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Schneeberger MINIRAIL Скачать руководство пользователя страница 16

16

5

 

 

 Installation and Adjustment Guidelines  

Open ZIF connector (H)

Insert the flexible printed circuit board (C) into the ZIF connector (H) 
of the interface module (F) without touching the gold contact points 
on the printed circuit board.

Make sure that the contact surfaces of the flexible 
printed circuit board are facing upwards so that 
contact is ensured.

Once the flexible printed circuit board has been inserted, push the 
ZIF connector towards it.

Once the sensor is connected to the interface module, which is 
connected to the grounded machine, it is protected from ESD and 
can be touched without ESD protection.

The flexible printed circuit board between the sensor and the 
interface module can only be used statically. The bending radius of 
the flexible printed circuit board must not fall below 2 mm.

www.servo2go.com

[email protected]

www.servo2go.com

Toll Free Phone: 877-378-0240

Toll Free Fax: 877-378-0249

[email protected]

www.servo2go.com

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Содержание MINIRAIL

Страница 1: ...unique miniature guideway with integrated measuring system and a resolution of 0 1 µm www servo2go com sales servo2go com www servo2go com Toll Free Phone 877 378 0240 Toll Free Fax 877 378 0249 sales servo2go com www servo2go com Sold Serviced By ...

Страница 2: ...information We reserve the right to make changes to the information and technical data as a result of enhancements to our products Reprinting or reproducing even in part is not permitted without our written consent www servo2go com sales servo2go com www servo2go com Toll Free Phone 877 378 0240 Toll Free Fax 877 378 0249 sales servo2go com www servo2go com Sold Serviced By ...

Страница 3: ...S and Interface Module 17 6 1 Supply Voltage and Current Consumption 17 6 2 ANALOG Interface Module Analog Signal 1Vss 17 6 3 DIGITAL Interface Module Digital Signal TTL 20 6 4 Recommendations for the Customer Supplied Cable 24 System Accuracy 25 Matching the Interface Module with Carriages and Guideway 26 8 1 Adjustment Procedure for a Replacement DIGITAL Interface Module 26 Technical Principles ...

Страница 4: ...4 www servo2go com sales servo2go com www servo2go com Toll Free Phone 877 378 0240 Toll Free Fax 877 378 0249 sales servo2go com www servo2go com Sold Serviced By ...

Страница 5: ...and MINISCALE PLUS miniature profiled linear guideway systems 2 2 Supplementary Literature MINI X Product Catalog Configuration of MINISCALE PLUS with MINIRAIL www servo2go com sales servo2go com www servo2go com Toll Free Phone 877 378 0240 Toll Free Fax 877 378 0249 sales servo2go com www servo2go com Sold Serviced By ...

Страница 6: ...e disconnected prior to any work on electrical equipment ESD regulations should be observed when handling ESD vulnerable parts EN 100015 1 Country specific regulations standards and guidelines for accident prevention must be observed 3 4 Environmental Protection Lubricants should be disposed of in an environmentally responsible way Decommissioned components should be disposed of in accordance with...

Страница 7: ...o 80 C Only remove the products from their original packaging at their installation location and immediately prior to assembly Check the state of lubrication Always store MINIRAIL and MINISCALE PLUS carriages on the guide rail or protective plastic rail so that the rolling elements are protected MINISCALE PLUS is sensitive to electrostatic discharge The electronics can be damaged if precautions ar...

Страница 8: ...s and guideways are designated as follows Standard sizes 7 9 12 and 15 Wide sizes 14 18 24 and 42 Carriage locating and supporting surfaces Guideway locating and supporting surfaces The polished locating side of the carriage is opposite the carriage side with the company logo type designation The guideway can be located on both sides Logo side Logo side www servo2go com sales servo2go com www serv...

Страница 9: ...nd with tools e g aligning gauge guide strip dial gauge installation carriage Medium to high level of accuracy depending on the complexity Lateral reference Alignment by means of pressing against the locating surface High level of accuracy depending on the accuracy of the reference edge Very quick due to predefined reference edge Lateral locating surface and additional lateral clamping Alignment b...

Страница 10: ...h an oil stone Use white spirit or rubbing alcohol to clean the locating and supporting surfaces of guideways Do not use paint thinner Clean dirty guideways with a soft lint free cloth Do not use compressed air Lightly oil the locating surfaces on the guideways and carriages Locating surfaces A Reference on the mounting plate for the carriage B Reference on the machine bed for the guideway both si...

Страница 11: ... the MINISCALE PLUS guideway Always tighten the fastening screws with a torque wrench See chapter 5 6 for tightening torques Always brace the locating surface of the guideway against the locating surface of the machine bed The guideway can be located on both sides the locating side of the carriage is opposite the carriage side with the company logo type designation Alternate between sides of the g...

Страница 12: ...cale on the surface of the guideway with a soaked cloth Repeat the cleaning several times with a clean cloth for heavy dirt 5 5 2 Mounting and dismounting carriages MINIRAIL or MINISCALE PLUS onto guideways Use the included protective plastic rail This protects the carriage from dirt and prevents it jamming causing the ball bearings to subsequently escape Place the protective plastic rail in line ...

Страница 13: ...ing subsequent lubrication refer to the guidelines for MINISCALE PLUS 5 7 1 Subsequent Lubrication Intervals for MINISCALE PLUS The subsequent lubrication interval depends on many variables e g load working environment speed etc and therefore cannot be calculated The lubrication point must therefore be observed over a longer period of time For subsequent lubrication use only grease Klüber Isoflex ...

Страница 14: ...must not be exposed to dynamic loads D Guideway E Dimensional scale on the guideway F Interface module with D sub 9 connector G Control cable supplied by customer H ZIF connector 5 8 2 ESD Protection The MINISCALE PLUS optical sensor is an electrostatically vulnerable component and is delivered in ESD protective packaging Electrostatic Discharge J ESD sticker K ESD protective packaging L Conductiv...

Страница 15: ...kaging should not be removed during installation of the guideway so that the sensor remains protected The ESD protective packaging can only be removed once MINISCALE PLUS is grounded on the machine bed and the person is properly protected from ESD e g by wearing an grounded wrist strap Remove tape L The flexible printed circuit board C must not be damaged during removal of the protective packaging...

Страница 16: ...ircuit board has been inserted push the ZIF connector towards it Once the sensor is connected to the interface module which is connected to the grounded machine it is protected from ESD and can be touched without ESD protection The flexible printed circuit board between the sensor and the interface module can only be used statically The bending radius of the flexible printed circuit board must not...

Страница 17: ...y to the scale increment on the dimensional scale which amounts to 100 μm The reference pulse always marks electrically a particular section of the path of the sine and cosine signals The point of intersection of the two signals within the reference pulse marks a precisely defined position on the dimensional scale The sine signal either lags behind the cosine signal or occurs before it depending o...

Страница 18: ...erface module Male 9 pin D sub connector Customer supplied cable Female 9 pin D sub connector Pin Signal Signal type 1 Ua1 Sine 2 GND Supply voltage 3 Ua2 Cosine 4 ERR NOT Error signal 5 Ua0 Reference signal 6 Ua1 Sine 7 5V DC Supply voltage 8 Ua2 Cosine 9 Ua0 Reference signal 6 2 4 Function Check The green LED will light up if the MINISCALE PLUS is correctly supplied with power Output Signals and...

Страница 19: ...onnected directly to a computer via USB Current consumption 150 mA Storage temperature of the USB counter 30 C to 70 C Operating temperature of the USB counter 0 to 45 C in relative humidity of 75 When using the USB counter s analog input the interpolator built into the USB counter reaches a resolution of just 256 28 As a result the resolution displaya ble with the USB counter is limited to 0 39 µ...

Страница 20: ... reference pulse A B R TTL signal 5 volt level RS422 The digital interface module both processes the raw signals and interpolates the processed analog signals The interpolation achieves a resolution of 100 nm The digital signal waveform consists of an A and a B signal The spacing between the two edges of signals A and B corresponds exactly to a distance of 100 nm Accordingly the scale increment of...

Страница 21: ...eiver the signal is generated by creating the difference based on the difference between the two voltage levels 6 3 3 Pin allocation for the digital TTL CMOS interface module IM SCPD Interface module Male 9 pin D sub connector Customer supplied cable Female 9 pin D sub connector Pin Signal Signal type 1 A Quadrature signal 2 GND Supply voltage 3 B Quadrature signal 4 ERR NOT Error signal 5 R Refer...

Страница 22: ...ting temperature of the USB counter 0 to 45 C in relative humidity of 75 Digital signal input to the USB counter must be used in order to make use of the full resolution of the interface module The USB counter has a maximum permissi ble input frequency of 500 kHz or 1MHz for the 046 counter frequency based on one channel e g the A signal Consequently a count rate around 4 times higher occurs durin...

Страница 23: ...n the position indicator This has a maximum permissible input frequency of 1 MHz based on one channel e g the A signal Consequently a count rate around 4 times higher occurs during 4 edge evaluation This limits the maximum possible travelling speed to 0 4 m s for a resolution of 0 1 µm SIRIUS llr Interpolation Resolution Input frequency Speed Digital TTL input 4 edge evaluation 0 1 μm 1 MHz Max 0 ...

Страница 24: ... from the power cables and ensure that the two are not parallel If the cable is to be run through a cable carrier a flexible cable that is suitable for this purpose should be used Keep the cable short The cable length between the interface module and the controller should not exceed 30 meters The maximum cable length is reduced when increasing speeds above 1 2 m s in connection with the digital in...

Страница 25: ...ects of periodic deviation This periodic deviation also called short wave deviation occurs due to small deviations in the sensor system or electrical signal processing This means that the sine and cosine signals deviate from the mathematically exact form If periodic deviations only occur during digitization and calculation of position then we talk about an interpolation error The short wave deviat...

Страница 26: ... Interface Module Adjustment is only necessary for a subsequent delivery of the digital interface module Calibration by the customer is not possible for the analog interface module Procedure Switch on MINISCALE PLUS Press and hold the calibration button M Move the carriage slowly along the entire rail length 3 to 4 times Release the calibration button Reset MINISCALE PLUS switch it off and on agai...

Страница 27: ...t signal to the digital output signal The analog input signals sin cos REF are interpolated red arrow to digital output signals A B R Inverted signals are not represented 1 Analog input signal sin cos REF 2 Digital output signal A B Z 3 Downstream electronics 4 Interpolation 5 Signaling 6 Analog input signal cos 7 Analog input signal sin 8 Analog input signal REF 9 Digital output signal A 10 Digit...

Страница 28: ... evaluated we talk about 1 Single edge evaluation Only one edge is counted per channel One measuring step will therefore correspond to one digital signal period 2 Two edge evaluation Both rising and falling edges of a channel are counted One measuring step will therefore correspond to half the digital signal period 3 Four edge evaluation Both rising and falling edges of both channels are counted O...

Страница 29: ...and an input signal period of 100 µm you get an output signal period of 0 4 µm and according to four edge evaluation in the controller a resolution of 0 1 µm 9 6 Sampling Rate The sampling rate describes the frequency at which the analog signal is sampled per time interval Usually the time interval is one second which is why the unit for the sampling rate is Hz In order to guarantee a complete rep...

Страница 30: ...or a fraction of it This periodic deviation also called short wave deviation occurs due to small deviations in the sensor system or electrical signal processing This means that the sine and cosine signals deviate from the mathematically exact form Deviations can be classified depending on the arrangement harmonics SWD period Deviation occurs due to 1 signal period Sine cosine offset 1 2 signal per...

Страница 31: ...gnal e g the A and A signals become A Differential signaling is the better solution for most applications as it is more tolerant to interference Couplings to the signals are almost identical for both wires such that interference is almost eliminated when generating a difference The RS422 standard differential was specifically developed for larger distances and higher transfer rates 9 14 Direction ...

Страница 32: ...Input speed of the electronics is not adjusted to the travel speed Turn the carriage around Check power supply Rotate flexible circuit board by 180 Check connection Check pin allocation Replace MINISCALE PLUS Adjust input frequency Clean the guide way with a lint free cloth and white spirit or rubbing alcohol Position not shown when the carriage is travelling Incorrect or no supply voltage to sens...

Страница 33: ...face module and analog input caution maxi mum resolution 0 39 µm Check number relationship between interface module carriages and guideways Use a shielded twisted pair cable System must be returned to SCHNEEBERGER for adjustment Adjust as described in chapter 6 1 Return the system to SCHNEEBERGER Repeat evaluation 4 times Digital interface module is not working correctly Analog interface module is...

Страница 34: ...34 www servo2go com sales servo2go com www servo2go com Toll Free Phone 877 378 0240 Toll Free Fax 877 378 0249 sales servo2go com www servo2go com Sold Serviced By ...

Страница 35: ...ale MINI X MINIRAIL MINISCALE PLUS MINISLIDE MONORAIL and AMS profiled linear guideways with integrated measuring system MONORAIL and AMS application catalog POSITIONING SYSTEMS SLIDES www servo2go com sales servo2go com www servo2go com Toll Free Phone 877 378 0240 Toll Free Fax 877 378 0249 sales servo2go com www servo2go com Sold Serviced By ...

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