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Manual EKS Electronic-Key Adapter USB 

2094485-05-07/19 

Subject to technical modifications 

Page 17/34 

6  Electrical connection 

 

Attention! 

If connected incorrectly, the Electronic-Key adapter may be damaged. 

 

  Observe electrical characteristics and terminal assignment (see chapter 4)  

  When installing connections, the operating organization must ensure compliance with the EMC 

safety requirements in accordance with EN 55011 and EN 61000-6-2.  

  Do not lay connecting cables in the immediate vicinity of sources of interference. 

6.1  USB connection 

The Electronic-Key adapter interface is compatible with all USB versions. 

 

Information! 

 

  Only a USB-compatible cable with a maximum length of 3 m is allowed to be used as the 

connecting cable.  

  The Electronic-Key adapter must always be connected to the same USB port to ensure the correct 

allocation of the virtual COM port in Windows

®

-based systems.  

  If a USB hub is connected in between, or the Electronic-Key adapter must be moved, a new COM 

port allocation must be made. This action can be performed only with administrator rights (only for 
Windows

®

). 

6.2  Connection of the semiconductor switching contacts (only for EKS 

G01 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. Safe, downstream evaluation is always necessary. Use of the switching contact LB1/LB2 
is optional. 

  Safe evaluation must always be dual-channel: evaluation of switching contact LA1/LA2 as channel 

LA together with evaluation of the data line as channel LB. 

  

 

Information! 

The switching contact LA1/LA2 is used in combination with functionally safe applications. The function 
that can be evaluated in terms of safety engineering is the reliable detection that an Electronic-Key has 
not been placed.

 

 

 

Attention! 

The power is supplied via the USB connection. If the power supply drops below 4.5 V or exceeds 5.5 V, 
the switching contacts LA1/LA2 and LB1/LB2 will be switched off. 

 

 

 

Summary of Contents for EKS FSA Series

Page 1: ...Electronic Key System Manual Electronic Key Adapter EKS and EKS FSA with USB Interface Order no 2094485 USB ...

Page 2: ...10 4 1 3 Design in G30 housing EKS A IUX G30 STBM with USB interface 11 4 2 Technical data 12 4 2 1 Technical data for Electronic Key adapter in G01 housing 12 4 2 2 Technical data for Electronic Key adapter in G30 housing 13 4 3 Connector assignment 14 4 3 1 USB interface socket in G01 housing 14 4 3 2 Screw terminals of switching contacts LA1 LA2 and LB1 LB2 EKS FSA only 14 4 3 3 USB interface s...

Page 3: ...atures of the USB interface 26 8 2 Communication 26 8 3 Basic message structure 27 8 3 1 Special features of the 3964R data transfer protocol 1 27 8 4 Commands for writing and reading an Electronic Key read write 29 8 4 1 Write process 30 8 4 2 Read process 31 8 5 Command overview 32 8 6 Status numbers 32 9 Exclusion of liability 33 10 Service and repair 33 11 Guarantee 33 12 Bibliography 33 ...

Page 4: ... IUXA G01 ST01 04 order no 098513 with USB interface version FSA For Safety Applications Compact Electronic Key adapter in G30 housing EKS A IUX G30 STBM order no 157195 with USB interface 1 1 1 Explanation of symbols The following symbols are used in this manual to identify important instructions and useful information Danger Identifies an immediate hazard If not avoided the consequence will be f...

Page 5: ...to the Radio Equipment Directive RED 2014 53 EU and the RoHS Directive 2011 65 EU The devices comply with the following European standards EN 55011 Industrial scientific and medical equipment Radio frequency disturbance characteristics Limits and methods of measurement EN 61000 6 2 Electromagnetic compatibility EMC Part 6 2 Generic standards Immunity standard for industrial environments EN 50364 P...

Page 6: ...cation must be observed e g EN 60204 Safety of machinery Electrical equipment of machines EN 12100 1 Safety of machinery Basic concepts general principles for design Part 1 Basic terminology methodology EN 62061 Safety of machinery Functional safety of safety related electrical electronic and programmable electronic control systems EN ISO 13849 1 Safety of machinery Safety related parts of control...

Page 7: ...topic pay particular attention to the sections Correct use see chapter 1 4 and Electrical connection see chapter 6 Warning Mounting and electrical connection are allowed to be performed only by authorized personnel who are familiar with the applicable regulations on accident prevention and have read and understood this manual Furthermore mounting and electrical connection of the version EKS FSA mu...

Page 8: ...rotection suitable for industry from the access side The Electronic Key adapter is fastened from the rear side of the panel in order to exclude unauthorized tampering from the operator side The system is connected via the integrated USB interface that is designed as a virtual COM port in Windows based systems The power supply is also provided via the USB connection Setup and system integration can...

Page 9: ...apter or if it is not possible to read the Electronic Key The switching contacts are electrically isolated from the device electronics and from each other Either AC or DC can be switched Each of the switching contacts is operated with diversity by a dedicated processor that opens the contacts on removal of the Electronic Key see figure Block diagram EKS FSA Figure Block diagram EKS FSA Due to sepa...

Page 10: ...l data 4 1 Dimension drawing of Electronic Key adapter 4 1 1 Design in G01 housing EKS A IUX G01 ST01 with USB interface For installation in a control panel you must provide a cut out measuring 33 mm x 68 mm according to DIN IEC 61554 4 1 2 Design in G01 housing EKS A IUXA G01 ST01 04 EKS FSA with USB interface ...

Page 11: ...Manual EKS Electronic Key Adapter USB 2094485 05 07 19 Subject to technical modifications Page 11 34 4 1 3 Design in G30 housing EKS A IUX G30 STBM with USB interface ...

Page 12: ...le length 3 m LED indicator Green Ready in operation Yellow Electronic Key active Version FSA For Safety Applications parameters for floating semiconductor switching contacts LA and LB Switching contact connection Plug in connection terminal 4 pin with screw terminal tightening torque 0 22 Nm conductor cross section 0 14 1 5 mm Power supply U for load LA LB 24 30 V Switching current with overload ...

Page 13: ...nt consumption 100 mA Interface data transfer Interface to the PC USB Full Speed compatible with all USB versions Transfer protocol 3964R Data transfer rate 9 6 kbaud Data format 1 start bit 8 data bits 1 parity bit even parity 1 stop bit USB interface connection Type Mini B socket Cable length 3 m LED indicator Green Ready in operation Yellow Electronic Key active This is not an ambient temperatu...

Page 14: ...itches S1 to S8 various parameters can be set Write protection can be enabled using DIP switch S1 In this way the writing of data to the Electronic Key read write is prevented The settings are adopted only when the power supply is switched on DIP switches 8 switch 1 2 3 4 5 6 7 8 ON DIP switch Functions Factory setting S8 OFF Electronic Key read write ON Electronic Key read only OFF S7 OFF S6 OFF ...

Page 15: ...r operating states are indicated using a two color LED on the front The illumination of the LED in any color indicates the presence of the operating voltage Color Operating state Description Green Ready Electronic Key adapter is ready Yellow Electronic Key active There is an Electronic Key in the Electronic Key adapter and it has been detected ...

Page 16: ...4 1 2 The device is fastened using screw clamp elements from the rear side of the panel Information The screw clamp elements for front panel mounting are included with the Electronic Key adapter 1 Insert the Electronic Key adapter with seal already bonded in place into the mounting cut out from the front 2 Insert screw clamp elements into the housing of the Electronic Key adapter from the side up ...

Page 17: ...pter must be moved a new COM port allocation must be made This action can be performed only with administrator rights only for Windows 6 2 Connection of the semiconductor switching contacts only for EKS G01 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 g...

Page 18: ...oroughly tested 7 1 Installation of EKS USB drivers The EKS USB drivers provided are certified by Microsoft Windows Hardware Quality Labs WHQL and digitally signed These drivers are therefore distributed via Windows updates and the Microsoft Update Catalog Please proceed as follows if the EKS USB drivers do not install themselves automatically To begin installation have the driver software order n...

Page 19: ...4 Connect the EKS read write station to an unoccupied USB port on the PC using the corresponding USB cable The device is shown as an unknown device under Other devices in the Device Manager In File Explorer select the folder corresponding to the operating system architecture Run setup exe Click Next ...

Page 20: ...Manual EKS Electronic Key Adapter USB Page 20 34 Subject to technical modifications 2094485 05 07 19 The EKS USB drivers will be installed After completing installation click Finish ...

Page 21: ...ersal Serial Bus controllers The virtual serial COM port driver is displayed under Ports COM LPT The automatically assigned COM port number 3 in this example can be found in the entry EUCHNER Electronic Key System USB COM under Ports COM LPT The application can communicate with the device using this COM port Information This entry is visible only if the Electronic Key adapter is plugged in ...

Page 22: ...r to be able to change a COM port number Information This is possible only if an Electronic Key adapter is plugged in Begin by opening the Device Manager Find the entry EUCHNER Electronic Key System USB COM in the list of Ports COM LPT Select Properties from the context menu Select the Port Settings tab in EUCHNER Electronic Key System USB COM Properties When you select Advanced a window is opened...

Page 23: ... Port Number selection field Confirm with OK The change is then immediately visible and active in the Device Manager 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 The Driver tab shows the installed driver version 1 6 0 0 in this example ...

Page 24: ...ronic Key adapter is plugged in Begin the uninstalling process by opening the Device Manager Find the entry EUCHNER Electronic Key System USB COM in the Ports COM LPT list Select Uninstall device from the context menu Confirm that you wish to uninstall EUCHNER Electronic Key System USB COM by ticking Delete the driver software for this device Click Uninstall Find the entry EUCHNER Electronic Key S...

Page 25: ...ic Key Adapter USB 2094485 05 07 19 Subject to technical modifications Page 25 34 Confirm that you wish to uninstall EUCHNER Electronic Key System USB by ticking Delete the driver software for this device Click Uninstall ...

Page 26: ...ect whether there is an Electronic Key in the Electronic Key adapter 8 2 Communication This chapter primarily describes communication between a PC and the Electronic Key adapter Communication with the Electronic Key adapter is performed via a virtual COM port The commands are given over this COM port It is possible to communicate with several devices over different COM ports In principle COM 1 to ...

Page 27: ...ce address 3 01hex User data description 4 5 6 Start address Start address Number of data items User data 7 n Connection termination 3964R procedure termination DLE ETX BCC DLE NAK Figure 1 Basic command structure in the 3964R protocol 8 3 1 Special features of the 3964R data transfer protocol 1 The 3964R data transfer protocol is a comparatively reliable procedure for the electronic exchange of d...

Page 28: ...specification the process is aborted If the attempt to set up the connection is successful the characters with the user information as contained in the send buffer in the control system are transferred to the peripheral device at the selected transfer speed The peripheral device monitors the amount of time between the incoming characters The gap between two characters must not be more than the cha...

Page 29: ...s sent to assure data integrity The block check character BCC is the even longitudinal parity XOR operator on all data bytes of a block sent or received The block check character is formed starting with the first byte of the message core after the connection is set up and ends after the characters DLE and ETX during connection termination Retries on errors If an error occurs for any reason during ...

Page 30: ...ntents ASCII hexadecimal decimal 0 Number of message bytes 0B 7B 11 123 1 2 Command identification T P 54 50 84 80 3 Constant 01 1 4 5 Start address for the user data 00 00 70 0 0 112 6 Number of bytes of user data 04 74 4 116 7 122 User data ASCII or hexadecimal or BCD code transparent Figure 2 Command message Write Electronic Key read write message core Byte no Description Contents ASCII hexadec...

Page 31: ... Command identification T L 54 4C 84 76 3 Constant 01 1 4 5 Start address for the user data 00 00 74 0 0 116 6 Number of bytes of user data 01 7C 1 124 Figure 4 Command message Read Electronic Key read write message core Byte no Description Contents ASCII hexadecimal decimal 0 Number of message bytes 08 83 8 131 1 2 Command identification R L 52 4C 82 76 3 Constant 01 1 4 5 Start address for the u...

Page 32: ...2hex Electronic Key not in the operating distance 03hex Parity bit error on read only Electronic Key 06hex Write process interrupted Start address or number of bytes is not a multiple of the block size 4 17hex Read attempt when the Electronic Key adapter is set to Electronic Key read write and a read only Electronic Key is inserted 18hex Read attempt when the Electronic Key adapter is set to read ...

Page 33: ...irs are to be made 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 12 Bibliography 1 SIEMENS AG manuals connection components for S7 control systems Automation system S7 300CPU Data CPUs 312C to 314C 2DP PtP Only RS422 485 Point to point coupling CP 340 SI...

Page 34: ...H Co KG Phone 49 711 75 97 0 Kohlhammerstraße 16 Fax 49 711 75 33 16 D 70771 Leinfelden Echterdingen www euchner com info euchner de Microsoft Windows and ActiveX are registered trademarks of Microsoft Corporation ...

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