PI P-2 5 Series User Manual
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PI P-2 5 Series User Manual

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PZ245E
P-2x5 Piezo Actuator
User Manual
Version: 1.1.1
Physik Instrumente (PI) GmbH & Co. KG, Auf der Roemerstrasse 1, 76228 Karlsruhe, Germany
Phone +49 721 4846-0, Fax +49 721 4846-1019, Email info@pi.ws, www.pi.ws
Date: 24.05.2022
This document describes the following products:
P-225
Preloaded high-load piezo actuator
P-225.10/.20/.40/.80: Without sensor
P-225.10V/.20V/.40V/.80V: Without sensor;
high temperature range and high vacuum
P-225.1S/.2S/.4S/.8S: With sensor
P-225.1SV/.2SV/.4SV/.8SV: With sensor; high
temperature range and high vacuum
P-235
Preloaded high-load piezo actuator
P-235.10/.20/.40/.80/.90: without sensor
P-235.10V/.20V/.40V/.80V/.90V: without
sensor; high-temperature range and high
vacuum
P-235.1S/.2S/.4S/.8S/.9S: with sensor
P-235.1SV/.2SV/.4SV/.8SV/.9SV: with sensor;
high-temperature range and high vacuum

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  • Page 1 P-235.1S/.2S/.4S/.8S/.9S: with sensor P-235.1SV/.2SV/.4SV/.8SV/.9SV: with sensor; high-temperature range and high vacuum Physik Instrumente (PI) GmbH & Co. KG, Auf der Roemerstrasse 1, 76228 Karlsruhe, Germany Phone +49 721 4846-0, Fax +49 721 4846-1019, Email info@pi.ws, www.pi.ws...
  • Page 2 The patents held by PI are found in our patent list: https://www.physikinstrumente.com/en/about-pi/patents © 2022 Physik Instrumente (PI) GmbH & Co. KG, Karlsruhe, Germany. The text, photographs and drawings in this manual are protected by copyright. With regard thereto, Physik Instrumente (PI) GmbH & Co. KG retains all the rights.

  • Page 3: Table Of Contents

    Contents About this Document Objective and Target Group of this User Manual ............1 Symbols and Typographic Conventions..............1 Figures ........................2 Other Applicable Documents ..................2 Downloading Manuals ....................3 Safety Intended Use ......................5 General Safety Instructions ..................5 Organizational Measures ....................
  • Page 4 6.2.1 Overview of Limiting Factors ............... 30 6.2.2 Calculating the Effective Mass ..............31 6.2.3 Calculating the Maximum Operating Frequency of the Loaded Piezo Actuator ....................... 31 6.2.4 Calculating the Forces that Occur During Dynamic Operation ....32 6.2.5 Calculating the Power Requirement for Sinusoidal Operation ....32 Operating the P-2x5 ....................

  • Page 5: About This Document

    1 About this Document About this Document In this Chapter Objective and Target Group of this User Manual ................1 Symbols and Typographic Conventions ..................1 Figures ............................2 Other Applicable Documents ......................2 Downloading Manuals ........................3 Objective and Target Group of this User Manual This user manual contains the information required for using the P-2x5 as intended ("x"...

  • Page 6: Figures

    Other Applicable Documents The devices and software tools from PI mentioned in this documentation are described in separate manuals. The latest versions of the user manuals are available for download (p. 3) on our website.

  • Page 7: Downloading Manuals

    If a manual is missing or problems occur with downloading:  Contact our customer service department (p. 39). Downloading Manuals 1. Open the website www.pi.ws. 2. Search the website for the product number (e.g., P-225) or the product family (e.g., PICA Power).

  • Page 9: Safety

    The intended use of the P-2x5 is only possible in a completely mounted and connected state and only in combination with suitable drive or control electronics (p. 12) available from PI. The electronics is not included in the scope of delivery of the P-2x5.

  • Page 10: Organizational Measures

    2 Safety Temperature changes and compressive stresses can induce charges in the P-2x5 piezo actuator. After being disconnected from the electronics, the piezo actuator can stay charged for several hours. Touching the live parts of the P-2x5 can result in serious injury or death from electric shock.

  • Page 11: Product Description

    3 Product Description Product Description In this Chapter Model Overview ..........................7 Product View ..........................10 Scope of Delivery ......................... 12 Suitable Electronics ........................12 Accessories ........................... 13 Technical Features ........................15 Model Overview INFORMATION Optional accessories are available for the P-2x5 piezo actuators that have to be integrated during the manufacturing of the P-2x5 (p.
  • Page 12 3 Product Description Piezo actuators without a sensor, suitable for high-temperature range and high vacuum Model Description P-225.10V Preloaded high-load piezo actuator, 15 µm, 1000 V, 12500 N, high temperature / vacuum P-225.20V Preloaded high-load piezo actuator, 30 µm, 1000 V, 12500 N, high temperature / vacuum Preloaded high-load piezo actuator, 60 µm, 1000 V, 12500 N, high temperature P-225.40V...
  • Page 13 3 Product Description Piezo actuators with a sensor, suitable for high-temperature range and high vacuum Model Description P-225.1SV Preloaded high-load piezo actuator, 15 µm, 1000 V, 12500 N, SGS, high temperature / vacuum P-225.2SV Preloaded high-load piezo actuator, 30 µm, 1000 V, 12500 N, SGS, high temperature / vacuum Preloaded high-load piezo actuator, 60 µm, 1000 V, 12500 N, SGS, high P-225.4SV...

  • Page 14: Product View

    3 Product Description Product View 3.2.1 Overview The figure serves as an example and can differ from your model. Figure 1: Exemplary product view Housing, consisting of: 1a: Base with wrench flats 1b: Housing tube Not shown here: Optional inlets and outlets for purge air, optional water protection Tip with wrench flat and M8 inner thread Cable exit for piezo voltage...

  • Page 15: Product Labeling

    Warning sign "Pay attention to the manual!" Old equipment disposal (p. 51) Country of origin: Germany Country of origin WWW.PI.WS Manufacturer's address (website) CE conformity mark Symbol for the protective earth conductor, marks the protective earth connector of the P-2x5 (p. 22) Figure 2: P-2x5: Warning sign "DANGER"...

  • Page 16: Scope Of Delivery

    3 Product Description Scope of Delivery Product no. Description P-2x5 Piezo actuator according to order (p. 7) 000036450 M4 screw set for protective earth, consisting of:  1 M4x8 flat-head screw with cross recess, ISO 7045 2 safety washers  2 flat washers ...

  • Page 17: Accessories

    3 Product Description Product no. Description E-500 Modular piezo controller (example configuration) High-voltage piezo amplifier for PICA HVPZT, 3 channels, with PC interface and display, consisting of: 1 × E-500.00 19" housing for modular piezo controller system, 1 to 3 channels 3 ×...
  • Page 18 3 Product Description Product no. Description P-203.01 Extension cable for PICA HVPZT actuators, 1 m P-203.02 Extension cable for PICA HVPZT actuators, 2 m P-203.03 Extension cable for PICA HVPZT actuators, 3 m P-203.05 Extension cable for PICA HVPZT actuators, 5 m P-203.10 Extension cable for PICA HVPZT actuators, 10 m P-203.15...

  • Page 19: Technical Features

    3 Product Description Technical Features 3.6.1 PICA Piezo Actuators P-2x5 are PICA preloaded high-load piezo actuators for static and dynamic applications. They have a submillisecond response time and subnanometer resolution. The piezo actuators have a friction-free, preloaded PICA Power piezo ceramic that is integrated in a stainless-steel housing.

  • Page 21: Unpacking

    4 Unpacking Unpacking NOTICE Destruction of the piezo actuator due to rapid discharging! If the P-2x5 is not connected to the electronics, the lines on the voltage connection must be short-circuited in order to prevent the piezo actuator from charging during temperature changes and compressive stresses.
  • Page 22 When handling the vacuum version of the piezo actuator, appropriate cleanliness must be ensured. At PI, all parts are cleaned before assembly. During assembly and calibration, powder- free gloves are worn. Afterwards, the piezo actuator is cleaned once again by wiping and shrink-wrapped twice in vacuum-compatible film.

  • Page 23: Installation

    5 Installation Installation In this Chapter General Notes on Installing ......................19 Connecting the P-2x5 to the Protective Earth Conductor ............22 Mounting the P-2x5 ........................23 Optional: Mounting a Tip ......................24 Fixing the Load ..........................25 Optional: Connecting the Purge Air ..................... 25 General Notes on Installing NOTICE Destruction of the piezo actuator due to rapid discharging!
  • Page 24 NOTICE Damage due to unsuitable cables! Unsuitable cables can damage the P-2x5 and the electronics.  Use cables provided by PI only to connect the P-2x5 to the electronics. NOTICE Heating up of the P-2x5 during operation! The heat produced during operation of the P-2x5 can affect your application.
  • Page 25 5 Installation Avoiding mounting errors Piezo actuators may only be loaded axially. The following figures are to help you avoid mounting errors. Figure 4: Not tightly screwed at both ends and no angles A: Wrong: Angular error at the tip B: Right: Axial loading of the actuator C: Wrong: Both ends of the actuator screwed in tight Figure 5:...

  • Page 26: Connecting The P-2X5 To The Protective Earth Conductor

    5 Installation Figure 6: No lateral forces or torques A: Wrong: Shearing force from lateral force B: Right: Axial loading of the actuator C: Wrong: Torsion from torque Connecting the P-2x5 to the Protective Earth Conductor INFORMATION  Pay attention to the applicable standards for connecting the protective earth conductor. INFORMATION ...

  • Page 27: Mounting The P-2X5

    5 Installation Tools and accessories Suitable protective earth conductor: Cable cross section ≥0.75 mm and protective  earth conductor resistance <0.1 Ω at 25 A M4 protective earth screw set (p. 12) supplied for connecting the protective earth  conductor Suitable screwdriver ...

  • Page 28: Optional: Mounting A Tip

    5 Installation Tools and accessories M8 screw of suitable length; see "Dimensions" (p. 45)  Open-end wrench AF 27  Suitable screwdriver  Mounting the P-2x5 1. Use an SW 27 open-end wrench to hold the base of the P-2x5. 2.

  • Page 29: Fixing The Load

    5 Installation Fixing the Load Requirements  You have read and understood the general notes on installing (p. 19).  The P-2x5 is discharged (p. 34) and short-circuited by the shorting plug (p. 12) provided. Tools and accessories M8 screw of suitable length; see "Dimensions" (p. 45) ...
  • Page 30 5 Installation Figure 8: P-2x5: Purge air connector with P-177.50 option Inlet for purge air, M3-PK-2 plug nipple Outlet for purge air, M3-PK-2 plug nipple Requirements  You have read and understood the general notes on installing (p. 19).  The P-2x5 is discharged (p. 34) and short-circuited by the shorting plug (p. 12) provided. Tools and accessories Hoses for feeding and discharging the purge air, suitable for M3-PK-2 plug nipple ...

  • Page 31: Starting And Operating

    6 Starting and Operating Starting and Operating In this Chapter General Notes on Starting and Operating ................... 27 Determining the Operating Parameters ..................30 Operating the P-2x5 ........................33 Discharging the P-2x5 ........................34 General Notes on Starting and Operating DANGER Risk of electric shock if the protective earth conductor is not connected! If a protective earth conductor is not or not properly connected, dangerous touch voltages can...
  • Page 32 6 Starting and Operating NOTICE Destruction of the piezo actuator due to electric flashovers! Using the P-2x5 in environments that increase the electrical conductivity can lead to the destruction of the piezo actuator by electric flashovers. Electric flashovers can be caused by moisture, high humidity, liquids, and conductive materials (e.g., metal dust).
  • Page 33 Operating voltages that are too high or incorrectly connected can cause damage to the P-2x5.  Operate the P-2x5 only with controllers/drivers and original accessories from PI.  Do not exceed the operating voltage range (p. 43) specified for the P-2x5.

  • Page 34: Determining The Operating Parameters

    6 Starting and Operating Determining the Operating Parameters 6.2.1 Overview of Limiting Factors Limiting factors for the operation of the piezo actuator: Resonant frequency:  The operating frequency must not exceed one third of the resonant frequency of the loaded piezo actuator: −...

  • Page 35: Calculating The Effective Mass

    6 Starting and Operating 6.2.2 Calculating the Effective Mass Figure 9: Calculation of the effective mass of a unilaterally clamped piezo stack actuator without load (left) and with additional load (right). 1. Find the mass m of your piezo actuator in the data table (p. 41). 2.

  • Page 36: Calculating The Forces That Occur During Dynamic Operation

    6 Starting and Operating 1. Calculate the resonant frequency of the loaded piezo actuator with the following formula: ' = Resonant frequency of the loaded piezo actuator [Hz] = Resonant frequency of the unloaded piezo actuator [Hz]; see "Data Table" (p. 41). = Effective mass;...

  • Page 37: Operating The P-2X5

    6 Starting and Operating Variable Description Notes Required average current of the It is essential that the power supply can amplifier (source / sink) [A] supply enough current. Required peak current of the amplifier The provided peak current depends on (source / sink) [A] the internal storage capacity of the amplifier.

  • Page 38: Discharging The P-2X5

    In open-loop operation:  Set the piezo voltage to 0 V on the electronics. Discharging a P-2x5 not connected to the electronics  Connect the piezo actuator's voltage plug to the switched-off electronics from PI. Version: 1.1.1 PZ245E P-2x5 Piezo Actuator...

  • Page 39: Maintenance

    7 Maintenance Maintenance In this Chapter General Notes on Maintenance ....................35 Cleaning the P-2x5 ........................35 General Notes on Maintenance The P-2x5 is maintenance-free. Cleaning the P-2x5 NOTICE Destruction of the piezo actuator by electric flashovers! The intrusion of fluids into the case of the piezo actuator can lead to the destruction of the piezo actuator by electric flashovers.
  • Page 40 7 Maintenance Cleaning the P-2x5 Only when the piezo actuator is not used in vacuum:  If necessary, clean the P-2x5 surface with a cloth dampened with a mild cleanser or disinfectant (e.g., isopropyl alcohol). Only when the piezo actuator is used in vacuum: ...

  • Page 41: Troubleshooting

    (p. 41). The E-481 or E-482 If the piezo actuator is equipped with the option electronics from PI has "PT1000 temperature sensor and purge air deactivated the voltage connector for PICA high-voltage piezo actuators" output due to overheating (p.
  • Page 42 8 Troubleshooting Problem Possible causes Solution Reduced P-2x5 or controller has  Recalibrate the axis displacement (see accuracy been replaced controller manual) or contact our customer service department (p. 39). Axes were mixed up With calibrated systems: during connection  Pay attention to the assignment of the axes when connecting several piezo actuators to a multi-channel controller.

  • Page 43: Customer Service

    9 Customer Service Customer Service For inquiries and orders, contact your PI sales engineer or send us an email (service@pi.de).  If you have any questions concerning your system, provide the following information: − Product and serial numbers of all products in the system −...

  • Page 45: Technical Data

    E-508 E-508 * Dynamic small-signal stiffness is approx. 50 % higher. The resolution of the system is only limited by the noise of the amplifier and measuring technology because PI piezo actuators are free of friction. P-2x5 Piezo Actuator PZ245E...
  • Page 46 E-508 * Dynamic small-signal stiffness is approx. 50 % higher. The resolution of the system is only limited by the noise of the amplifier and measuring technology because PI piezo actuators are free of friction. The operating voltage should not exceed 750 V in continuous operation.

  • Page 47: Maximum Ratings

    10 Technical Data 10.1.2 Maximum Ratings P-2x5 piezo actuators are designed for the operating data specified in the table below. The permissible maximum values apply to operation with a sinusoidal signal. If you want to operate the piezo actuator with a square wave signal at a high frequency, contact our customer service department (p.

  • Page 48: Ambient Conditions And Classifications

    10 Technical Data 10.1.3 Ambient Conditions and Classifications The following ambient conditions and classifications for the P-2x5 must be observed: Area of application For indoor use only Maximum altitude 2000 m Air pressure P-2x5.xx models: P-2x5.xxV models: 1100 hPa to 100 hPa 1100 hPa to 100 hPa 1 hPa to 10 Relative humidity...

  • Page 49: Dimensions

    10 Technical Data 10.2 Dimensions 10.2.1 P-2x5 Piezo Actuator Dimensions in mm. Note that the decimal points are separated by a comma in the drawings. Figure 10: P-2x5 1: Sensor (only with models with position sensor and/or with P-177.50 option) 2: Piezo L [mm] Ø...

  • Page 50: P-2X5 With P-177.50 Option (Temperature Sensor And Purge Air Connector)

    10 Technical Data 10.2.2 P-2x5 with P-177.50 Option (Temperature Sensor and Purge Air Connector) The M3-PK-2 plug nipples are provided for the purge air connector when the P-2x5 is ordered with the option "PT1000 temperature sensor and purge air connector for PICA HVPZT" (P-177.50) (p.

  • Page 51: Flat Tips P-176.F25 And P-176.F35

    10 Technical Data 10.2.5 Flat Tips P-176.F25 and P-176.F35 Figure 12: P-176.F25 (1 = Plane hardened and polished) Figure 13: P-176.F35 (1 = Plane hardened and polished) P-2x5 Piezo Actuator PZ245E Version: 1.1.1...

  • Page 52: Vacuum Feedthrough For High-Voltage Piezo Actuators

    10 Technical Data 10.2.6 Vacuum Feedthrough for High-Voltage Piezo Actuators LEMO SJG.0B.701.CJA.1173 (part of the P-203.VA option for high-voltage piezo actuators) Figure 14: Vacuum feedthrough LEMO SJG.0B.701.CJA.1173 Designation Description Outer body O-ring, Ø 12x1.5 LEMO device socket, "J" coded, EGJ.0B.701.CJA, flange side (atmosphere) LEMO device socket, "G"...

  • Page 53: Vacuum Feedthroughs For Sensors

    10 Technical Data 10.2.7 Vacuum Feedthroughs for Sensors The dimensions of the following vacuum feedthroughs are identical: LEMO SWH.0S.304.CLLSV (part of the P-892.VA option for SGS)  LEMO SWH.0S.303.CLLSV (part of the P-899.VA option for temperature sensor)  Figure 15: LEMO SWH.0S.30x.CLLSV 14 mm 13.8 mm...

  • Page 54: Pin Assignment

    10 Technical Data 10.3 Pin Assignment 10.3.1 Voltage Connection LEMO FGG.0B.701.CJA.1173 Connector (front Signal Function view) Input Piezo voltage 1000 V (female) Ground (male) The connector shell is connected to the cable shield. 10.3.2 Connection of the Position Sensor LEMO FFA.0S.304.CLA Connector (front Signal Function...

  • Page 55: Old Equipment Disposal

    Dispose of your old equipment according to international, national, and local rules and regulations. In order to fulfill its responsibility as the product manufacturer, Physik Instrumente (PI) GmbH & Co. KG undertakes environmentally correct disposal of all old PI equipment made available on the market after 13 August 2005 without charge.
  • Page 57 12 European Declarations of Conformity European Declarations of Conformity For the P-2x5, declarations of conformity were issued according to the following European statutory requirements: Low Voltage Directive EMC Directive RoHS Directive The standards applied for certifying conformity are listed below. Safety (Low Voltage Directive): EN 61010-1 EMC: EN 61326-1 RoHS: EN IEC 63000...

This manual is also suitable for:

P-225P-235

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