Page 1 CPX terminal Description Electronics System manual Installing and commissioning CPX terminals Description 526 446 en 0902e [742939]...
Page 3 ....... . . 526 446 E (Festo AG & Co. KG, D 73726 Esslingen, Germany, 2009) Internet: http://www.festo.com E−mail:...
Page 4 ® ® ® ® ® HARAX , INTEL , Interbus , Modbus , MOTOROLA ® ® ® ® PROFIBUS , Push−Pull , TÜV and VDE are registered trademarks of the respective trademark owners in certain countries. Festo P.BE−CPX−SYS−EN en 0902e...
Page 5: Table Of Contents
Fitting CPX terminals with pneumatics onto an H−rail ... 2−22 2.4.3 Fitting CPX terminals with Midi/Maxi pneumatics onto an H−rail 2−26 2.4.4 Wall mounting ......... .
Page 6: Table Of Contents
......A−7 Parameters and data of the CPX terminal ......
Page 7: Table Of Contents
............D−1 Festo P.BE−CPX−SYS−EN en 0902e...
Page 8 Contents and general safety instructions Festo P.BE−CPX−SYS−EN en 0902e...
Page 9: Intended Use
The individual CPX modules of the CPX terminal are docu mented in specific manuals. The safety instructions listed in the manuals must always be observed and the relevant CPX module must only be used as intended.
Page 10 Rules for observing the UL certification can be found in the separate UL−specific documentation. The relevant technical specifications listed there also apply here. The technical specifications in this documentation may show different values. VIII Festo P.BE−CPX−SYS−EN en 0902e...
Page 11 Contents and general safety 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. Festo P.BE−CPX−SYS−EN en 0902e...
Page 12 ... means that failure to observe this instruction may result in material damage. The following pictogram marks passages in the text which describe activities with electrostatically sensitive devices: Electrostatically sensitive devices: inappropriate handling can result in damage to components. Festo P.BE−CPX−SYS−EN en 0902e...
Page 13 Information on the environmentally friendly use of Festo products. Text designations Bullet points indicate activities that may be carried out in · any order. 1. Numerals denote activities which must be carried out in the numerical order specified. Arrowheads indicate general lists. Festo P.BE−CPX−SYS−EN en 0902e...
Page 14 Special information on commissioning, parameterising and diagnosing a CPX terminal with the CPX bus node you are using can be found in the appropriate manual for the CPX bus node. Information about further CPX modules can be found in the manual for the relevant module.
Page 15 CPX I/O modules" Notes on connections and instructions on fit Type P.BE−CPX−EA−... ting, installing and commissioning input and output modules of type CPX−..and the MPA, CPA and Midi/Maxi pneumatic interfaces CPX analogue I/O mo Notes about connection types and instructions dules"...
Page 16 Type P.BE−CPA−... pneumatics (type 12) Valve terminals with Instructions for fitting, installing, commissio Midi/Maxi pneumatics" ning, maintaining and converting the Midi/ Type P.BE−Midi/ Maxi pneumatics (type 03) Maxi−03−... Table 0/2: Descriptions for the CPX terminal part 2 Festo P.BE−CPX−SYS−EN en 0902e...
Page 17 CPX terminal Modular, electric terminal type 50 CPX modules Collective term for the various modules which can be integrated in a CPX terminal. DIL switch Dual−in−line switches consist of several logic elements with which settings can be made.
Page 18 Contents and general safety instructions Term/abbreviation Meaning Status bits Internal inputs that supply coded common diagnostic messages Technology modules Function modules are also known as technology modules (e.g. CPX−CP interface) Table 0/3: Product−specific terms and abbreviations Festo P.BE−CPX−SYS−EN en 0902e...
Page 19: Overview Of Components
Overview of components Chapter 1 1−1 Festo P.BE−CPX−SYS−EN en 0902e...
Page 20 ..... . . 1−17 1.1.3 The power supply concept of the CPX terminal ....1−19 Commissioning, diagnosis and operational functions .
Page 21: Structure Of The Cpx Terminal
The equipment fitted on the CPX terminal in this man ual may therefore differ from the equipment you are using. Electric modules (electric side) Pneumatic modules (pneumatic side); optional Fig. 1/1: Structure of a CPX terminal with CPA pneumatics (example in plastic version) 1−3 Festo P.BE−CPX−SYS−EN en 0902e...
Page 22 1. Overview of components Fieldbus connection CPX terminals with fieldbus connection permit communica tion with remotely−situated higher−order control systems. CPX terminals are constructed on a modular basis and can consist of the following modules, for example: Modules Brief description CPX bus node for connecting to higher−order control systems via the...
Page 23 50 (CPX) to valve terminals of type 03 (Midi/Maxi). Pneumatic interface for connecting the modular electrical peripherals of type 50 (CPX) to valve terminals of type 12 (CPA) Tab. 1/2: Pneumatic interface modules for CPX terminals 1−5 Festo P.BE−CPX−SYS−EN en 0902e...
Page 24 Ì Tab. 1/3: Valve terminal pneumatics for CPX terminals The electric and pneumatic side of the CPX terminal can be adapted to various requirements. The electric side can be fitted with various electric CPX modules, e.g. a CPX bus node, digital and analogue CPX I/O modules etc.
Page 25: Mode Of Operation Of The Cpx Terminal
(see Tab. 1/2). 1.1.1 Mode of operation of the CPX terminal Fieldbus incoming Fieldbus continuing Compressed air supply Supply air (2/4) CPX bus node Fig. 1/2: Function overview of CPX terminal (here with MPA pneumatics) 1−7 Festo P.BE−CPX−SYS−EN en 0902e...
Page 26 CPX modules and monitor their ability to function. Basic settings for fieldbus communi cation can usually be made by DIL switch directly on the CPX bus node. Detailed information on the CPX bus node you are using can be found in the manual for the relevant CPX bus node.
Page 27 M12 connection, 5− or 8−pin M8 connection, 3− or 4−pin Terminal strips, 16−pin Sub−D connection, 25−pin HARAX connection, 4−pin Further information on the CPX I/O modules can be found in the manual CPX I/O modules", type P. BE−CPX−EA−... 1−9 Festo P.BE−CPX−SYS−EN en 0902e...
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 (see Tab. 1/2). The pneumatic inter face is the interface between the electric and pneumatic pe ripherals.
Page 29 MPA pneumatics mechanical and electrical connection to the MPA pneumatic modules. Therefore, from the point of view of the CPX termi nal, the MPA pneumatic interface does not count as an elec tric module. Instead, the individual MPA pneumatic modules each represent an electric module with digital outputs for triggering the integrated valves.
Page 30 This design provides digital and analogue inputs and outputs on the relevant fieldbus. A maximum of 10 electric modules (including the CPX bus node) are permitted on a CPX terminal. CPX bus node I/O modules...
Page 31 1) Two solenoid coils can be controlled per valve position. 2) A max. of 64 solenoid coils can be supplied. 3) A max. of 128 solenoid coils can be supplied. Tab. 1/4: Number of valve positions of the CPX terminal with MPA pneumatics Pneumatic interface for MPA...
Page 32 Pneumatic interfaces for VTSA pneumatics Valve terminal pneumatics of type VTSA Right end plate Valves of size 18 mm Supply plate Valves of size 26 mm Fig. 1/5: CPX terminal with VTSA pneumatics 1−14 Festo P.BE−CPX−SYS−EN en 0902e...
Page 33 These valve terminal pneumatics consist of MIDI and MAXI valves. Valves of both sizes can be oper ated together on a CPX terminal. In this way adaptation to the requirements of the machine or system can also be made on the pneumatic side.
Page 34 Ì Ì Ì Ì Ì Ì Ì Ì Valve plates (here CPA10) Fig. 1/7: CPX terminal with CPA pneumatics Further information on the pneumatics of your CPX valve ter minal can be found in the appropriate Pneumatics Manual. 1−16 Festo P.BE−CPX−SYS−EN en 0902e...
Page 35: Structure Of The Electric Cpx Modules
Fig. 1/8: Structure of the CPX modules (example) Connection block The upper part of the housing selected for the CPX I/O mod ules is called the connection block. Connection blocks provide the necessary connections for sensors and actuators. In this...
Page 36 Many electronics modules can be combined with various connection blocks. In the case of the CPX bus node, the connection technology is an integral part of the module; in other words, the connection block and the electronics module form a single unit.
Page 37: The Power Supply Concept Of The Cpx Terminal
With metal interlinking blocks: screws with metric thread 1.1.3 The power supply concept of the CPX terminal The operating and load voltages for the CPX terminal are sup plied via the interlinking blocks (see Tab. 1/5 and Tab. 1/6). These conduct the operating and load voltages to the neigh bouring modules.
Page 38 Tab. 3/4 and in the package insert for the interlinking blocks with supply. Section 3.1.4 describes the criteria for selecting an appropri ate power supply unit, and calculation tables for designing the electrical circuits. 1−20 Festo P.BE−CPX−SYS−EN en 0902e...
Page 39 Load voltage supply for CP modules which are connected to the fitted CPX−CP interface and to those CPX−CP interfaces subsequently fitted to the right 1) Optional − depends on the current consumption of the CPX modules and the connected compo nents. 2) Not available for all alternative connections.
Page 40 Load voltage supply for the output module fitted and for the subsequent output modules fitted to the right. 1) Optional − depends on the current consumption of the CPX modules and the connected compo nents. Tab. 1/6: Interlinking blocks with supply (push−pull) 1−22...
Page 41 MPA load voltage by the CPX terminal. If the pneumatics side is expanded further (> 8 sub−bases), an electric supply plate must be used for the power supply.
Page 42: Commissioning, Diagnosis And Operational Functions
1. Overview of components Commissioning, diagnosis and operational functions The system reaction of the CPX terminal can be adapted to the relevant application. For this purpose, the CPX terminal provides extensive functions for commissioning, diagnosis and operation. Commissioning and operational functions The reaction of the CPX terminal can be adapted to individual requirements by parameterising.
Page 43 8 internal inputs (8 status bits). I/O diagnostic interface With fieldbuses that do not possess extensive diagnostic functions, the diagnostic information of the CPX terminals is available via the I/O diagnostic interface. The I/O diagnostic interface enables bus−independent access to diagnostic in formation, data and parameters via internal digital I/Os (16 inputs and 16 outputs).
Page 44 1. Overview of components 1−26 Festo P.BE−CPX−SYS−EN en 0902e...
Page 45: Assembly
Assembly Chapter 2 2−1 Festo P.BE−CPX−SYS−EN en 0902e...
Page 46 ......... . 2−21 2.4.1 Fitting CPX terminals without pneumatics onto a H−rail ..2−21 2.4.2...
Page 47: General Instructions On Assembly And Dismantling
Compressed air supply The operating and load voltage supplies. Note Handle all modules and components of the CPX terminal with great care. Note especially the following: Screw connections must be fitted without distortion and mechanical tension. Screws must be fitted accurately (otherwise threads will be damaged).
Page 48 Except for the pneumatic interface, each electric module including the CPX bus node can be fitted in any position on the electrical side. The electric modules can be arranged in any sequence in the CPX terminal.
Page 49 128 valve solenoid coils of type MPA (16 MPA pneu matic modules with max. 8 valve solenoid coils each) 32 valve solenoid coils of type VTSA/VTSA−F 26 valve solenoid coils of type Midi/Maxi 22 valve solenoid coils of type CPA 2−5 Festo P.BE−CPX−SYS−EN en 0902e...
Page 50: Assembling Electric Modules With Plastic Interlinking Blocks
· assemblies to protect the sub−assemblies from static discharges. You can adapt the CPX terminal to your requirements by ad ding or removing modules. The mechanical link between the electric modules is made via tie rods in the interlinking blocks. The length of the tie rod is determined by the possible number of interlinking blocks or electric modules.
Page 51: Replacing A Complete Module Or Interlinking Block With Tie Rod Interlinking
Tie rod groove Tie rod Fig. 2/1: CPX terminal with tie rod interlinking (rear view) Dismantling Proceed as follows in order to remove a complete module or a interlinking block: 1.
Page 52 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). 2−8 Festo P.BE−CPX−SYS−EN en 0902e...
Page 53 Make sure that the electric plug connectors of the inter− linking blocks are not bent. 2. Align the CPX terminal on a flat surface so that the compo nents are not offset. Use the bearing surface for the H−rail to align the component correctly. It is easier to align if you use an H−rail.
Page 54: Increasing Or Reducing The Number Of Electric Modules
The length of the tie rod is determined by the possible number of interlinking blocks or electric modules. In order to add an electric module to the CPX terminal, you will require a tie rod extension (see Tab. 2/1). 2−10...
Page 55 Fitting the tie rod extension 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 56 (see Fig. 2/5). 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 2−12 Festo P.BE−CPX−SYS−EN en 0902e...
Page 57 (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 fieldbus used. 1. Fasten the tie rod in the pneumatic interface or the right− hand end plate, by placing the fastening plate over the locking plate and pushing these together into the groove intended for this purpose.
Page 58 Make sure that the electric plug connectors of the inter− linking blocks are not bent. 3. Align the CPX terminal on a flat surface so that the compo nents are not offset. Use the bearing surface for the H−rail to align the component correctly. It is easier to align if you use an H−rail.
Page 59: Fitting The Right−Hand End Plates With Midi/Maxi Valves
In order to earth the right−hand end plate, connect the cable fitted on the inside onto the appropriate contacts of the pneumatic module or the CPX bus node (see Fig. 2/8). 2. Left−hand end plate: The left−hand end plate is connected conductively with the other components by means of rails in the interlinking block.
Page 60 2. Assembly Seal Contact for earth cable Pre−assembled earth cable With wall mounting: use spacer discs (4 x) Fastening screws approx. 1 Nm Fig. 2/8: Fitting the end plates with Midi/Maxi pneumatics 2−16 Festo P.BE−CPX−SYS−EN en 0902e...
Page 61: Assembling Electric Modules With Metal Interlinking Blocks
· assemblies to protect the sub−assemblies from static discharges. You can adapt the CPX terminal to your requirements by ad ding or removing modules. The mechanical link between the electric modules is made via the threaded connectors be tween the interlinking blocks.
Page 62: Replacing A Complete Module Or Interlinking Block
Connector screws Fig. 2/9: CPX terminal with connection block and interlinking blocks in metal version Dismantling Proceed as follows in order to remove a complete module or a interlinking block: 1.
Page 63 Make sure that the electric plug connectors of the interlink ing blocks are not bent. 2. Align the CPX terminal on a flat surface so that the compo nents are not offset. The bolts attached to the left−hand side of the interlinking block help you with the alignment.
Page 64 2. Assembly Connector screws Inserted NBR seal Fig. 2/10: CPX terminal with connection block and interlinking blocks in metal version 2−20 Festo P.BE−CPX−SYS−EN en 0902e...
Page 65: Fitting The Cpx Terminal
You can fit the CPX terminal in one of two ways: Mounting method Description H−rail mounting The CPX terminal is suitable for fitting onto an H−rail (mounting rail as per EN 60715). There is a guide groove on the back for hanging the valve terminal onto the H−rail. Wall mounting The end plates and the pneumatic interface contain holes for fitting the terminal onto a wall.
Page 66: Fitting Cpx Terminals With Pneumatics Onto An H−Rail
2. Assembly 2.4.2 Fitting CPX terminals with pneumatics onto an H−rail For fitting the CPX terminal onto an H−rail you will require mounting kit type CPX−CPA−BG−NRH. This kit contains 3 clamping components and 3 M4x12 screws. Caution H−rails with mounted valve terminals can break if they are subjected to vibration exceeding severity level 1: 0.15 mm path at 15 ...
Page 67 Ò Ò Ò Ò Ò Ò with an M4 screw 2 Ò Ò Ò Tab. 2/3: Required mounting points for H−rail mounting For information about H−rail mounting of CPX terminals with Midi/Maxi pneumatics, see section 2.4.3. 2−23 Festo P.BE−CPX−SYS−EN en 0902e...
Page 68 Ó Ó Ó Ô Ô Ô Ô Ô Ó Ó Ó Ô Ô Ô Ô Ô Ó Ó Ó Ó Ó Ó Fig. 2/11: Fitting a CPX terminal (here with CPA pneumatics) onto an H−rail 2−24 Festo P.BE−CPX−SYS−EN en 0902e...
Page 69 7. Fasten the CPX terminal against tilting or sliding by tightening the locking screws with 1.3 Nm. H−rail Clamping component of the H−rail clamping unit Fig. 2/12: Rear view: Fitting the CPX terminal onto an H−rail 2−25 Festo P.BE−CPX−SYS−EN en 0902e...
Page 70: Fitting Cpx Terminals With Midi/Maxi Pneumatics Onto An H−Rail
2. Assembly 2.4.3 Fitting CPX terminals with Midi/Maxi pneumatics onto an H−rail For fitting the valve terminal onto the H−rail you will require an H−rail clamping unit type CPX−03−4,0 (Midi) or type CPX−03−7,0 (Maxi). Caution H−rail mounting without an H−rail clamping unit is not permitted.
Page 71 Secure the levers with the aid of the locking screws (see · Fig. 2/13, item 6). Lever Self−adhesive rubber foot O−ring Clamping elements Flat−head screw Retaining screw *) Different lever lengths with MIDI and MAXI Fig. 2/13: Fitting the H−rail clamping unit 2−27 Festo P.BE−CPX−SYS−EN en 0902e...
Page 72 3. Fasten the H−rail at least every 100 mm to the fastening surface. 4. Hang the CPX terminal onto the H−rail. Secure the CPX terminal on both sides with the H−rail clamping unit against tilting or sliding down (see Fig. 2/14).
Page 73: Wall Mounting
2. Assembly 2.4.4 Wall mounting 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 CPX terminals with Midi/Maxi pneumatics are fitted without spacer discs (see Fig. 2/15) When fitted to a wall without additional fastening (see Tab.
Page 74 Spacer discs on the Midi/Maxi pneumatic interface Spacer discs on the right−hand end plate Fig. 2/15: For wall mounting with Midi/Maxi pneumatics: remove the protective foil from the adhesive surface and fit the spacer disc (rear view) 2−30 Festo P.BE−CPX−SYS−EN en 0902e...
Page 75 CPX−BG−RW−... for plastic version interlinking blocks, or type CPX−M−BG−RW−... for metal version interlinking blocks. Fastenings of type CPX−BG−RW−... can be clipped into two adjacent interlinking blocks (see Tab. 2/4) and provide addi tional holes for fitting onto a wall. Note the relevant fitting instructions.
Page 76 Tab. 2/4: Fitting additional attachments for wall mounting For fitting onto a wall, proceed as follows: 1. Make sure that the fastening surface is flat and can sup port the weight of the CPX terminal. 2−32 Festo P.BE−CPX−SYS−EN en 0902e...
Page 77 2. Assembly 2. For CPX terminals with 4 or more interlinking blocks: you will require additional mounting brackets of type CPX−(M−)BG−RW−... every 100 or 150 mm. These are ready− fitted on delivery. 3. For CPX terminals with MPA pneumatics: Check whether you need additional wall supports for the pneumatics module (see MPA pneumatics manual).
Page 78 2. Assembly Variant Mounting points CPX terminal in plastic version, without pneumatics Required mounting with: End plates 1: two M4 or M6 screws each For each additional mounting bracket 2 (needed if 4 or more interlinking blocks are used, see Tab.
Page 79 2. Assembly Variant Mounting points CPX terminal in plastic version with VTSA pneumatics Required mounting with: Left end plate 1 : two M4 or M6 screws For each additional mounting bracket (not shown, needed if 4 or more inter− linking blocks are used, see Tab. 2/4), type CPX−BG−RW−...: one M4 screw...
Page 80 2. Assembly 2−36 Festo P.BE−CPX−SYS−EN en 0902e...
Page 81: Installation
Installation Chapter 3 3−1 Festo P.BE−CPX−SYS−EN en 0902e...
Page 82 ........3−3 3.1.2 Configuration of the CPX bus node ......3−6 3.1.3...
Page 83: General Installation Instructions
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 84 Caution The position of the pins on the plug is different from that on the socket. See the manual for the CPX bus node in question for a description of the pin assignment of the fieldbus inter face. See manual CPX I/O modules" for the pin assignment of the sensor and actuator connections of input and out put modules.
Page 85 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 86: Configuration Of The Cpx Bus Node
CPX bus node. The DIL switches are behind an easily accessible cover on the CPX bus node. Information about the installation and the setting options for your CPX bus node can be found in the manual for the CPX bus node. 3−6...
Page 87: Configuration Of The Pneumatics
The DIL switch is situated under the transparent cover on the pneumatic interface. Detailed information on the pneumatic interfaces and MPA pneumatic modules can be found in the manual for the CPX I/O modules" of type P. BE−CPX−EA−... 3−7 Festo P.BE−CPX−SYS−EN en 0902e...
Page 88: Selecting The Power Supply Unit
IEC/DIN EN 60204−1 by using PELV circuits (electrical equip ment of machines, general requirements). The current consumption of a CPX terminal depends on the number and type of integrated modules and components. Recommendation: Use regulated power supply units, to ensure that the load ·...
Page 89 Current consumption of the operating voltage supply for the electronics and sensors CPX bus node current consumption (rounded) approx. 200mA Maximum current consumption of the CPX modules sup plied via the system supply (internal electronics) + _____ A Current consumption of the sensors supplied via the sys tem supply (see manufacturer’s specifications)
Page 90 Push−pull plug (5−pin): max. 16 A Limited by the specification of the connected plug con nector. Values apply for plug connectors from Festo Acces sories. If using third−party products, comply with the appli cable specifications. Please note that with a 4−pin system supply via pin 0 V", the sum of both currents of the operating and load...
Page 91 Tab. 3/3: Table for calculating the current consumption of the additional supply for the valves Information about the power supply concept of the CPX ter minal can be found in section 1.1.3. The pin allocation for all alternative connections is described in Tab.
Page 92: Power Supply Of The Cpx Terminal
+10/−15 % or − CPX−CP interface: +10/−15 %. Power is supplied to the CPX terminal (in the form of operat ing and load voltages) via supplies in the interlinking blocks (see section 1.1.3 for an overview of the supplies). These con duct the operating and load voltages to the neighbouring modules.
Page 93 3. Installation Supplying operating and load voltage Interlinking blocks with The operating and load voltages for the CPX terminal are system supply supplied via these interlinking blocks. The voltages are sup Types CPX−(M−)GE−EV−S... plied via an M18, 7/8" or push−pull plug and can be used for further electric modules and for the valves on either side.
Page 94 These interlinking blocks must be placed directly to the right M−GE−EV−S−PP−5POL of a system supply and must not be used more than once within a CPX terminal. They must not be combined with an additional supply, either. 3−14 Festo P.BE−CPX−SYS−EN en 0902e...
Page 95 3. Installation Caution Damage to device and the environment CPX terminals with push−pull forwarding function must have external fuse protection to 16 A in order to avoid overloading and resultant damage to the device and its environment. The use of interlinking blocks with forwarding function for supplying power to subsequent equipment causes the follow ing (see also Fig.
Page 96 0 V plate Operating voltage for electronics and sensors (24 V and 0 V el/sen el/sen Fig. 3/2: Basic representation of the power supply concept for interlinking blocks with 4−pin alternative connections (M18, 7/8") 3−16 Festo P.BE−CPX−SYS−EN en 0902e...
Page 97 Fig. 3/3: Basic representation of the power supply concept for interlinking blocks with 5−pin alternative connections (7/8", push−pull) The pin allocation for all alternative connections is described in Tab. 3/4 and in the package insert for the interlinking blocks with supply. 3−17 Festo P.BE−CPX−SYS−EN en 0902e...
Page 98 CPX−CP interface. Further information on the power 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 section Installation" section Power supply concept − forming voltage zones."...
Page 99 Note the specifications on the plug. 2) Interlinking blocks with forwarding function and interlinking blocks with system supply are identically constructed. Tab. 3/4: Pin assignment for interlinking blocks with system supply, additional supply or valve supply 3−19 Festo P.BE−CPX−SYS−EN en 0902e...
Page 100 3. Installation Potential equalisation The CPX terminal has two earthing connections for potential equalisation: The functional earth" pin from system supply, additional supply or valve supply (see Tab. 3/4) Earth connection on the left−hand end plate (see Fig. 3/4). Note Always connect the functional earth"...
Page 101 External fuses Connection for system supply, type CPX−GE−EV−S Separately disconnectable load supply for valves and outputs Fig. 3/4: Example connecting a common 24 V power supply and the potential equalisa tion (system supply with M18 plug) 3−21 Festo P.BE−CPX−SYS−EN en 0902e...
Page 102 Potential equalisation of functional earth (FE) Interlinking block with system supply, type CPX−GE−EV−S Interlinking block with additional supply for outputs, type CPX−GE−EV−Z Interlinking block with additional supply for outputs, type CPX−GE−EV−V Fig. 3/5: Example − additional load supplies with a shared 24 V power supply (all sup...
Page 103 MPA pneumatic module, supplied by the additional supply 5 type CPX−GE−EV−Z−7/8−5POL Fig. 3/6: Example − power supply with separate circuits, separate power supply unit and interlinking blocks with 5−pin 7/8" plugs (basic circuit diagram) 3−23 Festo P.BE−CPX−SYS−EN en 0902e...
Page 104 3. Installation 3−24 Festo P.BE−CPX−SYS−EN en 0902e...
Page 105: Commissioning
Commissioning Chapter 4 4−1 Festo P.BE−CPX−SYS−EN en 0902e...
Page 106 ........4−3 Preparing the CPX terminal for commissioning ..... . .
Page 107: Procedure For Commissioning
Step 2 Checking the I/O assignment Step 3 Commissioning the CPX terminal on the fieldbus and checking the address assignment, if necessary, without connected actuators by means of LED (see manual for the specific CPX bus node) Fig. 4/1: Commissioning steps 4−3...
Page 108: Preparing The Cpx Terminal For Commissioning
Preparing the CPX terminal for commissioning CPX terminals can be connected to various fieldbuses. Connection is made via the CPX bus node that is adapted to suit the relevant fieldbus. The reaction of the CPX terminal can be adapted to various requirements.
Page 109 1. Check the pneumatic tubing of the valve terminals with the aid of the manual override (see manual for specific pneumatics). 2. Check the entire electric wiring of the CPX terminal. 3. Check the DIL switch settings of your CPX terminals (see manual for the specific CPX bus node).
Page 110: Parameter Types
The parameters are preset at the factory. These pre−settings can be used for a large number of applications. With the aid of parametrising, the characteristics of the CPX terminal or the characteristics of the individual modules and I/O chan nels can be adapted to each particular application.
Page 111 4. Commissioning System parameters Brief description Diagnostic monitoring with: The monitoring of short circuit and overload for the complete CPX Short circuit/overload terminal can be switched on or off with this parameter. Undervoltage of outputs Undervoltage of valve supply Signal status when there is...
Page 112 Idle function is accessed. This function is only relevant with certain fieldbus protocols (see Idle state manual for specific CPX bus node). Force mode Actual signals are replaced in the processing image by the force settings settings.
Page 113: Possibilities Of Parametrisation
4. Commissioning 4.2.2 Possibilities of parametrisation The parametrisation of the CPX terminal can be undertaken as follows depending on the fieldbus protocol used: Ö Ö Ö Ö Ö Ò Ò Ò Ò Ò Ò Ò Ò Ò Ò Ò Ò Ò...
Page 114: 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 115: Diagnostics And Error Handling
Diagnostics and error handling Chapter 5 5−1 Festo P.BE−CPX−SYS−EN en 0902e...
Page 116 ......... . 5−19 5−2 Festo P.BE−CPX−SYS−EN en 0902e...
Page 117: General Notes On Diagnosis
5. Diagnostics and error handling General notes 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 via the fieldbus On the spot diagnosis with handheld Fig.
Page 118: Brief Description
CPX used. For example communication services on: bus node DPV1 (PROFIBUS) The PCP channel (Interbus) SDO access (CANopen) Tab. 5/1: Diagnostics options of the CPX terminal 5−4 Festo P.BE−CPX−SYS−EN en 0902e...
Page 119: On The Spot Diagnosis With Leds
LEDs is identical on the different types of modules (standardised). LEDs of the CPX bus node CPX bus nodes have fieldbus−specific LEDs and CPX−specific LEDs. The CPX−specific LEDs are available on each CPX field bus node: Fieldbus−specific LEDs (see manual for...
Page 120: Cpx−Specific Leds
PL (Power Load) power load supply (outputs/valves) LED (green) Sequence Status Meaning / error handling No error. Load voltage ap plied LED lights up Load voltage at the system Eliminate undervoltage supply or additional supply outside the tolerance LED flashes range 5−6 Festo P.BE−CPX−SYS−EN en 0902e...
Page 121 1) The system fault LED flashes depending on the class of fault which has occurred. Error class 1 (minor error): one flash, pause Error class 2 (error): flash twice, pause Error class 3 (serious error): flash three times, pause 5−7 Festo P.BE−CPX−SYS−EN en 0902e...
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 5. Diagnostics and error handling LEDS on CPX I/O modules In addition to the module−specific LEDs, all electric modules have a module common error LED for module diagnosis. Module common error LED (red) Status LEDs (e.g. green for digital in...
Page 124 LED flashes Module common error (see e.g. Eliminate short circuit/undervol manual for the specific tage module) LED lights up Channel error LED Information about this can be found in the manual for the relevant CPX module. 5−10 Festo P.BE−CPX−SYS−EN en 0902e...
Page 125: Diagnosis Via Status Bits Or The I/O Diagnostic Interface
5. Diagnostics and error handling Diagnosis via status bits or the I/O diagnostic interface The CPX terminal offers the following two modes for diag nosis, irrespective of the CPX bus node used: Mode Description Status bits The status bits serve for displaying com...
Page 126: Structure Of The Status Bits
5. Diagnostics and error handling 5.2.1 Structure of the status bits Irrespective of the CPX 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,...
Page 127 Tab. 5/6: 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. 5−13 Festo P.BE−CPX−SYS−EN en 0902e...
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 E0 ... E7 when quitting bit E15 supplies a 1−signal. Diagnostic data Reserved...
Page 130 Set the function number Set control bit (A15) Quitting Timer bit =1? expired? Accept data Reset control bit Reset control bit A15 Timer Quitting Timeout expired? bit =0? Fig. 5/6: Reading out the diagnostic data flow diagram 5−16 Festo P.BE−CPX−SYS−EN en 0902e...
Page 131 Diagnostic data Reserved Quitting bit Bit number of the inputs Signal status of the inputs Fig. 5/8: Reply data (example) Detailed information on the module diagnostic data can be found in section B.2.7. 5−17 Festo P.BE−CPX−SYS−EN en 0902e...
Page 132 As an example Fig. 5/10 the reply data in the case of fault number 4. Diagnostic data Reserved Quitting bit Bit number of the inputs Signal status of the inputs Fig. 5/10: Reply data with fault number 4 (4 dec. = 100 Bin) 5−18 Festo P.BE−CPX−SYS−EN en 0902e...
Page 133: 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 134 [Condition counter excee Limit value of the condition Set or delete the limit value of ded] counter exceeded the condition counter by para meterising [Module/channel failure] Module/channel failed Check module (function/in stallation), replace if neces sary 5−20 Festo P.BE−CPX−SYS−EN en 0902e...
Page 135 Handheld display Operating status Eliminating faults [Module code incorrect] Stored configuration is diffe With the CPX terminal: rent to the actual CPX struc Check the structure and re · ture save, if necessary (for the procedure, see sec tion B.2.2, System parame...
Page 136 Eliminate short circuit/over load or check actuator supply, if necessary, check connected actuators [Wrong device type moun Missing or incorrect spare Replace module or spare part ted] part (e.g. air filter) See manual for the relevant module 5−22 Festo P.BE−CPX−SYS−EN en 0902e...
Page 137 With correct string assign · Incorrect module recogni ment: String assignment sed during operation (diffe must be saved or (see ma rent type, see manual for nual for CPX−CP interface) CPX−CP interface) Check string assignment, if · necessary replace CP mo dule 5−23...
Page 138 [CO−Bus Power lost] No power supply at the CAN Check power supply at interface 24 VDC Bus and 0 V Bus [Fault in Calibration] Calibration fault (factory Replace module adjustment missing) 5−24 Festo P.BE−CPX−SYS−EN en 0902e...
Page 139 56 ... Reserved [Number of Modules incor The number of modules in the Correct module equipment rect] current CPX equipment status status or save new one does not equal the saved equipment status 65 ... Reserved [CC−L: Station equip. status...
Page 140 Check measuring system or li on axis string nes for damage, if necessary replace [Error motor or power Fault in the motor or power Check motor or power section stage] section for damage, if necessary replace 5−26 Festo P.BE−CPX−SYS−EN en 0902e...
Page 141 [CPU Hardware Trap] System error has occurred Replace module if Power Off/ On does not remedy problem [CBUS C−manager not Fault in internal communica Check CPX terminal and, if ne ready] tion cessary, replace [Watchdog overflow] System error has occurred...
Page 142 Operating status Eliminating faults [CBUS init fault (gap)] Fault in internal configuration Check module array (there must not be any configuration gaps in the CPX terminal) [Order queue full] Fault in internal communica Check CPX terminal and, tion if necessary, replace [CBUS−EEPROM error]...
Page 143 [Protokoll Asic not ready] Initialisation of the Chips Replace module if Power Off/ protocol defective On does not remedy problem [MMI serves CPX module] MMI serves CPX modules, Terminate MMI access parametrisation is not possi ble via the fieldbus node or...
Page 144 5. Diagnostics and error handling 5−30 Festo P.BE−CPX−SYS−EN en 0902e...
Page 145 Technical appendix Appendix A A−1 Festo P.BE−CPX−SYS−EN en 0902e...
Page 146: A. Technical Appendix
Cable length and cross−sectional area ......A−7 A−2 Festo P.BE−CPX−SYS−EN en 0902e...
Page 147: A.1 Technical Data
(see manual for the relevant module) e.g. terminal connections: IP 20 e.g. M8 and M12 connections: IP 65 and IP67 Electromagnetic compatibility Interference emission See declaration of conformity (www.festo.com) Interference immunity See declaration of conformity (www.festo.com) Vibration and shock Vibration Tested according to DIN/IEC 68/EN 60068 part 2−6;...
Page 148 5 shocks per 60 ... 150 Hz direction Operating voltage for fieldbus interface Nominal value See manual for the specific CPX bus node Tolerance Caution Short circuits can cause damage. Provide external fuse protection for the system supply and additional supplies.
Page 149 Load voltage of outputs Power supply Nominal value DC 24 V (reverse polarity protected) Tolerance 18 ... 30 V Current consumption Sum of all switched−on outputs (see manual for output modules) Residual ripple 4 Vpp (within tolerance) A−5 Festo P.BE−CPX−SYS−EN en 0902e...
Page 150 *) 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, connection blocks and the CPX bus node can be found in the relevant manuals. A−6...
Page 151: A.2 Cable Length And Cross−Sectional Area
A load−dependent drop in voltage occurs on the cables of the operating voltage supply to a CPX terminal. This can cause the voltage at pin 1 or pin 2 of the operating voltage connec tion to be outside the permitted tolerance.
Page 152 The fluctuations in the primary voltage · The operating temperature of the equipment · 3. Enter the values in the relevant formula. The equivalent circuit diagram as well as the example explain the correla tions. A−8 Festo P.BE−CPX−SYS−EN en 0902e...
Page 153 Terminal Pin *) Pin *) OUT/VAL Pin *) See Tab. 3/4 for pin allocation Line resistance (outgoing) R Line resistance (returning) R L = distance (cable length) Fig. A/1: Equivalent circuit diagram for power supply A−9 Festo P.BE−CPX−SYS−EN en 0902e...
Page 154 = 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−10 Festo P.BE−CPX−SYS−EN en 0902e...
Page 155 Parameters and data of the CPX terminal Appendix B B−1 Festo P.BE−CPX−SYS−EN en 0902e...
Page 156: 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 157: 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 fieldbus protocol used. For example access can be made via: The plug−in module or scanner/bus master;...
Page 158: 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 para Determine global system functions for the meters complete CPX terminal, e.g.: Diagnostic monitoring System start etc.
Page 159: 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/48 CPX expansion (system data) Tab. B/49 Handheld (system data) Tab. B/50 Force mode (system data) Tab.
Page 160 B. Parameters and data of the CPX terminal Function no. CPX data and CPX parameters 3482 Number of entries in the diagnostic memory (diagnostic memory Tab. B/34 data) 3483 Overrun (diagnostic memory data) Tab. B/35 3483 Status (diagnostic memory data) Tab.
Page 161 Function no. Fieldbus−specific system data − Number of input bytes (Rx size) Tab. B/56 − Number of output bytes (Tx size) Tab. B/57 1) Only relevant with certain fieldbus protocols (see manual for CPX bus node) B−7 Festo P.BE−CPX−SYS−EN en 0902e...
Page 162: B.2.2 System Parameters
4402 System start 4402 Analogue process value display (data format) Only relevant with certain fieldbus protocols (see manual for CPX bus node) Tab. B/3: Overview system parameters [..] The data and parameters which appear in English on the handheld are shown in square brackets in this manual, e.g.
Page 163 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. An error registered by the module will be: Sent to the higher−order fieldbus master...
Page 164 B. Parameters and data of the CPX terminal System parameter: 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 fieldbus communication faults, e.g. in the event of: Communication failure (fieldbus interruption, PLC/IPC failure) Communication stop.
Page 165 Function no. 4402 Description Determines for the complete CPX terminal whether the Force function is blocked or enabled. By changing this parameter, the channel−orientated Force settings (module para meters Force mode and Force state) are reset automatically for safety reasons in the following cases in order to avoid undesired signal states: When modified via the Handheld: When changed from enable"...
Page 166 Function no. 4402 Description Establishes which signal status outputs/valves are to assume when the CPX terminal switches into the Idle state. 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.
Page 167 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 168 Process values are displayed in the Motorola format (highest value bit on the left, lowest value bit on the right) Note This is a special parameter for certain CPX bus nodes only (CPX−FB13, FB33/34) Tab. B/9: Analogue process value display B−14 Festo P.BE−CPX−SYS−EN en 0902e...
Page 169: B.2.3 Module Parameters
Idle mode channel x − Forcing channel x 1) Function number, see manual for CPX modules 2) Access is protocol−specific (see manual for CPX bus node) Tab. B/11: Overview − Example of some channel−specific module parameters B−15 Festo P.BE−CPX−SYS−EN en 0902e...
Page 170 [Active] 0 = inactive [Inactive] Note Monitoring can also be set for the complete CPX terminal (see System parame ter monitoring"). Tab. B/12: Monitoring the CPX module For parametrising the Monitoring CP modules" on the CPX−CP interface see the manual for the CPX−CP interface type P.
Page 171 Check which setting is necessary for reliable operation of your system. Further information can be found in the manual for the CPX I/O modules. Tab. B/13: Behaviour after short circuit/overload B−17...
Page 172 B. Parameters and data of the CPX terminal Module parameter: Input debounce time Modules For modules with digital inputs (see manual for the module) Function no. 4828 + m * 64 + 1 m = module number (0 ... 47)
Page 173 B. Parameters and data of the CPX terminal Module parameter: 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.
Page 174 B. Parameters and data of the CPX terminal Module parameter: Data format for analogue value of outputs Modules For modules with analogue outputs (see manual for the module) Function no. 4828 + m * 64 + 3 m = module number (0 ... 47)
Page 175 B. Parameters and data of the CPX terminal Module parameter: 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 ...
Page 176 B. Parameters and data of the CPX terminal Module parameter: 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 CPX bus node description).
Page 177: 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 178 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 179 B. Parameters and data of the CPX terminal Diagnostic memory parameter: Run/stop filter 2 Function no. 3484 Description Diagnostic memory filter with which you can determine when the registering of errors is to be started or stopped. Bit 0...2 Values...
Page 180 B. Parameters and data of the CPX terminal Diagnostic memory parameter: 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 181 B. Parameters and data of the CPX terminal Diagnostic memory parameter: 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 chan nel can be analysed.
Page 182 B. Parameters and data of the CPX terminal Diagnostic memory parameter: 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 183: 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 184 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 185 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 Designation Days [day] Number of days 0 ... 255 n = 10 * d + 0...
Page 186: B.2.6 System Diagnostic Data
[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/39: Status bits B−32 Festo P.BE−CPX−SYS−EN en 0902e...
Page 187 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 is diagnostic data and contains, where applicable, the number of the first module on which a fault has occurred. With the aid of the module number of the faulty module you can ascertain the function numbers of the relevant diagnostic data.
Page 188: B.2.7 Module Diagnostic Data
Information 3 (reserved) 1) m = module number (0 ... 47) Tab. B/42: Overview − Module diagnostic data See the manual for the CPX−CP interface type P. BE−CPX−CP−... for module diagnostic data for CP modules on the CPX−CP interface. B−34...
Page 189 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 190: B.2.8 System Data
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/46: Information 3 (reserved) B.2.8 System data System data provides information about global system set tings and system states.
Page 191 In the operating mode Remote I/O" all functions are controlled via the proto col implemented in the CPX bus node. In the operating mode Remote Controller" the FEC takes complete control of the I/Os. 8 I/O bytes are provided for communication with the CPX bus node. Bits 0...3 Values...
Page 192 B. Parameters and data of the CPX terminal System data: Handheld Function no. Description Specifies whether or not a handheld is connected. 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 parametrisation carried out by handheld is to be cancelled by reloading the parameters, or forcing by higher−order PLC/IPC is to...
Page 193 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 parametrisation (factory...
Page 194 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 195 Description Specifies the number of input bytes of the CPX terminal. Note Only relevant with certain fieldbus protocols (see manual for CPX bus node) Tab. B/56: Number of input bytes System data: Number of output bytes (Tx size) Function no.
Page 196: 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 197 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...
Page 198 B. Parameters and data of the CPX terminal Function no. Bit number Example Nibble Nibble Nibble Nibble 784 + m * 4 + 0 Year 2) Month 784 + m * 4 + 1 100.000 10.000 784 + m * 4 + 2...
Page 199 General information on parametrisation Appendix C C−1 Festo P.BE−CPX−SYS−EN en 0902e...
Page 200: C. General Information On Parametrisation
..........C−23 C−2 Festo P.BE−CPX−SYS−EN en 0902e...
Page 201: C.1 Input Debounce Time
With the CPX terminals, undesired sig nal edges can be suppressed simply by parametrisation. CPX parametrisation With the CPX terminals, the input debounce time can be set with an appropriate module parameter. The possible input debounce times therefore depend on the particular type of module.
Page 202 Sensor signal is unstable (shorter than debounce time) Sensor signal is sufficiently stable (= debounce time) Start and end (sequence) of the Sensor signal debounce time Logical CPX signal Debounce time has expired Fig. C/1: Input debouncing C−4 Festo P.BE−CPX−SYS−EN en 0902e...
Page 203: C.2 Signal Extension
There is a danger here that the short signals are not always recognised" due to long cycle times of the higher−order controller. With CPX terminals, a signal extension time can be defined by parametrisation of the appropriate input signal. Short signals will then also be recognised reliably by the higher−order con troller.
Page 204 (see Fig. C/2). Fixed debounce times remain ef fective. 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 debounce time has expired. Sensor signal Logical CPX...
Page 205 Case 2: Change of edge after expiration of the signal extension time The logical CPX signal follows the input signal and is supplied after it. If a debounce time has been defined, the logical CPX signal is supplied when the debounce time has expired. Sensor signal...
Page 206: C.3 Influence Of Signal States
C. General information on parametrisation 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 Forcing Influences signal states independently of actual I/O signals signal states (see also section C.3.1)
Page 207 Assume fault mode Reset outputs System parameters Fail safe Fieldbus 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−9 Festo P.BE−CPX−SYS−EN en 0902e...
Page 208 LED. The logical status of the input only changes internally and may be effec tive programme technically. Obtain further information on Idle mode, Fail safe and Forcing from the following sections. C−10 Festo P.BE−CPX−SYS−EN en 0902e...
Page 209: 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 parametrisation With CPX terminals, Force parametrisation can be used for: Digital inputs Digital outputs Valves...
Page 210 CPX terminal or blocked. System parameters Settings Description Force mode Disabled 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 (out put/valve/input) for each module (see Tab.
Page 211 0 = Force blocked 1 = Force state Force state 0 = Reset signal 1 = Set signal Signal status previously Signal status afterwards Module parameter (channel−orientated) Fig. C/6: Force parametrisation example for binary signals C−13 Festo P.BE−CPX−SYS−EN en 0902e...
Page 212 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 parametrisation example for analogue signals C−14 Festo P.BE−CPX−SYS−EN en 0902e...
Page 213: C.3.2 Signal Status In The Event Of A Fault (Fail Safe)
Use the Fail−safe parametrisation very carefully, in order to avoid damage. CPX parametrisation With CPX terminals, fail−safe parametrisation can be used for: Digital outputs Analogue outputs Valves By means of the system parameter fail−safe, you can globally determine the signal status which the outputs/valves are to assume in the event of fieldbus communication faults, e.g.
Page 214 Tab. C/5: Module parameters Fault mode and Fault state Mode of operation The Fault mode" parameter is used to determine whether the current signal status is to be retained or whether the signal status defined by Fault state" is to be accepted. C−16 Festo P.BE−CPX−SYS−EN en 0902e...
Page 215 222 500 500 500 333 321 100 200 100 500 444 500 333 321 Signal status before the fault Signal status after the fault Module parameter (channel−orientated) Fig. C/9: Fail−safe parametrisation example for analogue signals C−17 Festo P.BE−CPX−SYS−EN en 0902e...
Page 216: C.3.3 Signal Status In Idle Status (Idle Mode)
Use the Idle mode parametrisation very carefully, in order to avoid damage. CPX parametrisation With CPX terminals, Idle mode parametrisation can be used for: Digital outputs Analogue outputs Valves...
Page 217 Set output signal (output/valve) Analogue signal Analogue value Value of the analogue signal Tab. C/7: Module parameters Idle mode" and Idle state" Mode of operation Functionally identical to Fail−safe parametrisation (see also Fig. C/8 and Fig. C/9). C−19 Festo P.BE−CPX−SYS−EN en 0902e...
Page 218: 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−20 Festo P.BE−CPX−SYS−EN en 0902e...
Page 219 6 = Register as from the defined error number + module number + channel number MN = module number, CN = channel number, FN = error number Fig. C/10: The method of operation of the diagnostic memory filters C−21 Festo P.BE−CPX−SYS−EN en 0902e...
Page 220 C. General information on parametrisation Mode 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 221: C.5 Monitoring Errors
(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−23...
Page 222 Monitoring Reaction to activation Module parameters A fault on the module will be: Monitoring Forwarded to the CPX 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 fieldbus master Displayed by the red SF−LED on the CFX bus node...
Page 223 (0 = inactive; 1 = active). Tab. C/10: Module parameter monitoring The meaning of the module parameter depends on the mo dule used. Detailed information can be found in the manual for the relevant module. C−25 Festo P.BE−CPX−SYS−EN en 0902e...
Page 224 C. General information on parametrisation C−26 Festo P.BE−CPX−SYS−EN en 0902e...
Page 225 Index Appendix D D−1 Festo P.BE−CPX−SYS−EN en 0902e...
Page 226: D. Index
............D−1 D−2 Festo P.BE−CPX−SYS−EN en 0902e...
Page 227 ........4−3 Common error LED on CPX I/O modules ... . .
Page 228 ......3−18 Data data saved in the CPX terminal ....B−3 Technical data .
Page 229 ........C−16 D−5 Festo P.BE−CPX−SYS−EN en 0902e...
Page 230 ......4−10 LEDs Diagnostics on CPX I/O modules ....5−9 D−6...
Page 231 D. Index Diagnostics on the CPX bus node ....5−5 Module common error LED ..... .
Page 232 ........B−43 D−8 Festo P.BE−CPX−SYS−EN en 0902e...
Page 233 ......... Settings on the CPX bus node .
Page 234 ......2−32 Wire break, Monitoring ......B−21 D−10 Festo P.BE−CPX−SYS−EN en 0902e...

Festo CPX System Manual

1 Overview of Components

2 Assembly

2.1 General Instructions on Assembly and Dismantling

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