PI MP125E User Manual
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PI MP125E User Manual

Linear actuator
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MP125E
N-470 Linear Actuator
User Manual
Version: 2.1.0
Physik Instrumente (PI) GmbH & Co. KG, Auf der Römerstraße 1, 76228 Karlsruhe, Germany
Phone +49 721 4846-0, fax +49 721 4846-1019, e-mail info@pi.ws, www.pi.ws
Date: 29.09.2023
This document describes the following products:
N-470.x10/.x10Y, N-470.x1V/.x1VY
PiezoMike linear actuator, M10×1 thread
N-470.x20/.x20Y, N-470.x2V
PiezoMike linear actuator, 9.5 mm (0.375")
clamping shank
Models:
x stands for the travel range:
1 = 7 mm
2 = 13 mm
Y: Turned cable exit
0: Not suitable for use in a vacuum
V: Vacuum compatible to 10
hPa
-6

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  • Page 1 Y: Turned cable exit 0: Not suitable for use in a vacuum V: Vacuum compatible to 10 Physik Instrumente (PI) GmbH & Co. KG, Auf der Römerstraße 1, 76228 Karlsruhe, Germany Phone +49 721 4846-0, fax +49 721 4846-1019, e-mail 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 © 2023 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 Audience 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 2.2.1 Organizational Measures ................
  • Page 4 Maintenance Troubleshooting Customer Service Department Technical Data 10.1 Specifications ......................35 10.1.1 Data Table ....................35 10.1.2 Materials Used for Vacuum-Compatible Models ........38 10.1.3 Maximum Ratings ..................38 10.1.4 Ambient Conditions and Classifications ............39 10.2 Step Size and Axial Force ..................40 10.3 Lifetime ........................

  • Page 5: About This Document

    Failure to comply could lead to death or serious injury.  Precautionary measures for avoiding the risk. NOTICE Dangerous situation Failure to comply could cause damage to equipment.  Precautionary measures to avoid the risk. INFORMATION Information for easier handling, tricks, tips, etc. N-470 Linear Actuator MP125E Version: 2.1.0...

  • Page 6: Figures

    For better understandability, the colors, proportions, and degree of detail in illustrations can deviate from the actual circumstances. Photographic illustrations may also differ and must not be seen as guaranteed properties. Other Applicable Documents The devices and software tools from PI mentioned in this documentation are described in separate manuals. Product Document E-872.401 Q-Motion®...

  • Page 7: Downloading Manuals

    If a manual is missing or problems occur with downloading:  Contact our customer service department (p. 33). Downloading manuals 1. Open the website www.pi.ws. 2. Search the website for the product number (e.g., N-470). 3. Click the corresponding product to open the product detail page.

  • Page 9: Safety

     Use the N-470 for its intended purpose only, and only when it is in perfect condition.  Read the user manual.  Immediately eliminate any faults and malfunctions that are likely to affect safety. The operator is responsible for installing and operating the N-470 correctly. N-470 Linear Actuator MP125E Version: 2.1.0...

  • Page 10: Organizational Measures

    Measures for Handling Vacuum-Compatible Products When handling the vacuum version of the linear actuator, attention must be paid to appropriate cleanliness. At PI, all parts are cleaned before assembly. During assembly and measurement, powder-free gloves are worn. Afterwards, the linear actuator is cleaned once again by wiping and shrink-wrapped twice in vacuum-compatible film.

  • Page 11: Product Description

    Third character 0 = not suitable a vacuum V = up to 10 Fourth character Position of the No entry = standard cable exit cable exit Y = turned cable exit (i.e., turned by 180°) N-470 Linear Actuator MP125E Version: 2.1.0...
  • Page 12 PiezoMike linear actuators with clamping shank, vacuum-compatible to 10 Model Description N-470.12V PiezoMike linear actuator, 7 mm, 9.5 mm (0.375") clamping shank, vacuum compatible to 10 N-470.22V PiezoMike linear actuator, 13 mm, 9.5 mm (0.375") clamping shank, vacuum compatible to 10 Version: 2.1.0 MP125E N-470 Linear Actuator...

  • Page 13: Product View

    Base body M10×1 mounting nut M10×1 mounting thread Ball tip for connecting to the movable part of the mechanical mounting Unscrew lock (circlip) for fine-threaded screw Product labeling Cable for connecting to the electronics N-470 Linear Actuator MP125E Version: 2.1.0...
  • Page 14 Product labeling Cable for connecting to the electronics Directions of Motion Figure 3: Directions of motion of the N-470 Pay attention to further information on the operating conditions in the "Technical Data" section (p. 35). Version: 2.1.0 MP125E N-470 Linear Actuator...

  • Page 15: Product Labeling

    3 Product Description Product Labeling Figure 4: N-470: Product labeling Figure 5: Type plate (N-470.410 as an example) Figure 6: Laser inscription (for vacuum-compatible models, N-470.21V as an example) N-470 Linear Actuator MP125E Version: 2.1.0...

  • Page 16: Scope Of Delivery

    Linear actuator according to order (p. 7) 000049906 Hook wrench MP171EK Short instructions for PiezoMike linear actuators For vacuum-compatible models only: K030B1279 LEMO cable, 3-pin to open end, 2 m, on the air side Version: 2.1.0 MP125E N-470 Linear Actuator...

  • Page 17: Suitable Electronics

    (for connecting the N-470 to older E-870 drive electronics) N-400.AML Adapter, mini-DIN to LEMO 3-pole (for connecting older N-470 to the E-872.401 drive electronics)  To order, contact our customer service department (p. 33). N-470 Linear Actuator MP125E Version: 2.1.0...

  • Page 19: Unpacking

    INFORMATION When handling the vacuum version of the linear actuator, attention must be paid to appropriate cleanliness. At PI, all parts are cleaned before assembly. During assembly and measurement, powder-free gloves are worn. Afterwards, the linear actuator is cleaned once again by wiping and is then shrink-wrapped twice in vacuum-compatible film.

  • Page 21: Installing

     Install the N-470 so that the application is not impaired by the dissipated heat.  Ensure sufficient ventilation at the place of installation.  Pay attention to the operating conditions (duty cycle, ambient temperature) according to the specifications in "Technical Data" (p. 35). N-470 Linear Actuator MP125E Version: 2.1.0...
  • Page 22 NOTICE Damage from unsuitable cables! Unsuitable cables can damage the electronics.  Only use the cables provided by PI for connecting the N-470 to the electronics. NOTICE Dirt, condensation, lubricants! Dirt, condensation and inappropriately applied lubricant render the drive inoperable.

  • Page 23: Installing The Linear Actuator Into A Mechanical Mounting And Connecting It To The Protective Earth Conductor

    Figure 7: Models with thread: Relevant components for installation in the mechanical mounting (presently: N-470.x10) M10×1 mounting nut Mounting thread Ball tip N-470 Linear Actuator MP125E Version: 2.1.0...
  • Page 24 The mechanical mounting must be connected to the protective earth conductor. The contact surface of the mechanical mounting to the mounting nut or thread or − clamping shank of the N-470 must be electrically conductive. Version: 2.1.0 MP125E N-470 Linear Actuator...
  • Page 25 2. Remove the mounting nut from the clamping shank of the N-470. 3. Position the N-470 in the mechanical mounting of your application. 4. Manually screw the mounting nut of the N-470 a few turns into the thread of the clamping shank. N-470 Linear Actuator MP125E Version: 2.1.0...

  • Page 26: Preparing A Vacuum-Compatible N-470 For Connecting To The Electronics

    Assigning the stranded wires and the cable shield Letter Wire color Function Signal Vacuum-side Air-side actuator cable connecting cable White Piezo voltage 0 to 80 V PIEZO+ Black Brown Piezo voltage ground PIEZO- Bare cable shield Version: 2.1.0 MP125E N-470 Linear Actuator...
  • Page 27 Connect the cable shield according to the figure above. If the cable shield cannot be connected to a pin, connect the respective cable shield to the housing. 2. Check the lines for contacting and short-circuiting using a suitable measuring device. N-470 Linear Actuator MP125E Version: 2.1.0...

  • Page 29: Starting And Operating

    Operating voltage excessively high or incorrectly connected! Excessively high or wrongly connected operating voltages can damage the N-470.  Operate the N-470 with controllers/drivers and original accessories from PI.  Do not exceed the operating voltage range (p. 38) specified for the N-470.
  • Page 30 Contact with hard objects can damage the thread of the fine-threaded screw. A damaged thread can lead to the failure of the linear actuator.  Prevent the fine-threaded screw from coming into contact with hard objects. Version: 2.1.0 MP125E N-470 Linear Actuator...
  • Page 31 The inertia drive generates noise in step mode. The noise generation depends on the current step frequency. Pay attention to further information on the operating conditions in the "Technical Data" section (p. 35). The N-470 is put into operation with suitable electronics (p. 13) from PI. N-470 Linear Actuator MP125E Version: 2.1.0...

  • Page 32: Operating Parameters

     Install the PI Update Finder onto your PC and update the positioner database on your PC. You can find the PI Update Finder on the data storage device which is included in the electronics' scope of delivery.
  • Page 33 7 Maintenance Maintenance If the N-470 is operated in a clean environment, no maintenance is required. If you would like your device to be serviced, please contact our customer service department (p. 33). N-470 Linear Actuator MP125E Version: 2.1.0...
  • Page 35 If the problem that occurred with your system is not listed in the table above or cannot be solved as described, contact our customer service department (p. 33). N-470 Linear Actuator MP125E Version: 2.1.0...
  • Page 37 9 Customer Service Department Customer Service Department For inquiries and orders, contact your PI sales engineer or send us an email (service@pi.de).  If you have questions concerning your system, provide the following information: − Product and serial numbers of all products in the system −...

  • Page 39: Technical Data

    10 Technical Data Technical Data Subject to change. You can find the latest product specifications on the product web page at www.pi.ws (https://www.pi.ws). In this Chapter Specifications ..........................35 Step Size and Axial Force ......................40 Lifetime ............................41 Operating Time and Duty Cycle ....................42 Dimensions ..........................
  • Page 40 FFA.0S.303.CLAC Cable length Recommended controllers / drivers E-872.401 E-872.401 E-872.401 E-872.401 Maximum velocity in X, unloaded: Not suitable for continuous operation (refer to "Operating Time and Duty Cycle" (p. 42)). Ask about customized versions. Version: 2.1.0 MP125E N-470 Linear Actuator...
  • Page 41 Maximum velocity in X, unloaded: Not suitable for continuous operation (refer to "Operating Time and Duty Cycle" (p. 42)). Cable length / connector: 1 m connecting cable from the actuator, cable end with bare wire strands; 2 m separate connecting cable, bare wire strands to 3-pole LEMO connector. Ask about customized versions. N-470 Linear Actuator MP125E Version: 2.1.0...

  • Page 42: Materials Used For Vacuum-Compatible Models

    80 V (peak-to-peak) 400 Hz N-470.xx0Y N-470.xxV 80 V (peak-to-peak) 200 Hz N-470.xxVY * Up to 2000 Hz is permissible for short periods of time. See the "Operating Time and Duty Cycle" (p. 42). Version: 2.1.0 MP125E N-470 Linear Actuator...

  • Page 43: Ambient Conditions And Classifications

    -20 °C to 75 °C Maximum bakeout 120 °C, for 12 hours, only in switched-off state temperature for N-470.xxV, .xxVY models Overvoltage category Protection class Degree of pollution Degree of protection IP30 according to IEC 60529 N-470 Linear Actuator MP125E Version: 2.1.0...

  • Page 44: Step Size And Axial Force

    The active feed force is specified as 22 N (see "Technical Data"). Figure 11: Typical step size in nm vs. axial force in N Version: 2.1.0 MP125E N-470 Linear Actuator...

  • Page 45: Lifetime

    N-470 linear actuator is specified as >1,000,000,000 steps at ambient conditions (>50,000,000 steps under vacuum conditions). Over this time, the typical step size decreases by maximum 30 %. Figure 12: Typical step size in nm vs. number of steps N-470 Linear Actuator MP125E Version: 2.1.0...

  • Page 46: Operating Time And Duty Cycle

    * To be set via the Maximum Motor Output operating parameter (0x9) for the E-872.401 respectively PIShift Steps per Second for the E-870. The following graph shows the operating time in seconds depending on the number of steps per second. Figure 13: Operating time in s vs. steps/s Version: 2.1.0 MP125E N-470 Linear Actuator...
  • Page 47 1000 10 s 20 % / 40 s unlimited unlimited ≤200 * To be set via the Maximum Motor Output operating parameter (0x9) for the E-872.401 respectively PIShift Steps per Second for the E-870. N-470 Linear Actuator MP125E Version: 2.1.0...
  • Page 48 Operating time in s vs. steps/s (vacuum versions of the N-470) The following graph shows the duty cycle in % depending on the number of steps per second. Figure 16: Duty cycle in % vs. steps/s (vacuum versions of the N-470) Version: 2.1.0 MP125E N-470 Linear Actuator...

  • Page 49: Dimensions

     Take note: In the case of the N-470.xxxY models, the cable exit is located exactly opposite to the position shown in the dimensional drawings. 10.5.2 Models with M10×1 Thread Figure 17: Dimensions N-470.x1x N-470.11x N-470.21x Unit N-470.11xY N-470.21xY 53.5 B (travel range) 7 N-470 Linear Actuator MP125E Version: 2.1.0...

  • Page 50: Models With Clamping Shank

    10 Technical Data 10.5.3 Models with Clamping Shank Figure 18: Dimensions N-470.x2x N-470.12x N-470.22x Unit N-470.12xY N-470.22xY 53.5 B (travel range) 7 Version: 2.1.0 MP125E N-470 Linear Actuator...

  • Page 51: Pin Assignment

    Cable on the vacuum Cable on the air side side Input: Piezo + (0 to 80 V) White Input: Piezo - (GND) Black Brown Not connected Cable shield Connected to the connector Bare Bare shell N-470 Linear Actuator MP125E Version: 2.1.0...

  • Page 53: Old Equipment Disposal

    Dispose of your old equipment according to international, national, and local rules and regulations. To fulfill the 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 55 For the N-470, 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 N-470 Linear Actuator MP125E Version: 2.1.0...

This manual is also suitable for:

N-470

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