ServoTube 11.indd
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1. CC Controls Corp Copley Motion Systems LLC ServoTube 11 INSTALLATION GUIDE Publication Ref UM03015 A Copley Motion Systems LLC Luckyn Lane Pipps Hill Basildon Essex 5514 3BW England Tel 44 0 1268 287070 Fax 44 0 1268 293344 Prelims ServoTube 11 Installation Guide WARRANTY Copley Motion Systems guarantees its equipment against faulty components for a period of twelve months from delivery Replacement components will be free of charge Copley Motion Systems shall not in any event be liable for consequential damage or loss Copley Motion Systems operates a customer care facility and all requests for repair and replacement should be directed to the Customer Care Department The serial number of the equipment should be quoted in any communications The right to change specification and price is reserved by Copley Motion Systems DISCLAIMER Copley Motion Systems makes no guarantees of any kind with regard to this manual Copley Motion Systems shall not be liable for errors contained herein or for consequential or incidental damages incurred as a result of acting on information contained in the manual CUSTOMER CARE For enquiries relating to the operation and use of the ServoTube 11 described in this Manual please contact the Customer Care Helpdesk Telephone 44 0 1268 287070 Copley Motion Systems LLC Luckyn Lane Pipps Hill Basildon Essex 5514 3BW England Tel 44 0 1268 287070 Fax 44 0 12682. Electrical time constant Electrical time constant is the time taken for a step current input to the motor to reach 63 2 of its value Continuous working Continuous working voltage is the maximum allowable continuous voltage between any two voltage motor phases or between any motor phase and the motor safety earth Pole pitch Pole pitch is the distance in millimetres for one complete electrical cycle between like magnetic poles Power dissipation Power dissipation is the maximum power that can be dissipated by the motor when the motor phases are at their maximum operating temperature the ambient temperature is 25 C the motor is not moving and there is no forced cooling It is quoted with and without the addition of 25 x 25 x 2 5cm heatsink plate mounted with thermal grease to the mounting surface of the motor Maximum phase Maximum phase temperature is the maximum operating temperature for the motor phases It is temperature limited to provide a safe operating temperature for the magnets Rthphase housing Rthphase houslng is the temperature rise from the motor housing to the motor phases for input power of 1 watt to the motor The motor is not moving there is no forced cooling and no additional heatsinking Rthhousing ambient Rthhousing ambient is the temperature rise from ambient temperature to the motor housing for an input power of 1 watt to the motor The motor is not moving and there is no forced cooling It is
3. 2 0 3mm NOMINAL AIR GAP ServoTube 11 Installation Guide Installation 124 0 sd MAA on IAI T O NA D 27 N M20x1 5p PLASTIC NUT M20x1 5p THREAD M20x1 5p PLASTIC NUT M20x1 5p THREAD M20x1 5p PLASTIC NUT LENGTH OF THRUST ROD 0 000 11 0 0 043 THRUST ROD M20x1 5p THREAD M20x1 5p PLASTIC NUT ALL DIMENSIONS IN mm 40 8 4 TAPPED HOLE THRU 3 3 M3 CLEARANCE 4 POSN 175 2 4 AU 35 0 II M4 TAPPED HOLE THRU OR 3 3 M3 CLEARANCE 4 POSN 226 4 M4 TAPPED HOLE THRU OR 3 3 M3 CLEARANCE 8 POSN 277 3 M4 TAPPED HOLE THRU 3 3 M3 CLEARANCE 8 POSN Figure 2 2 STB outline drawings and mounting details Page 7 Chapter 2 Installation ServoTube 11 Installation Guide Electrical All electrical connections to the STA and STB are made via two cables see Figure 2 3 One carries power to the forcer and the other carries signals from the position sensor These cables are supplied either pre terminated for a specific drive or with flying leads Where they are pre terminated simply plug the cables into the relevant connectors on the drive FORCER POWER POSITION SENSOR AMPLIFIER CONNECTOR REFERENCE CONNECTOR REFERENCE WARNING THE THRUST ROD ON BOTH STA AND STB MUST BE EARTHED THIS BE ACHIEVED BY EARTHING THE CONNECTED ME
4. 350 micron 14 mil accuracy from a non contact integral position sensor No external encoder is required Position output is industry standard 1V pk pk sin cos signals Servo Tube is an ideal OEM solution for easy integration into pick and place gantries and general purpose material handling machines The load is mounted directly to the Forcer typically supported by a single bearing rail The Thrust Rod is mounted at both ends similar to a ballscrew A large air gap reduces alignment constraints The tubular forcer has superior thermal efficiency radiating heat uniformly High duty cycles are possible without the need for forcer air or water cooling ServoTube is complimented by a range of matched self tuning servo amplifiers and indexers complete with plug and play cabling Amplifiers interface easily to PLC s and feature CANopen network connectivity for distributed control applications Page 1 Chapter 1 Overview ServoTube 11 Installation Guide Page 2 Chapter 2 ServoTube 11 Installation Guide Installation Chapter 2 Installation UNPACKING Check packaging for signs of damage Metal surfaces may be hot or below O C following prolonged storage Remove packaging Do not discard In the event of items requiring return it is recommended that the original packaging be used Ensure that the delivery note correctly reflects your order and the items delivered Check equipment for signs of damage Never us
5. A A 5 Page 20 ServoTube 11 Installation Guide Appendices THERMAL SPECIFICATIONS we wm me ws MECHANICAL SPECIFICATIONS FORCERYPE te 10 m2 me umis 2 x plastic polymer self lubricating self aligning a POSITION SENSOR The position sensor outputs analogue differential sine and cosine signals for providing position feedback Figure C 1 shows the relationships between forcer phase back EMF and position sensor outputs for one direction of motion as shown by arrows in Figures C 1 and 2 Page 21 Appendices ServoTube 11 Installation Guide Phase U 1104 1112 1116 Neutral Back EMF phase to neutral 1108 only Neutral 2 75 2 50V T2 25V Sensor signals all models 2 75 2 50 2 25 0 30 60 90 120 150 180 210 240 270 300 330 360 electrical degrees Figure C 1 The relationships between motor phase back EMF and position sensor outputs SPECIFICATION VALUE UNITS 1 Signal amplitude between signals Supply current output current 0 _ 8 m Notes 1 Dependent on amplifier 2 Dependent on amplifier Under constant operating conditions Self heating of the forcer will cause expansion in the thrust rod by the motor will cause expansion in the thrust rod during the initial warm up period In high duty applications corresponding to an internal forcer temperature of 80 C a 0 5 met
6. Authorisation number The RMA number should then be quoted on all items returned and quoted for all enquiries Please note that when returning items it is recommended that the original packaging be used SPARES The available spares for the STA and STB are listed in Tables 4 1 and Table 4 2 Table 4 1 Cables avaialable terminated for Accelnet Micro Panel and with flying leads Cable length 3m 450 480 143 Cable length 5m 450 480 145 Flexing cables Cable length 3m 180 475 133 450 480 153 Cable length 5m 180 475 135 450 480 155 Table 4 2 Hardware STA Polymer Bearing kit of 2 401 000 001 M20 plastic nut 150 583 056 Connector retaining clip 400 046 446 Connector lock inserts kit of 2 401 000 002 To place an order for spare parts please telephone or fax your order to the Sales co ordinator Tel 44 0 1268 287070 Fax 44 0 1268 293344 Page 13 Chapter 4 Service ServoTube 11 Installation Guide Page 14 ServoTube 11 Installation Guide Appendices Appendices CONTENTS APPENDIX A GLOSSARY OF TERMS amp ABBREVIATIONS APPENDIX B TROUBLE SHOOTING APPENDIX TECHNICAL SPECIFICATION Page 15 Appendices ServoTube 11 Installation Guide Page 16 ServoTube 11 Installation Guide Appendices Appendix A Glossary of Terms amp Abbreviations GLOSSARY OF TERMS TERM DESCRIPTION OF TERM Peak force Peak force is the force produced when the peak current is applied to the motor It is th
7. an environment within the following conditions defined in the table below SPECIFICATION Operating temperature Storage temperature Ingress protection Altitude above mean sea level 1000m Overvoltage category o Pollution degree 2 EMC Light industrial In addition In addition the ServoTube 11 is available with two environmental coating options Option S has the forcer body coated with a 25 micron layer of black anodise that is suitable for general use Option H has the forcer body coated with a 90 micron layer of hard natural anodise that is suitable for harsher environments Page 26 ServoTube 11 Installation Guide Page 2 Copley 4 C Controls Corp Copley Motion Systems LLC Luckyn Lane Pipps Hill Basildon Essex SS14 3BW England Tel 44 0 1268 287070 Fax 44 0 1268 293344 Ref UM03015 A
8. quoted with and without the addition of a 25 x 25 x 2 5cm heatsink plate mounted with thermal grease to the mounting surface of the motor Thermal time constant Thermal time constant is the time taken for the motor phases to cool to 36 8 of the difference between motor phase and ambient temperatures when there is no current flowing the motor is not moving there is no forced cooling and no additional heatsinking ABBREVIATIONS The abbreviations used in this Guide are listed in the following table we Amencan ie Gauge ve vin cde Las dre ste _ EWG teste Magnets TP e PIC Positive Temperature Page 18 ServoTube 11 Installation Guide TROUBLESHOOTING CHART Appendix B Appendices Troubleshooting Check to see if the problem you are experiencing is listed in the chart below If the problem cannot be solved with reference to this chart contact the customer services department Forcer thrust rod fails to move and produces no force Forcer thrust rod fails to move but does produce force Forcer thrust rod moves but is jerky in motion Forcer thrust rod moves in wrong direction 1 Drive not powered 2 Forcer phase connections not made 3 Forcer over temperature sensor not connected 4 Forcer over temperature 1 One or more motor phase connections not made or made incorrectly 2 One or more position sensor connections not ma
9. standard on the STB OPTION R SPECIFICATION POWER SENSOR Page 23 Appendices ServoTube 11 Installation Guide FORCER ELECTRICAL CONNECTIONS All connections to the forcer are made using the cable assembly supplied This is terminated with a high density 15 pin D type female which mates with the connector on rear of the forcer pod as shown in Figure C 3 The connector is held secure by the retaining clip arrangment D TYPE SOCKET RETAINING CLIP P D TYPE PLUG SENSOR CABLE D TYPE MALE Figure C 3 Shows connecting the cable assembly to the forcer and connector details The pinout details for this connector is shown below Page 24 ServoTube 11 Installation Guide Appendices CABLE TERMINATIONS The ServoTube 11 cable is available with two termination options e Option F has the wire ends stripped and solder tinned ready for termination Option is terminated with connectors that plug directly into a Copley Accelnet Micro Panel amplifier ACJ S The connections for both options are shown in the table below FUNCTION F FLYING C ACCELNET LEADS MICRO PANEL s R mi Forcer phase U J2 pin 4 Forcer phase V J2 pin 3 Forcer phase W J2 pin 2 Connector type Molex 39 01 4051 Earth forcer body J2 pin 1 SCREEN SCREEN J2 pin 1 Page 25 Appendices ServoTube 11 Installation Guide ENVIRONMENT The ServoTube 11 is intended for use in
10. 293344 c Copley Motion Systems 2007 INTERNATIONAL CONTACT DETAILS Copley World Headquarters USA European Headquarters Co ntrols Copley Controls Corp Copley Motion Systems LLC 20 Dan Road Luckyn Lane I Corp Canton Pipps Hill Copley Motion Systems LLC MA 02021 Basildon Essex SS14 3BW USA England Tel 1 781 828 8090 Tel 44 0 1268 287070 Fax 1 781 828 1750 Fax 44 0 1268 293344 website http www copleycontrols com Page ii ServoTube 11 Installation Guide Prelims ServoTube 11 INSTALLATION GUIDE Contents Preliminary pages TUE secs ceive m i Copyright notice ii Contents list urea Em iii WAIN reo A I E E iv C AUTON eea E D TT v Reddo S NOIS ux usu uum E E OEE rE N vi PRODICVIAlO in vii Chapters i Oa 1 AMI cem mmm 3 5 bl ACC A E E 9 di Sellia 13 Appendices Glossary of terms amp Abbreviations ii 17 B jJ Ojo SMOOUN RR RO T MEM 19 Technical SpecilfiCali n MERE 20 Page iii Prelims ServoTube 11 Installation Guide WARNINGS Warning symbols and meanings In this User Manual warning symbols are used These are intended to alert you to the potential hazards to personnel which are associated with the equipment described in all aspects of use including handling installation operation and maintenance Heart pacemakers Personnel fitted with pacemakers must not handle or wo
11. CHANICAL PARTS ON THE USER S MACHINE ACCELNET MICRO PANEL SENSOR CABLE D TYPE CONNECTOR TO J4 alii J2 POWER CABLE Figure 2 3 Schematic showing connection of STA STB to the Accelnet Micro Panel Amplifier For cables other than those supplied a connector lock insert kit is available that allows standard D connector screws to be used These replace the connector retaining clip and simply snap into either side of the forcer Page 8 Chapter 3 ServoTube 11 Installation Guide Maintenance Chapter 3 Maintenance WARNING ISOLATE AND DISCONNECT ALL SOURCES OF ELECTRICAL SUPPLY BEFORE WORKING ON THE EQUIPMENT CAAA STA The STA is low maintenance and as such requires only minimal periodic inspection PREVENTATIVE The integral bearing is dry running requiring no lubrication Periodically e Check that the thrust rod can move freely over the entire stroke e Clean any accumulated debris from the thrust rod surface ferrous material in particular can be attracted to the thrust rod surface e Check all fixings are tight and secure STB The STB is low maintenance and as such requires only minimal periodic inspection Where an external linear bearing is used please consult the bearing manufacturer for recommendations on lubrication types and lubrication intervals Periodically e Check that the forcer can move freely over the entire stroke e Clean any accumulated debris from the thrust rod surfa
12. Figure 2 1 STA outline drawings and mounting details Page 5 Chapter 2 Installation ServoTube 11 Installation Guide Mechanical STB The outline drawing of the STB is shown in Figure 2 2 It comprises the forcer and the thrust rod With the addition of thrust rod supports and a linear bearing a moving forcer solution can be implemented Mounting holes are provided on the forcer body that are tapped M4 and clearance for M3 Dimensional details are shown in Figure 2 2 The recommended tightening torque for the fixings are M4 bearing to forcer 2 Nm All torque figures are non lubricated i e no thread lock As the STB has a moving forcer it is supplied with highly flexible cables suitable for continuous flexing operation In order to achieve the best reliability and life from these cables it is advised that some form of cable management system is used Typically this will be an energy chain mounted parallel to the direction of motion Always follow the manufacturers recommendations when installing cables into energy chains In particular Observe cable minimum bend radius requirements see Appendices Never allow the cable to be under tension within the energy chain e Physically separate cables within the energy chain to prevent premature failure due to abrasion e Never cross cables within the energy chain e Be careful to prevent the cable from twisting or becoming kinked during installation into the energy chain Page 6 Chapter
13. any local electrical and EMC regulations in force at the time of installation Page iv ServoTube 11 Installation Guide Prelims READER S NOTES GENERAL This manual describes the Installation Maintenance and Spares of the ServoTube 11 linear motor ASSOCIATED PUBLICATIONS The following publications are associated with the ServoTube 11 User Manual Reference Number STA Data sheet 0501097 STB Data sheet 0501098 Accelnet Micro Panel User Guide lt o n Accelnet Micro Panel Data Sheet re Page v Prelims ServoTube 11 Installation Guide Page vi ServoTube 11 Installation Guide Chapter 1 Overview Chapter 1 Product Overview SERVOTUBE 11 ACTUATOR The ServoTube Actuator is an optimal solution for industrial position control Faster than a ballscrew with the clean reliability of a linear forcer ServoTube is a cost effective alternative to air cylinders in applications requiring greater flexibility and control The ServoTube Actuator incorporates an IP67 rated forcer and a sealed stainless steel thrust rod enclosing rare earth magnets Four models deliver a continuous force range of 9 27 N 2 6 Ib with peak forces up to 92 N 21 Ib 11 stroke lengths are available from 14 271 mm The patented magnetic design of ServoTube generates 12 micron 0 47 mil repeatability and 350 micron 14 mil accuracy from a non contact integral position sensor No external encoder is required Position output is in
14. ce ferrous material in particular can be attracted to the thrust rod surface e Check all fixings are tight and secure e Check all flexing cables for signs of wear or damage Page 9 Chapter 3 Maintenance ServoTube 11 Installation Guide CORRECTIVE MAINTENANCE CABLE REPLACEMENT This procedure applies to both STA and STB versions If a cable needs to be replaced it will be necessary to change the complete cable assembly Removal Disconnect the cable assembly from the Accelnet Micro Panel Amplifier Release the D type connector retaining clip as shown in Figure 3 1 Unplug the connector and remove the cable assembly CONNECTOR LIFT AWAY THE Hereus M NOCHP APPLY PRESSURE TO CONNECTOR RELEASE CLIP FROM HOOK RETAINING CLIP UNPUG EXISTING u EXISTING CABLE ASSEMBLY Figure 3 1 left Removing the retaining clip and right removing the cable assembly Replacement Plug the 15 pin D type plug into the connector on the forcer and engage the connector retaining clip as shown in Figure 3 2 APPLY PRESSURE HERE PLUG IN NEW TO ENGAGE CLIP ON HOOK CABLE ASSEMBLY ii Figure 3 2 left Plugging in the new cable assembly and right fitting the retaining clip Page 10 Chapter 3 ServoTube 11 Installation Guide Maintenance BEARING REPLACEMENT This procedure applies only to the STA version There are two replaceable bearings located one at each end of the housing Removal Withdraw
15. de or made incorrectly 3 Forcer thrust rod mechanically blocked Incorrect pole pitch set up or phase offset between position sensor and forcer back emf One or more position sensor and forcer phase connections made incorrectly 1 Apply power to drive 2 Check forcer phase connections on drive 3 Check forcer over temperature sensor connections on drive 4 Allow forcer to cool 1 Check forcer phase connections on drive 2 Check position sensor connections on drive 3 Check forcer thrust rod is free to move Check drive or controller set up Check position sensor and forcer phase connections on drive Page 19 Appendices ServoTube 11 Installation Guide Appendix C Technical Datasheet ELECTRICAL SPECIFICATIONS With 25 x 25 x 2 5 cm heatsink plate Continuous stall force 25 C ambient 15 78 21 44 26 75 Without heatsink plate Continuous stall force 25 C ambient 10 83 15 18 19 28 Force constant sine commutation Inductance phase to phase 1116 099 os 145 m otes Reduce continuous stall force to 89 at 40 C ambient Based a moving thrust rod with 14 mm stroke and no payload Based on a moving thrust rod with triangular move over maximum stroke and no payload Z 1 2 3 4 Based on a moving forcer with typical bearings and no payload Based on a moving forcer with triangular move over maximum stroke and no payload a A
16. dustry standard 1V pk pk sin cos signals An internal dry bearing provides clean quiet maintenance free performance Life expectancy far exceeds typical ballscrew solutions The ServoTube Actuator is ideal for push pull lift material handling packaging and automated assembly applications ServoTube accepts a range of industry standard accesories for simple mechanical integration Flexible mid stroke position control is simple with Accelnet a matched self tuning indexer complete with plug and play cabling Simply select your ServoTube model number and the system comes up tuned and ready to run Clear diagnostics make system commissioning easy Fill in the blanks to define position velocity and acceleration Accelnet interfaces easily to PLCs and features CANopen network connectivity SERVOTUBE 11 COMPONENT ServoTube delivers the speed of a belt drive system with the clean reliability of a linear forcer at a price unprecedented in the industry Familiar form factor integral position feedback and large air gap make installation simple The ServoTube forcer components consist of an IP67 rated forcer and a sealed stainless steel thrust rod enclosing rare earth magnets Four models deliver a continuous force range of 9 27 N 2 6 lb with peak forces up to 92 N 21 16 A range of Thrust Rods are available for travel lengths up to 372mm The patented magnetic design of ServoTube generates 12 micron 0 47 mil repeatability and
17. e product of Force constant N Apk and Peak current The motor is not moving there is no forced cooling and no additional heat sinking The duration of the peak force is thermally limited and is therefore only allowable for a period of 1 second Continuous stall force Continuous stall force is the force produced when the continuous current is applied to the motor It is the product Force constant N Apk x Continuous stall current Apk Force constant N Arms x Continuous stall current Arms The motor is not moving and there is no forced cooling It is quoted with and without the addition of a 25 x 25 x 2 5 cm heatsink plate mounted with thermal grease to the mounting surface of the motor Peak current Peak current is the current required to heat the motor phases to their maximum operating temperature when the ambient temperature is 25 C the motor is not moving there is no forced cooling and no additional heat sinking It is the maximum allowable current before demagnetisation of the magnets occurs when the magnet temperature is 100 C The duration of the peak current is thermally limited and is therefore only allowable for a period of 1 second Continuous stall current Continuous stall current is the current required to heat the motor phases to their maximum operating temperature when the ambient temperature is 25 C the motor is not moving and there is no forced cooling It is quoted with a
18. e the equipment if it appears damaged in any way e Read the User Guide before installing and using this equipment INSTALLATION Intended operating environment This equipment is intended for use in an environment within the following conditions Operating temperature 0 to 40 C Storage temperature 25 to 70 C Ingress Protection IP67 Overvoltage category Page 3 Chapter 2 Installation ServoTube 11 Installation Guide Mechanical STA The outline drawing of the STA is shown in Figure 2 1 It comprises the forcer with integrated plastic bearings and the thrust rod The integrated bearings act as a guide for the moving thrust rod It is not intended to withstand side loading If side loading is expected then it is advised that an external bearing is fitted The STA forcer can be mounted by two methods Using the single M20 end fixing Using the clearance or M4 threaded fixings on the forcer body 4 off or 8 off depending on the forcer type IMPORTANT When using the end flange fixing method the fixings and mounting plate must be of a non ferrous material such as aluminium stainless steel and plastic for example In addition when two STAs are mounted side by side they should be isolated by a minimum of 1 mm thick mild steel plate to prevent interaction See Figure 2 1 1 mm mild steel Figure 2 1 Side by side mounting of STAs must be separated by a 1 mm thick mild steel plate Dimensional details for b
19. nd without the addition of a 25 x 25 x 2 5 cm heatsink plate mounted with thermal grease to the mounting surface of the motor Force constant Force constant is the peak force produced when 1 ampere peak flows into one phase and 0 5 ampere peak flows out of the remaining two phases as in sinusoidal commutation quoted in N Apk Alternatively it is the peak force produced when 0 707 ampere rms flows into one phase and 0 353 ampere rms flows out of the remaining two phases again as in sinusoidal commutation quoted in N Arms Back EMF Back EMF constant is the peak phase to phase voltage generated when the motor is travelling at a velocity of 1m s Fundamental motor Fundamental motor constant is the continuous stall force divided by the square root of the constant power dissipated in the motor at that continuous stall force Eddy current loss Eddy current loss is the amount of opposing force produced by the motor when it is travelling at a velocity of 1m s Sleeve clogging force Sleeve clogging force is the amount of force variation produced by having an iron sleeve The variation is independant of motor current Resistance is measured phase to phase at temperatures of 25 C and 100 C Inductance Inductance is measured phase to phase at a frequency of 1 KHz The actual value of inductance varies as the motor position varies so it is the minimum value that is quoted Page 17 Appendices ServoTube 11 Installation Guide
20. oth are given in Figure 2 2 The recommended tightening torque for the fixings are M20 end fixing 4 Nm M4 2Nm both non lubricated i e no thread lock The thrust rod has optional male and female threaded connections at each end These are intended to interface to a number of standard accessories Page 4 Chapter 2 ServoTube 11 Installation Guide Installation 124 1 ACTUATOR ENVELOPE 2 x STROKE 151 6 SEE NOTE 1 I i M20x1 5p THREAD TARDI G WA 40 8 NS 20 5 4 ATTO M20x1 5p m PLASTIC NUT BEARING 11 110032 7 16 _ _ M4 TAPPED HOLE THRU UM OR 3 3 M3 CLEARANCE 4 POSN 09 0 01 175 3 THRUST ROD MTG HOLE ACTUATOR ENVELOPE M5x8DP 2 x STROKE 202 8 SEE NOTE 1 M20x1 5p 8 0 AF THREAD o um STA1108 QUI 4 TAPPED HOLE THRU OR 3 3 M3 CLEARANCE 4 POSN 226 5 END COLLAR DETAIL SCALE 1 1 ACTUATOR ENVELOPE 2 x STROKE 254 0 ACTIVE OVERALL pos imm M20159 See Table See Table THREAD M20x1 5p PLASTIC NUT M4 TAPPED HOLE THRU OR 3 3 M3 CLEARANCE 8 POSN 277 4 ACTUATOR ENVELOPE 2 x STROKE 304 9 SEE NOTE 1 i M20x1 5p a VT M THREAD STA1116 1 011 0 boc M5 THREAD 8 0 AF M4 TAPPED HOLE THRU OR 3 3 M3 CLEARANCE 8 POSN ALL DIMENSIONS IN mm Note 1 Actuator is double acting Tolerance 2mm
21. re thrust rod will expand typically by 125 microns 3 Maximum error over 0 5 metre under constant operating conditions Page 22 ServoTube 11 Installation Guide Appendices MOTOR OVER TEMPERATURE SENSOR It is strongly recommended that the forcer over temperature sensor is connected to the drive amplifier or servo controller at all times in order to reduce the risk of damage to the forcer due to excessive temperatures Protection is provided by three positive temperature coefficient PTC thermistors embedded in the forcer phases As the forcer phase temperature approaches 100 C the PTC thermistors exhibit a sharp increase in electrical resistance This change in resistance can be detected by circuitry within the drive amplifier or servo controller and used to reduce or disable the output of the drive amplifier in order to protect the forcer SPECIFICATION VALUE UNITS Resistance at 95 C 4 700 Resistance at 100 C 10 000 CABLE OPTIONS The ServoTube 11 has a cable assembly that comprises power and sensor cables with a 15 way high density D sub female connector for direct connection to the forcer There are two cable types available Both cable types are available in 3 metre or 5 metre lengths Option S cables are flexible but are not intended for continuous flex or energy chain applications OPTIONS SPECIFICATION POWER SENSOR Option R cables are suitable for continuous flex or energy chain applications cables are
22. rk on this equipment Strong magnets The thrust rod contains powerful magnets and will strongly attract ferrous objects Damage can occur to computer disks and credit cards Electric shock Potentially lethal voltages may be present during the commissioning and servicing of this equipment Isolate and disconnect all sources of electrical supply before working on the equipment Particular care needs to be taken when working on or around motor phase connections Hot surface Surface temperatures of up to 80 C can be present during the commissioning and servicing of this equipment Allow the forcer and thrust rod to cool before working on the equipment Crush hazard The forcer may move unexpectedly Always isolate all sources of electrical supply before working on the equipment General hazard Follow the advice given P PP P P Electrical safety This equipment must be earthed EMC precautions This equipment is intended for use in a light industrial environment It is recommended that the following precautions be observed during installation Keep all cable lengths to a minimum Provide as much physical separation as possible between power and signal cables In particular avoid long parallel runs of cables Maintain screen continuity throughout the cable run Use 360 degree screen terminations where possible Pig tail terminations are not recommended It is the responsibility of the User to ensure compliance with
23. the thrust rod away from the end containing the bearing to be replaced until the thrust rod disengages from the bearing see Figure 3 3 K C 9 5 SLIDE THRUST ROD TO THIS POSITION SLIDE THRUST ROD o o TO THIS POSITION BEARING BEING REPLACED Figure 3 3 Positioning the thrust rod when removing a bearing Use a small flat blade screwdriver or similar and rotate the spherical bearing through 90 degrees so that it aligns with the slot in the housing see Figure 3 4 Push the thrust rod back into the housing until the rotated bearing is pushed out at the other end FRONT FRONT REAR REAR BEARING BEARING ipia IN LINE ROTATED O PUSH Figure 3 4 Setting the orientation of the front left and rear right spherical bearings Replacement Insert the bearing in the slot in the housing and push down gently It will be in the rotated position shown in Figure 3 4 Use a small screwdriver to rotate the bearing through 90 degrees until it is in the in line position as shown in Figure 3 4 Re insert the thrust rod Page 11 Chapter 3 Maintenance ServoTube 11 Installation Guide Page 12 Chapter 4 ServoTube 11 Installation Guide Service Chapter 4 Service SERVICE Should you need to return any items to Copley Motion Systems before doing so please call our Sales coordinator on 44 0 1268 287070 or send a fax to 44 0 1268 293344 in order to obtain an RMA Returned Materials
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