EUCHNER EKS Manual
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EUCHNER EKS Manual

Electronic-key-system, electronic-key adapter and with profibus-dp interface
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Electronic-Key-System
Manual
Electronic-Key Adapter EKS and EKS FSA
with Profibus-DP Interface
Order No. 092 009

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Summary of Contents for EUCHNER EKS

  • Page 1 Electronic-Key-System Manual Electronic-Key Adapter EKS and EKS FSA with Profibus-DP Interface Order No. 092 009...

  • Page 2: Table Of Contents

    4.2 Technical data, Electronic-Key adapter....................12 4.3 Pin assignment ............................13 4.3.1 Socket, Profibus-DP.........................13 4.3.2 Plug-in screw terminals for power supply ................13 4.3.3 Plug-in screw terminals for outputs LA1/LA2 and LB1/LB2 (EKS FSA only)......13 4.4 DIP switch settings..........................14 4.5 LED indicator ............................14 4.6 Profibus-DP............................15 Specification for bus cables .........................15...
  • Page 3 Manual EKS Electronic-Key Adapter Profibus-DP 6.3 Connection of function earth........................18 6.4 Connection of the switched outputs (for EKS FSA only) ..............18 6.4.1 Connection example with enabling switch ................19 6.4.2 Connection example without enabling switch ................22 7 Setup................................25 8 Operation on the Profibus-DP........................26 8.1 Communication parameters (GSD file)....................26...

  • Page 4: General Notes

    1 General notes Use of the manual This manual describes the technical features and the function of the EKS Electronic-Key adapter EKS-A-IDX-G01-ST09/03 with Profibus-DP interface (order no. 084 800) as well as the version EKS-A-IDXA-G01-ST09/03/04, EKS For Safety Applications (EKS FSA, order no. 100 378). The complete evaluation and interface electronics are integrated in these units.

  • Page 5: Abbreviations

    Electronic-Key. If the selection of the operating mode is relevant for safety, this must not be performed by means of the EKS; instead an additional device must be used to select the operating mode. This is possible via the graphical user interface on the control system, for example.

  • Page 6: Obligations On The Operating Organization

    The EKS Electronic-Key adapter is not a safety component in the sense of the machinery directive. Without additional precautions the EKS Electronic-Key adapter must not be used to provide a safety function, particularly if failure or malfunction of the unit could endanger the safety or health of people in the operating area of a machine.

  • Page 7: Safety Precautions

    2 Safety precautions Warning! The EKS Electronic-Key adapter is not a safety component in the sense of the machinery directive. Without additional precautions the EKS Electronic-Key adapter must not be used to provide a safety function, particularly if failure or malfunction of the unit could endanger the safety or health of persons in the operating area of a machine.

  • Page 8: Function

    Functional description 3.1.1 Common functions of EKS Standard and version EKS FSA The EKS is used for access control and monitoring on controllers or parts of controllers for machine installations. Instead of passwords, coded Electronic-Keys are assigned. In this way unauthorized access to control and display systems is prevented to the greatest possible extent.

  • Page 9: Additional Functions Of The Version Eks Fsa

    3.1.2 Additional functions of the version EKS FSA The version EKS FSA has two additional semiconductor relay outputs (LA1/LA2 and optionally LB1/LB2) that are switched off as long as there is no Electronic-Key in the Electronic-Key adapter or if it is not possible to read the Electronic-Key.
  • Page 10 Electronic-Key (see Figure Block diagram EKS FSA). Figure 3: Block diagram EKS FSA By separately evaluating channel LA and channel LB, the EKS FSA device can be used in conjunction with a safe evaluation in safety-related applications. Integrated voltage monitoring switches off the switching contacts LA and LB if the power supply is outside the permitted tolerance (see section 4.2).

  • Page 11: Technical Data

    For installation in a control panel you must provide a cut-out 33 mm x 68 mm according to DIN 43700. 4.1.1 Version EKS-A-IDX-G01-ST09/03 with Profibus-DP interface 70,5 Front panel cut out 60,7 acc. to DIN 43700 max. 4mm DIP switch 1,5 sealing 51,5 4.1.2 Version EKS-A-IDXA-G01-ST09/03/04 (EKS FSA) with Profibus-DP interface 092009-03-10/07 Subject to technical modifications Page 11...

  • Page 12: Technical Data, Electronic-Key Adapter

    LED display Green: "Ready" (in operation) Yellow: "Electronic key active" * Red: "Error" Parameters for the outputs LA and LB (version EKS FSA only) Power supply for load U (LA, LB) Switching current per output Number of actuations of the overload...

  • Page 13: Pin Assignment

    Cond. cross-section 0.14 ... 1.5 mm² Function earth Electrically connected to the housing Tightening torque 0.22 Nm 4.3.3 Plug-in screw terminals for outputs LA1/LA2 and LB1/LB2 (EKS FSA only) Information! The coded plug for connection of the outputs is included with the Electronic-Key adapter. Channel...

  • Page 14: Dip Switch Settings

    Manual EKS Electronic-Key Adapter Profibus-DP DIP switch settings The device address 0...126 (decimal) can be set using the DIP switches S1 to S7. The device address is given by the sum of the address values on each DIP switch. Write protection can be enabled using DIP switch S8. In this way the writing of data to the Electronic-Key read/write is prevented.

  • Page 15: Profibus-Dp

    Manual EKS Electronic-Key Adapter Profibus-DP Profibus-DP Specification for bus cables A cable specified as cable type A according to EN 50170 must be used for the bus connection: Parameter Cable type A Unit Cable structure Two core twisted, screened ≤ 30...

  • Page 16: Mounting

    Manual EKS Electronic-Key Adapter Profibus-DP 5 Mounting Warning! Mounting must be performed only by authorized personnel. Warning! To achieve the degree of protection IP 67, it is necessary to install the Electronic-Key adapter in a clean, flat metal plate at least 2 mm thick and to tighten the screws with a tightening torque of 0.25 ...

  • Page 17: Electrical Connection

    Manual EKS Electronic-Key Adapter Profibus-DP 6 Electrical connection Electrical connection may only be performed by authorized personnel trained in EMC and with the device and wiring isolated. For use and operation as per the requirements, a power supply for use in class 2 circuits must be used.

  • Page 18: Connection Of Power Supply

    Connection of the switched outputs (for EKS FSA only) Warning! Incorrect connection or errors in the safety-related integration of the EKS FSA can lead to fatal injury. For this reason, observe the following safety aspects: It is not possible to generate a safe signal by using only the switched outputs LA1/LA2 and LB1/LB2.

  • Page 19: Connection Example With Enabling Switch

    The danger area on a machine is secured with a fence. To make set-up work on the machine possible with the guard open, an EKS FSA system is integrated in conjunction with a control system, an enabling switch and a safety relay.
  • Page 20 The power contactor must have positively driven contacts. 6.4.1.3 Start The safety relay start takes place after release by the EKS FSA and by the control system and after operation of the enabling switch. 092009-03-10/07...
  • Page 21 Manual EKS Electronic-Key Adapter Profibus-DP 6.4.1.4 Circuit diagram Figure 5: Circuit diagram with enabling switch 092009-03-10/07 Subject to technical modifications Page 21...

  • Page 22: Connection Example Without Enabling Switch

    The danger area on a machine is secured with a fence. To make set-up work on the machine possible with the guard open, an EKS FSA system is integrated in conjunction with a control system and a safety relay. The safety relay must comply with the following requirements: Detection of short-circuits and earth faults.
  • Page 23 The power contactor must have positively driven contacts. 6.4.2.3 Start The safety relay start takes place after release by the EKS FSA and by the control and after operation of the start button. 092009-03-10/07...
  • Page 24 Manual EKS Electronic-Key Adapter Profibus-DP 6.4.2.4 Circuit diagram Figure 7: Circuit diagram without enabling switch 092009-03-10/07 Subject to technical modifications Page 24...

  • Page 25: Setup

    Manual EKS Electronic-Key Adapter Profibus-DP 7 Setup During setup proceed as follows: Check mounting and electrical connection are correct (see section 5 Mounting and section 6 Electrical connection). Set device address on the DIP switches on the Electronic-Key adapter (see section 4.4 DIP switch settings).

  • Page 26: Operation On The Profibus-Dp

    The GSD file is available free of charge for download under order no. 092 054 on the Internet at www.euchner.de or on request. Different data field sizes are pre-defined in the GSD file for the read/write or read-only transponder type of the Electronic-Key.

  • Page 27: Parameterization Message

    The read-only transponder type cannot be used in conjunction with the version EKS FSA. The required module is selected from these pre-defined modules in the GSD file using a configuration software tool.

  • Page 28: Configuration Message

    EKS diagnostics byte The current state of the Electronic-Key adapter can be evaluated by the application via the content of the EKS diagnostics byte (byte no. 8, see section 8.4 Diagnostics message) in the diagnostics area of the bus master.

  • Page 29: Read/Write Operation In Conjunction With Electronic-Key Read/Write

    Reserve Operating mode For read/write operation always set to 0. Bit no. 5 is set on a status change in the EKS diagnostics byte (value Job status not 00 , see section 8.5). This bit can be monitored by the application.

  • Page 30: Reading/Writing Any Data Areas

    Each time an Electronic-Key is inserted, the Electronic-Key user data area from byte no. 0 defined by the parameters via the GSD file is always transferred first from the EKS to the input area of the bus master. It is then possible to read or write any data area in the next step.

  • Page 31: Reading The Serial Number

    Reserve Operating mode For read-only operation always set to 1. Bit no. 5 is set on a status change in the EKS diagnostics byte (value Job status not 00 , see section 8.5). This bit can be monitored by the application.

  • Page 32: Exclusion Of Liability

    Remove dirt from the Electronic-Key and the Electronic-Key adapter using a soft cloth and solvent-free, non-abrasive cleaning agents. Repairs must be performed only by the manufacturer. On version EKS FSA devices, the safety-related functions must be checked at regular intervals 11 Guarantee The “General Terms and Conditions” of EUCHNER GmbH + Co. KG apply.

  • Page 33: Appendix

    Manual EKS Electronic-Key Adapter Profibus-DP 13 Appendix The procedure described below is to be followed when reading or writing arbitrary data areas (see section 8.6.2). The bits for the read or write job in the command byte in the output area of the bus master must be actively set and also reset again by the application.

  • Page 34: Input Area Of The Bus Master

    Manual EKS Electronic-Key Adapter Profibus-DP Job in progress The job is now executed. The execution of the job is signaled automatically in the input area of the bus master in byte no. 0 (status byte) (see section 8.6.1) by the value 1 in bit no. 7. Once job execution has been started, bit no.

  • Page 35: Output Area Of The Bus Master

    Manual EKS Electronic-Key Adapter Profibus-DP 13.3 Output area of the bus master Figure 11: Output area of the bus master, example based on SIMATIC S7 13.4 Diagnostics area of the bus master Figure 12: Diagnostics area of the bus master, example based on SIMATIC S7...
  • Page 36 EUCHNER GmbH + Co. KG Telephone +49 711 / 75 97 - 0 Kohlhammerstraße 16 +49 711 / 75 33 16 www.euchner.de . D-70771 Leinfelden-Echterdingen info@euchner.de...

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