EUCHNER EKS Manual
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EUCHNER EKS Manual

Electronic-key-system adapter with usb interface
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Electronic-Key-System
Manual
Electronic-Key Adapter EKS and EKS FSA
with USB Interface
Order No. 094 485

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Summary of Contents for EUCHNER EKS

  • Page 1 Electronic-Key-System Manual Electronic-Key Adapter EKS and EKS FSA with USB Interface Order No. 094 485...

  • Page 2: Table Of Contents

    4.3 Connector assignment ......................... 13 4.3.1 USB interface socket........................ 13 4.3.2 Screw terminals of switching contacts LA1/LA2 and LB1/LB2 (only EKS FSA) ...... 13 4.4 DIP switch settings ..........................13 4.5 LED indicator ............................13 5 Mounting ..............................14 6 Electrical connection ..........................15 6.1 USB connection ...........................
  • Page 3 Manual EKS Electronic-Key Adapter USB 8.2 Communication ............................ 36 8.3 Basic message structure........................37 8.3.1 Special features of the 3964R data transfer protocol [1] ............37 8.4 Commands for writing and reading a read/write Electronic-Key ............39 8.4.1 Write process ........................... 40 8.4.2...

  • Page 4: General Notes

    General notes Use of the manual This manual describes the technical features and the function of the EKS Electronic-Key adapter EKS-A-IUX-G01-ST01 with USB interface (order no. 092 750) as well as the version EKS-A-IUXA-G01-ST01/04, EKS For Safety Applications (EKS FSA, order no. 098 513). The complete evaluation and interface electronics for data transmission are integrated into these units.

  • Page 5: Abbreviations

    Universal Serial Bus  ZVZ ZeichenVerzugsZeit (character delay time) CE conformity The EKS Electronic-Key adapters with USB interface conform to the EMC directive 2004/108/EG (2004/108/EC, 2004/108/CE). The Electronic-Key adapters comply with the following European/international standards:  EN 55011 Industrial, scientific and medical equipment - Radio-frequency disturbance characteristics - Limits and methods of measurement ...

  • Page 6: Correct Use

    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 7: Obligation On The Operating Organization

     other documentation referred to in this manual. 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 8: 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 9: 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 PC-based control systems or parts of control systems 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 10: Additional Functions Of The Version Eks Fsa

    Electronic-Key (see Figure Block diagram EKS FSA). Figure: 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 device in safety-related applications. Integrated voltage monitoring switches off the switching contacts LA and LB if the power supply drops below 4.5 V or exceeds 5.5 V.

  • Page 11: Technical Data

    Dimension drawing of Electronic-Key adapter 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-IUX-G01-ST01 with USB interface 4.1.2 Version EKS-A-IUXA-G01-ST01/04 (EKS FSA) with USB interface 094485-04-11/13 Subject to technical modifications...

  • Page 12: Technical Data, Electronic-Key Adapter

    Manual EKS Electronic-Key Adapter USB Technical data, Electronic-Key adapter Attention! All the electrical connections must either be isolated from the mains supply by a safety transformer according to EN IEC 61558-2-6 with limited output voltage in the event of a fault, or by other equivalent isolation measures.

  • Page 13: Connector Assignment

    4.3.1 USB interface socket The socket on the Electronic-Key adapter is designed as USB type B. 4.3.2 Screw terminals of switching contacts LA1/LA2 and LB1/LB2 (only EKS FSA) Information! The coded plug for the connection of the switching contacts is included with the Electronic-Key adapter.

  • Page 14: Mounting

    Manual EKS Electronic-Key Adapter USB 5 Mounting Warning! Mounting must be performed only by authorized personnel. Attention! To achieve the degree of protection IP 67, it is necessary to install the 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 ... 0.35 Nm.

  • Page 15: Electrical Connection

    FSA) 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 switching contacts LA1/LA2 and LB1/LB2.

  • Page 16: Connection Example With Enabling Switch (Cat. 3/Pl D)

    The danger area on a machine is secured with a fence. To make set-up work on the machine possible with the safety door open, an EKS FSA system is integrated in conjunction with a control system, an enabling switch and a safety relay.
  • Page 17 The power contactor must have positively driven contacts. 6.2.1.3 Start The safety relay start is given after enabling by the EKS FSA and by the control system, and after operation of the enabling switch. 094485-04-11/13...
  • Page 18 Manual EKS Electronic-Key Adapter USB 6.2.1.4 Circuit diagram Figure: Circuit diagram with enabling switch Page 18/44 Subject to technical modifications 094485-04-11/13...

  • Page 19: 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 safety door 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: ...
  • Page 20 The power contactor must have positively driven contacts. 6.2.2.3 Start The safety relay start is given after enabling by the EKS FSA and by the control system, and after operation of the start button. Page 20/44...
  • Page 21 Manual EKS Electronic-Key Adapter USB 6.2.2.4 Circuit diagram Figure: Circuit diagram without enabling switch 094485-04-11/13 Subject to technical modifications Page 21/44...

  • Page 22: Setup

    (see section 5 Installation and section 6 Electrical connection). 3. After connecting the USB connection cable and installation of the EKS USB drivers, the LED on the front of the Electronic-Key adapter illuminates green. This indicates that the power supply is present.
  • Page 23 Manual EKS Electronic-Key Adapter USB  Click on Next.  When this message is displayed, click on Continue Anyway.  The EKS USB driver is installed. 094485-04-11/13 Subject to technical modifications Page 23/44...
  • Page 24 Manual EKS Electronic-Key Adapter USB  Click on Finish. After the installation of the EKS USB driver, a virtual COM port driver must be installed. The following message appears:  The Found New Hardware Wizard is started automatically:  Click on Next.
  • Page 25 Manual EKS Electronic-Key Adapter USB  When this message is displayed, click on Continue Anyway.  The virtual COM port driver is installed.  When the installation process is complete, the following is displayed:  Click on Finish. 094485-04-11/13 Subject to technical modifications...

  • Page 26: Installation Of The Eks Usb Drivers Under Windows 7

     For installation from zip file, extract it to a folder of the computer now (e.g. to C:\Temp\) or alternatively  For installation from CD, insert the CD now. In the routine described in the following, first a driver for the EUCHNER Electronic-Key-System USB is installed and then a driver for the virtual serial COM port. Information! The user must be logged on as an administrator in order to install or uninstall the drivers.
  • Page 27 Manual EKS Electronic-Key Adapter USB  Find the entry EUCHNER Electronic-Key- System USB. Right-click on the entry and select Update Driver Software…  Select Browse my computer for driver software For installation from folder:  Enter the path to the folder containing the drivers.
  • Page 28 Manual EKS Electronic-Key Adapter USB For installation from CD:  Select the drive. Also tick the Include subfolders check box.  Click on OK and Next  Confirm the Windows security message with Install this driver software anyway The driver software for EUCHNER Electronic-Key-...
  • Page 29 Manual EKS Electronic-Key Adapter USB An entry now appears in the list of USB controllers: EUCHNER Electronic-Key-System USB Information! This entry is visible only if the Electronic-Key adapter is inserted. The virtual serial COM port driver is additionally installed in the second step.
  • Page 30 Manual EKS Electronic-Key Adapter USB  Select Browse my computer for driver software For installation from folder:  Enter the path to the folder containing the drivers. Also tick the Include subfolders check box.  Click on Next For installation from CD: ...
  • Page 31 Manual EKS Electronic-Key Adapter USB The driver software for EUCHNER Electronic-Key- System USB (COM#) (virtual serial COM port) will be installed, and the following message will appear after completion: Windows has successfully updated your driver software.  Close this window.

  • Page 32: Changing The Virtual Com Port And Driver Version Information Under Windows

    Manual EKS Electronic-Key Adapter USB Changing the virtual COM port and driver version information under ® Windows Information! To be able to change a COM port number, you must be logged on as an administrator. Information! This is possible only if an Electronic-Key adapter is inserted.
  • Page 33 Manager. Now unplug the USB cable and plug it back in again. This activates the change. Information! The EKS communicates with the user software over the COM port selected here. Information! This COM port also must be selected in the ActiveX module, for example.

  • Page 34: Uninstalling The Eks Usb Drivers Under Windows

    Manual EKS Electronic-Key Adapter USB ® Uninstalling the EKS USB drivers under Windows Information! The user must be logged on as an administrator in order to uninstall the EKS USB drivers. Information! This is possible only if an Electronic-Key adapter is inserted. ®...
  • Page 35 Manual EKS Electronic-Key Adapter USB  Confirm the uninstalling process for the EUCHNER Electronic-Key-System USB (COM#) by ticking the check box Delete the driver software for this device  Click on OK  Find the following entry in the list of USB controllers: EUCHNER Electronic-Key-System USB.

  • Page 36: Operating The Electronic-Key-System With The Aid Of The Virtual Com Port

    ActiveX module (order no. 098 708) (usable for MS Windows based programs with  ActiveX capability). EKS can thus be used in conjunction with process visualization. The ActiveX module is used as a protocol driver for the 3964R data transfer protocol described in the following.

  • Page 37: Basic Message Structure

    Manual EKS Electronic-Key Adapter USB Basic message structure Every command and any related data blocks are transferred from and to the Electronic-Key adapter in a message core within the message frame as per the protocol 3964R (Figure 1: Basic command structure in the 3964R protocol).
  • Page 38 Manual EKS Electronic-Key Adapter USB 8.3.1.2 The 3964R transfer protocol [1] Unlike protocol-free data transfer procedures, 3964R is a data transfer with protocol. This means that the actual data that need to be transferred are enclosed in specific control characters. The 3964R driver permits comparatively reliable data transfer as the recipient must signal to the sender readiness to receive (connection setup) and acknowledge correct reception after completion of the data transfer.

  • Page 39: Commands For Writing And Reading A Read/Write Electronic-Key

    Manual EKS Electronic-Key Adapter USB When the control system detects the character string DLE ETX BCC, it ends reception. The control system compares the block check character BCC with the longitudinal parity calculated internally. If the block check character is correct and no other reception errors have occurred, the control system sends the control character DLE.

  • Page 40: Write Process

    (message core, PC→ EKS, see Figure 2):  TP (device addr.) (start addr. user data) (number of bytes of user data) (user data) Reply message (message core, EKS → PC, see Figure 3):  RF (device addr.) (00 , 00...

  • Page 41: Read Process

    (message core, PC→ EKS, see Figure 4):  TL (device addr.) (start addr. user data) (number of bytes of user data) Reply message (message core, EKS → PC, see Figure 5 or Figure 6): For this command there are two possible replies: ...

  • Page 42: Reading The Serial Number

    Manual EKS Electronic-Key Adapter USB 8.4.3 Reading the serial number The read/write Electronic-Key contains a unique 8-byte serial number. This number is written by laser during the Electronic-Key production process and can never be changed or deleted. The serial number is used for secure distinction of every single Electronic-Key.

  • Page 43: Exclusion Of Liability

     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 44 ® ® Microsoft Windows and ActiveX registered trademarks of Microsoft Corporation 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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