THORLABS MAX200 Manual de usuario

Microscopy Accessories

Motorized X-Y Stages

Model Numbers MAX200

MAX201

MAX202

MAX203

Contents

1 For Your Safety ........................................................................................... 2

Safety Information .......................................................................................................... 2

Warnings ........................................................................................................................ 3

2 Overview ..................................................................................................... 4

Introduction .................................................................................................................... 4

3 Operation .................................................................................................... 6

General .......................................................................................................................... 6

Encoder Calibration Check ............................................................................................ 7

Enabling Encoder Support ............................................................................................. 8

Encoder Operation ......................................................................................................... 9

Selecting Encoder Support .................................................................................... 9

Encoder Calibration Table ................................................................................... 10

Position Correction Mode .................................................................................... 13

4 Installation ................................................................................................ 16

Unpacking .................................................................................................................... 16

Mounting ...................................................................................................................... 16

General ................................................................................................................ 16

Mounting To An Olympus IX Frame .................................................................... 17

Mounting To A Nikon TE2000 Microscope ........................................................... 18

Fitting an SCXY100 Piezo Stage ......................................................................... 19

Fitting a 96 Hole Well Plate .................................................................................. 20

Troubleshooting The Encoder ...................................................................................... 21

Cleaning ....................................................................................................................... 21

Transportation .............................................................................................................. 21

Electrical Connections .................................................................................................. 22

Dimensions .................................................................................................................. 23

MAX200 and 201 Dimensions ............................................................................. 23

MAX202 and 203 Dimensions ............................................................................. 24

SmartSignal Electronics Module Dimensions ...................................................... 25

5 Specification ............................................................................................. 26

6 Spares and Accessories .......................................................................... 27

Parts List ...................................................................................................................... 28

Chapter 1

For Your Safety

1.1 Safety Information

For the continuing safety of the operators of this equipment, and the protection of the

equipment itself, the operator should take note of the Warnings, Cautions and Notes

throughout this handbook and, where visible, on the product itself.

The following safety symbols may be used on the equipment:

Warning, risk of danger. Refer to the handbook for details on this hazard.

Warning, risk of electric shock. High voltages present

Equipotentiality (bonding) terminal

Functional (EMC) earth/ground terminal.

The following safety symbols may be used throughout the handbook:

Warning. An instruction which draws attention to the risk of injury or death.

Caution. An instruction which draws attention to the risks of damage to the product,

process or surroundings.

Note. Clarification of an instruction or additional information.

Chapter 1 For Your Safety

1.2 Warnings

• The equipment has been designed to operate normally under the following environmental

conditions :-

Location Indoor use only.

Max altitude 2000m

Temperature range 5°C to 40°C

Maximum humidity Less than 75%

• When siting the equipment, care should be taken to ensure that proper airflow is

maintained to the motor.

• If this equipment is used in a manner not specified by the manufacturer, the protection

provided by the equipment may be impaired. Do not operate the instrument outside its

rated supply voltages or environmental range. In particular, excessive moisture may

impair safety.

• Translation stages can be made to move without warning. Ensure that the stages can

move their full travel range without risk of fouling on external objects. All cables should

be routed to avoid the risk of them becoming entangled.

Chapter 2

Overview

2.1 Introduction

The MAX200 series motorized microscopy stages have been designed to assist CCD

based image acquisition and X-Y motor control of specimens, and they use many of

the components and design concepts incorporated into our 20 year history of

precision motion control.

Essentially, the stage consists of a pair of linear stages coupled through an

intermediate moving world. Stepper motors with a high precision lead screw are used

to position each axis independently. The intermediate moving world and the specimen

holder feature a clear aperture of 75mm x 25mm to permit easy viewing of standard

microscope slide specimens.

The MAX200 (standard) and MAX201 (encoded) stages have been designed to be

compatible with our MicroScan series of piezo scanning stages. The MicroScan

family consists of three stages, offering high speed piezo actuated motion in Z, XY

and XYZ axes. The MAX202 (standard) and MAX203 (encoded) have longer travel,

and are compatible with a standard 96 hole well plate. Accessory plates are available

for all stages to allow the positioning of standard microscope slides and Petri dishes.

To drive the MAX200 series, we recommend the APT BSC102 precision 2 channel

controller. This controller operates with both open and closed loop versions of the

MAX200 stages. However, if the stage is to be used in conjunction with a MicroScan

series piezo stage, we offer a hybrid controller BPS103 that contains 2 channels of

stepper motor control AND a channel of piezo electric control. This makes a

particularly convenient and cost effective solution for motorized XY control and piezo

electric Z control.

Note. The MAX201 and MAX203 encoded stages incorporate a linear encoder sensor

and a SmartSignal electronics module, designed by MicroE Systems. When the stage is

driven by a Thorlabs stepper motor actuator, all programmable and diagnostic features

are enabled via the APT server software. If the stage is to be driven by a third party

stepper motor controller, then an RS232 Interface Adapter and additional ‘SmartSignal’

software are required before the encoder functionality can be enabled. These are

available directly from MicroE Systems.

The APT Server includes full support for encoded position feedback. We manufacture

a number of linear encoded equipped stage/actuator combinations with associated

electronics and cabling in order to connect to the APT range of stepper controller units

(both bench top and modular rack variants).

All stages fit the Olympus IX71 microscopes with no additional hardware, mounting

adapters for the Nikon TE2000 may be purchased separately (part number

MAX200A1 – see Section 4.2.3. while the Zeiss Axiovert 200 microscopes are

compatible ONLY with the MAX202 and MAX203 stages.

Chapter 2 Overview

Fig. 2.1 MAX200 stage with 96 hole well plate and mounted on a microscope

Chapter 3

Operation

3.1 General

Caution. The MAX200 series stages form part of the Thorlabs Nanopositioning system

and should be driven by one of the Thorlabs BSC10X series Stepper Motor Controllers.

For full compatibility, the controller should have Firmware version 1.0.3 or higher. The

Firmware version is displayed in brackets, in the top right hand corner of the GUI panel

for the Motor ActiveX control.

The stages are connected to the controller via a flying lead terminated in a D-type

connector.

Warning. The stepper motor controller must be switched OFF before the stages are

plugged in or unplugged. Failure to switch the controller off may result in damage to

either the controller, the stage, or both.

For a complete tutorial on using the stage with a stepper motor controller, see the

relevant controller manual. Basic steps in controlling the stage are as follows:

1) Run the APTConfig utility and associate the controller serial number, stage type

and channel number – see the APTConfig helpfile for further details.

2) Move each axis to its home position, to establish a zero datum.

3) Set commands to move each axis by relative and absolute amounts – see the

helpfile supplied with the APT server for more information.

A default configuration for the stage is stored in the APT server – see Table 3.1.

Table 3.1 Standard configurations for motor drives

Parameter Value

Maximum Velocity 10 mm s-1

Minimum Velocity 0 mm s-1

Slope 0.5 mm s-2

Backlash control 1

Backlash distance 0.01 mm

Mode Linear

Microsteps to units 51200

Offset 0.5 mm

Minimum position 0.00 mm

Maximum position X-axis - 50mm

Y-axis - 75mm

Chapter 3 Operation

3.2 Encoder Calibration Check

Note. This section is applicable only to the MAXY encoded stage.

Note. The MAX201 and MAX203 stages incorporate a linear encoder sensor and a

SmartSignal electronics module, designed by MicroE Systems. When the stage is driven

by a Thorlabs stepper motor controller, all programmable and diagnostic features are

enabled via the APT server software. If the stage is to be used with a third party

controller, then an RS232 Interface Adapter and additional ‘SmartSignal’ software are

required before the encoder functionality can be enabled. These are available directly

from MicroE Systems.

Calibration of the encoder is performed at the factory during manufacture. The

following calibration check should be performed if the SmartSignal electronics module

is replaced, or when the accuracy of the system is in doubt. If the calibration check

cannot be performed satisfactorily, the unit should be returned to the factory for

recalibration.

1) Connect the electronics module to the APT stepper motor controller using the

cable supplied- see Section 4.6.

2) Position the stage at least 6 mm (1/4 in.) away from its mid point.

3) Insert a small diameter, non-metalic shaft (e.g. plastic paper clip) into the hole in

the casing and push the Calibration button - see Fig. 3.1. The Power/Calibration

LED flashes continuously.

4) Move the stage backwards and forwards over its mid point until the Power/

Calibration LED stops flashing.

5) Move the actuator over its complete range of travel. The green ‘Proper Alignment’

LED should remain lit. If the yellow or red LEDs light, see Troubleshooting,

Section 4.3.

Fig. 3.1 Calibration indicators

power/calibration LED

alignment LED

(proper alignment - green

optimal alignment - bright green)

improper alignment LED - red

improved alignment LED - yellow

calibration button

MAX200 Series Motorized Microscopy Stages

3.3 Enabling Encoder Support

To enable the encoder support within the APT Server, use the APT Config utility to

associate the required motor drive channel with the encoded stage - see the

handbook supplied with the motor controller for more details.

Fig. 3.2 Associating a drive channel with an encoded stage type

Chapter 3 Operation

3.4 Encoder Operation

3.4.1 Selecting Encoder Support

When an encoded stage type has been associated with a motor channel (see Section

3.3.), encoder feedback support (both GUI and programmable interfaces) is enabled

in the corresponding Motor ActiveX Control.

On the main motor graphical panel an 'Encoder' button is displayed at the bottom left

of the panel.

Fig. 3.3 Motor GUI panel with encoder button

1) Click the 'Encoder' button to display the 'Encoder Control Panel'.

This panel is used to enable/disable encoder position feedback control and to alter

the modes of operation when encoder control is enabled.

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