EUCHNER ActiveX Module serial-USB User Manual

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Electronic-Key-System

Manual

Software ActiveX

Order No. 098 655

Module serial / USB

Manual EKS ActiveX® Module serial / USB

Table of contents

1 General notes...............................................................................................................................................4

1.1 Use of the manual..................................................................................................................................4

1.2 Explanation of symbols..........................................................................................................................4

1.3 Requirements on the user .....................................................................................................................4

1.4 System requirements.............................................................................................................................4

2 Support information, installing and uninstalling .....................................................................................5

3 The EKS ActiveX® module ..........................................................................................................................6

3.1 EKS type library .....................................................................................................................................6

3.2 EKS control ............................................................................................................................................6

3.3 Overview of the methods, properties and events in the EKS ActiveX® module ....................................7

3.4 Methods .................................................................................................................................................8

3.4.1 Open ..........................................................................................................................................8

3.4.2 Close ..........................................................................................................................................8

3.4.3 Read...........................................................................................................................................8

3.4.4 Write...........................................................................................................................................8

3.4.5 getData.......................................................................................................................................9

3.4.6 setData.......................................................................................................................................9

3.5 Properties.............................................................................................................................................10

3.5.1 BaudRate .................................................................................................................................10

3.5.2 Port...........................................................................................................................................10

3.5.3 KeyType ...................................................................................................................................10

3.5.4 LastState (ReadOnly) ..............................................................................................................11

3.5.5 StartAdress ..............................................................................................................................12

3.5.6 CountData ................................................................................................................................12

3.5.7 BlockSize .................................................................................................................................13

3.5.8 PollingTime ..............................................................................................................................13

3.5.9 Opening....................................................................................................................................13

3.5.10 Reading....................................................................................................................................13

3.5.11 Writing......................................................................................................................................14

3.5.12 KeyState...................................................................................................................................14

3.5.13 Version.....................................................................................................................................14

3.5.14 Data..........................................................................................................................................14

3.5.15 Debug.......................................................................................................................................15

3.6 Constants.............................................................................................................................................15

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Manual EKS ActiveX® Module serial / USB

3.7 Events ..................................................................................................................................................16

3.7.1 OnKey ......................................................................................................................................16

3.7.2 OnRead....................................................................................................................................16

3.7.3 OnWrite ....................................................................................................................................16

4 Examples....................................................................................................................................................17

4.1 Establishing connection with the EKS Electronic-Key adapter............................................................17

4.2 Example event call in Visual Basic®....................................................................................................18

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Manual EKS ActiveX® Module serial / USB

1 General notes

This ActiveX® module supports the integration of the Electronic-Key-System (EKS) Electronic-Key adapter with serial and USB interface into your PC application. EKS can thus be used, e. g., in conjunction with process visualization software. Data communication is in accordance with transfer protocol 3964R. The ActiveX is used here as a protocol driver.

With the aid of the EKS ActiveX EUCHNER Electronic-Key-System (EKS) from programming environments that support ActiveX Microsoft Visual Basic

) or user programs (e. g. Microsoft Excel®). For this purpose the ActiveX® module must

module, communication can be straightforwardly established with the

be installed and integrated into the related programming environment.

1.1 Use of the manual

This manual explains the functions of the EKS ActiveX® module (order no. 098 708), from version 1.0.3.0.

The manual does not apply to earlier software releases or the previous version of the EKS ActiveX (order no. 084 708).

1.2 Explanation of symbols

(e. g.

module

The following symbols are used in this manual to identify important instructions and useful information:

Information! Important information is provided to the user here.

Attention! Risk of loss of data.

1.3 Requirements on the user

To be able to use the EKS ActiveX® module correctly, you must have knowledge of the utilization of ActiveX® modules. To be able to straightforwardly integrate the EKS hardware into your overall system, you must have read and understood the manual for the Electronic-Key adapter.

1.4 System requirements

Hardware: Standard PC, no special requirements

Software: If you use an EKS Electronic-Key adapter with USB interface, the

EKS-USB driver (order no. 094 376) from version 1.3.0.0 must be installed on the system.

Operating system: Windows

Windows

7 32-Bit

7 64-Bit

Server 2008 32-Bit

Server 2008 64-Bit

Server 2008 R2 64-Bit

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Manual EKS ActiveX® Module serial / USB

2 Support information, installing and uninstalling

To be able to use the EUCHNER EKS serial ActiveX® module, you must first install it. Execute the corresponding installation file, depending on the the present operating system.

 For Windows

Information! During the installation you will be prompted to enter an installation folder. Once the installation is complete this folder will contain:

 the ActiveX

 this manual in Acrobat PDF format

The installation CD contains:

 the programs EKS_ActiveX_Module.msi and EKS_ActiveX_Module_x64.msi

 this manual in Acrobat PDF format

 programming examples for various programming environments

To uninstall the ActiveX

32-Bit: EKS_ActiveX_Module.msi

64-Bit: EKS_ActiveX_Module_x64.msi

module

module or to obtain support information, proceed as follows:

1. In the operating system select Settings | Control Panel | Add/Remove Programs.

2. In the list of programs installed select the entry EUCHNER EKS ActiveX Module. You can also display support information here.

Information! Always have the support information at hand when contacting EUCHNER.

3. To uninstall, click Change/Remove and follow the instructions in the uninstall dialog box.

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Manual EKS ActiveX® Module serial / USB

3 The EKS ActiveX® module

3.1 EKS type library

 Description EUCHNER EKS ActiveX module

 Library EKSLib

 File name eks.ocx

 GUID { 62A51CD4-76C1-453D-B258-804D12988851 }

 Control EKS

3.2 EKS control

 Control name EKS

 File name eks.ocx

 GUID { 64CAE8A8-3CB8-4929-A90F-57499A6E83F3 }

 Properties 15

 Events 3

 Methods 4

Before you can use the EKS ActiveX To use an application that makes use of the ActiveX

module in your application, you must add the file eks.ocx to your project.

module, you must install the module on your computer.

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3.3 Overview of the methods, properties and events in the EKS ActiveX®

module

The EKS ActiveX® module contains methods, properties and events that can be integrated into your programming environment.

 Methods are used for establishing the connection and transferring data between the user program and the

EKS Electronic-Key adapter.

 Properties are used for settings, reflect states and contain data read from the Electronic-Key or that are to

be written to the Electronic-Key.

 Events report the completion of a method or signal an event (e. g. Electronic-Key inserted).

All methods, properties and events for the EKS object are listed in the following table.

Methods Section

Open 3.4.1 Open Close 3.4.2 Close Read 3.4.3 Read Write 3.4.4 Write

Properties Section

BaudRate 3.5.1 BaudRate Port 3.5.2 Port KeyType 3.5.3 KeyType LastState 3.5.4 LastState (ReadOnly) StartAdress 3.5.5 StartAdress CountData 3.5.6 CountData BlockSize 3.5.7 BlockSize PollingTime 3.5.8 PollingTime Opening 3.5.9 Opening Reading 3.5.10 Reading Writing 3.5.11 Writing KeyState 3.5.12 KeyState Version 3.5.13 Version Data 3.5.14 Data Debug 3.5.15 Debug

Events Section

OnKey 3.7.1 OnKey OnRead 3.7.2 OnRead OnWrite 3.7.3 OnWrite

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3.4 Methods

3.4.1 Open

 Description Opens the serial interface to the EKS with the properties set (BaudRate, Port, KeyType,

StartAdress, CountData ...).

 Syntax Boolean = object.EKS.Open;

 Comments The EKS must be connected and ready for operation before this method is used. The

method returns the value True (error-free execution) or False (status message has been generated). If a status message has been generated the cause can be determined using the property LastState. You will find an overview on the status messages for the ActiveX event OnKey is triggered. To get the actual condition of the method Open, the property Opening can be polled. At the end of a program any open serial connections must be closed again by calling the method Close.

Information! The method Open starts a background process which establishes the communication with the device. The return value True signals only, that the background process could be started. Hereby a physical connection to the device is not checked.

module in section 3.5.4. On completion of the asynchronous execution the

3.4.2 Close

 Description Closes the serial interface to the EKS.

 Syntax Boolean = object.Close ();

 Comments This method must be run at the end of the user program to clear the PC's serial

interface.

3.4.3 Read

 Description Method for reading data from the Electronic-Key (start address is defined in the property

StartAdress and the number of bytes of data in the property CountData)

 Syntax Boolean = object.Read ();

 Comments If the method returns True, the data will be read from the EKS. These data are to be

found in the property Data after the event OnRead is triggered. If False is returned it was not possible to start the read request without errors. In this case the status number is given in the property LastState. You will find an overview on the status messages for the ActiveX

Information! If you only want to read the data on the EKS Electronic-Key, you do not need to explicitly call the method Read. As soon as the event OnKey is triggered and the property is KeyState = EKS_KEY_IN, the data on the actual key are available in the property Data. Prior to triggering the event OnKey the method Read is executed internally in the ActiveX

module in section 3.5.4.

module.

3.4.4 Write

 Description Method for writing data to the Electronic-Key (start address is defined in the property

StartAdress and the number of bytes of data in the property CountData)

 Syntax Boolean = object.Write ();

 Comments If the method returns True, the data will be written to the Electronic-Key. The write

request is complete after the event OnWrite is triggered. If False is returned it was not possible to start the write request without errors. In this case the status number is given in the property LastState. You will find an overview on the status messages for the ActiveX

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module in section 3.5.4.

Manual EKS ActiveX® Module serial / USB

3.4.5 getData

 Description Reading access to the internal memory area of the ActiveX

data of the method Read or the event OnKey are stored.

 Syntax short = getData (short ByteIndex);

 Comments With the method getData, the internal memory area of the ActiveX

read. Upon triggering the events OnRead or OnKey, the key data are available in the internal memory and can be read using getData. In the properties StartAdress and CountData, the range is defined from which byte data shall be read (method Read).



module, in which the read



module can be

Information! This is an additional way of accessing the internal memory of the ActiveX



module. This method can be used in programming environments which do not offer array support. Usually, the internal memory area is accessed via the property Data, see section 3.5.14.

3.4.6 setData

 Description Writing access to the internal memory area of the ActiveX

be written of the method Write are stored.

 Syntax object.setData (short Bytelndex, short DataValue);

 Comments With the method setData, the internal memory area of the ActiveX

written. Upon triggering the event OnWrite, the data are written from the temporary storage to the key. In the properties StartAdress and CountData, the range is defined from which byte data shall be written (method Write).

Information! This is an additional way of accessing the internal memory of the ActiveX be used in programming environments which do not offer array support. Usually, the internal memory area is accessed via the property Data, see section 3.5.14.



module, in which the data to



module. This method can



module can be

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3.5 Properties

3.5.1 BaudRate

 Description Sets the baud rate

 Syntax object.BaudRate = BaudRateConstants Value;

 Comments Using this property the same baud rate must be set as was selected on the EKS using

the DIP switches. Possible values are: EKS_BAUD_9600 = 9600 EKS_BAUD_28800 = 28800 This property is applied by calling the method Open.

 Data type BaudRateConstants (Enumeration)

 Default value EKS_BAUD_9600

3.5.2 Port

 Description Selects the serial interface on the PC

 Syntax object.Port = String Value;

 Comments Possible values are:

COM1 COM2 … This property is applied by calling the method Open.

 Data type String

 Default value COM1

3.5.3 KeyType

 Description Defines the type of Electronic-Key used (read-only Electronic-Key* or read/write

Electronic-Key)

*Earlier transponder type. We do not recommend using this transponder type in new installations.

 Syntax object.KeyType = KeyTypeConstants Value;

 Comments Possible values are:

EKS_KEY_READWRITE = 1 EKS_KEY_READONLY = 8 This property is applied by calling the method Open.

 Data type KeyTypeConstants (Enumeration)

 Default value EKS_KEY_READWRITE

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3.5.4 LastState (ReadOnly)

 Description Status of the last method called (0=OK or status number)

 Syntax long = object.LastState;

 Comments After a method is run (Read, Write, …) or after an event (OnKey, OnRead, ...), you can

determine here whether the method was run correctly. Status numbers in the range from 0 to 127 (0 manual for the EKS Electronic-Key adapter. Status numbers between 128 and 255 (80

hex

to FF

) are generated by the ActiveX® module.

hex

 Data type long

 List of status numbers for the ActiveX

Attention! Immediately after a method has been called or an event has been triggered you should poll the value in the property LastState. Otherwise the property LastState could be overwritten by another method, as only the status message from the last method run is given in the property LastState. This warning also applies to internal methods that run in the background and that are not started by you.

Value Description

hex dec

0x88 136

0x89 137

0x8A 138

0x8B 139

0xA0 160

0xA1 161

0xA2 162

0xB0 176

0xB1 177

0xB2 178

0xC0 192

0xC1 193

0xD0 208

0xE0 224

0xE1 225

0xE6 230

0xE7 231

0xE8 232

0xE9 233

0xFF 255

Timeout

The timeout of approx. 2 s for the 3964R protocol after sending the STX command has been exceeded, the protocol is repeated up to 6 x.

NAKReceived

NAK (15

Collision

Collision in the 3964R protocol.

WrongBaudrate

Probably the wrong baud rate has been selected on the EKS or in the ActiveX

DeviceNotOpened

The connection to the EKS has not been opened, please run the method Open.

DeviceNotAvailable

The serial interface selected is not available.

DeviceInUse

The serial interface selected is in use by another application and is not available.

ReadTimeOut

It was not possible to correctly complete the method Read, the method has timed out.

WriteTimeOut

It was not possible to correctly complete the method Write, the method has timed out.

TimeOut

An internal method in the ActiveX

NothingToRead

The number of bytes of data to be read, as defined by the property CountData, is 0.

NothingToWrite

The number of bytes of data to be written, as defined by the property CountData, is 0.

PortNotOpened

The serial interface is not open, please check the setting for the property Port and run the method Open.

OpenFailed

The method Open failed.

OpenActive

The method Open is still active.

USBReConnected

The connection to the EKS USB has been re-established.

USBDisConnected

The connection to the EKS USB has been disconnected.

Suspend

The computer will be placed in the suspend mode.

ResumeSuspend

The suspend mode has been terminated.

Busy

The ActiveX

) received from EKS -> protocol error

hex

module is busy processing a method, the request cannot be run.

to 7F

hex

module:

) are generated by the EKS and are documented in the

hex

module.

module has timed out.

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3.5.5 StartAdress

 Description The start address for the memory area on the Electronic-Key from which data are to be

read (Read) respectively from which data are to be written (Write).

 Syntax object.StartAdress = short Value;

 Comments Defines the start address for the data to be read using the method Read as well as the

start address for the data to be written using the method Write. Once the read method has been completed successfully, the data will be available in the property Data. The data to be written must also be saved there. The property StartAdress must be set prior to calling the methods so that the start address can be used for the subsequent call.

Information!

On the Electronic-Key read/write with 116 bytes freely programmable, the memory is organized in 4byte blocks. This means the start address must be given in the range byte number 0 to byte number 112, always in 4-byte steps (byte number 0, 4, 8 ... 112). Also the blocks written must always be a multiple of 4-byte blocks (4, 8, 12 ... 116 bytes)!

However, during reading it is possible to access the memory byte-by-byte without the above mentioned restriction for writing.

The Electronic-Key read/write also 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 can therefore not be changed. The serial number is used for secure distinction of every single Electronic-Key. It is necessary that all 8 bytes are completely evaluated for reliable differentiation. The serial number is appended to the freely programmable memory. The serial number can be read by entering the start address byte number 116 and the number of bytes 8.

 Data type short

 Default value 0

3.5.6 CountData

 Description The number of bytes of data to be written or read.

 Syntax object.CountData = short Value;

 Comments Defines the number of bytes of data to be read using the method Read as well as the

number of bytes of data to be written using the method Write. Once the read method has been completed successfully, the data will be available in the property Data. The data to be written must also be saved there. The property CountData must be set prior to calling the methods so that the number of bytes of data to be read/written can be used for the subsequent call.

Information!

However, during reading it is possible to access the memory byte-by-byte without the above mentioned restriction for writing.

 Data type short

 Default value 4

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3.5.7 BlockSize

 Description Defines the block size for the data transfer.

 Syntax object.BlockSize = short Value;

 Comments Defines the block size for the data packets in the 3964R protocol. The default value can

be left unchanged in this property if no older devices of the EKS series are used.

 Data type short

 Default value 124

3.5.8 PollingTime

 Description Defines the time [ms] after which the ActiveX® module polls the status of the Electronic-

Key from the EKS.

 Syntax object.PollingTime = short Value;

 Comments The event behavior of the ActiveX

polling time of 0 ms is set in the property PollingTime, the polling is disabled.

 Data type short

 Default value 0

Information!

In the normal case polling is not necessary, as the transponder is detected using the CTS signal. Polling is only useful if a CTS signal is not available.

module can be changed using this property. If a

The polling time should not be set too short (< 500 ms), as otherwise there is no time left for other method calls. This situation can result is a frequent LastState of 0xFF.

3.5.9 Opening

 Description State of the method Open

 Syntax bool = object.Opening;

 Comments If the property Opening returns the value True, the method Open is currently active. As

long as this method is active it is not possible to call any other methods.

 Data type bool

 Default value false

3.5.10 Reading

 Description State of the method Read

 Syntax bool = object.Reading;

 Comments If the property Reading returns the value True, the method Read is currently active. The

data on the Electronic-Key are not yet available in the property Data. As long as this method is active it is not possible to call any other methods.

 Data type bool

 Default value false

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3.5.11 Writing

 Description State of the method Write

 Syntax bool = object.Writing;

 Comments If the property Writing returns the value True, the method Write is currently active. The

write request is still active and the data have not yet been completely written to the Electronic-Key. As long as this method is active it is not possible to call any other methods.

 Data type bool

 Default value false

3.5.12 KeyState

 Description Returns the status of the last event.

 Syntax bool = object.KeyState;

 Comments Possible parameters are:

 EKS_KEY_IN = 1

 EKS_KEY_OUT = 2

 EKS_KEY_OTHER = 3

 Data type KeyStateConstants (Enumeration)

 Default value EKS_KEY_OUT

3.5.13 Version

 Description Returns the current version of the EKS ActiveX® module

 Syntax String Value = object.Version;

 Data type String

3.5.14 Data

 Description Memory area in which data read by the method Read or the event OnKey, or data to be

written using the method Write, are stored.

 Syntax short = object.Data (short ByteIndex);

 Comments The property Data represents a cache for all data that are read from the Electronic-Key

and that are to be written to the Electronic-Key. The data for the key are provided or assigned in bytes. After the event OnRead or OnKey is triggered, the data on the Electronic-Key are available in the property Data. Once the event OnWrite has been triggered the data have been written from the property Data to the Electronic-Key. In the properties StartAdress and CountData, the range is defined from which byte data shall be read (method Read) respectively data shall be written (method Write).

 Data type short

 Default value -12851 (CDCD

The default value is present if no data have been read from the Electronic-Key or there is no Electronic-Key in the Electronic-Key adapter.

hex

)

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3.5.15 Debug

 Description If the property Debug is set to the value true, the COM port is closed at the end of a

debug session in a programming environment.

 Syntax bool = object.Debug;

 Comments The ActiveX

some programming environments. The property Debug must, e. g., be set to true in Microsoft Visual Basic that the COM port is closed at the end of the debug session without explicitly calling the method Close. If a debug session is terminated before the method Close is called, then during the next debug session you will receive a LastState of 162 (DeviceInUse). If the property Debug is true, then all COM ports for all ActiveX end of the debug session.

 Data type bool

 Default value false

Information!

Please ensure you only set the property Debug to true during the debug session. If one control is destructed on the use of several instances of the ActiveX other instances.

module is not correctly destructed at the end of the debug session in

and Microsoft Excel® for the development of the application so

instances are closed at the

module, the COM port will be closed in all

3.6 Constants

This section lists all constants that are used in the properties for the EKS ActiveX® module. The constants are also listed in the description of the properties and methods in which they are used.

KeyStateConstants (used in the property KeyState)

Value Constant

1 EKS_KEY_IN 2 EKS_KEY_OUT 3 EKS_KEY_OTHER

KeyTypeConstants (used in the property KeyType)

Value Constant

1 EKS_KEY_READWRITE 8 EKS_KEY_READONLY

BaudRateConstants (used in the property BaudRate)

Value Constant

9600 EKS_BAUD_9600

28800 EKS_BAUD_28800

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3.7 Events

3.7.1 OnKey

 Description This event must be defined in the user program and is called by the ActiveX® module.

 Syntax Private Sub object_OnKey ()

 Comments To use this event, a method with the name OnKey must be defined in the user program.

This method is called by the ActiveX (Electronic-Key inserted /Electronic-Key removed, etc.). The user can then poll which event has occurred in the user program (EKS_KEY_IN, EKS_KEY_OUT, EKS_KEY_OTHER). The event OnKey with the property KeyState=EKS_EVENT_KEYIN is triggered when there is a new Electronic-Key in the EKS. The user can then read the data on the key from the property Data without

calling the method Read. The event OnKey with the property KeyState=EKS_KEY_OUT is triggered on the removal of the Electronic-Key. The event OnKey with the property KeyState=EKS_KEY_OTHER is triggered when the ActiveX

module detects a status. The related status number can be read in the property LastState.

Information! Whether an Electronic-Key has been inserted or removed is detected from the state of the CTS signal (see manual for EKS Electronic-Key adapter).

module as soon as there is a change in the EKS

3.7.2 OnRead

 Description This event must be defined in the user program and is called by the ActiveX® module.

 Syntax Private Sub object_OnRead ()

 Comments To use this event a method with the name OnRead must be defined in the user

program. This method is called by the ActiveX completed in the ActiveX

module. The related status number can be read in the

module as soon as the method Read is

property LastState.

3.7.3 OnWrite

 Description This event must be defined in the user program and is called by the ActiveX® module.

 Syntax Private Sub object_OnWrite ()

 Comments To use this event a method with the name OnWrite must be defined in the user

program. This method is called by the ActiveX completed in the ActiveX

module. The related status number can be read in the

property LastState.

module as soon as the method Write is

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4 Examples

Information!

The installation CD contains examples for the integration of the EKS ActiveX programming environments.

module in various

4.1 Establishing connection with the EKS Electronic-Key adapter

The following example shows how the method Open can be used. The values shown correspond to the default settings for the properties. It may be necessary to change these values for your application.

1. Set required values in the properties. These settings can also be made in the programming tool (e.g. Visual

EKS.Port = "COM1"

EKS.BaudRate = EKS_BAUD_9600

EKS.KeyType = EKS_KEY_READWRITE

EKS.PollingTime = 0

2. Set the required read/write parameters (can also be set after opening the interface):

EKS.StartAdress = 0

EKS.CountData = 4

3. Open serial interface:

EKS.Open

) using the properties of the object EKS:

Basic

Information! If the default values shown are used, it is sufficient to use just the one line with the call EKS.Open.

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4.2 Example event call in Visual Basic®

Private Sub EKS_OnKey( )

Select Case KeyState

Case EKS_EVENT_KEYIN

User functions KeyIn

' e. g. Read key data from the Electronic-Key

' Attention! It is not necessary to call the Read method!

for i=0 to 123

KeyData = KeyData & EKS.Data(i)

Next i

Case EKS_EVENT_KEYOUT

User functions KeyOut

' e. g. Delete Electronic-Key data in the user software

KeyData = "-"

Case EKS_EVENT_OTHER

User functions Other

' e. g. Poll status number

StatusNumber = EKS.LastState

End Select

End Sub

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www.euchner.de

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are registered

EUCHNER ActiveX Module serial-USB User Manual

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