Celera Motion MicroE Mercury II 6000 Series Installation Manual And Reference Manual Download Page 11

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Sensor Alignment and Calibration

IM-1004 | REV181127

Page 9

Mercury II 6000 Series Encoders
Sensor Installation Manual and Reference Guide

Step Action

4. Align the sensor by slowly sliding the sensor on its mounting surface in the Y or



Z direction

until the green Signal Strength LED is illuminated*.

Note

*: Optimal alignment is indicated by Bright Green

Once the sensor is aligned, tighten the two sensor mounting screws (0.37 Nm [3.3 inch-lbs.]
maximum torque).

Move the sensor over the index mark and confirm that the green Signal Strength LED blinks.

Result:



If the green Signal Strength LED blinks when the sensor passes over the index, then
proceed to the next step.



If the green Signal Strength LED

does not

blink when the sensor passes over the index,

then loosen the mounting screws and repeat the alignment procedure (go back to Step 3).

Note

*: Optimal alignment is indicated by Bright Green and a blink over the index

Move the sensor over the entire length of the scale.

Result:



If the green Signal Strength LED remains illuminated over the entire length of travel (the
yellow and red LED’s do not illuminate), then proceed to the next step.



Otherwise, clean the scale

and try Step 3 again. If cleaning the scale is not successful,

loosen the sensor mounting screws and repeat the alignment procedure (go back to
Step 3).

8. Press and release the

Cal.

button quickly to exit Alignment Mode.

Result:

The limit LED’s will stop blinking and AGC will reactivate.

Slowly slide sensor on its mounting
surface in the Y or



Z direction

Green Signal Strength LED
(Proper Alignment)*

Summary of Contents for MicroE Mercury II 6000 Series

Page 1: ...iddlesex Turnpike Bedford MA 01730 1409 USA IM 1004 REV181127 Tel 781 266 5200 celera_support celeramotion com Sensor Installation Manu Mercury II 6000 Series Encoders Sensor Installation Manual and Reference Guide CELERAMOTION ...

Page 2: ...nstallation 6 4 1 Sensor Mounting Orientation and Tolerances 6 4 2 Verify Sensor Mounting Surface Height 6 4 3 Install Sensor 6 5 0 Sensor Alignment and Calibration 7 5 1 Using the Cal Pushbutton 8 5 1 1 Sensor Alignment 8 5 1 2 Sensor Calibration 10 5 2 Using the Software 13 5 2 1 Connect the Alignment Tool and Encoder 13 5 2 2 Use the FindMII Program to Locate the Encoder 14 5 2 3 Sensor Alignme...

Page 3: ...which pertain to complete laser products The manufacturer of the complete system level electronic product is responsible for complying with 21 CFR MicroE Systems encoders contain an infrared laser diode or diodes Emitted invisible laser radiation levels have been measured to be within the CDRH Class 1 range which is not considered hazardous however to minimize exposure to the diverging beam instal...

Page 4: ...00 Encoders Rev 1A 11 30 2015 Correction on page 30 changed A6 to A6 for CRC Bits section Updated document to Celera Motion standards Updated Manual Revisions table 180131 01 31 2018 Correction to ordering code 181127 11 27 2018 Changed Section 4 2 scale to sensor Z height tolerance 1 7 Trademarks Mercury II PurePrecision and SmartPrecision are trademarks of MicroE Systems 1 8 Special Conventions ...

Page 5: ...ent For optimal performance and reliability DO follow standard ESD precautions while handling the sensor and interpolator DO allow proper clearance for sensor head alignment DO follow setup and calibration instructions for the encoder system DO where possible install the scales in an inverted or vertical position to minimize accumulation of dust DO NOT store sensors in an uncontrolled environment ...

Page 6: ...x Marker 15 Pin Male D Sub Connector Double Shielded Cable Left Limit Marker Scale Mounting Surface Reference Edge Benching Surface Tape Scale shown mounted on a fixed non moving substrate Sensor shown mounted on a linear bearing using a mounting bracket Alignment Tool Sensor Connector Mounting Screws Typical User Supplied Sensor Mounting Bracket Sensor Mounting Holes Sensor Benching Pins Bracket ...

Page 7: ...more details Mercury II 5000 Alignment Tool LEDs LED Function Power Cal Indicates power is on and when in alignment mode Red Signal Strength Indicates improper alignment Yellow Signal Strength Indicates improved alignment Green Signal Strength Indicates proper alignment Left Limit Blinks in Alignment Mode and when sensor is located over left limit Right Limit Blinks in Alignment Mode and when sens...

Page 8: ...fy that the vertical distance between the reference surface of the sensor and the top of the scale is as follows Tape scale marker tape after blue protective film is removed 3 09 mm 0 15 Linear or rotary glass scales 2 93 mm 0 15 2 Check the height at a location on the scale where there are no index or limit markers 4 3 Install Sensor Step Action 1 Install the sensor on the mounting surface refere...

Page 9: ...and calibration or want to take advantage of the graphic interface Select a method Method Description 1 Use the Calibration Cal Pushbutton Align and calibrate the sensor head using the Calibration Cal pushbutton and the LED indicators on the Alignment Tool Continue to Section 5 1 Using the Cal Pushbutton 2 Use the SmartPrecision II Software Align and calibrate the sensor head using the Alignment T...

Page 10: ... 1 Connect the MII6000 encoder to the SmartPrecision Alignment Tool 2 Insert the 5 VDC power connector to the Alignment Tool Adapter and apply power Result The Power Cal LED illuminates a steady green The sensor is initialized after an approximate 10 second delay 3 Enter the Alignment Mode by gently pressing and releasing the Cal pushbutton quickly within a second using a small screwdriver or simi...

Page 11: ...the green Signal Strength LED does not blink when the sensor passes over the index then loosen the mounting screws and repeat the alignment procedure go back to Step 3 Note Optimal alignment is indicated by Bright Green and a blink over the index 7 Move the sensor over the entire length of the scale Result If the green Signal Strength LED remains illuminated over the entire length of travel the ye...

Page 12: ...used in applications less than 360 Rotary Scales used in applications greater than 360 without Limit Markers Confirm Settings Confirm the following before calibration Always perform calibration of the left and right limits while Limit Polarity is set to Limits Normal mode See the Left and Right Limits Settings in the Calibration and Align tab of the SmartPrecision II Software in Section 5 2 3 Sens...

Page 13: ...ck and forth Result The Left Limit LED will start blinking quickly Note If the sensor is positioned over the left limit marker the Left Limit LED will come on steady 5 Move the sensor over the left limit marker and press the Cal button once quickly Result The Right Limit LED will start blinking Note if the sensor is positioned over the right limit marker the Right Limit LED will come on steady 6 M...

Page 14: ...esult The Power Cal LED and both limit LEDs will start to blink in sets of three 5 Move the sensor away from the index and press the Cal button once quickly Result The Power Cal LED and both limit LED s will start to blink in sets of two 6 Move the sensor over the index once Result The LEDs will change to Power Cal LED and both limit LEDs blinking just once 7 Make a full revolution of the rotary s...

Page 15: ...d Encoder Step Action 1 Verify that the Alignment Tool Adapter SmartPrecision II Alignment Tool is not powered on The Power Cal LED should be off 2 Connect the MII6000 encoder and Ethernet cable as shown below 3 Power up the Alignment Tool by plugging in 5 VDC to the Alignment Tool Adapter Result The Power Cal LED illuminates a steady green The sensor is initialized after an approximate 10 second ...

Page 16: ... click on one of the following links For Windows operating systems FindMII exe For all other operating systems FindMII jar 2 The FindMII program locates the encoder and allows you to use the embedded SmartPrecision II Software on your web browser Note You may receive an Application Blocked by Security Settings message when attempting to load the plotApplet Go to the Java applet in your Control Pan...

Page 17: ...martPrecision II Software Results The SmartPrecision II Software Screen opens 5 2 3 Sensor Alignment and Calibration Once the SmartPrecision II Software is open perform sensor alignment and calibration by using the Calibrate and Align tab Step Action 1 Click on the Calibrate and Align tab Results The Calibrate and Align screen opens Calibrate and Align Tab Calibration Status Calibration Type Calib...

Page 18: ...al Level Indicator at the top of the SmartPrecision screen 4 Tighten the sensor mounting screws Check for index indication using the status display at the top right of the screen Results The Index indication is not at index when the sensor is not located at the Index marker and index crossed when the sensor has passed over the Index marker 5 Turn off Align Mode by clicking on the Align Mode Turn O...

Page 19: ...ion Mode to begin calibration setup Results Sensor Calibration will begin Follow the steps in the Calibration Status box to complete setup of the MII6000 encoder For example in the status box above the instructions are to move the sensor until reaching 100 complete and then the next calibration step will start 8 If there is a failure turn off the sensor and clean the scale After cleaning return to...

Page 20: ...play shown during normal operation Color Codes for Indicators Mercury II Sensor Connectors LED Indicators Signal Strength Color Signal Strength Green Optimal Yellow Marginal Red Bad Purple Saturated Mercury II Sensor Connectors LED Indicators Limit Index Markers Color Limit Index Mark Green Over Index Mark Blue Over Left Limit Mark Red Over Right Limit Mark None Not Over Any Mark Signal Level LED ...

Page 21: ...l serial I O connections terminated 50 mA at the sensor MII6800Si Pa Tape Scales Glass Scales 30 nm typical over any 20 µm movement 20 nm typical over any 20 µm movement Temperature Operating Storage 0 C to 70 C 20 C to 85 C Tape Scale Linearity 5 µm m Humidity 10 90 RH non condensing Glass Scale Accuracy EMI CE Compliant High Accuracy Grade 1 µm for scales up to 130 mm 2 µm for scales from130 mm ...

Page 22: ...TAPE SCALE MOUNTING SURFACE B2 SENSOR MOUNTING SURFACE B1 A 0 29 6 2 2 79 2 03 3 38 C1 A 3 97 2X 2 79 C L OPTICAL B C 4 14 22 61 14 33 12 70 8 50 2 10 1 6 4X R 18 50 0 8 4X R 2 05 12 52 2X 2 60 THRU 5 C B 18 50 6 35 2 05 TAPE SCALE MOUNTING SURFACE ADHESIVE BACKING METAL TAPE SCALE DIRECTION A 6 Note Sensor below shown with tape scale Refer to the MII6000 Interface Drawings for additional dimensio...

Page 23: ...lation Resolution Maximum Speed Applicable Models x 4 5 000µm count 10000mm sec 6500 6700 6800 x 10 2 000µm count 10000mm sec 6500 6700 6800 x 20 1 000µm count 10000mm sec 6500 6700 6800 x 40 0 500µm count 10000mm sec 6500 6700 6800 x 80 0 250µm count 10000mm sec 6500 6700 6800 x 100 0 200µm count 10000mm sec 6500 6700 6800 x 200 0 100µm count 5000mm sec 6500 6700 6800 x 400 0 050µm count 2500mm s...

Page 24: ...on µrad count 191 7 38 3 19 17 1 917 0 767 0 1917 0 0468 maximum speed RPM 3660 3660 3660 915 366 91 5 22 3 120 65mm 16384 Lines interpolated resolution CPR 65536 327680 655360 6553600 16384000 65536000 268435456 interpolated resolution arc sec count 19 78 3 96 1 978 0 1978 0 0791 0 01978 0 00483 interpolated resolution µrad count 95 9 19 17 9 59 0 959 0 383 0 0959 0 0234 maximum speed RPM 1830 18...

Page 25: ...g Pitch Note The range of available values is x4 to x16384 in binary steps sample values below Rotary Glass Scale Diameter Fundamental Resolution Interpolation 44 45mm 5000 Lines x4 x1024 x4096 x16384 interpolated resolution CPR 20000 5120000 20480000 81920000 interpolated resolution arc sec count 64 8 0 253 0 0630 0 01582 interpolated resolution µrad count 314 1 23 0 306 0 0767 maximum speed RPM ...

Page 26: ...25 10 24 Note Values shown are approximate Exact values may be calculated using either of the following equations 12 5 2 where n number of steps below 12 5MHz 50 2 where n number of steps below 50 million states per second 7 3 Wiring Diagrams 15 Pin Standard Male D sub Connector Configuration Mercury II 15P D Sub Pinouts Quad Output Pin Function 1 Right Limit 2 GND 3 Right Limit 4 Index 5 B 6 A 7 ...

Page 27: ...ms below Note For best performance isolate the encoder outer shield from motor cable shields and separate the encoder cable as far possible from motor cables Sensor mounted with good electrical contact to a well grounded surface preferred The encoder s connector shell must be in close electrically conductive contact with the customer supplied mating connector which must be isolated from the contro...

Page 28: ...II 6000 Series Encoders must have the following characteristics Twisted pair signals wiring Characteristic impedance of 100 120 ohms Sufficient wire gauge to meet the minimum voltage requirement at the encoder For example 24AWG gauge wire for a 2 m length cable Recommended cables are 24AWG gauge wire with 6 twisted pairs Single shield cable with a minimum of 90 coverage Note that a double shielded...

Page 29: ...Serial Interface Each differential signal should be connected to a corresponding twisted pair as follows Note NC No Connect Mercury II 6000 Signal Twisted Pair Pin A Pair 1 14 A 6 B Pair 2 13 B 5 Index Pair 3 12 Index 4 Left Limit Pair 4 10 Left Limit 11 Right Limit Pair 5 1 Right Limit 3 5V Pair 6 7 8 GND 2 9 Mercury II 6800Si Pa Signals Twisted Pair DB15 Pins 6800Si Signals 6800Pa Signals Pair 1...

Page 30: ...with conductive surfaces Suggested metal connector shells for use with Mercury II encoders AMP 748676 1 or equivalent where the dash number is dependent on the customer s outside cable diameter Terminate the shield as illustrated in the following diagram Note Fold braided shield back over jacket Example shows double shielded cable Dimensions shown are for purpose of illustration only 7 6 30 Braide...

Page 31: ...e minimizes latency and eliminates jitter due to sampling uncertainty Serial Interface Input Output MII6800Si Serial Interface Pin Name Direction Description 14 SDATA_OUT OUTPUT Serial Data from Sensor to Host 6 SDATA_OUT OUTPUT Serial Data from Sensor to Host 13 SCLOCK_OUT OUTPUT Serial Clock from Sensor to Host 5 SCLOCK_OUT OUTPUT Serial Clock from Sensor to Host 10 SCLOCK_IN INPUT Serial Clock ...

Page 32: ... by 4 stop bits SCLOCK_OUT The output clock is synchronous to the input clock with a phase delay It is used by the host as the clock for the serial data output SCLOCK_IN Provided by the host to the sensor and used by the encoder as the system clock Note An interruption in the input clock could cause a loss of encoder position Clock frequency requirements 30MHz to 50MHz nCS The host uses this line ...

Page 33: ...Status and Setup tab The position word is always transmitted most significant bit MSB first Status Bits The encoder status bits are all active high with the exception of the Right and Left Limits Limit status is user programmable active high or active low by using the SmartPrecision II software in the Calibrate and Align tab The nine status bits are defined as follows Status Bit ID Definition IW I...

Page 34: ...a Register value 8 19E108 x ST x NC CF ST the desired speed alarm threshold in m s NC number of clocks between samples CF clock frequency in Hz Register value should be rounded to the nearest integer and entered into the settings screen in the SmartPrecision software The speed alarm may also be disabled in the SmartPrecision software CRC Bits The cyclic redundancy check or CRC includes only the po...

Page 35: ...f position values from 2 62144 m to 2 62144 m total travel of 5 24288 m The total travel in meters is calculated as follows travel 0 00002 m 2n where n the number of interpolation bits Number of interpolated bits The number of bits to calculate the position within a fringe and thus the encoder s resolution The number of interpolated bits can be set from 2 bits x4 interpolation 5 µm resolution to 1...

Page 36: ...ensor Installation Manual and Reference Guide Limit settings The limit state Active High status bit 1 when limits is active or Active Low status bit 0 when limit is active and limit polarity normal or left and right limits reversed can be changed The limits may also be enabled or disabled ...

Page 37: ...h fringe count bits set to 21 41 94304 meters Maximum speed 10 m s Maximum cable length 10 m 7 6 Index Speed Considerations MII6000 Maximum Speed for MII6000 Index after Power up MII6800 MII6700 and MII6500 Models Each time an MII6800 MII6700 or MII6500 encoder is powered up the first pass over the index mark must occur at a speed 1 m s Once the index is initially detected the index will function ...

Page 38: ...ex Window width µm encoder speed m s The Index Window s width can be in the range from 5 µm to 30 µm It is typically 20 µm after calibration To ensure reliable index sampling a value of 5 µm can be used in the above equation for all systems The maximum position sample rate is 4 4 µs there is no minimum sample rate For example Index Window width 5 µm Speed up to 1 1 m s Index Window duration 4 55 µ...

Page 39: ...jiggle or move in any direction other than the axis of motion Make sure that the scale is clean over its entire length or circumference The green Power Calibration indicator LED or limit LEDs are flashing unexpectedly Part of the normal setup procedure is to activate the SmartPrecision II Electronics Calibration Setup process by pressing the recessed button in the electronics module The Power Cal ...

Page 40: ...High Limit Logic 1 Active Low fail safe 2 Active High Maximum Output Frequency 1 12 50 MHz 2 6 25 MHz 3 3 125 MHz 4 1 563 MHz 5 0 781 MHz 6 0 391 MHz 7 0 195 MHz 8 0 098 MHz 9 0 049 MHz 10 0 024 MHz Maximum Output Frequency 1 12 50 MHz 2 6 25 MHz 3 3 125 MHz 4 1 563 MHz 5 0 781 MHz 6 0 391 MHz 7 0 195 MHz 8 0 098 MHz 9 0 049 MHz 10 0 024 MHz Interpolation Integer Steps 4 x4 5 x5 16384 x16384 Inter...

Page 41: ...ctive Low fail safe 2 Active high Index Mode 0 No change to position of index 1 Position reset at every index Maximum Output Frequency 1 12 50 MHz 2 6 25 MHz 3 3 125 MHz 4 1 563 MHz 5 0 781 MHz 6 0 391 MHz 7 0 195 MHz 8 0 098 MHz 9 0 049 MHz 10 0 024 MHz Number of Fringe Count Bits 2 2 3 3 21 21 Interpolation Bits 2 2 3 3 14 14 Interpolation Integer Steps 4 x4 5 x5 400 x400 Si Si Serial Interface ...

Page 42: ...ge PurePrecision Tape Scales 40 40 of sample rate ZG GS3 Z Height Gauge Glass Scales Index Mode 0 Default no option Note Required for MII5000 MII6000 setup Number of Fringe Count Bits 2 2 3 3 21 21 Interpolation Bits 2 2 3 3 14 14 Adapter for Open Collector Limit Outputs MIIA OCL Small DB15 adaptor to convert 3 3V left and right limit output signals to open collector type 7407 End Cap Kit PurePrec...

Page 43: ... MIIL 100 Length in mm 10mm 1 000 mm For high accuracy grade scales contact MicroE Note Index and limit markers must be ordered separately Stick On Index and Limit Markers for Laser Tape II and Performance and Value Linear Glass Scales RIMS Qty of 8 Stick On Index Markers RLMS Qty of 4 Stick On Left Limit Markers and Qty of 4 Stick On Right Limit Markers Note To use RIMS RLMS MII6000 must be confi...

Page 44: ...y with offices in major industrial centers around the globe We deliver enabling technology that brings advanced applications to life in the motion control medical semiconductor electronics and industrial markets To learn more about MicroE encoders visit www celeramotion com Celera Motion World Headquarters Encoder Center of Excellence 125 Middlesex Turnpike Bedford MA 01730 1409 USA Tel 781 266 57...

Page 45: ...Motion 125 Middlesex Turnpike Bedford MA 01730 1409 USA IM MII_PurePrecision_Scales Rev 1a docx Tel 781 266 5700 celeramotion gsig com Mercury II PurePrecision Tape and Glass Scales Installation Manual CELERAMOTION ...

Page 46: ...PurePrecision Tape Scale Installation 4 3 1 4 Design Guide 5 3 1 5 Mounting Surface Preparation 6 3 2 Cut the Tape Scale 7 3 3 Install Tape Scale 8 3 3 1 Install Tape Scale Manually 8 3 3 2 Install Tape Scale Using the Applicator Tool 13 4 0 PurePrecision Linear Glass Scales Installation 21 4 1 Before Installation 21 4 1 1 Items Required for Glass Scale Installation 21 4 1 2 Mounting Surface Prepa...

Page 47: ...e Encoders Use PurePrecision Tape and Glass Scales for the following Mercury II Series Encoders MII5500 MII5700 MII5800 MII5800Si MII5800Pa MII6500 MII6700 MII6800 MII6800Si MII6800Pa 1 3 Related Documents Mercury II 5000 6000 Series Encoders Data Sheets Mercury II 5000 6000 Series Encoders Installation Manual and Reference Guide Mercury II 5000 6000 Series Encoders Interface Drawings 1 4 Manual R...

Page 48: ... documents also contain information for using rotary scales Tech Note Description Design Guidelines for Customer Supplied Hubs MicroE Systems offers standard hubs for each of our standard rotary scales Should customers want to design a hub themselves this document describes the key factors that should be incorporated into the hubs Alignment of Rotary Scales This document describes two different me...

Page 49: ...er 18003 3 Model TSAT PPT required for applications 300mm not required for installations 300mm 4 Optional for tape scales Refer to encoder data sheets or installation manuals for details on ordering parts 3 1 2 Pre Installation Information and Precautions Read all instructions completely before beginning the installation process and follow the instruction sequence throughout the installation proce...

Page 50: ... on the PurePrecision Tape Scale is permanent Do not touch the adhesive once the adhesive backing is removed Do not remove the tape scale from the mounting surface once it has been installed Do not reinstall the tape scale if it has already been installed once If the tape scale is removed and reinstalled again the encoder performance will be degraded Avoid any contamination to the adhesive Any par...

Page 51: ...ench Benching edge must be parallel to axis of motion to within 05 100 mm Trench surface flatness to within 003 10 mm 3 Temprary Straight Edge Use with Tape Applicator Tool Temporary straight edge Use either your hands or the applicator tool to install the tape scale against a straight edge Minimum height of 9 53 mm Benching edge must be parallel to axis of motion to within 05 100 mm Trench surfac...

Page 52: ...aration Perform the following steps prior to tape scale installation Step Action 1 Inspect the mounting surface for any machining irregularities MicroE Systems recommends a surface finish of better than 3 2 micrometers Ra 2 The straight edge permanent or temporary must be sharp on the benching side in order for the applicator tool to use it as a guide In order for the tape scale to be mounted clos...

Page 53: ... using the shears provided in the installation kit Note Check the interface drawing to make sure that the scale is cut to the correct length 2 Securely hold the tape scale close to the shears at an approximate distance of 40 mm 1 inches near the point of cutting Orient the tape scale perpendicular to the shear 3 Cut the tape scale in a smooth continuous motion Shear held perpendicular to the tape ...

Page 54: ...hand see Section 3 3 1 Using the Applicator Tool see Section 3 3 2 Use Section 3 1 4 Design Guide to help select the method of installation 3 3 1 Install Tape Scale Manually Use the steps in this section to install PurePrecision Laser Tape II Scales manually by hand Step Action 1 Orient the scale such that the arrowheads on the blue protective film are pointing towards the mounting surface referen...

Page 55: ...re than 50 mm 2 inches Do not peel the blue protective film off at this time 3 Flip the tape over such that exposed adhesive surface of the tape scale surface from which the adhesive backing was removed faces the desired location where the tape needs to be attached 4 Place the tape scale on the mounting surface reference edge Place the 25 mm 1 inch exposed adhesive left end of the tape scale again...

Page 56: ... the remaining tape on to the mounting surface and pull the adhesive backing out of the way TIP Maintain a gap of approximately 25 mm 35 mm 1 1 inches between the two hands as you progress along the length of the tape scale Note Be sure to keep the blue top protective film in place Make sure that the tape scale is tight against the D reference edge Once the tape has been installed discard the adhe...

Page 57: ... is applied to the mounting surface and before the blue protective film is removed apply even pressure over the entire tape scale length by sliding a glove or cot protected finger across the scale The applied pressure will ensure that the adhesive is set evenly and permanently Performing this operation more than once is not necessary but will not have an adverse effect Slide across scale to apply ...

Page 58: ...ng a sharp tool being careful not to damage the scale Pull off the remaining blue protective film 8 After removing the blue protective film the scale is ready for use and will perform to specification The encoder will not function properly with the blue protective film installed It must be removed for proper encoder operation If installing Laser Tape II index limits go to Section 5 0 Stick On Inde...

Page 59: ...g either a permanent or temporary mounting edge while the tape scale is supplied Applicator Tool Mounting Surface Guide Edges The applicator tool has two guide edges Low guide edge for configurations of thickness 0 76 mm 0 030 inches High guide edge for configurations of thickness greater than 9 5 mm 375 inches Refer to the encoder Interface Drawings for tape scale reference edge D Low Guide Edge ...

Page 60: ... Glass Scales Installation Manual High Guide Edge Surface Tape Travel Path The path for the tape scale through the Applicator Tool is shown in the following diagram High guide surface of tool Mounting surface reference edge higher than 9 5 mm 0 375 inches Entry for metal tape scale under dowel pin Entry for adhesive backing Exit for adhesive backing ...

Page 61: ...eads are pointing away from you as shown The arrowheads on the applicator tool should also point away from you In the example shown below the left end of the tape scale will go into the applicator tool entry channel first Correct orientation of the applicator tool is the MicroE Systems label to the left and the white colored end to the right 2 PurePrecision tape scales have 4 layers blue protectiv...

Page 62: ... arrows on both the tape scale blue protective film and the applicator tool arrows Both sets of arrows have to point in the same direction 4 From the left end arrows are pointing away of the tape scale peel and curl back 50 75 mm 2 3 inches of the adhesive backing as shown Take care not to touch the adhesive on the bottom of the tape scale or allow any particle contamination Note Do not peel the b...

Page 63: ...Precision_Scales Rev 1a Page 17 2015 Celera Motion Mercury II PurePrecision Tape and Glass Scales Installation Manual Step Action 5 Feed the adhesive backing into the applicator tool Adhesive backing inserted into backer slot Adhesive backing exiting from backer slot ...

Page 64: ...rePrecision_Scales Rev 1a Page 18 2015 Celera Motion Mercury II PurePrecision Tape and Glass Scales Installation Manual Step Action 6 Insert the tape scale with blue protective film under the dowel pin and into the entry slot Dowel pin and entry slot Tape inserted ...

Page 65: ...ntil the end of the tape is past the front roller 8 Apply tape scale with the hand grip applicator tool Once the applicator tool is configured with the adhesive backer exiting from the exit slot and steel tape extending past the front tool roller the scale is ready to be installed on the mounting surface Tape scale fed past front tool roller Tape inserted with adhesive backing exiting Applicator t...

Page 66: ...ngth by sliding a glove protected finger or the applicator tool across the scale The applied pressure will ensure that the adhesive is evenly and permanently set 12 Peel off the blue protective film Start the peeling process using a sharp tool being careful not to damage the scale Pull off the remaining blue protective film Clean the tape scale using alcohol or acetone and a lint free cotton cloth...

Page 67: ... for stirring epoxy Silicone adhesive Notes 1 Optional for tape and glass scales limit marker strips model RLMS index marker strips model RIMS Refer to encoder data sheets or installation manuals for details on ordering parts 4 1 2 Mounting Surface Preparation Perform the following steps prior to mounting the glass scales for non adhesive backed glass scales Step Action 1 Inspect the mounting surf...

Page 68: ...sor mount 4 3 Install Linear Glass Scales Use the following instructions to install linear glass scales Step Action 1 Make sure that the mounting surface is dry and clean 2 Align the scale by placing the edges against the benching pins Optionally scale clamps may be used to secure the scale while the adhesive cures 3 Apply a hard epoxy such as Tra Bond 2116 at one point on the scale If no end benc...

Page 69: ...the blue protective film is removed before installing markers 5 1 Stick On Marker Strips Stick On Index and Limit Markers for PurePrecision Laser Tape II HPTS Note Limit markers have different reflectivity values for left and right markers 5 2 Remove Markers from Strip Index limit markers must first be removed from the stick on marker strip Note Index marker is used in this procedure but the proce...

Page 70: ...rom the strip by gently twisting the strip in the area of the marker Note Be sure to hold the index and limit markers by the handle only The adhesive on the handle can be touched however be careful not to touch the adhesive on the areas of the markers that will be applied to the scale Result The marker will pull away from the transparent adhesive backing Holding only the handle slowly pull the ind...

Page 71: ...tion 1 Place the top edge of the marker at the top against the benching edge holding it at a 45 angle as shown below This keeps the adhesive away from the scale until the marker is in the correct position and you press it into place Note The scale is installed with an offset from its reference edge a temporary reference edge surface such as a small metal block must be used for the index and limit ...

Page 72: ...t limit markers repeat steps 1 through 4 6 0 End Caps Installation Perform the following steps to install optional End Caps on tape scale Step Action 1 Epoxy Setup 1 Mix the two part epoxy and place it in a syringe or on the end of a stick Do not use a cotton swab to apply the epoxy 2 Put epoxy on the end of the scale Make sure that the epoxy touches both the mounting surface and the scale across ...

Page 73: ... 12 hours is required for the scale s pressure sensitive adhesive to achieve the best performance and reliability 7 1 Reworking to Correct Mistakes Once installed the scale index marker and limit markers cannot be moved or removed and reinstalled Reworking will require removal and discarding of the old scale or markers and installation of new ones If only the index or limit markers have to be repl...

Page 74: ... technology with offices in major industrial centers around the globe We deliver enabling technology that brings advanced applications to life in the motion control medical semiconductor electronics and industrial markets To learn more about MicroE encoders visit www celeramotion com Celera Motion World Headquarters Encoder Center of Excellence 125 Middlesex Turnpike Bedford MA 01730 1409 USA Tel ...

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