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K-Cube Piezo Driver

4.3 Velocity Wheel Operation

The velocity wheel/joystick is an infinite turn potentiometer, which is used to ini tiate

different types of move depending on its mode setting. The mode can be set either

via the GUI Settings panel, see Section 6.2.2. or via the top panel display menu, see

Section 4.4.

4.3.1 Voltage Adjust Mode

In voltage mode, the wheel can be used to increase and decrease the drive voltage.

The voltage change is proportional to the deflection of the wheel - see Section 4.4.7.

The rate of change is adjusted in the Joystick Menu parameter - see Section 4.4.8.

4.3.2 Go to Voltage

In ‘Go To Voltage’ mode, two preset voltage values can be specified, such that the

drive voltage is set to voltage 1 when the wheel is moved down, and to voltage 2

when it is moved up. These ‘taught’ voltages can be set through the software GUI -

see Section 6.2.2. or via the display menu, see Section 4.4.7.
This mode of operation is enabled by setting the ‘Wheel Mode’ to ‘Go to voltage’

through the software GUI - see Section 6.2.2. or via the display menu, see Section

4.4.7.

4.3.3 Jog to voltages

The top panel wheel can also be configured to ‘jog’ the drive voltage. This mode of

operation is e nabled by setting the ‘ Wheel Mode’ parameter to ‘Jog to voltage’

through the software GUI - see Section 6.2.2. or via the display menu, see Section

4.4.7.

Содержание K-Cube Piezo Controller

Страница 1: ...KPZ101 Piezo Driver APT User Guide Original Instructions ...

Страница 2: ... 3 2 APTUser Utility 8 2 3 3 APT Config Utility 9 2 3 4 APT Server ActiveX Controls 10 2 3 5 Software Upgrades 11 Chapter 3 Getting Started 12 3 1 Install The Software 12 3 2 Mechanical Installation 13 3 3 Electrical Installation 14 3 4 Connect The Hardware 18 3 5 Verifying Software Operation 19 Chapter 4 Standalone Operation 21 4 1 Introduction 21 4 2 Control Panel 22 4 3 Velocity Wheel Operation...

Страница 3: ...5 7 Adjusting the Piezo Position 50 5 8 Load Response 51 5 9 Creating a Simulated Configuration Using APT Config 52 Chapter 6 Software Reference 55 6 1 GUI Panel 55 6 2 Settings Panel 57 Appendices Appendix A Connector Pinout Details 64 Appendix B Preventive Maintenance 65 Appendix C Specifications and Associated Products 66 Appendix D Piezo Control Method Summary 68 Appendix E Piezo Operation Bac...

Страница 4: ...duct Note Clarification of an instruction or additional information Warnings If this equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired In particular excessive moisture may impair operation This product generates uses and outputs high voltages from the SMC connector HV Output that are hazardous and can cause serious injury In an...

Страница 5: ... footprint of this unit has been kept to a minimum measuring only 60mm x 60mm x 47mm 2 36 x 2 36 x 1 85 and with the facility to directly mount to the optical table close to the device under control Table top operation also allows minimal drive cable lengths for easier cable management All manual controls are located on the top face of the unit very convenient when manually adjusting piezo positio...

Страница 6: ...er 6 covers all operating modes and parameters in detail 2 2 Power Options For power a compact two way power supply unit TPS002 is available from Thorlabs allowing up to 2 K Cube Piezo Drivers to be powered from a single mains outlet This power supply unit is also designed to take up minimal space and can be mounted to the optical table in close proximity to the driver units connected via short po...

Страница 7: ...h provides all of the necessary APT system software services such as generation of GUI pan els communications handling for multiple USB units and logging of all system activity to assist in hardware trouble shooting It is this APT server engine that is used by software developers to allow the creation of advanced automated positioning applications very rapidly and with great ease The APT server is...

Страница 8: ...nd loaded to allow multiple operating configurations to be created and easily applied For many users the APTUser application provides all of the functionality necessary to operate the APT hardware without the need to deve lop any further custom software For those who do need to further customise and automate usage of the controller e g to implement a positioning algorithm this application illustra...

Страница 9: ... the APT software These settings have global effect such as switching between simulator and real operating mode and incorporation of calibration data The APTConfig utility is provided as a convenient means for making these system wide settings and adjustments Full details on using APTConfig are provided in the online help supplied with the utility Use of the APT Config utility is covered in the PC...

Страница 10: ...are component Consequently ActiveX Controls can be incorporated into a wide range of software development environments for use by client application developers Development environments supported include Visual Basic Labview Visual C C Builder HPVEE Matlab VB NET C NET and via VBA Microsoft Office applications such as Excel and Word Consider the ActiveX Control supplied for the KPZ101 APT piezo con...

Страница 11: ...y in system online help Note that the APTUser and APTConfig utilities take advantage of and are built on top of the powerful functionality provided by the APT ActiveX Server as shown in Fig 2 2 Fig 2 2 System Architecture Diagram Refer to the main APT Software online help file for a complete programmers guide and reference material on using the APT ActiveX Controls collection This is available eit...

Страница 12: ...cal user interface panels GUIs which expose all key operating parameters and modes The user can select multiple panel views displaying different information about a particular hardware unit The multitasking architecture ensures that the graphical control panels always remain live showing all current hardware activity Cautions Some PCs may have been configured to restrict the users ability to load ...

Страница 13: ...eplate for use when fitting the unit to a breadboard optical table or similar surface For multiple cube systems a 3 channel and 6 channel K Cube Controller Hub KCH301 and KCH601 are also available see Section 2 2 for further details Full instructions on the fitting and use of the controller hub are contained in the handbook available at www thorlabs com Warning The safety of any system incorporati...

Страница 14: ...ectrical Installation 3 3 1 Rear Panel Fig 3 2 Rear Panel Connections HV OUT SMC connector 0 to 150V 0 to 7 5mA Provides the drive signal to the piezo actuator The maximum voltage 75V 100V or 150V is set via the top panel see Section 4 4 3 or via the APTsoftware Settings panel see Section 6 2 EXT IN SMA connector Used to conn ect an external analogue signal source to control the operation of the c...

Страница 15: ...aveforms or voltage levels present at the high voltage output 3 3 2 Supply Voltage and Current Requirements Caution In open loop mode the EXT IN connector drives the HV amplifier circuit directly If an external input is used the output voltage limits i e 75V 100V or 150V can be exceeded Note The KPZ101 has two main selectable output voltage ranges of 0 to 75V or 0 to 150V to allow driving piezo ac...

Страница 16: ...only to a DC supply as detailed in Section 3 3 Connection to a supply of a different rating may cause damage to the unit and could result in injury to the operator Caution Ensure the power switch on the front panel of the unit is switched off before connecting power to the K Cube Always power up the K Cube unit by its ON switch DO NOT connect the K Cube unit to a live external power supply Doing s...

Страница 17: ... so i e hot plugging carries the risk of PERMANENT damage to the unit Similarly to power down the unit turn the power switch off before disconnecting the power supply Caution If an external power supply is used ensure that the 3 supply voltages are turned on and off simultaneously Applying the supply voltages with a large more than 1 second time delay between them can result in the piezo cube show...

Страница 18: ...ivers for the new hardware 8 The unit starts up with the HV output disabled This must be enabled before any further settings can be adjusted see Section 4 4 2 Caution During items 3 to 6 the instructions should be followed strictly in the order stated Problems may occur if the process is not performed in the correct sequence Caution During item 4 ensure the power supply unit is isolated from the m...

Страница 19: ...n The digital display on the front panel of the associated controller flashes This is useful in multi channel systems for identifying which channel is associated with which GUI 3 Click the jog buttons on the GUI panel to move the piezo or axis connected to the controller The voltage display for the associated GUI shou ld increment and decrement accordingly Caution In applications requiring the hig...

Страница 20: ... in order to emulate a set of real hardware This is a particularly useful feature designed as an aid to application program development and testing Any number of virtual control units are combined to build a model of the real system which can then be used to test the application software offline If using real hardware ensure that Simulator Mode is disabled If using a simulated setup enable Simulat...

Страница 21: ...er is used in conjunction with the K Cube Strain Gauge Reader unit KSG101 high precision closed loop operation is possible using the complete range of feedback equipped piezo actuators available from Thorlabs The following brief overview explains how the front panel controls can be used to perform a typical series of piezo moves In conjunction with this chapter it also may be useful to read the ba...

Страница 22: ... MENU used to access the settings menu see Section 4 4 4 2 1 Digital Display Operating Mode During normal operation the top line of the digital display shows the current drive voltage applied The bottom line shows various icons which indicate the operating state of the device i e the hazardous voltage warning arrow the feedback loop mode see Section 4 4 4 the unlocked symbol to show the output is ...

Страница 23: ...meter see Section 4 4 8 4 3 2 Go to Voltage In Go To Voltage mode two preset voltage values can be specified such that the drive voltage is set to voltage 1 when the wheel is moved down and to voltage 2 when it is moved up These taught voltages can be set through the software GUI see Section 6 2 2 or via the display menu see Section 4 4 7 This mode of operation is enabled by setting the Wheel Mode...

Страница 24: ... the 1 HV output option Press the MENU button to enter the option Use the wheel to scroll to the HV enabled option Press the MENU button to save and exit T h o r l a b s K P Z 1 0 1 S w R e v 0 1 0 0 0 1 O u t p u t i n a c t i v e 7 5 V N V M e n u o p t i o n s U s e w h e e l M e n u o p t i o n s 1 H V o u t p u t H V d i s a b l e d t o c h a n g e H V e n a b l e d t o c h a n g e ...

Страница 25: ...ection 4 4 9 Disable the wheel see Section 4 4 10 Set the display brightness see Section 4 4 11 Set the display timeout period see Section 4 4 12 V o l t a g e 0 0 0 V 7 5 V N V M e n u o p t i o n s U s e w h e e l M e n u o p t i o n s 1 H V o u t p u t M e n u o p t i o n s 2 V o l t a g e R a n g e M e n u o p t i o n s 3 F e e d b a c k m o d e M e n u o p t i o n s 4 A n a l o g u e i n p u ...

Страница 26: ...nnected to the unit Press the MENU bu tton then use the wheel to scroll through the menu options Press the MENU button to e nter the 2 Vo ltage range option The display shows the current setting Use the wheel to set the voltage associated with your piezo actuator 75V 100V or 150V Press the MENU button to save the setting and return to the operating screen M e n u o p t i o n s U s e w h e e l M e ...

Страница 27: ...the unit always defaults to open loop mode Caution If the Piezo Driver is switch to closed loop mode without being connected to a Strain Gauge Reader the piezo driver will expect a feedback signal and the piezo drive voltage will ramp up to the maximum limit either 75V or 150V whichever is set in software see Section 6 2 The 100V limit is only a software setting and in this case the output will st...

Страница 28: ...are being used on the same hub If Anlg Input off is selected the analogue input is disabled In open loop mode the external input Ch1 Ch2 or SMA is used to control the high voltage amplifier Note This setting applies only to open loop mode where using an external signal to control the KPZ101 is optional Closed loop operation is only possible if there is an external feedback signal connected to the ...

Страница 29: ...between units Fig 4 3 Controller Hub Feedback Channels If Channel 1 is selected the feedback signal runs through all the bays see Fig 4 3 This setting is useful in applications where a master cube is controlling several slave cubes If Channel 2 is selected the feedback signals run between adjacent pairs of K Cube bays i e 1 and 2 3 and 4 5 and 6 see Fig 4 3 This setting is useful when several pair...

Страница 30: ...the drive voltage The voltage change is prop ortional to th e deflection of the wh eel according to the setting in the Speed parameter in the 6 Joystick menu option see Section 4 4 8 In Go to voltage mode deflecting the wheel changes the voltage from the cu rrent value to one of the two predefined teach voltage values The teach voltages are specified in option 7 Teach voltage see Section 4 4 9 Use...

Страница 31: ...lay If Voltage adjust Joystick mode is selected in the previous section the wheel can be used to increase and decrease the drive voltage The voltage change is proportional to the deflection of the wheel according to the setting in the Speed parameter as follows Speed high Voltage adjusts at a high rate i e 1 V per detent click Speed medium Voltage adjusts at a medium rate i e 100 mV per detent cli...

Страница 32: ...to V2 To set Teach Voltage 2 Using the method described in Section 4 4 7 and Section 4 4 8 set the drive voltage to the value required as teach voltage 2 then press the MENU button and use the whee l to scroll through the menu options Press the MENU bu tton to enter the 7 T each voltage option Use the wheel to select V2 then press the MENU button to store the present voltage setting as teach volta...

Страница 33: ...MENU button to enter the 8 Wheel lock option The display shows the current setting Use the wheel to select Wheel locked or Wheel unlocked as required Press the MENU button to store the selection and return to the main display M e n u o p t i o n s 8 W h e e l l o c k M e n u o p t i o n s U s e w h e e l MENU V o l t a g e 3 5 3 0 V 1 5 0 V A J V o l t a g e 3 5 3 0 V 1 5 0 V A J W h e e l u n l o...

Страница 34: ...atically dimmed after a specified time interval Press the MENU bu tton then use the wheel to scroll through the menu options Press the MENU button to enter the Disp Timeout option The time out interval is specified in minutes in the range 1 to 480 The adjustment is done in steps of 1 minute if the timeout is between 1 t o 10 minutes 10 minute steps between 10 minutes and 1 hour and 30 minute steps...

Страница 35: ... connected to the PC USB Bus or simulatedvia the APTConfig utility This program allows multiple graphical instrument panels to be displayed so that multiple APT units can be controlled All basic operating parameters can be set through this program and all basic operations such as piezo moves can be initiated Hardware configurations and parameter settings can b e saved to a file which simplifies sy...

Страница 36: ...36 HA0365T Rev D Jan 2017 Chapter 5 Fig 5 1 Typical APT User Screen Notice how the maximum voltage for the associated piezo is displayed in the Voltage Range window Fig 5 2 Piezo Controller Software GUI ...

Страница 37: ...n amount of nonlinearity hysteresis temperature dependence and aging see Appendix E for more details In precision positioning applications this can seriously limit the accuracy and repeatability of the system This problem can however be eliminated when closed loop control is used Closed loop mode assumes that the piezo actuator is fitted with a position sensor usually a strain gauge that is capabl...

Страница 38: ...addition one of the 3 p ossible external inputs SMA input Hub Channel 1 or Hub Channel 2 can also be added to the signal that controls the output voltage 5 3 2 Description of Closed Loop Mode Fig 5 4 shows a simplified block diagram of the piezo controller in closed loop mode with the rear panel EXT IN terminal used for feedback Fig 5 4 Closed Loop Schematic Diagram Off Hub Channel 1 Hub Channel 2...

Страница 39: ... control on the GUI 5 4 Open Loop Operation 5 4 1 Connecting The Actuator and Power 1 Connect the power supply as detailed in Section 3 3 4 2 Connect the Piezo Actuator to the HV OUT terminal on the rear panel The following procedures explain how the piezo actuator is driven In openloop mode the piezo can be positioned in three ways by entering a voltage by using the Output potentiometer or by cli...

Страница 40: ... Rotate the Output control an ticlockwise Notice ho w the voltage display decrements to show the decreasing voltage applied to the piezo 5 4 4 Jogging the Piezos When the jog buttons are pressed the piezo moves by the voltage step specified in the Jog Step Size parameter 1 Click the Settings button to display the Settings panel Fig 5 6 Piezo settings panel 2 In the Voltage Jog Step Size field ente...

Страница 41: ...w to configure the unit as a piezo amplifier 1 Connect a 0 10V external source to the EXT IN connector on the rear panel 2 In the GUI panel click the Settings button to display the settings panel Fig 5 7 Piezo settings panel 3 In the Drive Input Source Open Loop field select Analogue Input VIn SW 4 In the Analogue Input Source Ext In field select SMA Input 5 In the Feedback Loop field select Open ...

Страница 42: ...uild a system without the KCHx01 USB controller hub however in this case individual power supply and USB connections are required for each controller in addition to the external signal cables between the controllers Using the KCHx01 hub greatly simplifies the system because the hub provides all the necessary po wer signal and USB conn ections to all the controller cubes 5 6 Closed Loop Operation T...

Страница 43: ...roller hub to the power supply see Section 3 3 2 6 Connect the PSU to the main supply and switch ON The version number of the embedded software is displayed on the Piezo unit during boot up The software version is useful when requesting technical support The ident number of the associated K Cube bay on the hub is also displayed 7 Connect the controller hub to your PC 8 WindowsTM should detect the ...

Страница 44: ...T IN Select Hub Channel 1 Feedback Loop Mode Select Closed Loop 12 If desired click the Persist Settings To Hardware box These settings will then be loaded on each power up cycle 13 Click OK to save the settings Note To identify the piezo unit associated with the GUI panel click the Ident button the Power LED on the panel of the asssociated controller flashes for a short period Note The following ...

Страница 45: ...Hardware box These settings will then be loaded on each power up cycle 17 Click OK to save the settings 18 Refer to Section 5 6 4 for instructions on setting the position sensor zero value Note To identify the strain gauge unit associated with a GUI panel click the Ident button the Power LED on the panel of the asssociated controller flashes for a short period Note The following parameter settings...

Страница 46: ... 4 5 and 6 see Fig 5 11 Fig 5 11 Hub Analog Input Channels Only certain K Cube arrangements allow the system to fun ction correctly Furthermore the setting for the Analogue Input Source EXT IN parameter in the piezo settings panel depends on the bays in which the K Cube units are fitted The various bay options and their associated Analogue Input Source EXT IN settings are described in Fig 5 12 Cau...

Страница 47: ...Channel 1 bay 2 bay 3 bay 4 bay 5 This combination will not work bay 2 bay 1 bay 4 bay 5 Strain Gauge Reader MENU Piezo Controller MENU Strain Gauge Reader MENU Piezo Controller MENU Strain Gauge Reader MENU Piezo Controller MENU Strain Gauge Reader MENU Piezo Controller MENU Strain Gauge Reader MENU Piezo Controller MENU Strain Gauge Reader MENU Piezo Controller MENU Strain Gauge Reader MENU Piez...

Страница 48: ... actuator 4 Connect the HV OUT termina l on the rear of the Piezo driver to the a ssociated piezo actuator 5 Connect the units to their power supplies see Section 3 3 4 of this manual and also the manual supplied with the Strain Gauge Readers 6 Connect the PSU to the main supply and switch ON The version number of the embedded software is displayed on the Piezo unit during boot up The software ver...

Страница 49: ...t Source Open Loop Select Adjustment Wheel SW Analogue Input Source EXT IN Select SMA Input Feedback Loop Mode Select Closed Loop 12 If desired click the Persist Settings To Hardware box These settings will then be loaded on each power up cycle 13 Click OK to save the settings 14 Refer to Section 5 6 4 for instructions on setting the position sensor zero value Note To identify the piezo unit assoc...

Страница 50: ... rear panel EXT IN connector 2 Either press and hold the button on the Strain Gauge K Cube click the Zero button in th e Strain Gauge K Cube GUI panel or call the SG_Z eroPosition method in the application software 3 The display on the Strain Gauge K Cube shows nULL and counts down to zero 5 7 Adjusting the Piezo Position 1 Make connections as detailed in Section 5 6 1 or Section 5 6 3 2 Set the S...

Страница 51: ...51 K Cube Piezo Driver 5 8 Load Response The response of the KPZ101 to varying load and frequencies is shown below Fig 5 15 Response of KPZ101 to Varying Loads and Frequencies ...

Страница 52: ... learning how to use the APT software and as an aid to developing custom software applications offline Any number of virtual control units can be combined to emu late a collection of physical hardware units For example an application program can be written then tested and debugged remotely before running with the hardware To create a simulated configuration proceed as follows 1 Run the APT Config ...

Страница 53: ... 4 In the Simulator field check the Enable Simulator Mode box The name of the most recently used configuration file is displayed in the Current Configuration window 5 In the Control Unit field select 1 Ch Piezo Driver KPZ101 ...

Страница 54: ...sical APT hardware unit is factory programmed with a unique 8 digit serial number In order to simulate a set of real hardware the Config utility allows an 8 digit serial number to be associated with each simulated unit It is good practice when creating simulated configurations for software development purposes to use the same serial numbers as any real hardware units that will be used Although ser...

Страница 55: ...elected then the control is used to adjust the voltage output Jog used to increment or decrement the output voltage When the button is clicked the piezo is driven in the selected direction one step per click The step size can be set in the Settings panel or by using the SetJogStepSize method Volts Display shows the voltage applied to the piezo Note The serial number of the KPZ101 unit associated w...

Страница 56: ...it responds only to software inputs and the HV amp output is that set usin g the SetVoltOutput method or th e GUI panel Output control If EXT_IN is displayed the unit sums the signal on the rea r panel EXT IN SMC connector with the voltage set using the SetVoltOutput method or the GUI panel Output control If Pot is displayed the unit sums the voltage set using front panel OUTPUT control with the v...

Страница 57: ...ecified operating voltage of the piezo actuator connected to the unit Most Thorlabs piezo actuators are specified for either 75V or 150V maximum operation In general the maximum voltage should not be exceeded because it can cause damage to the piezo actuator The output voltage range can be selected between 75V 100V and 150V Of these 3 settings 75V and 150V are hardware limits the piezo unit contai...

Страница 58: ...ront panel voltage wheel joystick with the voltage set using the SetVoltOutput method or the GUI panel Output control If VIn Wheel SW is selected the unit sums the voltage set using front panel oltage wheel joystick with the voltage set using the SetVoltOutput m ethod or the GUI panel Output control and the signal on the rear panel EXT IN SMC connector Analogue Input Source VIn This field allows t...

Страница 59: ...r Hub KCHx01 high precision closed loop operation is possib le using the comple te range of feedback equipped piezo actuators available from Thorlabs Select Open Loop or Closed Loop as required Note As mentioned in the previous section the function of the analogue input source depends on whether the cube is used in open or closed loop mode In open loop mode the input selected here will be added to...

Страница 60: ...sured in Volts Persist Settings to Hardware Many of the parameters that can be set for the Piezo Driver K Cube can be stored persisted within the unit itself such that when the unit is next powered up these settings are applied automatically This is particularly important when the driver is being used manually in the absence of a PC and USB link The Analogue Input Channel and Closed Loop Operation...

Страница 61: ...tion of the wheel according to the setting in the Wheel Gear parameter as follows Change Rate High Voltage adjusts at a high rate i e 1 V per click Change Rate Medium Voltage adjusts at a medium rate i e 100 mV per click Change Rate Low Voltage adjusts at a low rate i e 10 mV per click Voltage Jogging Deflecting the wheel initiates a change in the drive voltage using the parameters specified by th...

Страница 62: ...ectly to the input When the port is used as an output it provides a push pull drive of 5 Volts with the maximum current limited to approximately 8 mA The current limit prevents damage when the output is accidentally shorted to ground or driven to the opposite logic state by external circuity Warning do not drive the TRIG ports from any voltage source that can produce an output in excess of the nor...

Страница 63: ...djustments When the display returns to its default position display mode it will turn off again Furthermore Burn In of the display can occur if it remains static for a long time To prevent this the display is automatically dimmed after the time interval specified in the Timeout min parameter has elapsed The time interval is specified in minutes in the range 0 never dimmed to 480 The dim level is s...

Страница 64: ... result in the sen sitive electronic inside the cube getting damaged invalidating warranty The cube uses a standard mini DIN type of input connector the corresponding plug is available from most standard electronics suppliers Fig A 1 shows the mini DIN socket as vi ewed by looking at the rear panel of the cube The pin numbering follows the standard for mini DIN connectors Fig A 1 POWER Connector P...

Страница 65: ...he covers removed Only personnel authorized by Thorlabs Ltd and trained in the maintenance of this equipment should remove its covers or attempt any repairs or adjustments Maintenance is limited to safety testing and cleaning as described in the following sections Warning Disconnect the power supply before cleaning the unit Never allow water to get inside the case Do not saturate the unit Do not u...

Страница 66: ...al Piezo Capacitance 1µF to 10µF Drive Bandwidth 1kHz 1µF Load 1V p p Drive Input 0 10V SMA Connector Output Monitor 0 10V SMA Connector Voltage Readout 5 Digit 7 Segment LED Display USB Port Version 2 0 mini Compatible K Cube Controller Hub Connector 26 way ERNI Closed Loop Operation with K Cube Strain Gauge Reader KSG101 Input Power Requirements DIN Connector Voltages 15V 220 mA 15V 50 mA 5V 350...

Страница 67: ... PAA100A Drive Cable for Piezoelectric Actuators 1 5 m PAA101 Drive Cable Extension for Piezo Actuators 1 5 m PAA101A K Cube Strain Gauge Reader KSG101 2 Way Power Supply Unit TPS002 K Cube 6 Channel Controller Hub KCH601 K Cube 3 Channel Controller Hub KCH301 SMA to BNC Converter Cable 6 CA2806 SMA Female to BNC Male Converter T4289 SMA Male to BNC Female Converter T4290 ...

Страница 68: ... at run time Note that the appearance of the ActiveX Control GUI graphical user interface will change to the required format when the serial number has been entered The Methods and Properties of the Piezo ActiveX Control can be used to perform activities such as selecting output voltages reading the strain gauge position feedback operating open and closed loop modes and enabling force sensing mode...

Страница 69: ...etControlMode Sets the loop operating mode open closed SetDispIntensity Sets the front panel LED display intensity SetHubAnalogueChanIn Sets the hub analogue input channel used for close loop operation SetIPSource Sets the HV amplifier input source SetJogStepSize Sets the jogging step size SetKCubePanelParams Sets various parameters for the top panel controls SetKCubeTriggerParams Sets the trigger...

Страница 70: ...th controller StopOutputLUT Stops outputting the voltage waveform LUT Properties APTHelp Specifies the help file that will be accessed whenthe user presses the F1 key If APTHelp is set to True the main server helpfile MG17Base will be launched HWSerialNum specifies the serial number of the hardware unit to be associated with an ActiveX control instance ...

Страница 71: ...f newtons Perhaps the most useful property of these actuators is their ability to produce oscillating motion at considerable frequencies usually limited b y the mecha nical system driven rather than by the piezo actuator itself This ability is used to advantage in the NanoTrak control system for example The electric field gradient needed to produce a useful amount of expansion is quite large Thus ...

Страница 72: ...ures the position the circuit subtracts the measured position from the demand position to get the error and a proportional integral feedback loop adjusts the voltage to the actuator until the error is virtually zero Some Thorlabs nanopositioning actuators have position sensing others do not The Piezoelectric control module allows both types to be controlled To control an actuator with position sen...

Страница 73: ...l is a linear relationship between demand voltage and measured position see Fig E 4 in contrast to open loop control see Fig E 2 Fig E 4 Closed loop response amp actuator demand moving part open loop control amp actuator sensor a b s demand moving part closed loop control _ real position demand position ...

Страница 74: ...erence in which case the user will be required to correct the interference at his own expense Changes or modifications not expressly approved by the company could void the user s authority to operate the equipment F 2 Waste Electrical and Electronic Equipment WEEE Directive F 2 1 Compliance As required by the Waste El ectrical and Electronic Equipment WEEE Directive of the European Community and t...

Страница 75: ... for further information F 2 2 Waste treatment on your own responsibility If you do not return an end of life unitto the company you musthand it to acompany specialized in waste recovery Do not dispose of the unit in a litter bin or at a public waste disposal site F 2 3 Ecological background It is we ll known that WEEE p ollutes the environment by re leasing toxic p roducts during decomposition Th...

Страница 76: ...Appendix F 76 HA0365T Rev D Jan 2017 F 3 CE Certificate ...

Страница 77: ...atan 7 431 35 Mölndal Sweden Tel 46 31 733 30 00 Fax 46 31 703 40 45 www thorlabs com Email scandinavia thorlabs com France Thorlabs SAS 109 rue des Côtes 78600 Maisons Laffitte France Tel 33 0 970 444 844 Fax 33 0 825 744 800 www thorlabs com Email sales fr thorlabs com Brazil Thorlabs Vendas de Fotônicos Ltda Rua Riachuelo 171 São Carlos SP 13560 110 Brazil Tel 55 16 3413 7062 Fax 55 16 3413 706...

Страница 78: ... Ltd Saint Thomas Place Ely Cambridgeshire CB7 4EX UK Tel 44 0 1353 654440 Fax 44 0 1353 654444 www thorlabs com Thorlabs Inc 56 Sparta Ave Newton NJ07860 USA Tel 1 973 579 7227 Fax 1 973 300 3600 www thorlabs com ...

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