PI E463 Manual - Advanced Test Equipment Rentals
Contents
1. LED display for output voltages 4 2 Rear Panel The rear panel contains only the line power connection voltage range selector off on rocker switch and the line fuse assembly 4 2 1 Voltage Selector Two ranges are available 220 240 V or 110 120 V Units are delivered set to the range PI believes prevalent in your country unless otherwise requested Selected value is visible in window see figures To change selection pry out and re orient fuse carrier Fuses will also need to be replaced WWW pi ws E 463 PZ 67E Release 1 2 0 Page 10 Piezo Nano Positioning PI Technical Data 4 2 2 Fuses Fuses are voltage dependent use 0 8 A for 230 V and 1 6 A for 115 V Fuse carrier Door with window Line cord connector Fuse carrier Fig 2 Voltage selection and fuse access slow blow fuses required WWW pi ws E 463 PZ 67E Release 1 2 0 Page 11 E 463 Frequency Response Piezo Nano Positioning PI 5 E 463 Frequency Response fine 5 Amplitud V 0 300 E 1 Frequent Fig 3 E 463 frequency response with various PZT loads Values shown are capacitance in nF measured in actual PZT WWW pi ws E 463 PZ 67E Release 1 2 0 Page 122. V on the negative terminal and O on the positive terminal you can be tempted to say that you are applying 200 V to the actuator For the actuator however this is the same as having 0 V on the negative lead and 200 V on the positive lead in both cases it sees a 200 V potential difference Some actuators actually use the labels 0 V and 1000 V on the corresponding leads E 463 PZ 67E Release 1 2 0 Page 4 Piezo Nano Positioning PI Quick Start ce Quick Start If you order the actuator and controller together and or provide PI with sufficient information about your application the actuator connector will be wired as required If you are connecting other actuators or wiring your own connector read the discussion of actuator type Section 1 3 carefully and any documentation that came with the actuator A PZTs Sensitive to Overvoltage or Reverse Polarity Exposing some PZTs to voltages too far outside their operating range will destroy the active element in the actuator Remember that the active element has only two terminals and is aware only of the potential difference between them A PZT with 250 V on the negative lead and 0 V on the positive lead sees 250 V Make sure that both the polarity and the voltage as seen by the PZT are within the allowable range Be aware that the E 463 is a High Voltage Amplifier capable of outputing voltages up to 1500 Volts The high output power may cause elect
3. only in part and only upon citation of the source First printing 2004 12 07 Document Number PZ 67E Release 1 2 0 E 463 User PZ67E120 doc This manual has been provided for information only and product specifications are subject to change without notice About this Document Users of this Manual This manual is designed to help the reader to install and operate the E 463 3 Channel HVPZT Amplifier It assumes that the reader has a fundamental understanding of basic electronics and applicable safety procedures The manual describes the physical specifications and dimensions of the E 463 3 Channel HVPZT Amplifier as well as the procedures which are required to put the associated motion system into operation Updated releases are available via FTP or email contact your Physik Instrumente sales engineer or write info pi ws Conventions The notes and symbols used in this manual have the following meanings Calls attention to a procedure practice or condition which if not correctly performed or adhered to could result in injury or death Indicates the presence of high voltage gt 50 V Calls attention to a procedure practice or condition which if not correctly performed or adhered to could result in injury or death CAUTION Calls attention to a procedure practice or condition which if not correctly performed or adhered to could result in damage to equipment Contents Introduction 2 T1 Safiey PIecallllOfiS
4. Advanced Test Equipment Rentals www atecorp com 800 404 ATEC 2832 S eS Established 1981 Piezo Nano Positioning PI PZ 67E User Manual E 463 3 Channel HVPZT Amplifier Release 1 2 0 Date 2004 12 07 A AAA Dine cocumenocoerpesit e ER E following product s B E 463 00 3 Channel HVPZT Amplifier Physik Instrumente PI GmbH amp Co KG Auf der R merstr 1 76228 Karlsruhe Germany Tel 49 721 4846 0 Fax 49 721 4846 299 Moving the NanoWorld www pi ws info pi ws www pi ws Declaration of Conformity according to ISO IEC Guide 22 and EN 45014 Manufacturer Physik Instrumente PI GmbH amp Co KG Manufacturer s Auf der R merstrasse 1 Address D 76228 Karlsruhe Germany The manufacturer hereby declares that the product Product Name High Voltage Amplifier Model Numbers E 463 00 Product Options none conforms to the following EMC Standards and normative documents Electromagnetic Emission EN 61000 6 3 EN 55011 Electromagnetic Immunity EN 61000 6 1 Safety Low Voltage Directive EN 61010 1 August 24 2004 Karlsruhe Germany I pet Dr Karl Spanner President Copyright 1999 2004 by Physik Instrumente PI GmbH amp Co KG Karlsruhe Germany The text photographs and drawings in this manual enjoy copyright protection With regard thereto Physik Instrumente PI GmbH amp Co KG reserves all rights Use of said text photographs and drawings is permitted
5. able of outputting voltages up to 1500 Volts The high output power may cause electrical shock or serious injuries if the device is handled improperly To avoid danger follow the instructions below Do not open the chassis while the line power cord is connected Do not touch any part that may be connected to the high voltage output Make sure that the metal casings of all PZT actuators connected to the HV output are properly grounded Wwww pi ws E 463 PZ 67E Release 1 2 0 Page 2 Piezo Nano Positioning PI Introduction PZTs Sensitive to Overvoltage or Reverse Polarity Exposing some PZTs to voltages too far outside their operating range will destroy the active element in the actuator Remember that the active element has only two terminals and is aware only of the potential difference between them A PZT with 250 V on the negative lead and 0 V on the positive lead sees 250 V Make sure that both the polarity and the voltage as seen by the PZT are within the allowable range 1 2 Features m Manual control mode 10 turn potentiometer B External control mode analog signal 10 volt wide range manual offset B Real time output LED display for each channel 1 3 Actuator Types and Terminology The HV actuators that can be connected to the controller have two conductors for the drive voltage The displacement of the actuator depends only on the signed voltage difference between these two leads It is important to unde
6. age changes as indicated on the corresponding display The displacement of the PZT depends on its expansion ratio um V 8 Before turning off the E 463 set all channels to zero output turn the DC Offset potentiometers full CCW and make sure the Control IN signals are at 0 V The above procedure assures that the system is working correctly in manual mode If you will be operating with one or more external control signals static or dynamic continue as follows 9 Make sure that the control signal is never below 6 6 V or above 10 V and varies by at most 10 V 10 Bring the control signal to its minimum level and connect it to Control IN 11 Use the corresponding DC offset potentiometer to adjust the output to the level desired usually O V E 463 PZ 67E Release 1 2 0 Page 6 Quick Start Piezo Nano Positioning PI CAUTION PZT Damage 12 When the control signal is varied by at most 10 V the output will change by an amount reflecting the gain factor of 150 Note that this covers a wider range than can be covered in manual operation 13 Repeat steps 9 to 12 for each channel you wish to connect WWW pi ws E 463 PZ 67E Release 1 2 0 Page 7 Piezo Nano Positioning PI Working Principle 3 Working Principle The output voltage is determined by the position of the 10 turn DC offset potentiometer in combination with the voltage on the Control Input BNC socket If Control In is held at O V the output vo
7. ation Channels Output Voltage Range Output Polarity Peak Current Max Average Output Current Peak power Max Average Power Control Voltage Input Voltage Gain Input Impedance Display Control input sockets PZT output sockets Line Voltage Fuse Dimensions Weight Operating Temperature E 463 PZ 67E Release 1 2 0 PI Piezo Nano Positioning Data High voltage DC power amplifier Driving up to 3 HVPZTs manually or by external analog signals 3 0 to 1500 V negative 4 mA for 5 ms 2 mA for gt 5 ms 6 W for 5 ms 3 W for 5 ms 10 volt maximum variation within 6 6 to 10 V range 150 1 1 M ohm 3 375 digit LED displays 3 BNC 3 LEMO ERA 0S 250 CTL 110 120 or 220 240 VAC selectable fuse change required 0 8 A for 230 V operation 1 6 A for 115 V operation slow blow fuses required 288 x 235 x 103 mm HxWxD 4 3 kg 5 C to 50 C over 40 C max av power derated 10 Page 9 Piezo Nano Positioning PI Technical Data 4 1 Front Panel Operating Elements E 463 HVPZT AMPLIFIER P I a PET e HIGH VOLTAGE HIGH VOLTAGE PZT i HIGH VOLTAGE Fig 1 E 463 Front panel layout B 3DC Offset Potentiometers 10 turn one for each channel B 3 Control voltage Input sockets BNC one for each channel B 3 High voltage output sockets LEMO 0 to 1500V one for each channel B 3 3 digit
8. i bacc osacu ot coppa t od etos at m pe aeos 2 WA SIP ANUNS Si net canes cc 3 13 Actuator Types and Terminology ccccccceccsseeeeeeseeeeeeeeeeees 3 T31 Bipolar ACUUALONS nc etes ais sous cues ves sane a x shes ten spe eu eeu paca 3 T32 Unipolar ACIU GIONS eaaa aa eon Rp eR ast aa N oa a 3 Quick Start 5 Working Principle 8 Technical Data 9 4 1 Front Panel Operating Elements sseseeessee 10 42 WSegPIagelusaesobiestunbbuuterdaumeabtdRn Ce ee ee eS mn ere 10 421 Woltage Selecto onin a A ciebuias 10 1 P MEE ZU C S AEE E AAA EE ORR OER 11 E 463 Frequency Response 12 Piezo Nano Positioning PI Introduction M Introduction E 463 00 HVPZT Amplifiers are bench top amplifiers for High Voltage Piezoelectric Translators HVPZTs The device contains three independent amplifiers capable of outputting and sinking a peak current of 4 mA and an average current of 3 mA each One side of the output is grounded the other ranges from 0 to 1500 V Negative polarity was chosen to comply with the requirements of common HVPZTs The output voltage can be set either manually via a 10 turn potentiometer or by analog control signals or both in combination Three 372 digit LED displays indicate the output voltage of the three channels 4 1 Safety Precautions Physik Instrumente PI advises you to read this important information Be aware that the E 463 is a High Voltage Amplifier cap
9. ltage be varied manually with the potentiometer in the range of 0 to 1000 V This is sometimes called manual operation With the DC offset potentiometer set to O full CCW the output voltage is controlled by an analog signal applied to the BNC input ranging from O to 10 V Multiplying by the gain factor of 150 an output voltage range from O to 1500 V results When used together with Control IN the DC offset potentiometer effectively allows shifting the 10 volt wide input voltage range inside the boundaries of 6 66 V and 10 V Example 1 A low frequency lt 1 Hz sinusoidal signal with an amplitude of 0 to 5 V is applied to the CONTROL INPUT socket The resulting output is a Sinusoidal signal with an amplitude of 0 to 50 V Example 2 A function generator with a 2 5 to 2 5 V peak peak 5V sinusoidal signal is connected to the CONTROL INPUT socket The resulting output will be clipped for negative inputs because the E 463 can not output positive voltages negative gain The actual output is the negative half of the sine wave with peak value of 375 V 2 5 V multiplied by a gain factor of 150 In order to get the full sine wave the input can be offset with the DC OFFSET potentiometer by 2 5 V The resulting output is a sinusoidal signal with an amplitude of O to 750 V peak peak like in example 1 WWW pi ws E 463 PZ 67E Release 1 2 0 Page 8 Technical Data el Technical WWW pi ws Function Applic
10. rical shock or serious injuries if the device is handled improperly To avoid danger follow the instructions below Do not open the chassis while the line power cord is connected Do not touch any part that may be connected to the high voltage output Make sure that the metal casings of all PZT actuators connected to the HV output are properly grounded WWW pi ws E 463 PZ 67E Release 1 2 0 Page 5 Quick Start Wwww pi ws Piezo Nano Positioning PI First check the unit in manual operating mode as follows 1 Read the Danger Warning above Perform the following steps with care 2 Being careful not to exceed allowable force limits mount the PZT actuators for your application see the PZT Mounting Guidelines included with the actuators on a separate sheet 3 Make sure the E 463 power supply is set to allow operation at the proper voltage range Two ranges are available from 100 to120 V and from 220 to240 VAC The line fuses need to be replaced when the supply voltage range setting is changed see p 10 for details 4 Turn the DC OFFSET potentiometer to O i e counter clockwise CCW to the hard stop 5 With the amplifier still powered down connect the actuators to the HV output LEMO connectors on the E 463 front panel 6 Connect the line cord and switch the power on 7 Being careful not to exceed the maximum voltage rating of the connected PZT turn the corresponding DC offset potentiometer slowly CW The volt
11. rstand the type of actuator being connected 1 3 1 Bipolar Actuators Bipolar actuators can be driven with either a positive or negative potential difference between the drive leads Because the E 463 can supply only one output polarity it is not particularly suited for bipolar actuators 1 3 2 Unipolar Actuators It is important to understand the designations positive and negative when used with unipolar actuators These designations refer to the placement and perhaps the labeling Wwww pi ws E 463 PZ 67E Release 1 2 0 Page 3 Introduction Wwww pi ws Piezo Nano Positioning PI of conductors on the piezo or in the coaxial connecting cable They originate with the idea that if one side of the actuator is tied to ground it is safer to have the dangerous voltage farther away from the user e g in the core of coaxial cable or not at the end of a stack Unipolar piezos can withstand only limited reverse voltages typically less than 25 of the full operating range Forward voltage always has the positive terminal at a higher potential than the negative terminal even if the actuator is referred to as a negative type Since so called 1500 V unipolar actuators were designed with the idea that the positive terminal would be connected to 0 V and the negative terminal range to 1500 V there is some confusion when it comes to speaking about the voltage applied to and seen by the actuator If you put 200
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