PI P-844 User Manual Download Page 5

2

About this Document

2.1

Objective and Target Group

This user manual contains the information needed for the intended use of the P-844.
Basic knowledge of closed-loop systems, motion control concepts, and applicable safety
measures is assumed.

2.2

Explanation of Symbols

This chapter explains the symbols and markings used by PI in their user manuals.

2.2.1

Typographic Conventions

Symbol / Label

Meaning

1.  
2.  

Action consisting of several steps whose sequential order must be ob-
served

 

List items

p. 5

Cross-reference to page 5

RS-232

Labeling of an operating element on the product (example: socket of
the RS-232 interface)

Start > Settings

Menu path in the PC software (example: to open the menu, the 

Start

and 

Settings menus must be clicked successively)

POS?

Command line or a command from PI's General Command Set (GCS)
(example: command to get the axis position)

Device S/N

Parameter name (example: parameter where the serial number is stor-
ed)

5

Value that must be entered or selected via the PC software

2.2.2

Symbols Used

Symbol / Label

Meaning

General hazard symbol

DANGER

Dangerous situation

Failure to observe can lead to death or serious injury.

Measures for avoiding the risk.

WARNING

Dangerous situation

Failure to observe can lead to serious injury.

Action to take to avoid the risk.

2  ABOUT THIS DOCUMENT

P844M0001EN 

 11/13/2018

5

M O T I O N   |   P O S I T I O N I N G

Summary of Contents for P-844

Page 1: ...P844M0001EN 11 13 2018 User Manual P 844 PRELOADED PIEZO ACTUATORS M O T I O N P O S I T I O N I N G...

Page 2: ...le Electronics 10 5 Unpacking 11 6 Installation 12 6 1 Avoiding Mounting Errors 12 6 2 Mounting the P 844 and Connecting to a Protective Earth Conductor 13 6 3 Fixing the Load 14 6 4 Connecting the P...

Page 3: ...ecifications 26 12 2 Maximum Ratings 26 12 3 Ambient Conditions and Classifications 27 12 4 Dimensions 29 13 Old Equipment Disposal 30 14 Appendix 31 14 1 Pin Assignment 31 14 1 1 Voltage Connector 31...

Page 4: ...rd thereto Physik Instrumente PI GmbH Co KG reserves all rights The use of any text images and drawings is permitted only in part and only when indicating the source Original instructions First print...

Page 5: ...example socket of the RS 232 interface Start Settings Menu path in the PC software example to open the menu the Start and Settings menus must be clicked successively POS Command line or a command fro...

Page 6: ...ccess data You need the data storage device for the product to get the access data If a manual is missing or problems occur with downloading contact our customer service department p 25 Downloading Ma...

Page 7: ...ended purpose and if it is in perfect condition Read the user manual Eliminate any faults and malfunctions that are likely to affect safety immediately The operator is responsible for correct installa...

Page 8: ...elevant information provided by the manufacturer Only use the device on the basis of the complete user manual Missing information due to an incomplete user manual can result in minor injury and damage...

Page 9: ...vel range 3000 N 700 N 4 2 Product Labeling 4 2 1 Type Plate Figure 1 Type plate of the P 844 1 Data matrix code example contains the serial number 2 Product number example 3 Serial number example ind...

Page 10: ...itable for operating the P 844 Product number Description E 503 Piezo amplifier module 3 channels 30 to 130 V E 505 Piezo amplifier module 1 channel 30 to 130 V E 610 Piezo amplifier servo controller...

Page 11: ...the P 844 with care 2 Compare the contents with the scope of delivery according to the contract and the delivery note 3 Inspect the contents for signs of damage If any parts are damaged or missing con...

Page 12: ...ng errors Figure 3 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 The actuator is screwed tight at both ends Figure 4 Bal...

Page 13: ...ize and length see Dimensions p 29 Open end wrench for holding the base p 10 of the P 844 see Dimensions p 29 for across flats size Suitable screwdriver Requirements You have read and understood the g...

Page 14: ...nd Accessories Nut of suitable size and length see Dimensions p 29 Open end wrench for holding the tip p 10 of the P 844 see Dimensions p 29 for across flats size Suitable tool for tightening the nuts...

Page 15: ...s p 7 You have read and understood the user manual for the electronics used You have installed the electronics properly The electronics are switched off NOTICE Damage due to incorrect connection of th...

Page 16: ...power generated in the piezo actuator The operating frequency operating voltage and operating time must be selected so that the maximum permissible operating temperature of the piezo actuator is not e...

Page 17: ...ezo actuator kg meff Effective mass meff additional load M kg See also Calculating the Effective Mass p 16 2 Calculate the maximum operating frequency of the loaded piezo actuator with the following f...

Page 18: ...understood the general safety instructions p 7 For startup with a load or in a multi axis system You have installed the P 844 properly p 12 You have read and understood the user manual for the electro...

Page 19: ...Destruction of the piezo actuator due to excessive operating frequencies Excessive operating frequencies can destroy the piezo actuator Select the operating frequency so that the following conditions...

Page 20: ...the load and or dynamics requires the operating parameters to be adjusted The P 844 is operated near to its resonant frequency If you notice oscillation stop the P 844 immediately Starting and Operat...

Page 21: ...ted to the Electronics 1 Insert the P 844 s voltage connector into the switched off electronics from PI and maintain the connection for a few seconds 7 STARTUP OPERATION P844M0001EN 11 13 2018 21 M O...

Page 22: ...rating the P 844 s housing can short circuit the actuator and drive electronics Disconnect the P 844 from the electronics before cleaning Prevent cleaning fluid from penetrating the P 844 s housing NO...

Page 23: ...ting parameters wrongly set because for example the load was changed Switch off the electronics immediately Check the settings of the operating parameters see the user manual for the electronics If ne...

Page 24: ...ortation 1 Pay attention to the ambient conditions and classifications p 27 2 Pack the P 844 in the original packaging 3 If the P 844 is to be sent use a stable outer box 10 TRANSPORTATION P844M0001EN...

Page 25: ...the controller if applicable Version of the driver or the software if applicable Operating system on the PC if applicable If possible Take photographs or make videos of your system that can be sent to...

Page 26: ...E 610 E 617 E 621 E 625 E 663 E 709 E 831 E 503 E 505 E 610 E 617 E 621 E 625 E 663 E 709 E 831 E 503 E 505 E 610 E 617 E 621 E 625 E 663 E 709 E 831 The resolution of the system is only limited by th...

Page 27: ...n The value corresponds to the power consumption of the unloaded uncooled piezo actuator that is operated at a voltage of 100 V peak to peak with the operating frequency from column B of this table Pi...

Page 28: ...ity 80 for temperatures up to 31 C Decreasing linearly to 50 relative humidity at 40 C Storage temperature 20 C to 80 C Transport temperature 20 C to 80 C Overvoltage category II Protection class I De...

Page 29: ...places are separated by a comma in the drawings The exact position of the wrench flats on the tip is not defined i e the tip and base can be offset from each other at any angle with respect to the wre...

Page 30: ...order to fulfil the responsibility as the product manufacturer PI undertakes environmentally correct disposal of all PI equipment free of charge if it was made available to the market after August 13...

Page 31: ...nector Figure 8 Voltage connector LEMO FFA 00 250 CTAC22 Pin Signal Function Inner contact Input Piezo voltage 0 to 100 V Connector shell cable shield Input Piezo voltage ground 14 APPENDIX P844M0001E...

Page 32: ...he following European directives 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 6132...

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