Festo CPX-M-FB20 Manual
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Festo CPX-M-FB20 Manual

Festo CPX-M-FB20 Manual

Cpx bus node
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CPX terminal
Manual
Electronics
CPX bus node
Type CPX-M-FB20
and CPX-M-FB21
Fieldbus protocol:
Interbus "Rugged
Line" fibre optic
cable remote bus
Manual
575 108
en 1202a
[8002868]

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Summary of Contents for Festo CPX-M-FB20

  • Page 1 CPX terminal Manual Electronics CPX bus node Type CPX-M-FB20 and CPX-M-FB21 Fieldbus protocol: Interbus “Rugged Line” fibre optic cable remote bus Manual 575 108 en 1202a [8002868]...
  • Page 3 ....... . . 575 108 E (Festo AG & Co. KG, D-73726 Esslingen, 2012) Internet: http://www.festo.com E-Mail: service_international@festo.com...
  • Page 4 Contents and general safety instructions ® ® ® ® INTERBUS , RUGGED LINE , TORX and VDE registered trademarks of the respective trademark owners in certain countries. Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 5: Table Of Contents

    ....... . 2-36 Commissioning the CPX terminal on the Interbus ..... 2-38 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 6 ..........Technical data for fieldbus node type CPX-M-FB20/CPX-M-FB21 .

  • Page 7: Intended Use

    Contents and general safety instructions Intended use The CPX-M-FB20 or FB21 bus node documented in this de- scription is intended exclusively for use as a participant on the Interbus. The CPX terminal must only be used as follows: – As specified in industrial applications.

  • Page 8: Notes On This Manual

    1 Rugged Line socket: with fibre optic cable (FOC) – 1 x fieldbus, incoming CPX-M-FB21 2 Rugged Line sockets: – 1 x fieldbus, incoming – 1 x fieldbus, continuing Tab. 0/1: Overview of CPX bus node for INTERBUS FOC Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 9 An overview of the structure of the CPX terminal user docu- mentation is contained in the CPX system manual. Product specific information about the control system can be found in the manufacturer's product documentation accompanying the product. Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 10: Important User Instructions

    ... 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 devices: Electrostatic sensitive devices: inappropriate handling can result in damage to components. VIII Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 11 Recommendations, tips and references to other sources of information. Accessories: Information about necessary or useful accessories for the Festo product. Antipollution: Information about the environmentally-friendly use of Festo products. Text designations Bullet points indicate activities that may be carried out in • any order.
  • Page 12 Digital inputs and outputs Digital output PLC/IPC Programmable logic controller/industrial PC Pneumatic interface The pneumatic interface is the interface between the modular electrical peripherals and the pneumatics. VTSA… Pneumatic modules/valve terminal type 44/45 Tab. 0/2: CPX-specific terms and abbreviations Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 13 (main string). With baud rates of 500 kBd and 2 MBd it can be up to 12.8 km long (from the module to the last connected remote bus slave). Individual segments can be up to 400 m long. Tab. 0/3: Interbus-specific terms and abbreviations Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 14 Contents and general safety instructions Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 15: Installation

    Installation Chapter 1 Installation Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 16: Fibre Optic Cable (Foc) Connection

    ..... . 1-24 1.5.2 Sealing unused connections in the Rugged Line plug ..1-27 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 17 This has the added advantage of high electromagnetic resist- ance to interference due to the optical transmission of the signals. Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 18 Caution The CPX bus node for Interbus includes electrostatically sensitive devices. Do not therefore touch any components • Observe the handling specifications for electrostatically • sensitive devices. They will help you avoid damage to the electronics. Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 19 CPX bus node FB20 for the Interbus fibre-optic cable: Fieldbus connection IN (incoming, Rugged Line plug) Bus-status- specific and CPX-specific LEDs Service interface for handheld, etc. DIL switch under cover Fig. 1/1: Connection and display components on the CPX bus node FB20 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 20 Rugged Line plug) Fieldbus connection IN (incoming, Rugged Line plug) Bus-status- specific and CPX-specific LEDs Service interface for handheld, etc. DIL switch under cover Fig. 1/2: Connection and display components on the CPX bus node FB21 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 21: Installation

    DIL switch in upper position = ON – DIL switch in lower position = OFF 4. Refit either the fieldbus plugs or the cover, as required. Tighten the fastening screws at first by hand and then with 0.3 Nm. Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 22 (default) Tab. 1/1: DIL switch 1 Data format Set the data format with DIL switch 3: Data format DIL switch element 3 Standard 3: OFF (default) Siemens (Byte swap) 3: ON Tab. 1/2: DIL switch 3 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 23 Use DIL switch 4 to determine whether the undervoltage error message should be registered: Error message DIL switch 4 Register undervoltage V 4: OFF load as peripheral fault (default) Do not register 4: ON undervoltage V load Tab. 1/3: DIL switch 4 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 24 Diagnostic mode 4 (M4): 5: ON – With diagnosis 6: ON – Diagnosis occupies 4 bytes at the end of the image table for inputs Tab. 1/4: DIL switches 5 and 6 1-10 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 25 DIL switches 2, 7 and 8 are reserved for future expansion. Reserved DIL switches DIL switches 2, 7 and 8 2 OFF 7: OFF 8: OFF (default) Tab. 1/5: DIL switches 2, 7 and 8 1-11 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 26: Connecting The Fieldbus

    – The CPX terminal requires a 24 V DC power supply. This is supplied via the Rugged Line plug. It is possible to supply and switch off separately the valve terminal outputs/valves. 1-12 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 27 230 V AC Interbus master: PC or PLC with module CPX terminal: Only electric I/O modules CPX terminal: VTSA valves and electric I/O modules Further Interbus slaves Fig. 1/4: Remote bus system structure with CPX terminals 1-13 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 28: Fieldbus Interface Assignment

    Rugged Line OUT connection (remote bus) in the case of the FB21, can be found on the bus node for connecting the CPX terminal to the fieldbus. These connections serve for the incoming (IN) and continuing (OUT) fieldbus cable. 1-14 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 29 Plugs Bus connection (fibre optic cable) in second Rugged Line plug, continuing (FB21 only) Transmitted data, wire colour = orange Received data, wire colour = black Tab. 1/6: Connection assignment of bus connection (remote bus) 1-15 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 30: Connecting The Fibre Optic Cable

    (see Fig. 1/5, diagram C). 5. Tear open the outer red cable coating approx. a further 15 cm with the aramide yarn without bending the cable (see Fig. 1/5, diagram C). 1-16 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 31 7. Shorten the individual cores by 12 cm, as this part may have been damaged when the insulation was removed with the cable cutter (see Fig. 1/5, diagram D). Cable stripper “Kames 1” from Phoenix Contact Fig. 1/5: Removing the outer cable insulation 1-17 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 32 4. Push both black cores through the appropriate opening in the Rugged Line plug until they project at the other end (see Fig. 1/6, diagram B). 1-18 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 33 7. Cut off the individual cores. 2 3 4 Quickon screw Splice ring Clamping box Crossing the fibre optic cable with remote IN and OUT Sealing rubber Fibre cutter Fig. 1/6: Connecting the fibre optic cable 1-19 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 34 -3.6 dBm or drop below a value of -18.0 dBm. This level takes into account the performance drift of the send and receive components and a system reserve of 3 dB. 1-20 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 35 1. Installation Fig. 1/7: Placing the measuring unit adapter 1-21 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 36: Fieldbus Baud Rate And Fieldbus Length

    Please also observe the relevant regulations in EN 60204 part 1. 1.4.4 Fieldbus baud rate and fieldbus length The maximum permissible fieldbus length is dependent on the fibre-optic cable used. The baud rate is 500 or 2000 kbit s. 1-22 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 37: Pin Assignment Of Power Supply

    General requirements). The current consumption of a CPX terminal depends on the number and type of integrated modules and components. Observe the information on power supply and the required earthing measures in the CPX system description. 1-23 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 38 Operating voltage connection in the Rugged Line plug 24 V supply for electronics, inputs 0 V electronics, inputs 24 V supply, valves, outputs 0 V valves, outputs Functional earth Tab. 1/7: Pin assignment of bus connection (power supply) 1-24 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 39 10 cm. 4. Push first the sealing rubber to the edge of the insulation, then push the clamping box onto the sealing rubber (see Fig. 1/8, diagram B). This forms the strain relief for the cable. 1-25 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 40 (see Fig. 1/8, diagram F). The insulation will then be cut and the electrical contact restored. Note If you wish to connect the cable cores again, you must cut them again, as otherwise the electrical contact cannot be guaranteed. 1-26 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 41 1. Installation QUICKON screw Splice ring Clamping box Rugged Line plug Sealing rubber Fig. 1/8: Connecting the power supply cable to the Rugged Line plug 1-27 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 42: Sealing Unused Connections In The Rugged Line Plug

    1.5.2 Sealing unused connections in the Rugged Line plug Note Seal unused connections in the Rugged Line plug. • Use only sealing rubber which has not been broken • through. You can then be sure of complying with protection class IP65/67. 1-28 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 43 Quickon screw with the fibre cutter (see Fig. 1/9, diagram C or Fig. 1/10, diagram C). 2 3 4 Quickon screw Sealing rubber Clamping box Splice ring Fig. 1/9: Sealing a non-used power supply connection 1-29 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 44 1. Installation Quickon screw Sealing rubber Clamping box Splice ring Fig. 1/10: Sealing a non-used fibre optical waveguide connection 1-30 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 45: Commissioning

    Commissioning Chapter 2 Commissioning Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 46 ..........2-38 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 47: Configuration And Addressing

    I/Os. Note – The maximum possible extension to the CPX terminal with Interbus bus node is limited to 96 inputs and out- puts. The I/Os will be assigned automatically within the CPX ter- minal. Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 48 Tab. 2/1: Number of available inputs and outputs The I/Os will be assigned automatically within the CPX ter- minal. The address assignment within the individual modules can be found in the manual for the relevant module. Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 49 Module identifiers on the handheld, on I/O modules these are shown in the viewing window. The diagnostics mode is activated by DIL switch 5 and 6 (see Tab. 1/4). Tab. 2/2: Overview of identifiers and addresses of the electric modules (part 1) Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 50 Tab. 2/4: Overview of identifiers and addresses of pneumatic modules The complete address range of the I/Os including diagnosis always contains an equal number of inputs and outputs. Tip: Copy the following table for further calculations. Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 51 Sum total of inputs/outputs to be configured Greater value (inputs or outputs) from 9: _____ I/O The maximum number of the available I/Os from Tab. 2/1 must not be exceeded. Tab. 2/5: Ascertaining the number of inputs and outputs Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 52: Address Assignment Of The Cpx Terminal

    (including valves): – For diagnostics mode 3: 16 diagnostic bits followed by the input bits from the next word. – For diagnostics mode 4: 32 diagnostic bits followed by the input bits from the next word. Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 53 There are two modes: – In the Siemens mode the lower-value input or output byte (byte n) is mapped on inputs or outputs 0 ... 7, byte n+1 on the next inputs or outputs (8 ... 15) etc. Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 54 The address assignment within the individual I/O modules can be found in the manual for the I/O modules. The address assignment within the pneumatic modules can be found in the manual for the valve terminal pneumatics. 2-10 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 55 8DI 8DO: multi I/O module always assigned in the following ex- amples. VTSA… pneumatic interface with the number of outputs set by DIL switches, here with 16 O Fig. 2/1: Identification of the modules in the examples 2-11 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 56 OB 21 Siemens mode: OB 23 OB 22 OB 21 OB 20 Standard mode: IB = input byte; OB = output byte; diagnostics optional Fig. 2/2: Example 1 – byte assignment in Siemens and Standard modes 2-12 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 57 2. Commissioning Address assign- ment in Siemens mode 8DI 8DO 8DI 8DO Address assignment in Standard mode Diagnostics optional Fig. 2/3: Example 1 – address assignment in Siemens and Standard modes 2-13 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 58 OB 21 Siemens mode: OB 23 OB 22 OB 21 OB 20 Standard mode: IB = input byte; OB = output byte; diagnostics optional Fig. 2/4: Example 2 – byte assignment in Siemens and Standard modes 2-14 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 59 OB 23 Siemens mode: OB 21 OB 20 OB 23 OB 22 Standard mode: IB = input byte; OB = output byte; diagnostics optional Fig. 2/5: Example 3 – byte assignment in Siemens and Standard modes 2-15 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 60: Address Assignment After Extension/Conversion

    – Additional VTSA... manifold sub-bases are inserted between existing bases. – The configured addresses of the pneumatic interface are modified. Note If the configuration is modified, the addresses of diagnostics M3 or M4 may also be shifted if necessary! 2-16 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 61 Siemens mode: OB 23 OB 22 OB 25 OB 24 OB 21 OB 20 Standard mode: IB = input byte; OB = output byte; diagnostics optional Fig. 2/6: Byte assignment of a CPX terminal after extension/conversion 2-17 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 62 2. Commissioning Address assign- ment in Siemens mode 8DI 8DO 8DI 8DO 4DO 16 O Address assignment in Standard mode Diagnostics optional Fig. 2/7: Address assignment of a CPX terminal after extension/conversion 2-18 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 63: Bus Configuration And Addressing

    Configuration of the CPX terminal demands a very accurate procedure, as different configuration specifications are some- times necessary for each slave on the Interbus, due to the modular structure. Note here the specifications in the sec- tions which follow. 2-19 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 64: Switching On The Power Supply

    Alternatively switch on the power supply in the following sequence: 1. First the power supply for all the fieldbus slaves, 2. then the power supply for the controller. 2-20 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 65: Bus Configuration With The Cmd Software

    Note that software packages are often updated, so that modifications to the software may not yet be taken into account in this manual. The examples used here for the screen displays have been taken from CMD software version 4.50. 2-21 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 66 Inserting with Ident. code Proceed as follows: 1. Click on the module with the right-hand mouse button. 2. Select the command “Insert with ID code...” in the context menu. Fig. 2/8: Inserting bus slaves with Ident. code 2-22 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 67 3. Enter the ID code and the size of the processing data channel. Information on this can be found on the following page. 4. Select the entry “Remote bus device” under “Device Type” for the CPX terminal. 5. Accept these entries with OK. 2-23 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 68 (16, 32, 48, 64, 80 or 96). – If the number of input bits differs from the number of output bits, the greater number is in each case decisive for the entry of the process data channel bits . 2-24 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 69 7. Interface type: Interface type “Universal” is preset. This setting can be accepted. Alternatively, by actuating the “Interface Type” button you can open a dialogue window in which you can set the type “Remote bus”. 2-25 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 70 Copy the file “CPX-21.ico” into the CMD directory • \PICTURE\. Actuate the “Select ...” button in the “Presentation” • dialogue window. Select the entry “Icons (*.ico)” under “File type”. • Fig. 2/11: Dialogue window “Change Icon Collection” 2-26 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 71 • Fig. 2/12: Dialogue window “Presentation” for selecting an icon Accept your selection with OK. • When all entries have been made, the CPX terminal will be integrated in your bus structure as follows (example): 2-27 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 72 2. Commissioning Fig. 2/13: Example – inserted CPX terminal 2-28 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 73: Bus Configuration Without Cmd Software

    – Please note the following: Diagnostics mode 3 occupies an additional 16 inputs. Diagnostics mode 2 and 4 occupy an additional 32 inputs. – Assign logical IN and OUT addresses to each slave. 2-29 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 74: Process Data Entry Via The Cmd Software

    Proceed as follows: 1. Insert a CPX terminal into your bus structure (necessary steps see section 2.1.6 “Bus configuration with the CMD software”). 2. Select the command “Process Data” in the context menu of the CPX terminal. 2-30 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 75 2. Commissioning Fig. 2/14: Open the dialogue window “Process Data” 2-31 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 76 In this way you can adapt the I/Os of the CPX terminal to the PLC used. The following diagram shows the byte-by-byte assignment for a Siemens S7: Fig. 2/15: Enter process data – Example for “Siemens mode” 2-32 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 77 The following dialogue window shows the entries required for swapping the assignment of the high byte and the low byte (example: byte swap for “Standard mode”). Fig. 2/16: Modification of the I/O assignment (byte swap) – Example for “Standard mode” 2-33 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 78: Parameterisation

    A description of the functions of the individual parameters can be found in the CPX system manual. Which module parameters are available for the various modules can be found in the manual for the relevant module (e.g. manual for CPX I/O modules (P.BE-CPX-EA-...)). 2-34 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 79 CPX terminal is replaced during servicing. In these cases, check before replacement to see which settings are required and carry out these settings. 2-35 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 80 (plain text). lost if the CPX terminal is replaced. – Access via remote maintenance is not possible. Tab. 2/7: Parameterisation concepts Further instructions on the procedure for parameterisation can be found in the sections which follow. 2-36 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 81 CPX terminal after Power ON. Note If the system parameter “System start” has the setting “System start with saved parametrisation and saved CPX expansion”, modified parameter settings in the CPX ter- minal will become valid immediately after Power ON. 2-37 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 82: Commissioning The Cpx Terminal On The Interbus

    This is to en- sure that if the CPX terminal is replaced, the new terminal will also be operated with the desired parameter settings. Carry out spot checks if necessary to check parameterisa- • tion with the handheld. 2-38 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 83: Fail Safe

    CPU and the Interbus module will be synchronized. This is to prevent 0-signals from being incorrectly transmitted via the Interbus. Otherwise, useful Fail Safe treatment or pro- gramming would not be possible. 2-39 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 84 2. Commissioning 2-40 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 85: Diagnostics And Error Handling

    Diagnostics and error handling Chapter 3 Diagnostics and error handling Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 86 ..........3-21 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 87: Diagnostics And Error Handling

    (see section 3.3.2). Note Note that the diagnostic information displayed can be de- pendent on the DIL switch settings on the bus node, as well as on the parameterisation of the CPX terminal. Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 88: Diagnostics Via Leds

    – RC (green) – BA (green) – RD (yellow) – FO1 (yellow) – FO2 (yellow) CPX-specific LEDs: – SF (red) – US1 (green) – US2 (green) – M (yellow) Fig. 3/1: LEDs on the CPX bus node CPX-M-FB20/CPX-M-FB21 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 89 Diagnosis of the load voltage supply (outputs/valves) Parameterisation modified/forcing active Tab. 3/2: Meaning of the LEDs Possible LED displays on the node for the operating status of the valve terminal are shown in the table below. Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 90: Normal Operating Status

    Operating status All green LEDs light up: Normal – UL – RC – BA – US1 – US2 Red and yellow LEDs do not light up: – RD – FO1 – FO2 – SF – M Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 91: Cpx-Specific Leds

    No error. Load voltage None applied illuminates Load voltage at the system Eliminate undervoltage supply or additional supply outside the tolerance LED flashes range Load voltage is not applied. Check load voltage connection LED is off Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 92 The system fault LED flashes depending on the class of fault which has occurred. Fault class 1 (simple fault): 1 * flash, pause Fault class 2 (fault): 2 * flash twice, pause Fault class 3 (serious fault): 3 * flash three times, pause Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 93 System start (LED lights up). The LED M is intended for several functions (see also under Interbus-specific LEDs). The status which is shown takes place in the following sequence: 1. Force active 2. Parameters saved remanently Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 94: Interbus-Specific Leds

    Eliminate bus fault • the Interbus Reset module • – Module Acknowledge error LED flashes • initiates ID cycles Start data transmission No data transmission on Module not in status “Run”. the Interbus LED is off 3-10 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 95 – In the “Bus active” status: Incoming fibre optic cable length bad or the system reserves are not reached. FOC-length OK – LED is off 3-11 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 96 – In the “Bus active” status: Outgoing fibre optic cable length bad or the system reserves are not reached. FOC-length OK – LED is off 3-12 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 97: Diagnosis Via Interbus

    Diagnostics mode 2 … 4 (system diagnostics) – Peripheral errors 3.3.1 Diagnostics mode 2 … 4 (system diagnostics) The bus node CPX-M-FB20/21 has four diagnostic modes, which are activated via DIL switches 5 and 6 (see Tab. 1/4). The following diagnostic modes are available: –...
  • Page 98 DI module 3 (channel 8 ... 15) DI module 4 (channel 0 ... 7) DI module 4 (channel 8 ... 15) 1) See Tab. 3/6 to Tab. 3/9 Tab. 3/3: Example of a process image with diagnostic mode 2 3-14 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 99 DI module 4 (channel 0 ... 7) DI module 4 (channel 8 ... 15) General diagnostics 1 General diagnostics 2 1) See Tab. 3/6 to Tab. 3/9 Tab. 3/4: Example of a process image with diagnostic mode 3 3-15 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 100 DI module 4 (channel 8 ... 15) General diagnostics 1 General diagnostics 2 Valve diagnostics 1 Valve diagnostics 2 1) See Tab. 3/6 to Tab. 3/9 Tab. 3/5: Example of a process image with diagnostic mode 4 3-16 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 101 Undervoltage diagnostics 1 Bit 5 US1 > approx. 18 V US1 < approx. 18 V Fixed value Bit 6 fixed Undervoltage diagnostics 2 Bit 7 The threshold is dependent on the connected mod- ules. Tab. 3/6: General diagnostics 1 3-17 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 102 No fault Fault Fault in module 6 Bit 5 No fault Fault Fault in module 7 Bit 6 No fault Fault Fault in module 8 Bit 7 No fault Fault Tab. 3/7: General diagnostics 2 3-18 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 103 2. If the outputs are not set, coil 12 or coil 14 registers open load 3. If one of the two outputs is set, then it can not be distinguished between short circuit and open load. Tab. 3/8: Valve diagnostics 1 3-19 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 104 2. If the outputs are not set, coil 12 or coil 14 registers open load 3. If one of the two outputs is set, then it can not be distinguished between short circuit and open load. Tab. 3/9: Valve diagnostics 2 3-20 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 105: Peripheral Fault (Pf)

    DIL switch setting on the bus node. The system is not stopped due to peripheral faults. You can define the reaction to peripheral faults in the user program. A peripheral fault is also quitted in the user program. 3-21 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 106: Error Handling

    PLC stop or fieldbus interruption or malfunction: – Single-solenoid valves move to the basic position. – Double-solenoid valves remain in the current position. – Mid-position valves move to the mid position (depending on the valve type: pressurised, exhausted or blocked) 3-22 Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 107: Technical Appendix

    Technical appendix Appendix A Technical appendix Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 108 ..........Technical data for fieldbus node type CPX-M-FB20/CPX-M-FB21 .

  • Page 109: Technical Appendix

    A. Technical appendix Technical data for fieldbus node type CPX-M-FB20/CPX-M-FB21 General General technical data See CPX system manual: – Description P.BE-CPX-SYS-... Temperatures – Operation -5 °C ... +50 °C – Storage/transport -20 °C ... +70 °C Protection class as per EN 60 529,...
  • Page 110 200 mA + total current consumption of inputs, internal – Fuses for supply to inputs/sensors 2 A, slow-blowing – Intrinsic current consumption of CPX-M-FB20/21 at 24 V (internal electronics) 90 mA Power consumption (P) P[W] = (0.5 A + ∑ I ) ⋅ 24 V –...
  • Page 111 660 μm Line length – Between 2 remote bus stations 1 - 50 m – System reserve 3 dB Plug connector Rugged Line plug obtainable from Phoenix Contact GmbH Tab. A/4: Technical specifications for the fieldbus Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 112: Phoenix Contact Accessories

    Measuring unit PSM-FO-POWERMETER Measuring unit adapter IBS RL ADAP-FO Tab. A/5: Accessories from Phoenix Contact Source of supply: Phoenix Contact Deutschland GmbH Postfach 1341 D-32825 Blomberg, Germany http://www.phoenixcontact.com Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 113: Accessories

    A. Technical appendix Accessories The following table provides an overview of necessary and useful accessories for the bus node CPX-M-FB20 or CPX- M-FB21. Accessory Type Designation Description ISK-M12 PROTECTIVE CAP Protective cap for sealing the service interface for the handheld or the “Out”...
  • Page 114 A. Technical appendix Festo P.BE-CPX-FB20/21-EN en 1202a...

  • Page 115: Index

    Index Appendix B Index Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 116 ............Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 117 ........Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 118 ....Peripheral fault (PF) ......3-21 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 119 Switching on ........2-20 Festo P.BE-CPX-FB20/21-EN en 1202a...
  • Page 120 B. Index Festo P.BE-CPX-FB20/21-EN en 1202a...

This manual is also suitable for:

Cpx-m-fb21

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