LGM System Motor Drive Unit
Contents
1. Spindle operation External I O signal EXT connector 10 Output signal Input output signal specification 680g approx excluding accessories Operating temperature 0 to 40 C 20 to 80 RH with no condensation range humidity range Storage temperature range humidity range Accessories 10 to 40 C 20 to 80 RH with no condensation AC power cord DC jack cable 02ADH320A length 1m CE marking EMC Directive EN61326 1 Immunity test requirements Clause 6 2 Table2 Emission limit Class B Low voltage Directive EN61010 1 20 1 Sakado 1 Chome Takatsu ku Kawasaki shi Kanagawa 213 8533 Japan2. Ferrite core Service power osition Position detector supply for counter Photoelectric reflection type f Preamplifier P _ DC jack cable _ with a highly Line driver Output cable M Standard EH 101P Counter etc 02ADH320A L 1m _divided IC i Standard EH 101P Counter etc _ 4 standard specification 3 Setup 3 1 Connecting a Counter to the LGM System 1 Connect the plugs of the DC jack cable O2ADH320A to the DC jack 11 and the DC jack on a counter respectively as shown in the figure above The power is supplied from the motor drive unit to the counter NOTE Connect the plug on the ferrite core attached side to the DC jack on the motor drive unit 2 Connect the output cable from the linear gage to the Gage Input connector on the counter and lock the connector For detailed information about the counter refer to the linear gage counter user s manual NOTE Ifthe linear gage counter is used with its cables close to the power line of other equipment a count error may result Be sure to separate the cable lead from the power line 3 2 Connecting the Linear Gage to the Motor Drive Unit Connect the drive cable from the linear gage unit to the GAGE connector 9 on the motor drive unit and then lock the connector 3 3 Connecting the Power Cable Plug the supplied power cord in the AC inlet 8 firmly Turn on the power switch
3. 7 then check that the power ON OFF LED lights up NOTE When turning on the power to the system first turn on the power to the motor drive unit then turn on the power switch of the counter To shut off the system power reverse this procedure 4 Connector Specification 4 1 Drive Cable Signal GAGE connector The drive cable signals on the GAGE connector 9 are used to interface with the linear gage For detailed information about the signals refer to the user s manual of the linear gage 1 Connector type HR1 OA 7R 6S Hirose 2 Pin assignment viewed from the panel Signal name 6 1 HOT RET 5 2 N C 5V 4 2 External I O EXT connector It is possible to control the switch operation externally using the external input output signals on the EXT connector 10 Also it is possible to check that the spindle is located at the upper limit end by detecting the signal 1 Connector type HR10A 10R 10S Hirose 2 Pin assignment viewed from the panel Signal name GND PMON nEXUP nEXMEG nLIMIT nEXSTOP N C GND N C N C 1 2 3 4 5 6 7 8 9 oO 3 Signal meaning GND Circuit ground PMON 5VDC monitor not available as a power supply EXUP Signal effective once the signal is inputted open collector input having the same function as that of the Upper Limit Return switch EXMEG Signal effective once the signal is inputted open coll
4. being inputted The EXUP or EXMEG signal provides an alternate operation effective once the signal is inputted Motor drive unit side External switch SV Each signali 3 3kQ input 1009 0 0ipF _ GND 2 Controlling the linear gage with the electronic circuitry e Use a transistor open collector output circuit or a driver for inputting each signal of EXUP EXMEG and EXSTOP e The system accepts input of the EXUP and EXMEG signal if the signal effective time the duration of L level is 100ms or more e Among the signals other than the EXSTOP signal the precedent input signal has the priority of execution To avoid a system malfunction do not input multiple signals at the same time External output circuit f Motor drive unit side N Each signal Driver TD62503 3 3kQ input i l Toshiba b WA O O 1002 i 0 01npF f o 9 i i Take noise preventive measures separately Input voltage 5V minimum ON current 40mA minimum The basic operation of each signal is identical to that under switch control Mitutoyo 6 Using the Output Signal The motor drive unit outputs the LIMIT signal when the spindle returns to the upper limit end Since this signal is outputted from a transistor open collector pull up the external input with the resistor as shown below External output circuit Motor drive reference 74HC14 or equivalent Take noise
5. LGM System Motor Drive Unit User s Manual No 99MBC073B2 SERIES No 542 Foreword In order to obtain the best possible performance and the longest service life from your LGM System Motor Drive Unit read this user s manual thoroughly After reading this manual store it in a safe place The specifications of this motor drive unit and the descriptions of this manual are subject to change without prior notification Safety Precautions To use this motor drive unit observe the specifications functions and precautions for use If the unit is used in other way there is a risk of impairment of safety Export Control Compliance The goods technologies or software described herein may be subject to National or International or Japanese Export Controls To export directly or indirectly such matter without due approval from the appropriate authorities may therefore be a breach of export control regulations and the law Electromagnetic Compatibility EMC This product complies with the EMC Directive Note that in environments where electromagnetic interference exceeds EMC requirements defined in this directive appropriate countermeasures are required to assure the product performance Precautions for Use Neither removes the cover nor disassembles this unit Otherwise you may be subject to electric shock or the unit may have a risk of causing breakage or fire as the result of short circuiting due to metallic powders entered in the insid
6. e of WARNING the unit e Be sure to use the supplied AC power cord and perform grounding e DC_OUT DC jack is a service power supply 12VDC dedicated to a single axis counter EH 101P counter etc Do not connect it with anything other than the counter e Do not apply an abrupt shock due to a drop etc or excessive external force to the motor drive unit Also after completing measurement move the piston to the upper limit end to protect the piston from damage e Do not apply excessive tension to the cable or do not bend it forcibly e Do not use the motor drive unit around the high voltage or large current equipment Also do not share the power supply with such equipment e This motor derive unit should be used under the installation environment below e Ambient temperature of 0 to 40 C with small temperature change and humidity of 80 or less with no condensation e Place where can avoid direct sunlight and having less vibration e Less dust chip and cutting oil pollution degree 2 or better Altitude of 2000m or lower e Over voltage category Il power supply voltage fluctuation within 10 and less noise CAUTION Warranty In the event that this motor drive unit should prove defective in workmanship or material within one year from the date of original purchase for use it will be repaired or replaced at our option free of charge upon its prepaid return to Mitutoyo 1 Part Names and External Dimension
7. ector input having the same function as that of the Measurement switch LIMIT Spindle upper limit end detection signal the signal is being outputted when the spindle is located upper limit end open collector output Operation stop signal effective only while the signal is being inputted open collector input The signals are all based on the negative true logic active at a low level EXSTOP NOTE f the external input signal is used along with the panel switch signal this may cause a malfunction in the system If the system is under an unstable state turn off the power once to perform power on reset 4 Applicable connector HR10A 10P 10P Hirose 5 Using the Input Signals 1 Controlling the linear gage with switches or relay e Connect toggle switches etc between connector terminals of each EXUP EXMEG and EXSTOP signals and GND to input the control signals to the motor drive unit The EXUP or EXMEG signal provides an alternate operation effective once the signal is inputted The EXSTOP signal provides a momentary operation effective in controlling the unit only while the signal is being inputted To prevent a malfunction due to chattering retain the signal input time for approximately 100ms or more Also to avoid an undefined operation do not input two or more signals other than the EXSTOP signal at a time The EXSTOP signal provides a momentary operation effective in controlling the unit only while the signal is
8. n 3 ing swi setting 4 switch setting 6 switch 25 0mm s Switch 5 setting 9 switch 30 0mm s Switch 4 Move the spindle to the upper limit end at a high speed 60mmls approx Switch 2 3 Adjust raise lower the spindle position 2 Switches 5 and 6 are factory set to 3 and L respectively assuming that the gage is used in the normal orientation Depending on the settings of switches 5 and 6 the measuring speed and measuring force increase in the order of the following combinations 5 0 6 L lt 5 1 6 L lt lt 5 S 6 H lt 5 9 6 H Select a combination of settings that provide reliable operation according to the gage orientation 3 The measuring speed and measuring force specified for each combination of settings may generate an error due to the instrumental error and operating environments Take that a measuring speed has an error of 20 reference value and a measuring force has an error of 30 reference value into account 5 3 Others Item Specification Power voltage range 100V to 240VAC frequency 50 60Hz Power consumption 5 to 10W EH 101P counter etc Input signal UP signal Same function as that of the UP switch 4 Measurement signal Same function as that of the Measurement switch I Stop signal Stops cancels the spindle operation Upper limit end detection signal Open collector Swi Swi Reverse gage orientation 3
9. preventiv measures separately Maximum rating Ta 25 C Input voltage 40V V ceo ON current 500mA Ic 5 Specification 5 1 Control switch function Name Description Measurement switch Press this switch once to feed the spindle to a workpiece at the specified speed 2 DOWN switch The spindle is fed down while the DOWN switch for positioning the spindle is pressed and stops when the DOWN switch is released 3 UP switch The spindle is returned while the UP switch for positioning the spindle is pressed and stops when the UP switch is released upper limit end at a high speed 1 To prevent a deviation due to vibration when the spindle is returned to the upper limit end with switch 4 or external signal EXUP the motor drive unit performs restoration control in reverse direction using the switch 6 setup Therefore if the unit will not be used for measurement with the power being turned on return the spindle to this position 5 2 Measuring speed and measuring force Standard type reference value measuring measuring speed force 20 0mm s 3 0N 25 0mm s 4 5N 30 0mm s 6 0N 20 0mm s 6 5N 25 0mm s 8 5N 30 0mm s 11 0N 20 0mm s Switch setting of 5 and 6 setting 3 switch 6 se setting 4 switch 6 se setting 5 switch 6 setti ing 7 swi Normal gage Switch 5 5 5 5 5 setting 9 swi 5 5 5 5 orientation Swi 2 3 Swi Horizontal gage orientatio
10. s 13 14 View from A eee Mitutoyo motor DRIVE UNIT U7 12 View from B a B 3 4 1 Measurement switch 2 DOWN switch 3 UP switch 4 Upper Limit Return switch 5 Rotary Digital switch Measuring speed setup switch 10 steps 6 Measuring Speed Select switch High Low switchover 7 Power switch 8 AC Inlet 9 Drive Cable Signal GAGE connector 10 1 1 Unit mm External I O EXT connector 11 Service Power Supply for counter 2 Power ON OFF LED 13 Serial label 4 Electric shock warning label Contact may cause electric shock or burn Do not remove cover NOTE The combination setup of 5 Rotary Digital switch and 6 Measuring Speed Select switch allows you to set the operating speed with respect to the variation of the gage orientation 2 System Configuration e This system consists of the linear gage unit that functions as a length sensor and this motor drive unit The linear gage unit incorporates a motor to control the spindle contact point remotely from the motor drive unit e The following diagram shows the system configuration and the major function blocks LGM Linear Gage Unit Motor Drive Unit fe FR 7 Motor Switch block j Sa Drive cable Power supply Upper limit end saison control block 100 to 240VAC
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