Linear Gage (Origin Mark) LGF-110ZL-B/125ZL-B/150ZL
Contents
1. f linear gages are used in adverse environments where they are subject to frequent splashes of water and oil it is recommended to take preventive measures such as replacing them before being damaged Each part of the gage is sealed up and therefore must not be disassembled If any part is disassembled the rated performance will not be obtained Do not absolutely disassemble the gage 4 Connecting the Gage to a Counter Connect the output connector of the gage to the input connector on a linear gage counter for origin mark For detailed information refer to the user s manual of the linear gage counter IMPORTANT If the gage cable is close to the power line for other instruments the gage may malfunction g A Connect the gage cable as apart from the power line as possible f the gage is connected with other counter than Mitutoyo made allow at least 0 2 second n after the gage is turned on then reset the counter F B 5 Gage Output Signals Z e 1 Output connector PRC05 P8M TAJIMI MUSEN D 2 Pin assignment Signal name Signal name OA az B GND DA DB N C 3 Power supply to the gage head Power voltage 5V 4 8N to 5 2V Ripple voltage 200mVp p or less Current consumption 120mA max 3 Input output signal level DA OA B OB TTL line driver AM26LS31 or equivalent 4 Output signal chart This series of gages are provided with the following three patterns for their output signals Therefore always design t2. 5 Input connector and recommended input circuit connector PRCO5 R8F TAJIMI MUSEN Dedicated spanner for 10mm type No 02ADB683 LGF output circuit OA OB Recommended input circuit Thrust stem for 25 50mm type No O2ADN371 Thrust stem set for 25 50mm type peeve Tightening nut for 25 50mm type No 02ADB692 No 02ADN370 26LS32 or equivalent Dedicated spanner for 25 50mm type No O2ADB693 A Example of use ERA Dedicated spanner 4 OZ ee O2ADBE83 GND LGF 0510ZL B CSO dies M9 SXO 5 Optional accessories 470pF1470pF LGF 110ZL B 9V GND45V GND ral a ey ion Mounting nut Thrust stem Mounting nut GND GND w O2ADBE82 Dimension between Optional accessories hexagonal opposing sides 9 5 0 015 6 Cable extendible length The cable can be extended up to 20m using the extension cable optional 6 Maintenance Fixture width L within 6 to 10 5mm 1 Replacing the contact point Fit the supplied key spanner in the keyway of the spindle then detach or Thrust stem O2ADN37 14 Dedicated spanner LGF 0525ZL B attach the contact point by pinching it with a wrench etc LGF 125ZL B cOptipnal accessories ra O
3. gage highly accurately avoid sites where the temperature will change abruptly Absolutely do not apply an electric engraver to the gage The high voltage may damage electronic parts Also do not use the gage at sites where it is subject to large electric noises Do not exert load on the spindle in the perpendicular direction and do not twist the spindle Do not clamp the stem too tightly since the spindle will not move smoothly Do not apply excessive tension to the cable or do not bend it forcibly To perform stable measurement allow at least 10 minutes after turning on the power Do not set up the origin point at either end of the stroke If the gage is used in combination with other instruments the maximum performance could not be obtained depending on environmental and operating conditions Take those conditions into consideration prior to use The functions and performance will not be guaranteed if the gage is used in other conditions than those specified Tale sufficient damage preventive processing safety measures should this gage have been at fault A contact point could hurt a workpiece depending on the workpiece material measuring force impact when the contact point comes in contact with the workpiece etc Check that there is no problem of hurts on a workpiece during measurement or accuracy variation depending on the measuring force etc in advance of use Electromagnetic Compatibility EMC This pr
4. tse td ioe ee ee IMPORTANT If the adhesive is applied to the spindle the spindle will not slide properly Great care must be exercised 7 Specifications Order NO 542 164 542 165 542 166 Model No LGF 110ZL B LGF 125ZL B LGF 150ZL B Resolution 1um Output signal pitch 4um oz S S TT Minimum edge interval 500ns tym 0 5m Order NO 542 174 542 175 542 176 Zz AXz Tr min Ax Model No LGF 0510 ZL B LGF 0525ZL B LGF 0550ZL B Resolution Xz 1 Output condition 250 mm s 4 lt Spindle moving speed lt Gage response speed 6 2 Minimum edge to edge interval of output pulses Tb See the following table 3 Output delay time 5 e When feeding the spindle forward Max 5 us e When returning the spindle backward Max 10 us C Error output The pulse generation circuit may sometimes overstep its response limit if the output wave is subject to extreme disturbance due to vibration or impact in the gage unit or if the spindle moves faster beyond the output limit of burst pulses However at this time as the linear gage will automatically switch its Resolution 0 5um Output signal pitch 2um Minimum edge interval Measuring range 10mm 250ns 25mm 50mm Contact point downwards 1 2 N or less 4 6 N or less 5 7 Nor less Contact point horizontal 1 1 N or l
5. 09 2 ro o i O A Nt EQ 52 l et 6 2 12 3 PRCOS P8M ae PRCO5 P8M 16 7 40 7 Tajimi 7 e d height Tajimi 0 6 20 Thread height 0 6 20 56 1 M14Xx0 5 Med i Thrust st 9 i TI ouning Serei a oo 15 tee Ne a 7 Hs M14x0 5 I 5 B T i Thrust stem ol 86 A 738 mounting screw 3 7 aa LGF 0550ZL B N LGF 0525ZL B LGF 150ZL B E LGF 125ZL B a Z ES 5 Lo I 13 8 2 Mounting the Gage To mount the gage on another instrument or a fixture clamp the 8 stem or 15 stem It is recommended to use a slotted holder or a split bushing for the mount structure M4 x 0 7 thru 6 15 Unit mm AAN pss ep Pe A Example1 m O SOT Z Z A A A 45 drill 7 5 countersink 4 4deep 0 020 F 1 08 0005 Cross section 2 15 10 024 _ 20 pra ae 0 006 1 Example2 2 1 40 020 tO A 75 _ 10 0005 Q17 0 024 M4x0 7thru 1 2 0 006 I Bia ta Notch position 90 with respect to tap A A A Cross section 2 Split bushing 0 020 0 005 0 024 0 006 8 1 15 N 1 For 10mm Stroke type i kA ___ 2 For 25 50mm Stroke type IMPORTANT 7 Absolutely avoid pressing the stem directly with set screws The built in bearing may be damaged No
6. Linear Gage Origin Mark LGF 110ZL B 125ZL B 150ZL B 0510ZL B 0525ZL B 0550ZL B No 99MBC103B1 Series No 542 Foreword This instrument is a Linear Gage with origin mark To obtain the highest performance and the longest service life from your Linear Gage carefully read this manual thoroughly prior to setup and operation After reading this manual keep it near the Linear Gage for quick reference The specifications of this gage and the description in this manual are subject to change without prior notification Safety Precautions To ensure operator safety use the instrument in conformance with the directions and specifications given in this User s Manual If a contact point with a sharp tip is used exercise sufficient care in handling during replacement or use of it so as not to get hurt AN if a contact point is released freely after it has been pressed in the contact point may burst forth at a very high speed depending on the amount of spindle travel Sufficiently exercise NOTE care so that your fingers or hand may not be pinched Precautions for Use Carefully avoid the following attempts and conditions to protect the instrument from failure and malfunction IMPORTANT Do not apply sudden shocks including a drop or excessive force to the linear gage Do not disassemble or modify the gage Do not use and store the gage at sites where it is exposed to direct sunlight or at extremely hot or cold sites To use the
7. ater inside diameter end to the stem 3 Apply a small amount of silicone adhesive to the grooves part A and seal both ends of the rubber boot Mitutoyo
8. bearing Protection level IP66 Minimum edge to edge interval pulse width under each condition Resolution Tr for real time pulse Tb for burst pulse Te for error pulse Output cable length 2m directly wired from the gage 1um 1us 0 5us 0 25s Operating temperature humidity 0 to 40 C 20 to 80 RH with no condensation 0 5um 1us 0 25s 0 25s Storage temperature humidity 10 to 60 C 20 to 80 RH with no condensation 4 The actual limit of real time pulse output will be depreciated to this value This is because actual detection signals unavoidably contain acceleration components in association with the spindle motion as well as error components from a minute noise included in the signal itself As a result some burst pulses at a speed below the ideal conditions i e ideal signal form at constant speed may be generated 5 Output delay time Time until the counting pulse catches up the spindle position 6 Gage respond speed Refer to the section of specifications of the Users Manual IMPORTANT Since any output during error can not be used as the attribute data it is necessary to detect the error condition at the reception circuitry side t is recommended to design user circuitry based on an IC chip that is capable of counting at 5 Mcps equivalent to a square wave of 1 25 MHz or greater When detecting the origin point position in this gage carefully observe the following to de
9. e IMPORTANT Key Way LGF 0550ZL B 4 If torque is applied to the sensor inside through the spindle LGF 150ZL B J 918 damage or malfunction in the sensor may result Be sure to in 2048 fix the spindle using the key spanner a2 6S 1 aa Koy Sparner i v 7 Mounting nut 2 Replacing the rubber boot for replacing contact points g z S O2ADBEO2 Thrust stem Mounting nut Preventive replacement before being damaged is recommendable iepa B Optional accessories Dares eee Ss exagonal opposing sides The rubber boot is available as an optional accessory a 8 1 Remove the old rubber boot then eliminate the dust and dirt in the grooves part A of the stem and spindle ee J LI Stem plan PAJ Fixture width L within 10 to 13mm LGF 0510ZL B I j IMPORTANT LGF 110ZL B b x aa b Before mounting the trust stem be sure to secure the stem using the dedicated spanner No 0O2ADB683 a No 02ADB693 Excessive force applied between the gage body and stem may cause damage to the Spindle Key Way Rubber boot Contact point gage LGF 0525ZL B Stem J A J A M9 x 0 5 M14 x 0 5 screw are sued only for mounting the trust stem Do not use them for other purposes LGF 125ZL B L AN E D he See Spindle Key Way Rubber boot Contact point Mitutoyo Corporation 20 1 Sakado 1 Chome Takatsu ku Kawasaki shi Kanagawa 213 8533 Japan 2 Insert a rubber boot between the stem and contact point directing the gre
10. ess 4 3 N or less 5 3 N or less Contact point upwards 1 0 N or less 4 0 N or less 4 9 N or less output signal form from burst pulses to error pulses and also synchronize Phase A and Phase B of the 2 phase square wave signals the user can make use of this facility for error detection Origin Position Approx 3mm from BDC Approx 5mm from BDC Stem Diameter 08 015 Phase A t__ Specifications common to all series Phase B Accuracy at 20 C 1 5 L 50 um L Measured length in mm Quantizing error 1 count 4 ee A Origin repeatability at 20 C o lt 0 5 um if the spindle passes through the origin point at a constant speed 1 Output condition The gage will be identified as error under the following conditions and ma 300 T or Sa T in the EEA r produce its output in one of the above described special patterns Osilions sabia otoe gerne transmission inear encoger e Gage response speed 6 lt Spindle moving speed Response speed 1 5m s 7 See ey Output method 90 phase differential square wave compatible with RS 422A e At adisturbance such as noise interference vibration etc a Refer to the above table for Output Signal pitch and Minimum edge interval 2 Minimum edge to edge interval of output pulses Te See the following table Contact point 3 carbide ball Thread M2 5x0 45 Bearing type Stroke ball
11. he reception circuitry so that it includes an error detecting process making use of these patterns A Real time pulse output Phase A wave advances when the spindle is retracted ol ae i E PN E 9B L az M wS 1pm 0 5um Tr min Ae AXz Resolution Az gt AXz Origin point position repeatability edge repeatability o lt 0 5 um At a scale travel speed of 300 mm sec or less in the same direction Xz Pulse width of origin point signals Approx 40 to 60 um reference value 1 Output condition Spindle moving speed lt 250mm s 4 2 Minimum edge to edge interval of output pulses Tr See the following table 3 Output delay time 5 Max 1us B Burst pulse output Phase A wave advances when the spindle is retracted When the response speed reaches the speed limit of real time pulse output the linear gage will switch its signal output form to that consisting of burst pulses At this time these burst pulses will be such 2 phase square wave signals that are forcibly created from the internal clock so the minimum edge to edge interval in their output is smaller than the normal real time pulse output The burst pulses will not always be outputted so as to exactly reflect the actual motion and the delay in signals also becomes larger but the counting values will be still valid as long as this output form continues an ae ae Ce a Hie eS ae oe
12. oduct 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 Disposal of Old Electrical amp Electronic Equipment Applicable in the European Union and other European countries with separate collection systems ef This symbol on the product or on its packaging indicates that this product shall not be treated ef as household waste To reduce the environmental impact of WEEE Waste Electrical and 3 Electronic Equipment and minimize the volume of WEEE entering landfills please reuse aN and recycle a For further information please contact your local dealer or distributors 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 1 Name and Dimension of Each Part Tajimi Thread height KALTA PRCO5 PEM 0 6 14 8 L 40 5 Nt 1 Stem 11 2 ma 2 Rubber boot 5 6 M 3 Spindle E gt i Q et 4 Contact point Hi 5 Output cable FT 6 Output connector ET 61 5 i LGF 0510ZL B a screw ON LGF 110ZL B 68 a SD aye 0 0
13. tect the origin point with as good repeatability as possible Origin point detection should always be performed in the same direction Bidirectional detection of the origin point will exhibit hysteresis just for Xz The spindle moving speed at the origin detection should be 300 mm sec or less Pass the spindle through the origin while keeping either of retracting or releasing direction Accessory No 538610 Key spanner for contact point replacement 10mm type No 210187 Key spanner for contact point replacement 25 50mm type 7 In the case of 50mm stroke type an over speed error may occur depending on the spindle retraction amount if the contact point is released freely after it is retracted CE marking EMC Directive EN61326 1 Immunity test requirements Clause 6 2 Table2 Emission limit Class B 8 Optional Accessories Extension cable for origin mark 5m No O2ADF260 Extension cable for origin mark 10m No O2ADF280 Extension cable for origin mark 20m No O2AADF300 Rubber boot for 10mm type No 238772 Rubber boot for 25mm type No 962504 Rubber boot for 50mm type No 962505 If the thrust stem and tightening nut are used the gage mount fixture needs only 09 5 or 18 hole to be drilled and also the gage can be mounted firmly and easily see below Thrust stem for 10mm type No O2ADB682 Thrust stem set for 10mm type Tightening nut for 10mm type No O2ADB682 j No 02ADB680
14. tice that excessively tightening the stem can cause trouble in the spindle operation Never fix a linear gage at other than the stem Mount the gages so that the spindle is directed perpendicular to _ the measured surface If the gage is mounted at an angle to the measured surface an error may be generated in measurement results Exercise care so as not to exert a force on the gage through the cable w Error LO L1 3 Precautions in Protecting the Gage from Dust and Water IMPORTANT The output connector plug and preamplifier counter side is not protective structured Install the gage at a place where it is not splashed directly with water or oil If an extension cable is used completely cover the preamplifier and connector area with a seal so as not to be exposed to environments If the cable covering is broken liquid will penetrate into the gage inside due to capillary phenomenon This will cause damage to the gage Immediately repair the cable Be greatly careful not to damage the rubber boot due to chips etc If the rubber boot is damaged dust proof function will be deteriorated Immediately replace or repair the rubber boot The materials including rubber which are used for the rubber boot and other sealing parts are not universal against diversified coolants and chemicals If those parts deteriorate unusually consult the nearest Mitutoyo Service Center
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