O diagnostic interface. The I/O diagnostic interface enables bus−independent access to diag nostic information, data and parameters via internal digital I/Os (16 inputs and 16 outputs).

  • Page 45: Fitting

    Fitting Chapter 2 2−1 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 46 ......... . 2−18 2.3.1 Fitting CPX terminals without pneumatics onto a hat rail ..2−18 2.3.2...
  • Page 47 If you wish to add or remove electric modules, you must fit or remove further manifold sub−bases. This chapter describes how to fit and remove manifold sub−bases as well as how to assemble and dismantle a complete CPX terminal. Further information Please refer to the following manuals if you wish to replace individual electronic modules or sub−bases, or replace and...

  • Page 48: General Instructions On Fitting And Dismantling

    Please note Handle all modules and components of the CPX terminal with great care. Please note especially the following: Screw connections must be fitted free of offset and mechanical tension. Screws must be fitted accurately (otherwise threads will be damaged).

  • Page 49: Fitting The Electric Modules

    By adding or removing modules you can adapt the CPX ter minal to your requirements. The mechanical link between the electric modules is made via tie rods in the sub−bases. The length of the tie rod is determined by the possible number of sub−bass or electric modules.
  • Page 50 The electric modules can be arranged in any sequence in the CPX terminal. Depending on the field bus protocol used, it may however be sensible to arrange modules of the same type one after the other. In these cases, the address assign ment and therefore communication between the field bus master and the individual CPX terminals can be optimised.
  • Page 51 2. Fitting The maximum number of pneumatic components supported is as follows: 26 valve coils of type Midi/Maxi 22 valve coils of type CPA 2−7 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 52: Replacing A Complete Module Or Manifold Sub−Base

    The tie rods are situated in a groove in the housing open at the rear. Tie rod groove Tie rods Fig. 2/1: CPX terminal (rear view) Proceed as follows in order to remove a complete module or a manifold sub−base: 1. Dismantle the CPX terminal 2.
  • Page 53 5. Now push the module to be replaced approx. 1.5 cm to the left. 6. Make sure that the tie rod lies over the tie rod groove of the module to be replaced by shifting the module accord ingly (see arrow A in Fig. 2/3). 2−9 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 54 Make sure that the electric plug connectors of the manifold sub−bases are not bent. 2. Align the CPX terminal on a flat surface so that the compo nents are not offset. In the case of CPX terminals without pneumatics or with...

  • Page 55: Increasing Or Reducing The Number Of Electric Modules

    The length of the tie rod is determined by the possible number of sub−bases or electric modules. In order to extend the CPX terminal with a further electric module, you will re quire a tie rod extension (see Tab. 2/1).
  • Page 56 Fitting the tie rod extension Please note Please observe the following instructions when fitting the tie rod extension in order to avoid damage to the CPX ter minal: Fit the tie rod extension so that it is flush with the tie rod ·...
  • Page 57 (see follow ing Fig.). Screwdriver Fastening plate and locking plate in the pneumatic interface or the right−hand end plate Fig. 2/5: Fastening plate and locking plate in the pneumatic interface 2−13 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 58 (e.g. first all input modules then all output modules). This can be an advantage for the address assignment of the CPX terminal, depending on the field bus used. 1. Fasten the tie rod in the pneumatic interface or the right−...
  • Page 59 Make sure that the electric plug connectors of the manifold sub−bases are not bent. 3. Align the CPX terminal on a flat surface so that the compo nents are not offset. In the case of CPX terminals without pneumatics or with...

  • Page 60: Fitting The Right−Hand End Plates With Midi/Maxi Valves

    Please note: Instructions on earthing the complete valve terminal can be found in the chapter Installation". The following diagram shows you how to fit the right−hand end plates with Midi/Maxi valves. 2−16 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 61 2. Fitting Seal Fastening screws max. 1 Nm Pre−fitted earth cable Contact for earth cable Fig. 2/8: Fitting the end plates with Midi/Maxi pneumatics 2−17 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 62: Fitting The Cpx Terminal

    2. Fitting Fitting the CPX terminal You can fit the CPX terminal in one of two ways: Type of fitting Description Fitting onto a hat rail The CPX terminal is suitable for fitting onto a hat rail (support rail as per EN 60715).

  • Page 63: Fitting Cpx Terminals With Cpa Or Mpa Pneumatics Onto A Hat Rail

    2. Fitting 2.3.2 Fitting CPX terminals with CPA or MPA pneumatics onto a hat rail For fitting the CPX terminal onto a hat rail you will require fitting kit type CPX−CPA−BG−NRH. This kit consists of 3 M4x10 screws and 3 clamping elements.
  • Page 64 2. Fitting Variants Fastening possibilities Holes for the hat rail clamping CPX terminal with MPA pneumatics units: 1 in the end plates 2 in the pneumatic interface Holes for the hat rail clamping CPX terminal with CPA pneumatics units: 1 in the end plates 2 in the pneumatic interface Ò...
  • Page 65 Ô Ô Ô Ô Ô Ó Ó Ó Ó Fig. 2/9: Fitting a CPX terminal (here with CPA pneumatics) onto a hat rail 6. Swing the CPX terminal onto the hat rail (see Fig. 2/9, arrow B). Make sure that the clamping element lies horizontally to the hat rail.
  • Page 66 7. Fasten the CPX terminal against tilting or sliding by tightening the locking screws with 1.3 Nm. Hat rail Clamping element of the hat rail clamping unit Fig. 2/10: Rear view: Fitting the CPX terminal onto a hat rail 2−22 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 67: Fitting Cpx Terminals With Midi/Maxi Pneumatics Onto A Hat Rail

    Whether Midi or Maxi clamping elements are to be used depends on the end plates fitted (Midi/Maxi). The CPX terminal has been prepared for fitting onto a wall. To compensate for the difference in height, two spacer rings have therefore been placed on both the right−hand end plate and on the pneumatic interface at the factory.
  • Page 68 Tighten the flat−head screws (see Fig. 2/12, item 3). · Make sure that the spacer rings have been removed. · After fitting Secure the levers with the aid of the locking screws · (see Fig. 2/12, item 6). 2−24 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 69 Fig. 2/12: Fitting the hat rail clamping unit Fit the hat rail as follows: 1. Make sure that the fastening surface can support the weight of the CPX terminal. 2. Fit a hat rail (support rail as per EN 60715 35x15; width 35 mm, height 15 mm).
  • Page 70 (Fig. 2/13, item 4). Hat rail Hat−rail clamping unit locked Hat−rail clamping unit unlocked Locking screw Fig. 2/13: Top view: Fitting the valve terminal onto a hat rail 2−26 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 71: Fitting Onto A Wall

    Caution When fitted onto a wall, the CPX terminal can bend and be damaged in the following cases: when fitted to an uneven, flexible surface when fitting CPX terminals with Midi/Maxi pneumatics without spacer rings onto a wall.
  • Page 72 (see MPA pneumatics manual). 5. Fasten the CPX terminal with two screws on both the left and right−hand end plates and with two screws on the pneumatic interface. The valve terminal can be fitted in any position.
  • Page 73 CPX terminal without pneumatics End plates: 2 screws each of size M4 or M6 1 Hole for M4 2 Hole for M6 CPX terminal with Midi/Maxi pneu matics Fastening with: two M6 screws on both the left and right−hand end plates.
  • Page 74 2. Fitting Variants Fastening possibilities MPA valve terminal with CPX terminal End plates: two screws each of size M4 or M6 Pneumatic interface: two M4 screws Fastening bracket on the supply unit (optional): one M6 screw 1 Hole for M4 screw...

  • Page 75: Installation

    Installation Chapter 3 3−1 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 76 ........3−4 3.1.2 Settings for configuring the CPX field bus node ....3−7 3.1.3...
  • Page 77 Calculating the current consumption Connecting the operating and load voltage supplies Further information Information on the power supply concept of the CPX terminal can be found in section 1.1.3. Important installation instructions on observing the UL re quirements when the product is operated in every region of the United States and Canada, can be found in the UL−specific...

  • Page 78: General Instructions On Installation

    Use a cable for the operating voltage with sufficient cross− sectional area. Avoid long distances between the power unit and the CPX terminal. Long operating voltage cables reduce the voltage supplied by the power unit. If necessary, ascertain the suitable cross−sectional area of the cable and the maximum permitted cable length in accordance with the general rule in section A.2.
  • Page 79 Pin assignment of the field bus interface see manual for the CP field bus node". Pin assignment of the sensor and actuator connections of input and output modules see manual CPX I/O mod ules". The operating voltage and load voltage connections are in the form of plugs.
  • Page 80 Power supply socket: · Insert the mains power socket into the operating volt age connection of the CPX terminal. Unscrew the housing of the socket. Then remove the connecting part of the socket which is inserted in the operating voltage connection.

  • Page 81: Settings For Configuring The Cpx Field Bus Node

    Settings on the CPX node CPX terminals can be coupled to various field buses. Coupl ing is made via the CPX node which is adapted to suit the relevant field bus. The following settings can be made de pending on the CP node used: The field bus configuration (e.g.

  • Page 82: Settings For Configuring The Pneumatics

    From a technical viewpoint, the pneumatic interfaces for type 03 and type 12 represent electric modules with digital outputs. Detailed information on the pneumatic interfaces can be found in the manual for the CPX I/O modules. Caution When the pneumatics have been converted or extended,...

  • Page 83: Selecting The Power Unit

    (protection against direct and indirect contact) is guar anteed in accordance with IEC/DIN EN 60204−1 (electrical equipment of machines, general requirements). The current consumption of a CPX terminal depends on the number and type of integrated modules and components. Recommendation: Used closed−loop power units.
  • Page 84 Current consumpt. of the operat. voltage supply for the electronics and sensors Current consumption of the field bus node approx. 200 mA Maximum current consumption of the CPX modules supplied via the system supply (internal electronics) + _____ A Current consumption of the sensors supplied via the system supply (see manufacturer’s specifications)
  • Page 85 Please note that with system supply with 4 pin plug via pin 0 V", the sum of both currents of the operating and load voltages flows. Additional supply for outputs type CPX−GE−EV−Z or CPX−GE−EV−Z−7/8−... (optional) Current consumption of load voltage supply for outputs Current consumption of all simultaneously activated...
  • Page 86 Depends on current consumption of valve type (see technical specifications for the valves) Tab. 3/3: Table for calculating the current consumption of the additional supply (Pin assignment, see Tab. 3/4) Information on the power supply concept of the CPX terminal can be found in section 1.1.3. 3−12 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 87: Connecting The Operating Voltage

    Tolerance ranges: Midi/Maxi pneumatics: ± 10 % CPA pneumatics or CPX−CP interface: + 10 /− 15 % MPA pneumatics: ± 25 % Check the 24 V load voltage of the outputs while your system is operating.
  • Page 88 CPA pneumatics or CPX−CP interface: + 10/− 15 %. with MPA pneumatics: ± 25 %. Additional supply type CPX−GE−EV−V is not permitted with MPA pneumatic modules with MPA electronic modules type VMPA...−FB−EMS−... (see the manual for the CPX I/O modules). 3−14...
  • Page 89 EL/SEN 5: 24 V / 24 V 5: 24 V 7/8"−5POL Operating voltage for electronics/sensors EL/SEN Load voltage for outputs Load voltage for valves Tab. 3/4: Pin assignment system supply, additional supply and valve supply 3−15 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 90 3. Installation Potential equalisation The CPX terminal has two earthing connections for potential equalisation: Pin 4 (M18 plug) or pin 3 (7/8" plug) of the power supply connection of the system supply (incoming) Pin 4 (M18 plug) or pin 3 (7/8" plug) of the load voltage connection of the additional supply (incoming) Earth connection on the left−hand end plate (see Fig.
  • Page 91 Earth connection pin 4 is designed for 16 A Connection for system supply type CPX−GE−EV−S Fig. 3/2: Example Connecting a common 24 V power supply and the potential equalisation (system supply with M18 plug) 3−17 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 92 Potential equalisation Manifold base with system supply type CPX−GE−EV−S Manifold base with additional supply for outputs of type CPX−GE−EV−Z Manifold base with additional supply for outputs of type CPX−GE−EV−V Fig. 3/3: Example Additional load supplies with a common 24 V power supply (all sup plies with M18 plugs) 3−18...
  • Page 93 Potential equalisation Manifold base with system supply type CPX−GE−EV−S−7/8−5POL Manifold base with additional supply for outputs type CPX−GE−EV−Z−7/8−5POL MPA pneumatic modules with electrical isolation (type VMPA...−FB−EMG−...) Fig. 3/4: Example − Electrical isolation of the power supply with separate power unit by a manifold sub−base with 5−pin 7/8"...

  • Page 94: Connecting The Field Bus

    3. Installation 3.1.6 Connecting the field bus Please note A description of the field bus connection of your node can be found in the manual for the appropriate CPX field bus node. 3−20 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 95: Commissioning

    Commissioning Chapter 4 4−1 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 96 ........4−4 Preparing the CPX terminal for commissioning ..... . .
  • Page 97 4. Commissioning Contents of this chapter This chapter contains general instructions on commissioning CPX terminals. The following information in particular belongs here: the parameterisation the address assignment the start−up reaction. Further information Instructions on commissioning the field bus node as well as the I/O modules can be found in the manual for the relevant module or field bus node.

  • Page 98: Commissioning

    Step 2 Checking the I/O assignment Step 3 Commissioning the CPX terminal on the field bus and checking the address assignment, if necessary, without connected actuators by means of LED (see manual for CPX field bus node) Fig. 4/1: Commissioning steps 4−4...

  • Page 99: Preparing The Cpx Terminal For Commissioning

    Preparing the CPX terminal for commissioning CPX terminals can be connected to various field buses. Con nection is made via the CPX node which is adapted to suit the relevant field bus. The reaction of the CPX terminal can be adapted to various requirements.
  • Page 100 1. Check the pneumatic tubing of the valve terminals with the aid of the manual override (see pneumatics manual). 2. Check the complete electric circuitry of the CPX terminal. 3. Check the DIL switch settings of your CPX terminals (see manual for the CPX field bus node). 4−6...

  • Page 101: Parameterisation

    The parameters are preset at the factory. These pre−settings can be used for a large number of applications. With the aid of parameterisation, the reaction of the CPX terminal or the reaction of the individual modules and I/O channels can be adapted to each particular application.
  • Page 102 System parameters Brief description Diagnostic monitoring with: The monitoring of short circuit and overload for the complete CPX terminal can be switched on or off with this parameter. Short circuit/overload Undervoltage in the outputs Undervoltage in the valve supply Signal status when there is a fault...
  • Page 103 Idle function is accessed. This function is only relevant with certain field bus protocols Idle state (see manual for CPX field bus node). Force mode Actual signals are replaced in the processing image by the force settings settings.

  • Page 104: Possibilities Of Parameterisation

    4. Commissioning 4.2.2 Possibilities of parameterisation The parameterisation of the CPX terminal can be undertaken as follows depending on the field bus protocol used: Ö Ö Ö Ö Ö Ö Ö Ö Ö Ö Ò Ò Ò Ò Ò Ò...

  • Page 105: Start−Up Behaviour Of The Cpx Terminal

    In this way you can be sure that when a CPX terminal has been re placed, the new terminal is operated with the same para meter settings.
  • Page 106 4. Commissioning 4−12 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 107: Diagnosis And Error Treatment

    Diagnosis and error treatment Chapter 5 5−1 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 108 The I/O diagnostic interface ....... 5−22 5−2 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 109 5. Diagnosis and error treatment Contents of this chapter This chapter provides an overview of the diagnostic possibi lities with the CPX terminal. These include diagnosis with: the LED on the electric and pneumatic modules the handheld the 8 status bits (common diagnostic messages)

  • Page 110: Diagnosis And Error Treatment

    5. Diagnosis and error treatment General instructions on diagnosis The CPX terminal offers extensive possibilities of diagnosis and error treatment. The following possibilities are available (see also Tab. 5/1): On−the−spot diagnosis with LED Diagnosis with the field bus On−the−spot diagnosis with handheld Fig.
  • Page 111 Special diagnostic functions or communication services are functions available, depending on the field bus used. For example com munication services on: the DPVI (PROFIBUS) the PCP channel (Interbus) SDO access (CANopen) Tab. 5/1: Diagnostic possibilities of the CPX terminal 5−5 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 112: Possible Error Numbers

    Detailed information on module−specific diagnosis can be found in the manual for the relevant module. Possible faults of the CPX terminals are divided into three error classes with different priority depending on the serious ness of the fault. If a fault occurs, the system error LED (SF LED) will flash depending on the error class.
  • Page 113 [Short circuit Short circuit at the valve Check valve and pneumatic valve] interface Reserved [Wire fracture Wire break at valve (open load) Check valve (open load)] Reserved [Module/channel Module/channel has failed Check module failure] 5−7 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 114 With CPX field bus node: The saved string assignment Modify the System Start para · of the CPX−CP interface is not meter to Default parametriz the same as the configur ing and current CPX equipment ation saved in the CPX field status"...
  • Page 115 With correct string assignment: · Incorrect module recognized String assignment must be during operation (different saved or (see manual for type, see manual for CPX−CP CPX−CP interface) interface) Check string assignment, if · necessary replace CP module [Short circuit...
  • Page 116 Bus and 0 V Bus 48...63 Reserved [Number of The number of modules in the Correct module equipment status Modules incorrect] current CPX equipment status or save new one does not equal the saved equipment status 65...69 Reserved [CC−L Station...
  • Page 117 [CBUS init fault (gap)] Fault in the CBUS Check module array configuration [Order queue full] System error has occurred Replace module if new message after power off/on [CBUS−EEPROM error] Hardware defective Replace module 5−11 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 118 Address incorrect Check the DIL switch setting. [Protokoll Asic not ready] Initialisation of the Asics Replace module if new protocol defective message after power off/on 203... Reserved [unknown fault] Tab. 5/5: Possible faults (fault class 1) 5−12 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 119: On−The−Spot Diagnosis With Leds

    LEDs is identical on the different types of modules (standardised). Field bus node LEDs Field bus nodes have field bus specific LEDs and CPX−specific LEDs. The CPX−specific LEDs are to be found on each CPX field bus node: Field bus specific LEDs (see manual for field bus node) CPX−specific LEDs...

  • Page 120: Cpx−Specific Leds

    PL (power load) power load supply (outputs/valves) LED (green) Sequence Status Meaning/fault treatment No fault Load voltage None applied LED lights up Load voltage at system Eliminate undervoltage supply or additional supply outside the tolerance LED flashes range 5−14 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 121 LED flashes The system fault LED flashes depending on the fault class. Fault class 1 (simple fault): 1 flash, interval Fault class 2 (fault): 2 flashes, interval Fault class 3 (serious fault): 3 flashes, interval 5−15 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 122 1) With CPX−FEC in the operating modes Stand Alone and Remote Controller (control function active) without meaning. 2) The display of the Force function (LED flashes) has precedence over the display of the setting for System start (LED lights up).
  • Page 123 The LEDs indicate the following: Status LED Sequence Status (green or yellow) Channel logical 1 (signal present) LED lights up Channel logical 0 (no signal) LED is out Lights up green for inputs and yellow for outputs 5−17 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 124 LED flashes Module common error e.g. (see manual for the module) Eliminate short circuit/undervoltage LED lights up Channel error LED Explanations on this can be found in the manual for the relevant CPX module 5−18 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 125: Diagnosis Via Status Bits Or The I/O Diagnostic Interface

    5. Diagnosis and error treatment Diagnosis via status bits or the I/O diagnostic interface The CPX terminal offers the following two modes for diag nosis, irrespective of the field bus node used: Mode Description Status bits The status bits serve for displaying com...

  • Page 126: Structure Of The Status Bits

    5. Diagnosis and error treatment 5.2.1 Structure of the status bits Irrespective of the field bus node used, The CPX terminal pro vides 8 status bits for displaying common diagnostic mess ages (global error messages). Status bits are configured like inputs. The input addresses, which are to be assigned to status bits, depend on the field bus protocol used (see manual for the CPX field bus node).
  • Page 127 Tab. 5/10: Example 3 undervoltage in the sensor supply If different faults occur simultaneously on different types of modules, faults cannot be distinguished. Use the I/O diag nostic interface in order to distinguish faults clearly. 5−21 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 128: The I/O Diagnostic Interface

    5.2.2 The I/O diagnostic interface Organisation of internal data and parameters Internal data and parameters of the CPX modules and of the CPX terminal are stored in a common memory range. With the I/O diagnostic interface, read access can be made with the aid of the function number to individual bytes of this memory range.
  • Page 129 Bit number Outputs Fig. 5/4: Output bits of the I/O diagnostic interface Input bits The reply data are output by the CPX terminal via the input bits I0...I7 when quitting bit I15 supplies a 1−signal. Reserved Diagnostic data Quitting bit...
  • Page 130 Set the function number Set control bit (O15) Quitting bit = 1? Accept data Reset control bit O15 Quitting bit = 0? End of the read process Fig. 5/6: Reading out the diagnostic data flow diagram 5−24 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 131 B.2.6.). If, for example, there were a fault on module 5 (5 dec. = 101 Bin), the following input data would be available: Diagnostic data Reserved Quitting bit Bit number of the inputs Signal status of the inputs Fig. 5/8: Reply data (example) 5−25 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 132 Bit number of the inputs Signal status of the inputs Fig. 5/10: Reply data with fault number 4 (4 dec. = 100 Bin) Detailed information on the module diagnostic data can be found in section B.2.7. 5−26 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 133 Technical appendix Appendix A A−1 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 134: A. Technical Appendix

    Cable length and cross−sectional area ......A−6 A−2 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 135: A.1 Technical Specifications

    1 The component is intended for industrial use. For MPA valve terminals, the vibration and shock resistance depends on the number of installed sub−bases (see pneumatic description). Explanations on the severity classes see following table. A−3 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 136 5 g acceleration at 60...150 Hz 5 shocks per direction Operating voltage for the bus interface Rated value See manual for the CPX field bus node Tolerance Caution The maximum permitted current per pin on the supply is: 16 A. Note that with system supply via pin 3 (0 V), the sum of both currents from pin 1 and pin 2 flows via pin 2.
  • Page 137 The module with the lowest tolerance is always decisive for the permitted voltage tolerances (see manual for relevant module or for relevant pneumatics). Special technical specifications on the pneumatics used, on CPX modules, sub−bases and the field bus node can be found in the relevant manuals. A−5...

  • Page 138: A.2 Cable Length And Cross−Sectional Area

    Ascertain the most suitable cross−sectional area and the · maximum cable length for the operating voltage cable in accordance with the following formula. Please note The following formula assumes that the cross−sectional areas of the operating voltage supply are the same. A−6 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 139 · the operating temperature of the devices. · 3. Enter the values in the relevant formula. The equivalent circuit diagram as well as the example explain the correla tions. A−7 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 140 Terminal Pin *) Pin *) OUT/VAL Pin *) *) Pin assignment, see Tab. 3/4 Line resistor (outgoing) R Line resistor (returning) R L = distance (cable length) Fig. A/1: Equivalent circuit diagram for power supply A−8 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 141 = 5 A = 24 V Bmin CPA pneumatics: V = 20.4 V OUT/VALmin κ = 56 Result: L ≤ 27.49 m for A = 1.5 mm L ≤ 45.81 m for A = 2.5 mm A−9 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 142 A. Technical appendix A−10 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 143 Parameters and data of the CPX terminal Appendix B B−1 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 144: B. Parameters And Data Of The Cpx Terminal

    B. Parameters and data of the CPX terminal Contents Parameters and data of the CPX terminal ......
  • Page 145 B. Parameters and data of the CPX terminal Contents of this appendix This appendix describes the composition of all parameters and data of theCPX terminal. By means of the specified func tion number you can: have read access to the parameters and data via the I/O...

  • Page 146: B.1 Access To Internal Parameters And Data

    B. Parameters and data of the CPX terminal Access to internal parameters and data The CPX terminal permits access to internally saved data and parameters. The ways in which you can access these data and parameters depend on the field bus protocol used. For example access can be made via: the plug−in module or scanner/bus master;...

  • Page 147: B.2 Description Of The Parameters And Data

    B. Parameters and data of the CPX terminal Description of the parameters and data A distinction is made between the following parameters and data: Parameters Description System parameters Determine global system functions for the complete CPX terminal, e.g.: diagnostic monitoring system start etc.

  • Page 148: B.2.1 Overview Of The Function Numbers

    B. Parameters and data of the CPX terminal B.2.1 Overview of the function numbers Function no. CPX data and CPX parameters CPX operating mode (system data) Tab. B/47 CPX equipment fitted (system data) Tab. B/48 Handheld (system data) Tab. B/49 Force mode (system data) Tab.
  • Page 149 B. Parameters and data of the CPX terminal Function no. CPX data and CPX parameters 3482 Number of entries in the diagnostic memory Tab. B/33 (diagnostic memory data) 3483 Overrun (diagnostic memory data) Tab. B/34 3483 Status (diagnostic memory data) Tab.
  • Page 150 Function no. Field−bus specific system data Number of input bytes (Rx size) Tab. B/55 Number of output bytes (Tx size) Tab. B/56 Only relevant with certain field bus protocols (see manual for CPX field bus node) B−8 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 151: B.2.2 System Parameters

    4402 System Idle mode (reaction when changing into the Idle status) 4402 System start Only relevant with certain field bus protocols (see manual for CPX field bus node) Tab. B/3: Overview System parameters [..] In this description, the data and parameters displayed on the handheld in English are framed in the text in brackets, e.g.
  • Page 152 Function no. 4401 Description The monitoring of short circuit/overload and undervoltage for the complete CPX terminal can be activated or deactivated (suppressed). Active monitoring causes the following: A fault registered by the module will be: sent to the higher−order field bus master...
  • Page 153 B. Parameters and data of the CPX terminal System parameters: Fail safe (reaction to communication faults) Function no. 4402 Description Determines the signal status which the outputs/valves are to assume in the event of field bus communication faults, e.g. in the event of: communication failure (bus interruption, PLC/IPC failure) communication stop.
  • Page 154 Function no. 4402 Description Determines for the complete CPX terminal whether the Force function is blocked or enabled. By changing these parameters, in the following cases the channel−orientated Force settings (module parameters Force mode and Force state) are reset auto matically for safety reasons in order to avoid undesired signal states.
  • Page 155 Function no. 4402 Description Defines the signal status which outputs/valves are to assume when the CPX terminal changes into the Idle status. In the following case, the channel−orientated Idle mode settings (module para meters Idle mode and Idle state) are reset automatically for safety reasons in order to avoid undesired signal states: When changing from Accept Idle mode"...
  • Page 156 CPX equipment status" is active, the factory settings for all module and system parameters will become valid after Power On. This parameter does not exist with the CPX−FEC in the operating modes Stand Alone and Remote Controller (control function active).

  • Page 157: B.2.3 Module Parameters

    B. Parameters and data of the CPX terminal B.2.3 Module parameters Module parameters refer to module−specific or channel−spe cific functions. 64 bytes are available for parameters in each module. Detailed information on the module parameters, which are supported by the module used, can be found in the manual for the relevant module.
  • Page 158 [Active] 0 = Inactive [Inactive] Note Monitoring can also be set for the complete CPX terminal (see system parameter Monitoring"). Tab. B/11: Monitoring the CPX module For parametrizing the Monitoring CP modules" on the CPX−CP interface see the manual for the CPX−CP interface typeP.
  • Page 159 Ascertain the setting which is necessary for reliable operation of your machine or system. Further information can be found in the manual for the CPX I/O modules. Tab. B/12: Reaction after short circuit/overload B−17...
  • Page 160 B. Parameters and data of the CPX terminal Module parameters: Input debouncing time Modules For modules with digital inputs (see manual for the module) Function no. 4828 + m * 64 + 1 m = module number (0...47) Description Determines when a change of edge of the sensor signal on this module is to be accepted as a logical input signal.
  • Page 161 B. Parameters and data of the CPX terminal Module parameters: Signal extension time Modules For modules with digital inputs (see manual for the module) Function no. 4828 + m * 64 + 1 m = module number (0...47) Description Determines the signal extension time for the relevant module. Signal states ac cepted as logical input signals usually remain valid at least until the specified signal extension time (minimum signal duration) has expired.
  • Page 162 B. Parameters and data of the CPX terminal Module parameters: Data format for analogue value outputs Modules For modules with analogue outputs (see manual for the module) Function no. 4828 + m * 64 + 3 m = module number (0...47)
  • Page 163 B. Parameters and data of the CPX terminal Module parameters: Monitoring wire fracture channel x (only for CPA pneumatics) Modules For CPA pneumatic interface (see description for pneumatic interface) Function no. Channel 0...7 4828 + m * 64 + 6 m = module number (0...47)
  • Page 164 B. Parameters and data of the CPX terminal Module parameters: Idle mode channel x Modules For modules with digital and analogue outputs (see manual for the module) Function no. Access to these module parameters is made via protocol−specific functions (see the manual for the field bus node).

  • Page 165: B.2.4 Diagnostic Memory Parameters

    B. Parameters and data of the CPX terminal B.2.4 Diagnostic memory parameters The working method of the diagnostic memory can be adapted to individual requirements by means of the diagnos tic parameters. The diagnostic memory parameters retain their last setting after power off/on.
  • Page 166 B. Parameters and data of the CPX terminal Diagnostic memory parameters: Entries remanent with Power on Function no. 3480 Description Determines whether the contents of the diagnostic memory are to be retained after new power on or whether they are to be deleted.
  • Page 167 B. Parameters and data of the CPX terminal Diagnostic memory parameters: Run/Stop filter 2 Function no. 3484 Description Diagnostic memory filter with which you can determine when the registering of faults is to be started or stopped. Bits 0...2 Values...
  • Page 168 B. Parameters and data of the CPX terminal Diagnostic memory parameters: Fault end filter Function no. 3484 Description Diagnostic memory filter with which you can determine whether running faults are to be registered or not. Bit 3 Values Fault end filter...
  • Page 169 B. Parameters and data of the CPX terminal Diagnostic memory parameters: Module/channel filter Function no. 3484 Description With this diagnostic memory filter, the registering of faults of other modules or channels can be suppressed in order that faults in a particular module or channel can be analysed.
  • Page 170 B. Parameters and data of the CPX terminal Diagnostic memory parameters: Channel number (CN) Function no. 3486 Description Channel number for the diagnostic memory filter 0...7 (1 byte) Values Channel number (CN) [Channel number CN] 0...63 Channel number (0 = presetting) Note Is only effective if an appropriate diagnostic memory filter is active.

  • Page 171: B.2.5 Diagnostic Memory Data

    B. Parameters and data of the CPX terminal B.2.5 Diagnostic memory data The following diagnostic memory data is available: Function no. Diagnostic memory data 3482 Number of entries in the diagnostic memory 3483 Overflow 3483 Status 3488 + n Diagnostic memory data (10 bytes per diagnostic entry, max. 40 entries) Tab.
  • Page 172 B. Parameters and data of the CPX terminal Diagnostic memory data: Overflow Function no. 3483 Description Specifies whether the diagnostic memory has overflowed. Values Overflow Bit 0 Description No overflow [no overflow] Overflow [overflow] Note The overflow is displayed when the first 40 faults are registered as well as when the last 40 faults are registered.
  • Page 173 B. Parameters and data of the CPX terminal Diagnostic memory data (10 bytes per entry, max. 40 entries) Function no. Byte Description Value 3488 + n Title Days [day] Number of days 0...255 n = 10 * d + 0...

  • Page 174: B.2.6 System−Diagnostic Data

    Bit 6: wire fracture [Wire fracture] Bit 7: other faults [Other error] Values 1 = there is a fault; 0 = no fault Function modules are also known as technology modules (e.g. CPX−CP interface). Tab. B/38: Status bits B−32 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 175 B. Parameters and data of the CPX terminal System diagnostic data: Module number and diagnostic status Function no. 1937 Description Function no. 1937 specifies whether there are diagnostic data and contains, where applicable, the number of the first module on which a fault has occurred.

  • Page 176: B.2.7 Module Diagnostic Data

    2008 + m * 4 + 3 Information 3 (reserved) m = module number (0...47) Tab. B/41: Overview Module diagnostic data Module diagnostic data for CP modules on the CPX−CP interface see the manual for the CPX−CP interface type P.BE−CPX−CP−..B−34...
  • Page 177 B. Parameters and data of the CPX terminal Module diagnostic data: Number of the first faulty channel Function no. 2008 + m * 4 + 0 m = module number (0...47) Description Specifies the number of the faulty channel (bits 0...5) Bit 7 5 ...
  • Page 178 B. Parameters and data of the CPX terminal Module diagnostic data: Information 3 (reserved) Function no. 2008 + m * 4 + 3 m = module number (0...47) Description Reserved Tab. B/45: Information 3 (reserved) B−36 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 179: B.2.8 System Data

    B. Parameters and data of the CPX terminal B.2.8 System data System data give information on global system settings and system states. They will be lost after Power Off (non−reman ent). The following system data is available: Function no. System data...
  • Page 180 Remote Controller without field bus node [Remote controller] Remote Controller with field bus node [Remote control with FB] Note The CPX operating mode is ascertained and entered during the start−up phase. Tab. B/47: CPX operating mode System data: CPX equipment status Function no. Description Specifies whether the current equipment fitted to the CPX corresponds to the saved CPX equipment status.
  • Page 181 B. Parameters and data of the CPX terminal System data: Handheld Function no. Description Specifies whether a handheld is connected or not. Bit 5 Values Handheld [Handheld] Bit 5 Description Handheld not connected Handheld connected [connection OK] Note Information for the higher−order controller If necessary for test purposes, a parameterisation carried out by handheld is to be cancelled by reloading the parameters, or forcing by higher−order PLC/IPC is...
  • Page 182 B. Parameters and data of the CPX terminal System data: System start Function no. Description Specifies how the system start of the CPX terminal is to be carried out. Bit 7 Values System start [System start] Bit 7 Description System start with default parameterisation (factory...
  • Page 183 B. Parameters and data of the CPX terminal System data: Idle mode Function no. Description Specifies whether Idle mode is active or inactive. Bits 2, 3 Values Idle mode [Idle mode] Bit 3 2 Description Reset all outputs [Reset outputs]...
  • Page 184 Description Specifies the number of input bytes of the CPX terminal. Note Only relevant with certain field bus protocols (see manual for CPX field bus node) Tab. B/55: Number of input bytes System data: Number of output bytes (Tx size) Function no.

  • Page 185: B.2.9 Module Data

    B. Parameters and data of the CPX terminal B.2.9 Module data The following module data is available for identifying modules: Function no. Module data 16 +16m + 0 Module code 16 +16m + 13 Revision code 784 + m * 4 + 0...
  • Page 186 B. Parameters and data of the CPX terminal Module Module type Handheld display code Input module CPX−4DE [4DI input module] Input module CPX−8DE [8DI input module] Output module CPX−4DA [4DO output module] Multi I/O module CPX−8DE−8DA [8DI/8DO multi I/O module] Pneumatic interface CPX−GP−CPA−...
  • Page 187 B. Parameters and data of the CPX terminal Module data: Revision code Function no. 16 + 16m + 13 m = module number (0...47) Description Specifies the output status of the module. 0...7 Values Revision code [Revision] 0...255 Note See type plate Tab.
  • Page 188 B. Parameters and data of the CPX terminal Module data: Series number Function no. 784 + m * 4 + 0 (byte 0) 784 + m * 4 + 1 (byte 1) 784 + m * 4 + 2 (byte 2)
  • Page 189 General information on parametrizing Appendix C C−1 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 190: C. General Information On Parametrizing

    ..........C−24 C−2 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 191 Further information Information on the structure of all the parameters and data of the CPX terminal can be found in appendix A. Information on the parameters and data which are supported by the field bus used, can be found in the manual for the field bus node used.

  • Page 192: General Information On Parametrizing

    With the CPX terminals, undesired sig nal edges can be suppressed simply by parameterisation. CPX parameterisation With the CPX terminals, the input debouncing time can be set with an appropriate module parameter. The possible input debouncing times therefore depend on the particular type of module.
  • Page 193 Sensor signal is unstable (shorter than debouncing time) Sensor signal is sufficiently stable (= debouncing time) Start and end (sequence) of the Sensor signal debouncing time Logical CPX signal Debouncing time has expired Fig. C/1: Input debouncing C−5 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 194: Signal Extension

    recognized" due to long cycle times of the higher−order con troller. With CPX terminals, a signal extension time can be defined by parameterisation of the appropriate input signal. Short sig nals will then also be recognised reliably by the higher−order controller.
  • Page 195 (see Fig. C/2). Fixed debouncing times remain effective. Case 1: Change of edge within the signal extension time The logical CPX signal is supplied when the signal extension time and, if applicable, the debouncing time has expired. Sensor signal Logical CPX signal...
  • Page 196 Case 2: Change of edge after expiry of the signal extension time The logical CPX signal follows the input signal and is supplied after it. If a debouncing time has been defined, the logical CPX signal is supplied when the debouncing time has ex pired.

  • Page 197: Influence Of Signal States

    C. General information on parametrizing Influence of signal states You can influence the signal states of the CPX terminal through the following functions: Function Priority Brief description Signals able to be influenced Forces Influences signal states independently of actual signal I/O signals states (see also section C.3.1).
  • Page 198 Reset outputs System parameters Fail safe Field bus communication fault Force disable Module parameters Force channel X enable disable System parameters Force mode Output Status LED of the respective output Fig. C/4: Influencing output signals C−10 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 199 LED. The logical status of the input only changes internally and may be effective programme technically. Obtain further information on Idle mode, Fail safe and Forcing from the following sections. C−11 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 200: C.3.1 Force

    The Force" function is used mainly in the commissioning phase in order to set certain signals to the desired status for test purposes even if the wiring is not complete. CPX parameterisation With CPX terminals, Force parameterisation can be used for: digital inputs digital outputs valves...
  • Page 201 CPX terminal or blocked. System parameters Settings Description Force mode Blocked Force is blocked for the complete CPX terminal (presetting) Enabled Force is enabled for the complete CPX terminal Tab. C/2: System parameter Force mode The signal status can be determined channel−orientated (output/valve/input) for each module (see following table).
  • Page 202 0 = Force blocked 1 = Force state Force state 0 = Reset signal 1 = Set output Signal status previously Signal status afterwards Module parameter (channel−orientated) Fig. C/6: Force parameterisation Example for binary signals C−14 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 203 1 = Force state Force state 100 505 100 321 202 110 100 505 333 432 202 505 11 Analogue signal previously Analogue signal afterwards Module parameter (channel−orientated) Fig. C/7: Force parameterisation Example for analogue signals C−15 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 204: C.3.2 Signal Status In The Event Of A Fault (Fail Safe)

    Use the Fail safe parameterisation very carefully, in order to avoid damage. CPX parameterisation With CPX terminals, Fail safe parameterisation can be used for: digital outputs analogue outputs valves.
  • Page 205 Module parameters Fault mode" and Fault state" Method of operation The Fault mode" parameter is used to determine whether the current signal status is to be retained or whether the sig nal status defined by Fault state" is to be accepted. C−17 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 206 222 500 500 500 333 321 100 200 100 500 444 500 333 321 Signal status before the fault Signal status after the fault Module parameter (channel−orientated) Fig. C/9: Fail safe parameterisation Example for analogue signals C−18 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 207: C.3.3 Signal Status In Idle Status (Idle Mode)

    Use the Idle mode parameterisation very carefully, in order to avoid damage. CPX parameterisation With CPX terminals, Idle mode parameterisation can be used for: digital outputs analogue outputs valves.
  • Page 208 Analogue signal Analogue value Value of the analogue signal Tab. C/7: Module parameters Idle mode" and Idle state" Method of operation Is functionally identical with the Fail safe parameterisation (see also Fig. C/8 and Fig. C/9). C−20 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 209: C.4 Diagnostic Memory

    With these filters the registering of certain system states can be suppressed, and both starting and stopping can be con trolled. The method of operation of the diagnostic memory filters is shown in Fig. C/10. C−21 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 210 6 = Register as from the defined FN + MN + CN MN = module number, CN = channel number, FN = fault number Fig. C/10: The method of operation of the diagnostic memory filters C−22 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 211 C. General information on parametrizing Method of operation With the CPX terminals the start and end of a fault can be protocolled in the internal diagnostic memory. The diagnostic memory contains up to 40 entries. In addition to information on localising the fault, the relevant time point is saved, measured from the moment the power supply is switched on.

  • Page 212: C.5 Monitoring Faults

    (e.g. short circuit, wire fracture, undervoltage, etc.). The different monitoring functions can be activated or deactivated globally by system parameters for the complete CPX terminal and by module parameters for a single CPX module or an individual channel. Activation of a monitoring function causes the following: C−24...
  • Page 213 Monitoring Reaction to activation Module parameters A fault on the module will be: Monitoring passed on to the CPX field bus node displayed by the module common error LED System parameters A fault registered by the module will be: Monitoring sent to the higher−order field bus master...
  • Page 214 (0 = inactive; 1 = active). Tab. C/10: Module parameter monitoring The meaning of the module parameter depends on the mod ule used. Detailed information can be found in the manual for the relevant module. C−26 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 215 Index Appendix D D−1 Festo P.BE−CPX−SYS−EN en 0503b...

  • Page 216: D. Index

    ............D−3 D−2 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 217 ..4−5 CPX field bus node .......
  • Page 218 ....B−22 , C−19 Important user instructions ......D−4 Festo P.BE−CPX−SYS−EN en 0503b...
  • Page 219 ........C−25 Monitoring the CPX module .....
  • Page 220 ........VIII Settings on the CPX node ......
  • Page 221 ........B−41 Monitoring the CPX terminal ....

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