PI MP106E Bedienungsanleitung

Physik Instrumente (PI) GmbH & Co. KG · Auf der Römerstr. 1 76228 Karlsruhe, Germany

Telephon +49 721 4846-0 · Telefax +49 721 4846-1019 · E-Mail [email protected]s

MP106E

M-235

Linear Actuators

User

Manual

Version: 1.2

Date: 31.08.2020

This document describes the following

high

-load precision linear actuators with

recirculating bal

l screws:



M-235.2DD:

Travel Range 20 mm, DC Direct Drive



M-235.2DG:

Travel Range 20 mm, DC Gear Motor



M-235.5DD:

Travel Range 50 mm, DC Direct Drive



M-235.5DG:

Travel Range 50 mm, DC Gear Motor

Physik Instrumente (PI) GmbH & Co. KG is the owner of the following trademarks:

PI®, PIC®, PICMA®, PILine®, PIFOC®, PiezoWalk®, NEXACT®, NEXLINE®,

NanoCube®, NanoAutomation®, Picoactuator®, PInano®

photographs and drawings in this manual are protected by copyright. With regard

thereto, Physik Instrumente (PI) GmbH & Co. KG retains all the rights. Use of said

text, photographs and drawings is permitted only in part and only upon citation of the

source.

Original instructions

Document number: MP106E, MMa, Version 1.2

Subject to change without notice. This manual is superseded by any new release. The

latest release is available for download on our website (http://www.pi.ws).

1About this Document 1

1.1 Goal and Target Audience of this Manual............................................................1

1.2 Symbols and Typographic Conventions...............................................................1

1.3 Other Applicable Documents................................................................................2

2Safety 3

2.1 Intended Use ........................................................................................................3

2.2 General Safety Instructions..................................................................................3

2.2.1 Organizational Measures....................................................................4

2.2.2 Measures for Handling Vacuum-Compatible Products ......................4

2.2.3 Safety Measures during Installation ...................................................4

2.2.4 Safety Measures during Start-Up.......................................................5

2.2.5 Safety Measures during Operation.....................................................6

2.2.6 Safety Measures during Maintenance................................................6

3Product Description 7

3.1 System Overview..................................................................................................8

3.2 Features and Applications....................................................................................9

3.3 Model Overview....................................................................................................9

3.4 Product View.......................................................................................................11

3.5 Scope of Delivery ...............................................................................................12

3.6 Suitable Controllers ............................................................................................12

3.7 Accessories ........................................................................................................12

3.8 Technical Features.............................................................................................12

3.8.1 Rotary Encoder.................................................................................12

3.8.2 Limit Switches...................................................................................12

3.8.3 Reference Point Switch ....................................................................13

Contents

4Unpacking 15

5Installation 17

5.1 General Notes on Installation.............................................................................17

5.2 Changing the Tip ................................................................................................18

5.3 Providing a Suitable Mechanical Mounting and Installation Environment..........21

5.4 Installing the Actuator in a Mechanical Mounting...............................................23

6Start-Up 27

6.1 General Notes on Start-Up.................................................................................27

6.2 Starting Up the Actuator .....................................................................................29

6.2.1 M-235 Entries in the Stage Database of PI......................................30

7Maintenance 31

7.1 General Notes on Maintenance..........................................................................31

7.2 Lubricating the M-235.........................................................................................31

7.3 Cleaning the M-235 ............................................................................................32

8Troubleshooting 33

9Customer Service 35

10 Technical Data 37

10.1 Specifications......................................................................................................37

10.1.1 Data Table........................................................................................37

10.1.2 Ambient Conditions and Classifications ...........................................38

10.1.3 Limit Switch Specifications ...............................................................39

10.1.4 Reference Point Switch Specifications.............................................39

10.2 Dimensions.........................................................................................................40

10.2.1 Actuator ............................................................................................40

10.2.2 End Pieces........................................................................................41

10.3 Pin Assignment D-Sub 15 (Male) Connector .....................................................42

11 Old Equipment Disposal 43

12 EU Declaration of Conformity 45

1 About this Document

M-235 Linear Actuators MP106E Version: 1.2 1

In this Chapter

Goal and Target Audience of this Manual..................................................................... 1

Symbols and Typographic Conventions........................................................................ 1

Other Applicable Documents......................................................................................... 2

1.1 Goal and Target Audience of this Manual

This manual contains information on the intended use of the M-235.

It assumes that the reader has a fundamental understanding of basic servo systems

as well as motion control concepts and applicable safety procedures.

For updated releases of this user manual, or if you have any questions, contact our

customer service department (p. 35).

1.2 Symbols and Typographic Conventions

The following symbols and typographic conventions are used in this user manual:

CAUTION

Dangerous situation

If not avoided, the dangerous situation will result in minor injury.

Actions to take to avoid the situation.

NOTICE

Dangerous situation

If not avoided, the dangerous situation will result in damage to the equipment.

Actions to take to avoid the situation.

INFORMATION

Information for easier handling, tricks, tips, etc.

About this Document

1 About this Document

2Version: 1.2 MP106E M-235 Linear Actuators

Symbol Meaning

2. Action consisting of several steps whose sequential

order must be observed

Action consisting of one or several steps whose

sequential order is irrelevant

List item

p. 5 Cross-reference to page 5

RS-232 Labeling of an operating element on the product

(example: socket of the RS-232 interface)

1.3 Other Applicable Documents

The devices and software tools which are mentioned in this documentation are

described in their own manuals.

For the latest versions of the user manuals contact our customer service department

(p. 35).

Product Document

Linear actuators Short Instructions MP122EK

Suiting controller User Manual of the applied controller

2 Safety

M-235 Linear Actuators MP106E Version: 1.2 3

In this Chapter

Intended Use ................................................................................................................. 3

General Safety Instructions........................................................................................... 3

2.1 Intended Use

The M-235 is a laboratory device as defined by DIN EN 61010-1. It is intended to be

used in interior spaces and in an environment which is free of dirt, oil, and lubricants.

Based on its design and realization, the M-235 is intended for positioning, adjusting

and shifting loads in one axis at various velocities.

The intended use of the M-235 is only possible when installed and with a suitable

controller (p. 12). The controller is not included in the scope of delivery of the M-235.

2.2 General Safety Instructions

The M-235 is built according to state-of-the-art technology and recognized safety

standards. Improper use can result in personal injury and/or damage to the M-235.

Only use the M-235 for its intended purpose, and only use it if it is in a good

working order.

Read the user manual.

Immediately eliminate any faults and malfunctions that are likely to affect

safety.

The operator is responsible for the correct installation and operation of the M-235.

Safety

2 Safety

4Version: 1.2 MP106E M-235 Linear Actuators

2.2.1 Organizational Measures

User manual

Always keep this user manual next to the M-235.

If the user manual is lost or damaged, contact our customer service

department (p. 35).

Add all information given by the manufacturer to the user manual, for example

supplements or Technical Notes.

If you pass the M-235 on to other users, also turn over this user manual as

well as all other relevant 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 lead to slight injury as well

as property damage.

Only install and operate the M-235 after having read and understood this user

manual.

Personnel qualification

The M-235 may only be started up, operated, maintained and cleaned by authorized

and qualified staff.

2.2.2 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.

Only touch the linear actuator with powder-free gloves.

If necessary, wipe the linear actuator clean after unpacking.

2.2.3 Safety Measures during Installation

A cable break leads to a failure of the linear actuator.

Install the linear actuator so that the cable is not bent or squeezed too

severely during operation.

2 Safety

M-235 Linear Actuators MP106E Version: 1.2 5

The motion of the pusher can be hindered by a mounting nut that has been tightened

too strongly. This reduces the positioning accuracy.

Tighten the mounting nut to a maximum torque of 1 Nm.

Lateral forces that affect the pusher of the linear actuator increase the friction on the

internal drive components. Increased friction impairs the motion of the pusher and

increases wear on the drive components.

Avoid lateral forces on the tip and on the pusher of the M-235.

While the end piece is being screwed on or off, the torque is transferred to the drive of

the linear actuator via the pusher and can damage the drive.

Avoid torques to the pusher.

When screwing an end piece on or off, attach the pusher to the wrench flats

using an open-end wrench.

The heat produced during operation of the M-235 can affect your application.

Install the M-235 so that your application is not affected by the dissipating

heat.

2.2.4 Safety Measures during Start-Up

A motorized linear actuator can generate powerful forces depending on the gear ratio.

Connecting a linear actuator to an unsuitable controller can cause damage to the

linear actuator or controller.

Connect a linear actuator with DC motor to a DC motor controller only.

Connect a linear actuator with stepper motor to a stepper motor controller

only.

Faulty motor controllers can cause unintentional motor motion and run the M-235 into

the hard stop.

2 Safety

6Version: 1.2 MP106E M-235 Linear Actuators

The linear actuator can perform an unintentional motion when connecting it to the

motor controller.

Do not place any objects in areas where they can get caught by moving parts.

Keep your fingers at a safe distance from the motion range of the M-235.

The collision of moving parts with the hard stop (end of travel range), as well as high

acceleration, can cause damage to, or considerable wear on the mechanical system.

In the event of a malfunction of the motor controller, stop the motion

immediately.

Ensure that theend of the travel range is approached at low velocity.

Set your control signal so that the moving part does not stop abruptly or try to

continue moving at the end of the travel range.

Determine the maximum velocity for your application.

Ensure that the automatic limit switch halt is supported by the controller, or

that it is activated in the controller.

2.2.5 Safety Measures during Operation

For models with DC motors:

Unsuitable settings made to the servo-control parameters can impair the performance

of the M-235. The consequences of this can be expressed as follows:

Oscillations

Imprecise approach of the position

Settling time is too long

If the performance of the M-235 is not satisfactory, check the settings for the

servo-control parameters of your controller.

2.2.6 Safety Measures during Maintenance

The M-235 is precisely aligned.

Do not loosen any sealed screw.

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