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LK-G Series User`s Manual

1. B Scaling 1 Head A of OUT1 2 Head B of OUT1 3 Head A of OUT2 Incoming command 4 Head B of OUT2 SIMI oj8l IIL Ieee First point measurement value First point display value Setting value format Setting value format FL f J f f f f f f CR Second point measurement value Second point display value Setting value format Setting value format A P S Response command Ls s wj TOIBCR W Filter OUT number 1 OUT1 Incoming command 2 0UT2 SIWIL OJCJ lal lic 1 ILe ICRI Function code Number of times Filter mode of averaging Cutoff frequency e F 0 1times 0 1000Hz f 0 Average 1 4 times 1 300Hz SR Response command 5 Low pass filter 2 16times 2 100Hz Ls isi YoYc eR High pass filter 3 64times 3 30Hz z 4 256times 4 10Hz 5 1024times 5 3Hz 6 4096times 6 1Hz 7 16384 times 7 0 3Hz 8 65536 times 8 0 1Hz 9 262144 times LK G M NO5 E 5 17 5 RS 232C E Trigger mode OUT number 1 0UT1 Incoming command 2 0UT2 S WI IIO E MI lal Jc ICRI T Trigger mode SAI O Trigger 1 vp 1 Trigger 2 SR Response command L s WL T
2. B Starting the ABLE calibration E Finishing the ABLE calibration Head number Incoming command 1 HeadA pw HI DI J PJCR Incoming command 2 Head B EN p SIHID TSY Tis QU SS Response command Si vp Ly S wi H DICR SR Response command Sw H DICR E Stopping the ABLE calibration E Mounting mode Incomming command Head number S WI JIHIDJ JICJCR 3 5 J C Incomming 2 add lt gt command Head B Nd hl sl p SWIRL SS Response command lt gt Mode L Siw HIDICR e PECTUS al 0 Diffuse reflection SR Response command 1 Mirror reflection S WI HEIR E Calculation method OUT number Incoming command 1 0UT1 2 0UT2 Sw ilolla fall cl c CR Waveform calculation 0 1 9 1 2 Ny Calculation method 2 SR Response command Socu anon meto 3 4 0 Head A 4 1 2 S WIL OJA CR 1 Head B 5 13 2 Head A Head B 6 14 3 Head A Head B 7 2 3 4 Head A transparent 8 2 4 object 9 3 4 5 Head B transparent object Even when specifying a value from 0 to 3 for the calculation method specify dummy data for the calculation between waveforms 5 16 LK G M NO5 E 5 RS 232C
3. LL Eh id CL LA The main command or identifier that has been received is added as a header Error response command format EIRIL i CR Main command Error code 00 Command error 22 Invalid parameter error 01 Status error 88 Timeout error 20 Command length error 99 Other errors 21 Parameter count error LK G M NO5 E 5 5 5 RS 232C 2 2 2 Ey Measurement value format The measurement value is outputted in the given format as shown below code Integer portion Decimal point Fractional portion L Fixed length data consisting of seven characters The decimal point is a single character The presence absence and the position of the decimal point vary depending on the settings The measurement value is aligned to the right Fixed length of a single character or The example of the format is shown below Display Output format 1 2345 01 2345 0 0120 0 0 011210 1234 56 1123 4 5 6 1 2 10 0 0 0 1 2 XIXIXIXIX X X FFFFFF FIFIFIF F F FFFFFF F F F FIFI F F Setting value format t t f f f f
4. 3 25 3 28 4 12 C Calculation between heads 3 18 CE Marking tte 3 Change parameter command 5 13 Characteristics esssse 6 10 Check parameter command format 5 20 Combining the separate type conitroller teret Command format uussss Common functions ss Common settings Communication mode A 8 Communication Specifications 5 2 Comparator output ssse 4 7 Comparator standby 2 3 Conditions of the measurement value QUUP Ub TT 3 13 Connection eeseeeeee 1 19 Connecting the terminal block 1 20 Connecting the power 1 20 Connecting the display panel 1 20 Connecting the head 1 19 Copying and initializing of the program eeeesssssssseseeee 3 51 Corrective action for noise 2 D Data Storage Function Decimal point position Diffuse reflection mode 1 8 3 12 Display panel eee 1 6 Display panel connector 1 7 Dual display eee eects 2 2 E Eco ModE ia a a steele Eigse 3 54 Environment Setting Screens 3 48 Environment Settings 1 22 3 46 Error Messages sesser A 5 Expansion connector 1 7 4 5 External synchronization
5. sseseeeeee A 6 lale Er A 8 LK G M NOA E A 1 Troubleshooting This section describes the possible problems and their solutions for LK G Series operation Symptom Checking content Remedy Nothing is displayed on the monitor display Are the controller and the display panel cable of the display panel properly connected Is the power cable properly connected Connect the power cable and display panel cable properly LL1page 1 6 Is the ECO mode turned on Change the setting as required QI page 3 54 Error message is displayed Address the problems according to the respective messages displayed on the Screen LD A 5 The measured value is not displayed Is the measurement target placed within the measurement range Place the measurement target within the measurement range I page 1 8 NM Is the head setting properly set Set it up properly Q page 3 3 Li Does the cover glass have dust or dirt on it Does the cover glass have flaw or crack Remove the dust and dirt O0 page 1 7 Replacement of the cover glass is required Because this replacement requires KEYENCE repair service contact your nearest Sales Office Is the timing control properly set according to the measurement mode Set the timing control according to the measurement mode Q page 3 41 Does the unit
6. 5 22 External Timing Input 3 41 F Filter function esses 3 22 Function of high pass filter 3 23 Function of the Tolerance Settings 2 8 G On dE LEE 2 3 LK G M NOA E H Head eeu aUe ER 1 4 Head connector 1 7 Head Settings 1 22 3 3 Height difference measurement 3 18 HIGH ire 2 3 List of Functions and Function Nos Common function 3 37 List of Functions and Function Nos OUT settings eesesssss 3 13 List of Optional Products A 6 List of the common function setting SGIG6TIS neoaeae aa ia daaa raaa 3 38 Identifying Part Names and Functions 1 6 Inadequate light intensity 3 8 Initialization sees 1 23 Input and output signals for measurement COMIN T Input response time Input Output Terminals Installation environment Installing the controller Installing the single unit type controller aero 1 15 Installing the separate type controller eere 1 15 Installing the head 1 9 L Laser beam damping terminal 6 Laser emission LED 1 7 1 8 Laser remote interlock terminal 6 List of Default Values and Setting Rang
7. o E77 Response command S W H B CR P L Mode 0 Normarl 3 Transparent object2 1 Translucent object 4 Multi reflective object 2 Transparent object E Number of times of alarm processing W Alarm level Sets the number of times of alarm processing Sets the level of alarm Head number Head number 1 Head A 1 Head A ncoming command 2 Head B Incoming command 2 Head B pS iw THICT TNT M nnn Siw Hc TEIL TTL Je cn gt Numerical value lt gt Alarm level Sd Sd f without code sy 0to9 SS Response command 000 to 999 SE Response command Ly Siw THICICR Lo Siw THICICR LK G M NO5 E 5 15 5 RS 232C
8. sse 2 NOt68 iet ip tette 3 Precautions on CE Marking 3 Safety Precautions on Laser Products 4 Organization of this Manual 11 Table of Contents sssss 12 Chapter 1 Before Use System Configuration 1 2 Checking the Package Contents 1 8 LK G3001V LK G3001 VP Single Unit Type Controller 1 8 LK G3001 LK G3001P Separate Type Controller 1 3 LK GD500 Separate Type Controller 1 4 LK G35 LK G30 Head 1 4 LK G15 LK G10 Head 1 4 LK G155 LK G150 LK G157 LK G152 Head 1 5 LK GC2 GC5 GC10 GC30 1 5 Identifying Part Names and Functions 1 6 Controller eesessse 1 6 Head eint 1 8 Installing and Connecting the Heads and Option 1 9 Installing the Head 1 9 Attaching the ND Filter Option 1 12 Installations Depending on the Measurement Target 1 13 Installing the Controller 1 14 Connection eese 1 19 Outline of Measurement and Settings 1 21 Switching Modes 1 21 Setting Mode 1 22 Returning the LK Series to the Factory Default Settings 1 23 12 Chapter 2 Operations and Functions during Measurement Switching the Measurement Va
9. 9 RS RTS CS CTS DR DSR D CD DCD ER DTR PLC link unit Environment Settings Parameters Set the functions according to the PC or PLC link unit to be connected Refer to Setting the Communication Specifications of the RS 232C page 3 49 Item Setting value Remarks Baud rate 9600 19200 38400 57600 115200 Set the parameter according to the Parity check None Even Odd external devices to be connected 5 4 LK G M NO5 E 5 RS 232C Outline of the command format The LK G Series controls the incoming command that has been received and sends back the response command to the external device Use CR to delimit the data in incoming response command format To create the control program confirm the response command from the LK G Series before sending the next command lgneterence J Both upper case and lower case characters can be used in the commands The presence or absence of the brackets in the command format depends on a condi tion Incoming command Incoming command format CR j Response command Response command format CR Incoming command format L L I CL e oH Main command Identifier Identifier2 Identifier3 Response command format
10. LK G15 LK G10 LK G15H LK G10H all 26 3 11 5 LK G M NO6 E 6 19 6 Specifications of the LK G Series LK G155 LK G150 LK G155H LK G150H Diffuse reflection setup i Regular reflection setup 108 5 to 186 5 110 to 190 E Controller to head cable LK GC2 LK GC5 LK GC10 LK GC30 06 33 Cable lenght 2m 5m 10m 30m 012 6 ce e sibl 26 6 20 LK G M NO6 E 6 Specifications of the LK G Series Characteristics Spot Dimension E LK G35 LK G37 E LK G30 LK G32 E LK G35H LK G37H E LK G30H LK G32H LK G M NO6 E 6 21 6 Specifications of the LK G Series E LK G155 LK G157 E LK G150 LK G152 E LK G155H LK G157H E LK G150H LK G152H TENENTE waw Mutual Interference No interference occurs if the beam spot of another sensor is out of the shaded area in the figure E LK G30 LK G35 LK G37 LK G32 E LK G30H LK G35H LK G37H LK G32H 1mm 6 22 LK G M NO6 E 6 Specifications of the LK G Series E LK G155 LK G150 E LK G155H LK G150H gt 5mm 5mm LK G M NO6 E 6 23 6 Specifications of the LK G Series MEMO 6 24 LK G M NO6 E Appendices Trou bleshooltingi i eurn eere e rr re rrt p rn RR En A 2 Error Messages isecen itas Pei c eR RE re pa A 5 List of Optional Products
11. Outer dimension esssss 6 7 Output form of the tolerance comparator 3 42 Output format eee 5 24 P Package Contents 1 3 Panel loGk eee 3 53 Peak hold 3 25 3 28 4 12 Peak to peak hold 3 25 3 28 4 12 Program Change Program function ssses Program No change time Program No switch function Program No switch input R Refresh rate sssssssss 4 16 RESET time seeeee 4 16 Response Delay Time 6 7 Returning the LK Series to the Factory Default Settings 1 23 Reference rate RESET Time eene RS 292C 5 esee nS RS 232C communication specifications 3 49 RS 232C connector 1 7 S Sample hold Sampling rate Scaling Calibration 3 20 Sensor emitter sssssss 1 8 Sensor receiver essere 1 8 Separate type controller 1 3 Separate Type Display Panel 1 4 Separating the Single Unit Type Controller re 1 16 Setting mode esee 1 22 Setting Procedure of Numerical Malties cete te ERR 2 4 Setting value form
12. The measurement range is shown in the figure below Diffuse reflection setup Regular reflection setup Reference distance Reference 30 mm distance Reference ep eee 5mm 23 5 mm Measurement range UE med Reference 71 8 mm distance 0 mm The value inside the parentheses is when the sampling rate is 20 us The laser emission LED at both diffuse reflection and regular reflection lights in green within 0 25 mm of the reference position and lights in orange in the other positions in the measurement range LK G M NO1 E 1 9 1 Before Use E LK G15 LK G10 Installation procedure 27 Reference distance 10 mm Reference 1mm distance Measurement range mm omm 3 7mm The value inside the parentheses is when the sampling rate is 20 us Reference The laser emission LED at both diffuse reflection and regular reflection lights in green within 0 05 mm of the reference position and lights in orange in the other positions in the measurement range 1 10 LK G M NO1 E 1 Before Use E LK G155 LK G150 LK G157 LK G152 Installation procedure M4 2 40 mm or more B The measurement range is shown in the figure below Diffuse reflection setup Regular reflection setup Reference distance Reference 150 mm distance 147 5 mm _ REV RN em distance 9 Reference y Measurement range Omm 40 mm distance ee 39 22mm 0 mm 39mm
13. 22mm The value inside the parentheses is when the sampling rate is 20 us Note that the measurement range narrows disabling measurements at the reference position lgoeterence J The laser emission LED at both diffuse reflection and regular reflection lights in green within 2 mm of the reference position and lights in orange in the other positions in the measurement range Select the mounting mode page 3 12 according to the installation conditions The measurement range when measuring a mirror surface or a glass surface at the time of regular reflection setup is between 39 NEAR side to 24 mm FAR side When the sampling rate is 20 us the value becomes 39 NEAR side to 22 mm NEAR side LK G M NO1 E 1 11 1 Before Use Attaching the ND Filter Option If the head is installed for regular reflection and and the measurement target is a shiny mirror or glass surface the measurement accuracy may deteriorate In such a case attach the ND filter LK F1 to ensure accurate measurement LK G35 LK G30 LK G37 LK G32 LK G155 LK G150 LK G157 LK G152 MS PAN s ND fiter gt K N ND filter LK F1 as LK F2 Mounting screw x 4 Mounting screw x 2 M1 6 x 3 countersink head screw M1 6 x 3 countersink head screw LK G M NO1 E 1 Before Use Installations Depending on the Measurement Target Measuring distance Use the head as close to the reference distance as possible D
14. In such a case mount the head for mirror reflection The following two types of mounting mode are available Function No Mounting Function mode E Dd FF 5 Diffuse Sets head for diffuse reflection Select this in normal cases reflection E tla urr 5 Mirror Sets head for mirror reflection mode Select this when the reflection measurement target is a mirror glass or other specular surfaces E Setting procedure of the mounting mode 1 Hold down the sr key and select HERd R with the A key MEME Head A is set in this example l HEA ig OUT2 OHI OGO OLO OTM 2 Press the key and select the function E with the SUT ERES PO HT n r oe gt key NOLOL Set the mounting mode OUT2 CH OGO me DTM Z li LL NOUNE 3 Press the ev key and select E O with the A key QUI om 69 Dio OTN Select the diffuse reflection mode s L OUT2 OHI Heo Tr T 4 Press the et key to register the setting Press the key to return to the measurement state When the LK G15 LK G10 is connected the setting of the mounting mode is invalid 3 12 LK G M NO3 E 3 Function Settings Setting the Conditions of the Measure ment Value Output The functions related to data processing are set List of Functions and Function Nos Function Function Function No Reference Function 0 1 2 3 4 5 page display R Calculation Head A Head B Hea
15. 1 The value when measuring the KEYENCE standard target ceramic in the standard mode 2 The value when measuring the KEYENCE standard target SUS 4096 times average at the reference distance 3 When the sampling rate is 20 us the value becomes 1 8 FAR side to 5 mm NEAR side at the time of the diffuse reflection and 1 6 FAR side to 4 5 mm NEAR side at the time of the regular reflection LK G M NO6 E 6 Specifications of the LK G Series E LK G37H LK G32H Model LK G37H LK G32H Setting mode Diffuse reflection Regular reflection Reference distance 30 mm 23 5 mm Measurement range 3 5 mm 4 5mm Light source Red semiconductor laser Wavelength 650 nm visible light class 2 IEC60825 1 class II CDRH Output Spot diameter at reference dis tance 0 95 mW max About 30 x 850 um G37H About 230 um G32H Linearity 1 0 05 of ES ES 5 mm Resolution power 2 Sampling rate 0 3 um 20 50 100 200 500 1000 us Selectable among six steps LED indication Near the center of measurement range Lights in green Within the measurement range Lights in orange Outside the measurement range Flashes in orange Temperature characteristics 0 01 of ES C ES 5 mm Environmental Enclosure rat IP67 IEC60529 resistance ing Operating Incandescent lamp or fluorescent lamp 10000 lux max ambient light Oper
16. NPN open collector Brown 2 OUT2 comparator GO OUT2 comparator GO output output NPN type Red PNP open colector 3 OUT2 comparator LO OUT2 comparator LO output output PNP type Orange 4 OUT alarm N C OUT2 alarm output Yellow 5 COM OUT COM for output Green 6 TIMING2 OUT2 TIMING input Non voltage input Blue NPN type eR 7 RESET2 OUT2 RESET input Purple Voltage input ELT o 8 ZERO2 OUT2 ZERO input PNP type Gray 9 P1 Program No switch input White 10 P2 Black 11 P3 Brown 12 COM IN COM for input Red 13 Binary 0 LSB Binary output NPN open collector Orange output NPN type IE 7 14 Binary 1 PNP open collector llow 15 Binary 2 output PNP type Green 16 Binary 3 Blue 17 Binary 4 Purple 18 Binary 5 Gray 19 Binary 6 White 20 Binary 7 Black Continues to the next page LK G M NO4 E 4 5 4 Input Output Terminals Pin No Signal name Description Cord color 21 Binary 8 Binary output NPN open collector Brown a Bray m Ie 23 Binary 10 output PNP type Orange 24 Binary 11 Yellow 25 Binary 12 Green 26 Binary 13 Blue 27 Binary 14 Purple 28 Binary 15 Gray 29 Binary 16 White 30 Binary 17 Black 31 Binary 18 Brown 32 Binary 19 Red 33 Binary 20 MSB Orange 34 STROBE STROBE output Yellow 35 OUT1 OUT2 OUT OUT1 OUT2 selection output Green 36 COM OUT COM for I O Blue 37 OUT1 OUT2 SEL
17. The input response time T2 RESET time T4 and program No change time T7 vary depending on the settings Q Refer to page 4 17 The STROBE time T3 can be changed Refer to page 3 43 Auto zero is canceled when the ZERO input is turned on for two seconds or more The internal measurement value of the RESET input is determined after the RESET time T4 has elapsed LK G M NO4 E 4 13 4 Input Output Terminals Sample hold trigger 2 ON i Comparator output oc X J ON Binary outpu EE i X X X X _0 2ms i T3 ON i i i i STROBE outpu OFF f Min Minti i UO ON TIMING input Spp MaxT2 Sampling MinTi MinT1 peri RETEN 3 RESET oN penod ud ZERO input orr Maxm MinTt Min T1 tenn x gt es P1 to P3 inputs OF UN i Ma y The measurement value is determined after the sampling period T4 has elapsed by using the tim ing input ON as a trigger The minimum input time T1 is 600 ps The input response time T2 sampling period T4 and program No change time T7 vary depend ing on the settings T Refer to page 4 17 The STROBE time T3 can be changed Refer to page 3 43 Auto zero is canceled when the ZERO input is turned on for two seconds or more f you turn on the RESET input or the ZERO input during the sampling period the sampl
18. 20 50 100 200 500 1000 us Selectable among six steps LED indication Near the center of measurement range Lights in green Within the measurement range Lights in orange Outside the measurement range Flashes in orange Temperature characteristics 0 01 of ES C ES 1 mm Environmental Enclosure rat IP67 IEC60529 resistance ing Operating Incandescent lamp or fluorescent lamp 10000 lux max ambient light Operating 0 to 50 C ambient tem perature Operating 35 to 85 RH No condensation ambient humidity Vibration resis 10 to 55 Hz double amplitude 1 5 mm tance 2 hours for each of XYZ axes Material Aluminum die cast Weight including cable Approx 190 g 1 The value when measuring the KEYENCE standard target ceramic in the standard mode 2 The value when measuring the KEYENCE standard target SUS 4096 times average at the reference distance 8 When the sampling rate is 20 us the value becomes 0 37 FAR side to 1 mm NEAR side at the time of the diffuse reflection LK G M NO6 E 6 Specifications of the LK G Series B LK G155 LK G150 Model LK G155 LK G150 Setting mode Diffuse reflection Regular reflection Reference distance 150 mm 147 5 mm Measurement range 3 40 mm 35 mm Light source Red semiconductor laser Wavelength 650 nm visible light class 3R IEC60825 1 class Illa CDRH Output
19. E T6 is a sampling rate L page 3 39 T2 is the input response time Q page 4 17 The alarm status can be changed with the alarm settings LT1page 3 8 As for the REMOTE input the open state is ON and the short circuited state is OFF As for the LASER OFF A B input the open state is OFF and the short circuited state is ON for NPN type For PNP type ON when the voltage is applied and OFF for the open state 4 16 LK G M NO4 E 4 Input Output Terminals Timing details E Minimum input time T1 and input response time T2 Input response time T2 600 us T6 Sampling rate T6 Minimum input time T1 20 us 600 us 50 us 100 us 200 us 500 us 1000 us The sampling rate can be changed according to the setting T Refer to page 3 39 The measurement response time measurement average time RESET time and refresh rate vary depending on the sampling rate Furthermore when the mutual interference prevention function is turned on calculate the value after doubliug the sampling rate T6 T6 x 2 E Average measurement time RESET time T4 and refresh rate T5 Filter Average Number of data of RESET time T4 Refresh rate measurement time moving average T5 Number of 1 T6 x 1 1 T6 x 1 T6 x 1 data to be 4 T6x4 1 T6x4 T6x1 averaged 16 T6 x 16 1 T6 x 16 T6 x 1 64 T6 x 64 1 T6 x 64 T6 x 1 256 T6 x 256 1 T6 x 256 T6 x 1 1024 T6 x 024 1 T6 x 10
20. OUT2 OHI OGO OLO OTM 2 Press the EN key and select the function C with the B key oi cw ngo pio om Set the alarm process HbE dE OUT2 OHI OGO OLO OTM RLBER LACM 3 Press the amp v key and set the number of times with the OUTI GM Oco OLO OTM gt and a keys Suu 500 times is set in this example OUT2 OH rigo EO OTM FLli LL L CILITTE 4 Press the EN key and specify the level with the A key omm cm meo cio cow 8 is set in this example H OUT2 OHI OGO OLO OTM LEuEL 5 Press the key to register the measurement result Press the key to return to the measurement state LK G M NO3 E 3 9 3 Function Settings Automatically Teching the Adjustment Range of ABLE According to the Target The ABLE calibration function optimizes the adjustment range of ABLE by actually measuring the target Use this function when the reflective ratio of the target changes drastically in a short cycle E Procedure of the ABLE calibration 1 Measure an actual target as shown in the following figure 2 Start the ABLE calibration The data acquisition starts 3 Move the target slowly 4 Complete the ABLE calibration The data acquisition is completed and the optimum ABLE range is set reterence When ABLE calibration is performed ABLE of function R is set to MANUAL and the upper and lower limits of control are set to the adjusted values By slowly movin
21. Point 1 Displayed value 1 5 0000 i d SP Analog output voltage value 1 10 000 i aut Point 2 Displayed value 2 5 0000 e d GP Analog output voltage value 2 10 000 e al 3 34 LK G M NO3 E 3 Function Settings A OUTI DH OGO OLO OTM d Hold down the key and select att t with the a key OUT 1 is set in this example 2 Press the key and select the function H with the t mub f OUT2 OH OGO OLO OTM OUTI CHI GO OLO OTM key Set the scaling of the analog output 3 Press the enr key and set the display value of point 1 by using the gt and A keys 4 Press the amp v key and set the output value of point 1 by using the gt and A keys 5 Press the key and set the display value of point 2 by using the gt and A keys 6 Press the key and set the output value of point 2 by using the gt and A keys 7 Press the ant key to register the setting Press the key to return to the measurement state LK G M NO3 E ru LIII OUT2 OHI OGO OLO OTM A SEAL OUTI OHI OGO OLO OTM mann T 5 LILILI OUT2 OHI OGO OLO OTM cap CO d OUT OHI OGO OLO OTM man LILI OUT2 OHI OGO OLO OTM IL liL LILIL OUTI DH OGO OLO OTM Cannan LI LILILI OUT2 OHI OGO OLO OTM J I d d OP OUT OH OGO OLO OTM ann LILLE OUT2 OHI OGO OLO OTM zj INI Cc
22. and select R 44 with the A key GUI DW De uS oa Measurement between surface ends 1 2 is selected in this H H H example OUT2 OHI OGO OLO OTM laJ 5 Press the int key to register the setting Press the key to return to the measurement state When Transparent object 2 QJ page 3 7 is specified select the measurement surface on which the object to be measured actually exists LK G M NO3 E 3 19 3 Function Settings Setting the Scaling for Measurement Calibration The displayed value for the measurement value can be calibrated as desired Set the values to display for the desired two points to calibrate Bi Setting procedure of scaling This section describes the setting procedure of the following calibration as an example Setting content Setting value Display Point 1 Original input value 1 1 0200 A tuaPE Calibrated displayed 1 0000 A id SP value 1 Point 2 Original input value 2 0 9900 Re nPt Calibrated displayed 1 0000 Red SP value 2 Before calibration d Hold down the sr key and select ott t with the A key Display A 0 99 f rr 1 02 OUT 1 is set in this example 2 Press the ENT key and select the function b with the P key Set the scaling 3 Press the en key and select 5 0 3 20 After calibration OUTI LH OGO OLO OTM Input SIT r POW TOR OUT2 DH OGO OLO OTM OUTI OH OGO OL
23. keys As an example the tolerance on the LO side of OUTI is set to 4 0000 Confirm the data by pressing the key and press the key to return to the measurement state Setting procedure of numerical values A numerical value can be set by the following key operations You can set the digit of a flashing number When all digits are flashing you can set symbols When the gt key is pressed the digit that flashes after all the digits flash shifts to the right When pressed for one second or more it shifts in higher speed OUT1 OHI OGO OLO OTM S lth tl nul E e OUT2 DH OGO OLO OTM i L L M IL OUT1 OHI OGO OLO OTM mU LE CLILILILI OUT2 DH OGO OLO OTM Ji ILI nur Utd OUT CH OGO OLO OTM SALA MM L KLILILILI OUT2 OHI OGO OLO OTM I n oUt in gt Al digis fash VW WY YY OUTI OH OGO OLO OTIM 23456 When the A key is pressed the value increments When pressed for one second or more the value advances in higher speed When the key is pressed for three seconds the setting returns to the default value 2 4 OUTI OHI OGO OLO OTM OUT1 OHI OGO OLO OTM LK G M NO2 E 2 Operations and Functions during Measurement If the measurement value is fluctuating around the tolerance comparator value the comparator output may repeatedly turn on and off By setting a hysteresis a gap may be generated between the
24. Communication mode Operation Incoming command Response command Display panel switch DIC a cR D C CR Tolerance setting S W l L M CR Head ABLE S w Ali Mi IIL mca S w H A cR settings ABLE control range S w AJ IRIS IIL GIGI GIG S wi IA 6 Measurement mode S w B n e cs Sw H B cR Number of times of alarm processing Sw CLIN IE AR S WIL_ H C cr Alarm level Sw c LIL IIL Lele S WIL H C c8 Starting the ABLE ealibraton S w DJ ISL Ice SIWE J H D ch Finishing the ABLE calibration Sw D P JCR SIWE H b c8 Stopping the ABLE SIW D CICA S W L _ H D CR calibration Mounting mode Sw EJL I ER SJw H E c8 OUT Calculation method Sw AlL IIL IL be SJw O cR settings Scaling S IW O B cR Filter Sw C IE Ib ee S JWE o C Jc Trigger mode S w EJ MIL Ta JEe cn S w o E c Offset sM Eor JTadE TEE TE TE JE Je J
25. During measurement it calls the Program switch mode During measurement it calls the Tolerance setting mode 6 When pressed for one second it calls the Operation setting mode During setting it cancels the setting content and returns to the previous setting During measurement it calls the Statistics display mode During setting it determines the content During measurement it sets the measurement value to zero When pressed for three seconds it cancels auto zero When pressed for three seconds while inputting the value it initializes the selected item During setting it switches the display to the next setting item While inputting the value it shifts to one digit right When pressed for one second or more it shifts in higher speed During measurement it changes the display for OUT1 OUT2 or both at the same time During setting it switches the setting content While inputting the value it switches symbols or sets numerical values When pressed for one second or more it shifts in higher speed Terminal panel 1 RS 232C connector Establishes communication with a PC or a PLC 3 Refer to Pin Layout page 5 2 2 USB connector KEYENCE Used when connecting the PC via USB 6 Refer to LK Navigator User s Manual for detail
26. Function No 1 OUT1 2 0UT2 Measurement mode Minimum display unit Analog through SAI SAI 0 Normal 0 0 01mm 0 OFF Jf f 1 Peak hold 1 0 001mm 1 0N NEL X Response command 2 Bottom hold 2 0 0001mm L L SIW O e KR 3 Peak to peakhold 3 0 00001mm e 4 Average hold 4 0 1um 5 Sample hold 5 0 01 um Lo The same function code as that of the incoming command E Data storage Incoming command SIWI ICHI iol didjdjd r amp Response command S w C er comparator output form and strobe time Data setting 0 OFF 1 OUT1 2 OUT2 3 OUT1t0UT2 d i CR Number of data Accumulation synchronization 00000 to 65536 0 x1 6 x100 1x2 7 x200 2x5 8 x500 3 x10 9 x1000 4 x20 5 x50 B Sampling rate mutual interference prevention timing synchronization Incoming command Function No LEA Sampling rate Mutual interference Timing synchronization SIWI IC El Ie CR 0 20ys prevention 0 Asynchronous Function code 1 50us 0 OFF 1 Synchronous A S li D C F 2 100 us 1 0N gt B oti rate E Pueri dud om 3 200 us Comparator output Strobe time S ay val interface p robe time 4 500 us format 0 2ms j STING SYNCNTONIZAUON 5 1000us 0 Normarl 1 5ms 1 Hold
27. LI E Program Copy OUT2 OH OGO OLO OTIM OUT2 OHI B00 OLO OTM n r Py Fr Lal Initialization OUT2 OH OGO OLO OTM r ncc cry HSE Panel lock OUT2 OHI OGO OLO OTIM l ru LOLE Eco mode i Off OUT2 OHI OGO OLO OTIM OUT2 OHI OGO OLO OTM Cr re LLL or Eco half A OUT2 OHI OGO OLO OTM Lini FL Eco all z OUT2 OHI OGO OLO OTIM El LL LK G M NO3 E 3 Function Settings Setting the Communication Specifications of the RS 232C The communication specifications and the output operations of the RS 232C interface are set Refer to Chapter 5 RS 232C page 5 1 for RS 232C Function No Setting content Selection Item Remarks R bU to R bH Sets the communication speed of 9600 19200 38400 57600 Unit bps the data 115200 R P to A Pe Sets the type of parity None NON Even EVEN Odd ODD R 5 to R 53 Auto transmission OFF OUT1 OUT2 OUT1 2 E Setting procedure of the communication specifications of the RS 232C 1 Press the sT key and select Enu with the A key SR OW ces cl Set the environment settings E nu OUT2 OHI OGO OLO OTM Press the key and select the function R by the gt ou cw ces nio omw NO LL oC key HOLOE Set the output conditions and the output performance of the our ur mu RS 232C SEXE 3 Press the ent key and select A b2 with the A key OUT GA oeo Dio oTw The baud rate is set as 38400 bps in this
28. NO3 E 3 33 3 Function Settings Scaling the Analog Output The analog voltage output can be scaled into the output voltage value within the range of 10 5 V When setting the scaling specify the analog output values for the display value of the desired two points The scaling of the analog current output 4 to 20 mA is set by calculating the electric current value to the voltage value by using the following formula The voltage value V the electric current value mA 12 mA 0 8 Rangeover at the positive side 10 8V 20 64mA Voltage Current LEE 10 5V 20 4mA 10V 20mA OV TomA 2 5 eee When set to 10V 5mm 10V 5mm 10V 4mA 10 5V 3 6mA 77777777 A i ENS 5 0 5 Measurement value mm Rangeover at the negative side 10 8V 3 36mA When the following conditions are not satisfied Err 1 is displayed and the setting can not be performed Press the ENT key to cancel the error and set the scaling again 1 Input value 1 Input value 2 0 2 Output voltage value 2 Output voltage value 1 Displayed value2 Displayed value 1 The output voltage is calculated by 1 mV and the displayed value by 0 01 um regard less of the specified unit and the minimum display unit E Setting procedure of the monitor output The following settings are performed Measurement content Measurement value Display
29. Names and Functions of the Input Output Terminals 4 2 Functions of the Input Output Terminals 4 2 Functions of the Input and Output Signals 4 7 Timing Chart srann aiin nenei 4 12 LK G M NO0 E Chapter 5 RS 232C Specifications ssssss 5 2 Pii Layout uae an 5 2 Communication Specifications 5 2 Communication Performance and Communication Mode in the Measurement State 5 3 Overview of the Settings According to External Devices 5 8 Outputting Measurement Values and Changing Settings through Commands 5 4 Connecting the PC or PLC Link Unit 5 4 Mode Change Command 5 7 Measurement Control Command Format 5 8 Change Parameter Command 5 13 Check Parameter Command Format 5 20 Timing Chart eee 5 21 Outputting Measurement Values in External Synchronization 5 22 Environment Settings Parameters 5 22 QulitD UL 2 nier 5 22 Timing Chart eee 5 23 Output Format usssse 5 24 Chapter 6 Specifications of the LK G Series Specifications sssssss 6 2 Specifications of the Controller 6 2 Specifications of the Head 6 4 Specifications of the Head to Controller Cable 6 14 Status Table 6 14 Response Delay Time 6 16 Outsid
30. Refer to page 4 16 for T2 input response time LK G M NO5 E 5 23 5 RS 232C Output Format The command format of the measurement value output is identified as follows Regardless of the setting of the timing synchronization the fixed measurement value of each OUT number is outputted in this format TIGIL lal Lt Lt Lt Le Jer OUT number Measurement value format 1 OUT12 OUT2 ASCII Code Table Reference First 4 bit o 1 2 3 4 5 6 7 0 Mu 4lSp 0 P i p 1PoPc 1 1 AlQlalq 2 rPe 2 BIRIbIY 3 Pc 3 C S c s 4Fo es 4Di Tdit a15 IN 9e 5 E U e u gle ongle Fv fiv a7 7 G8W gw 78 BoCa 8 HIX h x 9HrEu 9 IY ily A Les JIZiilz B Visi l K LIk f C FE I L IM I DCga l M l1m E Soj 1 2 N On FISi 117 2 0 _ o Pr 5 24 LK G M NO5 E Specifications of the LK G Series This chapter describes the specifications of the controller and the head outside dimensions and characteristics such as spot diameter SPOCIICALIOMNS E siaa paanan irera aa 6 2 Characteristics cccccccccccccccsssssssseeceeeeceeceesesessssaseeeeeeeeeeess 6 21 LK G M NO6 E 6 1 6 Specifications of the LK G Series Specifications Specifications of the Controller Model Single unit type LK G3001V LK G3001VP
31. Separate type 1 LK G3001 LK GD500 LK G3001P LK GD500P Head compatibility Compatible Connectable number of heads Two heads max Display Minimum display unit 0 01 um Display range 9999 99 mm to 9999 99 um selectable from six steps Display cycle 10 times sec Terminal block Analog voltage output 10 V x 2 outputs output impedance 100 Q Analog current output 4 to 20 mA x 2 outputs maximum load resistance 350 Q Timing input Reset input Auto zero input Non voltage input for OUT1 Voltage input for OUT1 Laser remote interlock input Non voltage input Comparator output NPN open collector output for OUT1 PNP open collector output for OUT1 Alarm output NPN open collector output for OUT1 N C PNP open collector output for OUT1 N C Optional Connector Timing input Reset input Auto zero input Non voltage input for OUT2 Voltage input for OUT2 Program switch input Non voltage input x 3 inputs Voltage input x 2 inputs Laser OFF input Non voltage input for head A head B Voltage input for head A head B Comparator output NPN open collector output for OUT2 PNP open collector output for OUT2 Alarm output NPN open collector output for OUT2 N C PNP open collector output for OUT2 N C Binary Binary output Measurement data output 21 bits OUT1 OUT2 selectable NPN open c
32. b i e 3 4 i e i 3 Lt Moving 1 time 4 times 16 times 64times 256times 1024 times average Rub i 4 ib B4 256 Hdg L i Low pass 1000 Hz 300 Hz 100 Hz 30 Hz 10 Hz 3 Hz filter LPF i000 300 HH ig 3 t e High pass filter 1000 Hz 300 Hz 100 Hz 30 Hz 10Hz 3Hz HPF HHEH 300 og ig 3 Sub function Function Function No Reference Function 6 7 8 9 page display A 4 Head A Surface 1 Surface 2 Surface 2 Surface 3 3 18 transparent Surface 4 Surface 3 Surface 4 Surface 4 object trAn FA i 4 e 3 ge 4 3 4 R 5 Head B Surface 1 Surface 2 Surface2 Surface 3 transparent Surface 4 Surface 3 Surface 4 Surface 4 object trAn b i 4 e 3 ge 4 3 4 t Moving 4096 times 16384 times 65536 times 262144 times 3 22 average Rub 4885 5 384 65536 262 H4 L i Low pass filter 1 Hz 0 3 Hz 0 1 Hz 3 23 LPF i 3 ai t e High pass filler 1 Hz 0 3 Hz 0 1 Hz HPF i 3 t The shaded cells are set by default 3 14 LK G M NO3 E 3 Function Settings List of Default Values and Setting Ranges Function Item Settable range Default value Remarks R Calculation method Head A Head B Head A Head Head A B Head A Head B Head A transparent object displacement thickness Head B transparent object displacement thickness Calculation 1 2 3 4 1 2 A 3 1 4 2 3 2 4 3 4 1 When the transparent between object displacement waveforms thic
33. eyes and skin may result Do not direct the laser beam at other persons Do not disassemble the LK G Series Do not stare at the laser beam Cautions on Class 1 laser products Do not look directly at the laser beam for an extended period of time Do not disassemble the LK G Series LK G M NOO E 5 The LK G Series is equipped with the following safety features based on IEC60825 1 and CDRH Part 1040 10 Safety of laser products E Laser radiation emission warning indicator Lights or flashes while the LK G Series is in operation Laser emission Laser emission Laser emission warning indicator p gt warning indicator warning indicator SS 2 zg gt pss E Laser remote interlock connector The laser beam stops radiation emission upon opening the circuit between the REMOTE terminal and the COM IN terminal Refer to 12 pin I O terminal block page 4 2 for connecting terminals E Beam stop or attenuator The laser beam stops radiation emission by the following operations NPN type Short circuiting between the LASER OFF terminal and COM IN terminal PNP type Apply the voltage between the LASER OFF terminal and COM IN terminal Refer to Expansion Connector page 4 5 for connecting terminals NPN type PNP type LASER LASER OFFA OFFA LASER LASER OFFB OFFB COM IN COM IN REMOTE COM IN k Short circuiting wire The laser remote interlock connector is de
34. f If D The setting change format is the fixed length format that consists of one character and six digit numerical value It has no decimal point The setting check format is the fixed length format that consists of one character six digit numerical value and one decimal point 5 6 LK G M NO5 E 5 RS 232C Mode Change Command This section describes the command format to switch between the Normal mode and Communication mode Refer to page 5 3 for the normal mode and communication mode Command list Operation Incoming command Response command Moving to the communication mode O CR O J CR Moving to the normal mode O J CR O J CR E Moving to the communication mode The mode changes to the communication mode Incoming command Qj O TCR r J L A y OJCR Q LK G M NO5 E Response command E Moving to the normal mode The mode changes to the normal mode Incoming command r R O ICRI S di y SS Response command RILOJCR 5 7 5 RS 232C Measurement Control Command Format This section describes the command format to control the measurement such as incoming commands that the LK G Series can receive during the measurement and the response commands that are to be sent after properly processing the
35. humidity Vibration resis 10 to 55 Hz double amplitude 1 5 mm tance 2 hours for each of XYZ axes Material Aluminum die cast Weight including cable Approx 290 g 1 The value when measuring the KEYENCE standard target ceramic in the standard mode 2 The value when measuring the KEYENCE standard target SUS 4096 times average at the reference distance 8 The value when measuring the KEYENCE standard target ceramic When the sampling rate is 20 us the value becomes 22 NEAR side to 40 mm NEAR side at the time of the diffuse reflection and 22 NEAR side to 39 mm NEAR side at the time of the regular reflection LK G M NO6 E 6 Specifications of the LK G Series E LK G157H LK G152H Model LK G157H LK G152H Setting mode Diffuse reflection Regular reflection Reference distance 150 mm 147 5 mm Measurement range 3 40 mm 39 mm Light source Red semiconductor laser Wavelength 650 nm visible light class 3R IEC60825 1 class Illa CDRH Output Spot diameter at reference dis tance 0 95 mW max About 120 x 1700 um G157H About 9120 um G152H Linearity 1 0 05 of ES ES 40 mm Resolution power 2 Sampling rate 0 6 um 20 50 100 200 500 1000 us Selectable among six steps LED indication Near the center of measurement range Lights in green Within the measurement range Lights in orange Outside the measur
36. incoming commands These commands are accepted only when the controller is in the Normal mode Operation Incoming command Response command Measurement M f amp c8 Mad u value output ME CR Timing ON OFF Tiel ECR T PICR Auto zero ON v a cR v a cn Auto zero OFF W a cR wl a cR Reset VIRIL la dice V R cR Panel lock KILL p cn K L J cR Program change P W E cR PJIwl ca Program check PR ch P RI fe cn Statistical DIO IEIR result output m Clearing statistics D Q a cR p a Eeer Starting the data Alls cr ATSIR storage Stopping the data AP ICA APIA storage Initializing the alala Allalica data storage Outputting the A o Jie AJo I data storage data tf RMR 1 68 Data storage ANIE ANOA CR ERE C ANI ER status output The shaded m cells indicate the setting values or measurement values Symbol a OUT number ddddd Number of the accumulated data hhhhhhhh Measurement value p ON OFF setting mmmmmnm Number of
37. longer than the sampling rate which is set in the setting of the average number of times In such a case the same measurement value continues to be accumulated until the measurement value is updated The accumulation continues without clearing the accumulated data even if Auto zero or RESET is performed When the starting and finishing operation are repeated the new data is accumulated after the old data E Starting finishing the accumulation and clearing the data Conditions for starting Start command from the RS 232 interface the accumulation Operation from the setup support software LK Navigator Conditions for finishing Stop command from the RS 232 interface the accumulation Operation from the setup support software LK Navigator Conditions for clearing Following operations while stopping the accumulation the accumulated data When moving to the measurement mode from the setting mode or communication mode When initialization command is sent from the RS 232 interface Initializing operation from the setup support software LK Navigator When the power is turned off When the program No is changed 3 44 LK G M NO3 E 3 Function Settings E Setting procedure of the method to accumulate data OUTI OHI OGO OLO OTM 1 Hold down the st key and select oPt on with the A key 2 Press the key and select the function F with the gt key Select data storage 3 Pr
38. properly recognized LK G M NO3 E 3 29 3 Function Settings E Sample and Hold Trigger 2 Measurement value Internal measurement value Comparator standby 1 display p 2 i 1 i Sampling Sampling RESET Sampling 1 period period i process period TIMING output ON 1 OFF 1 ON i i RESET input oFF 1 1 1 1 Comparator output cn Comparator 1 ON i i r Strobe output ggg PL fL A Binary output CK Measurement value i iteasurenen i RS 292C output When the TIMING input is turned on the internal measurement value is retained and outputted That value is fixed by sampling the data acquired in the same number of times of averaging since the TIMING input is on In the following cases the comparator standby status the display shows 777777 is displayed until the first measured value is fixed When the power is turned on when the setting is changed when the program No is changed when RESET is inputted when auto zero is inputted The comparator output is outputted according to the measurement value The ON state of each output indicates the state where the NPN or PNP open collector output is turned on The ON state of each input indicates the state where it is short circuited between the terminal and the COM terminal for NPN type and the voltage is applied between the terminal and the COM terminal The RS 232C output is synchronize
39. software LK Navigator Setup support software User s Manual PDF file USB cable 3m LK G M NO1 E 1 3 1 Before Use LK GD500 Separate Type Coniroller Display panel Panel attachment ring m LK GD500 1 N The communication cable between the controller and the separate type display panel is sold separately Refer to page A 6 for details LK G35 LK G30 Head Head 1 Laser sticker sheet 1 Cautions for export A6 1 T g 1 4 LK G M NO1 E 1 Before Use LK G155 LK G150 LK G157 LK G152 Head Head 1 Laser sticker sheet 1 Cautions for export A6 1 LK GC2 GC5 GC10 GC30 Head to controller cable 1 LK GC2 2 m cable LK GC5 5 m cable LK GC10 10 m cable LK GC30 30 m cable We have thoroughly inspected the package contents before shipment However in the event of defective or broken items contact your nearest KEYENCE office address listed in the end of this manual LK G M NO1 E 1 5 1 Before Use Identifying Part Names and Functions This section describes the name and function of each part Controller Display panel 1 Display panel fixing case 2 Display panel fixing screw 3 Measurement value indicators Display the measurement value tolerance comparator value and various statistical results The setting items are displayed during setting KEYENCE U Gpsoo Green Within the tolerance Red Outside the tolerance PE 3 4 Comparator output i
40. the LK G3001 LK G3001P and LK GD500 separate type controller Display panel LK GD500 Controller LK G3001 LK G3001P Installing on a DIN rail Installing on its bottom Display panel Control panel M4 screw x 4 screw depth 6 mm Insert the display panel from the front and fix it with the panel attachment ring When removing the display panel while pushing up the two cutouts of the attachment ring with a flat head screwdriver push out the display panel LK G M NO1 E 1 15 1 Before Use Separating the single unit type controller 1 Disconnect the display panel cable from the display panel connector on the controller s terminal panel Remove the display panel cable from the guide on the bottom of the controller 2 Loosen the display panel fixing screw Reference The display panel fixing screw does not drop from the display panel fixing case 3 Remove the display panel fixing case from the controller Remove the display panel fixing case in the directions of the arrows 4 While pushing 1 and 2 outward in this order push the display panel to remove the panel attachment ring Panel attachment ring Panel attachment ring 1 16 LK G M NO1 E 1 Before Use Combining the separate type controller 1 Install the display panel by aligning it with the two protrusions on the display panel fixing case Display Panel Two protrusions 7 Display
41. 001 LK 3m OP 51655 G3001P 10m OP 51656 Expansion connector cable OP 51657 3 m The cable for the expansion connector 3 m A 6 LK G M NOA E Name Model Appearance Description RS 232C cable OP 96368 The communication cable for RS 232C 2 5 m Conversion adaptor for RS OP 26401 Conversion adaptor for the D 232C sub 9 pin connectorUsed in combination with OP 96368 Conversion adaptor for RS OP 96369 Conversion adaptor for the D 233C sub 25 pin connector Use in the combination with OP 96369 USB cable OP 35331 The cable for the USB connection 3 m LK G M NOA E A 7 Index Alpha numerical 12 pin I O terminal block 1 7 4 2 6 pin I O terminal block 1 7 4 4 A ABLE calibration function 3 10 ABLE function n se 3 5 Alarm output sses 4 7 Alarm process n se 3 8 Analog current output 4 11 Analog monitor output Analog output scaling Analog voltage output F Analog through esses ASCON Cod6 eec Auto offset function Auto zero function Auto zero iNDUt eee eee eee eres Average hold Averaging function B Binary Output 4 5 4 8 Bottom hold
42. 13 4 4 4 R 4 i e 1 2 Measurement and calculation of S two phases nereng i 1 3 R 5 J By selecting 4 the thickness of R 5 1 4 14 the first sheet of glass can be i Aq 2 3 2 3 measured s By selecting 7 the gap between R B8 2 4 2 4 the first and the second sheets of R 18 4 4 3 4 glass can be measured When ErRn f is selected 24 when trAn b is selected 5 LK G M NO3 E 3 Function Settings E Setting procedure of the calculation between heads 1 Hold down the key and select out i with the A key OUTI OHI OGO OLO OTM l K Dur tk OUT2 OHI OGO OLO OTM 2 Press the key and select the function A by the key our cw uoo mio cw Select the calculation HhL dEF OUT2 OHI OGO OLO OTM 3 Cor LILL 3 Press the ant key and select A 2 with the A key OUT cM ogo Cio ote The addition of head A and B is selected in the function H C OUT2 CM neo mio OTM Hd OL noo7 m 4 Press the key to register the setting Press the key to return to the measurement state B Setting procedure for measuring thickness of transparent target 1 2 follow steps 1 amp 2 from the previons section 3 Press the art key and select A 4 with the A key OUH GH Hao Di TW Head A s transparent object is set in this example H H OUT2 OH OGO OLO OTM L L rL Lr rmn 4 Press the 5n key
43. 2 10ms Response command 2 Off delay 3 20 ms slw Ic le CR The same function code as that of the incoming command LK G M NO5 E 5 RS 232C Check Parameter Command Format This section describes the format of the command to check the setting contents These commands are accepted only when the controller is in the Communication mode Operation Incoming command Response command Display panel check D R ICR DIR Wace Tolerance setting SIRIL JOM a Tin a t Yr Tr Tr rc T Jr m Head ABLE SIRIL HALM eR IRI settings 95 ABLE control SJ R I JHI AJ TRI eal STRIS TRAIL RIL BI range CR Measurement mode S R L HILBJL R CR SRILA ETL Te cR Alarm processing STR IHC KCR SRIF CAINE pne Je Tc Mounting mode SIR JIE IR TCR sJR HIE IML Ife Jic OUT Calculation method S R L OA L ECR SIRI ONAL la settings Scaling SIR OBL I
44. 24 T6 x 1 4096 T6 x 4096 1 T6 x 4096 T6 x1 16384 T6 x 16384 4 T6 x 16384 T6x4 65536 T6 x 65536 16 T6 x 65536 T6 x 16 262144 T6 x 262144 64 T6 x 262144 T6 x 64 High pass filter T6 x 12 T6 x 1 Low pass filter T6 x 12 T6 x 1 When the mutual interference prevention function is turned on calculate the value after doubling the sampling rate T6 T6 x 2 E Program No change time T7 Number of connecting Sampling rate T6 heads 20 us Other than 20 us T6 x 10 50 ms Single head 60 ms T6 x 10 60 ms Two heads 50 ms When the mutual interference prevention function is turned on calculate the value after doubling the sampling rate T6 T6 x 2 LK G M NO4 E 4 17 4 Input Output Terminals 4 18 MEMO LK G M NO4 E RS 232C This chapter describes how to connect external devices and the com munication functions for external operation Specifications RHET 5 2 Outputting Measurement Values and Changing Settings through Commands 5 4 Outputting Measurement Values in External Synchronization ssssssssssss 5 22 LK G M NO5 E 5 1 5 RS 232C Specifications Pin Layout Matching connector specifications Modular 6 pin plug connector Pin No Terminal name Description 1 Not used 2 Not used 3 SD TXD Receives signal from external devices input 4 SG GND GND 5 RD RXD Transmi
45. 3 13 Setting the Common Functions esesseses 3 37 Setting the Operations of the Equipment Environment Settings ssseeeeesss 3 46 LK G M NO3 E 3 1 3 Function Settings Measurement Data Flow and Functions The LK G Series can connect two heads Each head can perform measurement individually and the measurement values between the heads can be calculated Sampling Cw Alarm processing Sampling Alarm processing Cw Scaling Head B measurement value Head A measurement value Calculation between the data of heads v C C Cw Tolerance comparator OUT 2 measurement value OUT 1 measurement value The functions of the LK G Series can be categorized into the following four groups g peeu eu jo mol ejeq V peeu eui jo mol ereq Scaling Filtering C Measurement mode elep c LNO Jo mol eeg Auto zero elep LNO JO Mo eea Offset C Head Settings The functions related to sensing for stable detection are set OUT Settings The functions related to data processing are set Common Settings The common functions related to the Head settings and the OUT settings are set Environment Settings The operating environment of the LK G Series is set E Function and function display OUTI OH OGO OLO OTIM Function gt HbLgE OUT2 DH OGO OLO OTM Function display se HbL m 3 2 LK G M NO3 E
46. 3 Function Settings Setting the Head This section describes the settings related to the sensing for stable detection List of Functions and Function Nos Function Function Function No Reference page E Function 0 1 2 3 4 3 display A Light intensity AUTO MANUAL 3 5 adjustment AbLE Alta nRnuRL b Measurement Normal Translucent Transparent Transparent Multi reflective 3 7 mode object object object 2 object nERS narnHL HRLF E ErRn i ErRin 8 ars E Alarm process Count setting CoUnE 0 to 999 18 3 8 RLReA Level LEuEL 0 to 9 4 d ABLE START STOP 3 10 calibration RBLE t StArt StaP E Mounting Diffuse Mirror 3 12 mode reflection reflection nant diFF 5 nirr 5 The shaded cells are set by default List of Default Values and Setting Ranges Function Item Settable range Default value Remarks R ABLE AUTO Upper limit of control 1 to 99 99 Lower limit of control 1 to 99 1 b Measurement mode Normal Translucent object Transparent object Normal Transparent object 2 Multi reflective object E Number of times of processing 0 to 999 Level 0to9 ABLE calibration START STOP E Mounting mode Diffuse reflection Mirror reflection Diffuse reflection LK G M NO3 E 3 3 3 Function Settings List of the Head Setting Screens Head Setti
47. 8 o 5 o a El OUT2 CHI oeo OLO OTM re LIE 7 Press the key to perform copying Press the key to return to the mea surement state Bi Initializing the program Select the program No to be initialized beforehand Perform the step 1 and 2 of copying procedure of the program 1 Press the ent key and select C i with the A key The initialization process of the program starts 2 Press the key Program No 3 is initialized in this example 3 Press the e key to initialize Press the key to return to the measurement state 3 52 OUTI DH OGO OLO OTM L I OUT2 OH OGO OLO OTM ce Er ASE OUT1 OHI OGO OLO OTM ae ee be Py Ltt OUT2 OH OGO OLO OTM r uo LK G M NO3 E 3 Function Settings Preventing Erroneous Operation on the Panel Panel Lock This function is used to prohibit operations on the display panel Erroneous operations can thus be prevented even if an operation key is mistakenly touched Function No Panel lock Function d B aFF ON Key operations from the display panel are valid d ion Off Key operations from the display panel are invalid E Setting procedure of the panel lock 1 Press the st key and select Enu with the A key Set the environment settings Press the amp r key and select the function d with the L3 key Set the panel lock NO Press the evt key and sel
48. An e Transparent object 2 Used when the reflective ratio of the multiple surfaces up to four phases on the transparent object is different b 4ar5 Multi reflective Used to measure the bending of an IC or connector terminal object To obtain optimal control over detection of the four surfaces the sampling rate of Transparent object 2 is quadrupled at maximum Be sure to attach the ND filter 7 page 1 9 When selecting the transparent object transparent object 2 or multi reflective object set the sampling rate L page 3 39 to other than 20 us other than 20 us and 50 us when Transparent object 2 is selected in the LK G155 G150 G157 G152 E Setting procedure of the measurement mode 1 Press the N Hold down the sr key and select HERd R with the A key Head A is set in this example Set the measurement mode C2 I Press the 8 Press the ent key and select b 2 with the A key Iransparent object is selected in this example ent key and select the function b with the key key to register the setting Press the OUTI OHI OGO HER HERg H OUT2 OHI OGO OLO OTM OUT1 OHI olo HbLdE OUT2 OHI OGO OTM ZCOC Mike H mU OUTI DH OGO OLO OTM I d t olo OUT2 OHI OGO OTM key to return to the measurement state LK G M NO3 E 3 7 3 Function Settings Specifying the Process When Measurement is Not Possible Alarm
49. BLE Function No Light intensity Function adjustment R B Ruta Auto Automatically adjusts the light intensity to the optimum level Select this in normal cases R t aRaURL Manual The light intensity and sensitivity can be adjusted by limiting required the adjustment range to the desired range between 1 and 99 Select this when the reflective rate of the target changes rapidly and drastically or when only detection of the target is E Setting procedure of ABLE AUTO 1 Hold down the sr key and select HERd R with the A key Head A is set in this example N Set ABLE C2 Press the EN I OUTI CHI oco OLO OTM Press the en key and select the function A by the gt key Press the et key and select A 0 with the A key Select AUTO key to register the setting Press the key to return to the measurement state LK G M NO3 E SUE Be AAO R OUT2 OHI OGO OLO OTM OUT1 CHI oo OLO OTM DnLIr ID HbLdE OUT2 OH OGO OLO OTM mI ec HALE OUTI DH OGO OLO OTM Lr Ii OUT2 OHI OGO OLO OTM Cil tl MUCO 3 5 3 Function Settings E Setting procedure of ABLE MANUAL 1 3 6 Hold down the sr key and select HEAd A with the A key Head A is set in this example Press the ent key and select the function f with the P key Set ABLE Press the key and s
50. C interface When the clearing operation is performed on LK Navigator software When a program No is switched When the power is turned off The upper OUT1 display shows the name of the statistical data and the lower OUT2 display shows the statistical data The statistical data consists of the following 11 items OUT display Name of statistical data Description 5H Tolerance upper limit Displays the upper limit of the tolerance setting 5Lo Tolerance lower limit Displays the lower limit of the tolerance setting Rub Average value Displays the average value of the measurement data toP Maximum value Displays the maximum value of the measurement data bot Minimum value Displays the minimum value of the measurement data daF Maximum value Displays the difference between the maximum value and minimum value the minimum value 5td Standard deviation Displays the standard deviation of the measurement data no Number of all data Displays the number of all the measurement data hi Number of tolerance HI Displays the number of data that exceed the upper limit of data the tolerance bo Number of tolerance Displays the number of data found within the tolerance GO data range to Number of tolerance Displays the number of data that are below the lower limit LO data of the tolerance is displayed as at OUT1 and a
51. F OUT2 OH OGO OLO OTIM ALEEr 3 Press the ent key and select b with the A key Om 5H Hes BS EU The mutual interference prevention function is set to ON in L H this example OUT2 OH OGO OLO OTM an 4 Press the key to register the setting Press the ser key to return to the measurement state The sampling rate is doubled when the mutual interference prevention function is set to ON 3 40 LK G M NO3 E 3 Function Settings Setting the External Timing Input The control method for the timing inputs of OUT1 and OUT2 can be set The following functions can be specified by the settings Function No Timing Function synchronization C O n SYAC Asynchronous Controls OUT1 and OUT2 asynchronously Assigns independent input terminals for each of OUT1 and OUT2 e OUT1 No 8 of the 12 pin I O terminal block 3 OUT2 No 6 of the expansion connector C i SYA Synchronous Controls OUT1 and OUT2 synchronously No 8 of the 12 pin I O terminal triggers OUT1 amp OUT2 and No 6 of the expansion connector becomes invalid E Setting the timing synchronization 1 Hold down the key and select oPt an with the A key OUTI OHI OGO OLO OTM Set the common settings nPE ian OUT2 OHI OGO OLO OTM 2 Press the amp v key and select the function E with the OUTI CM GgQ plo OTM nLr i r gt key Hb LOC F OUT OH Oc
52. H CAUTION LASER RADIATION DO NOT STARE INTO BEAM AVOID EXPOSURE AVOID EXPOSURE E see LASER LASER RADIATION iS EMITTED FROM WAVELENGTH 650nm THIS APERTURE MAXIMUM OUTPUT 0 3mW CLASSI LASER PRODUCT LK G M NOO E W Label attachment locations LK G35 LK G30 LK G37 LK G32 KEYENCE css KEYENCE sss KEYENCE LK G M NO0 E 10 MEMO LK G M NOO E Organization of this Manual Before Use k Operations and Functions during Measurement Function Settings GAI Input Output 4 Terminals RS 232C Chapter oM k Specifications AMT Appendices Te LK G M NOO E Describes cautions and preparations before use Describes the operations that can be performed during dis placement measurement and their functions Describes the functions and setting procedures of the Head settings Output settings Common settings and Environment settings Describes the specifications of the input output terminals and timing chart Describes the functions of the RS 232C interface and the setting procedures Describes the specifications of the controller and the head outside dimensions and characteristics Describes the troubleshooting methods contents of error messages and optional products Table of Contents Safety Precautions sssss 1 General Cautions 1 ANWABNIN etches 1 ANCAUTION
53. I olo OTM E ing 3 31 3 Function Settings Measuring with Offset You can add or subtract any value to or from the displayed value When the offset value is set it can be displayed when the auto zero is performed Refer to List of Default Values and Setting Ranges 3 37 page for the setting range and its restriction Adjusting the master workpiece by using the auto zero function auto offset function The size of the master workpiece can be set as the master value reference value if you set the size of the master workpiece as the offset value and then use the auto zero func tion while measuring the master workpiece E Setting procedure of the offset value The setting procedure is described below for the case where offset is set for OUT1 as an example 1 Hold down the key and select out withthe A ou cw cao Gio ow ni tAME E ey LILIL I OUT is chosen for this example ura HH n0 Cio ETM Press the key and select the function F with the P Ge n ue um M NO key HbLdEF Set the offset M EET OFF JCC 3 Press the r key and set the offset value with the gt and ou ow ceo pig cow A keys nnmnmarnn ys LILIELI ILILI 0 03 is set in this example I EEGEE aF SE Lr Press the key to register the setting Press the str I key to return to the measurement state 3 32 LK G M NO3 E 3 Function Settings Sett
54. Josueg 1ueujeoe dsiq 1ese GOD foeinooe ufip peeds ufi senes 9 1 jenuejy sasn JJN343M KEYENCE 96M1327 High speed High accuracy CCD Laser Displacement Sensor LK G Series User s Manual Read this manual before using the system in order to achieve maximum performance Keep this manual in a safe place for future reference Introduction This Instruction Manual describes the basic operations and hardware functions of the LK G Series Read this manual carefully to ensure the optimum performance and full function of the LK G Series before use Keep this manual in a safe place for future reference Be sure that the person who will finally operate this product receives this manual E Symbols These symbols alert you to matters concerning the prevention of human injury and prod uct damage N DANGER Failure to follow the instructions may lead to death or serious injury Z N WARNING Failure to follow the instructions may lead to injury N CAUTION Failure to follow the instructions may lead to product damage or failure of the product Provides additional information on proper operations that can be easily mistaken Reference Provides advanced and useful information for operation Safety Precautions General Cautions At startup and during operation be sure to monitor the functions and performance of the LK G Series We recommend that you take substantial safety measures to avoid an
55. O E CR E Offset OUT number 1 OUT1 Incoming command 2 0UT2 S Wi JOILF JL dal EILE IL ILE ILE ILE TT CR E Setting value format m CZ Sy SR Response command L gt 5 Tw TOTF CR E Analog output scaling OUT number 1 OUT1 Incoming command 2 OUT2 S IWI IOIHI at ETE TETETETETE T TF TF TF JF E J F f First point display value First point output value Setting value format Setting value format fJf ifier f f ICRI Second point display value Second point output value Setting value format Setting value format SAI iD SS Response command L s jw TOIHICR Set the voltage value in mV for the setting value format of the output value Setting example 10 000 V is specified as 0 0 1 0 0 0 5 18 LK G M NO5 E Lv E fi 5 RS 232C E Measurement mode minimum display unit and analog through Function code D Measurement mode ncoming command G Minimum display unit Analog through siw olel la I cer TB OUT number
56. O OLO OTM OUT1 OHI OGO OLO OTM sohib K alil J SOUC K JOUET E X m LI OUT2 OHI OGO OLO OTM OUT2 OHI OGO OLO OTM OUT2 OHI OGO OLO OTM Environment Settings OUTI OHI OGO OLO OTM Common Settings OUT OHI OGO OLO OTM oP om OUT2 OHI OGO OLO OTM PROG 0 to 7 Eight programs can be switched among Program Nos 0 to 7 in the LK G Series You can register a set of parameters as a program according to the measurement process or the measuring target The set parameters can easily be changed if necessary when calling up the desired program Head setting The functions regarding sensing for stable detection can be set Setting contents ABLE Measurement mode ALARM warning ABLE calibration LL Refer to Setting the Head page 3 3 OUT settings The functions regarding data processing can be set Setting contents Calculation method Scaling Filter Measurement mode Trigger Offset Minimum display unit Analog scaling Analog through T Refer to Setting the Conditions of Measurement Value Output page 3 13 Common settings The common functions regarding the head setting and the OUT setting can be set Setting contents Sampling rate Mutual interference prevention Timing synchronization Comparator output format Strobe time Data storage LL Refer to Setting the Common Settings page 3 37 Environment settings The operating environment o
57. O OTM HbLdEF OUT2 OH OGO OLO OTM Cro JLIIL OUT CH OGO GLO OTM Ln Li LI OUT2 OH OGO OLO OTM LK G M NO3 E 3 Function Settings 4 Press the key to set the input value 1 of the head A one EST om GH O60 Hio OTM point 1 by using the gt and A keys ff t Pou The current measurement value is loaded if the key P T a is pressed 1 IA 5 Press the key to set the input value 1 of the head A OUT OHI Oco OLO OTM point 1 by using the P and A keys D ETA WIR Dep UG e Ores LL hri 6 Press the amp v key to set the input value 2 of the head A OUT OMi OGO OLO OTM point 2 by using the P and A keys DB89800 The current measurement value is loaded if the key Fu nPE is pressed nc V 7 Press the key to set the input value 2 of the head A OUT OMI 560 OLO OTM point 2 by using the P and A keys D AB GG Gum cw cer cus cm Li co Mi cd d ior 8 Press the key to register the measurement result Press the key to return to the measurement state When the following conditions are not satisfied Err 7 is displayed and the setting can not be performed Press the key to cancel the error and set the scaling again 1 Input value 1 Input value 2 0 2 Displayed value2 Displayed value 1 lt Input value 2 Input value 1 Reference If the key is pressed while inputting
58. O OTM OUTI OHI OGO OLO OTM H E d A B OUT2 OHI OGO OLO OTM Hidd Fib rr A B OUT OH OGO OLO OTM Liu nr JL Dm rd Transparent object A B ri OUT2 OH OGO OLO OTM Lr E Fn H Scaling Head A OUT2 OH OGO OLO OTM OUT2 OHI OGO OLO OTM Cro gt H JL IL D Ul nP 3 OUT2 DH Oco Glo Onm fa T Lo dq Filter Average OUT GH EGO Hilo Omm QUI2 oH Oco Ulo Omm Z ILE nr riLEEr be LI 9 OUT2 OH OGO OLO OTIM roc FILE i OUT2 OH OGO OLO OTM HPF 3 16 LK G M NO3 E 3 Function Settings LK G M NO3 E Measurement mode OUT2 OH OGO OLO OTM Hold Trigger OUT2 OHI OGO OLO OTIM P Normal OUT2 OHI OGO OLO TIM nor nt Peak hold gy OUT2 OH OGO OLO OTM P H Bottom hold A OUT2 DH OGO OLO OTM Bon Peak to peak hold OUT2 OH OGO OLO OTM PP Sample and hold gg OUT2 CHI OGO OLO OTM Average hold A OUT2 DH OGO OLO OTM Auu H Trigger 1 OUT2 OHI OGO OLO OTM Cr tu Offset OUT2 LH OGO OLO OTIM aFFSEE Minimum display unit OUT2 OH OGO OLO OTM ILI i can Trigger 2 gy OUT2 OHI OGO OLO OTM E inc GELFE Analog output scaling OUT2 OH OGO OLO OTM A SCAL Analog through OUT2 OHI OGO OLO OTM H EHrU 3 17 3 Fu
59. ON LED is out of the effect of the Eco mode E Setting procedure of the Eco mode 1 Press the sT key and select Enu with the A key OUTI OH OGO OLO OTM Set the environment settings B z Em OUT2 OHI OGO OLO OTM 2 Press the key and select the function E with the OUTI OHI OGO OLO OTM gt key tL HbLgdE Set the Eco mode OUT2 OH OGO OLO OTM rf LLLI OUTI OHI OGO OLO OTM 3 Press the ent key and select E i with the A key Eco half is set in this example r I LI L OUT2 OH OGO OLO OTIM Lic T AIL 4 Press the en key to register the setting Press the str key to return to the measurement state 3 54 LK G M NO3 E Input Output Terminals This chapter describes the specifications of the input output terminals and timing chart Identifying Names and Functions of the Input Output Terminals 4 2 Timing Ghart m 4 12 LK G M NO4 E 4 1 4 Input Output Terminals Identifying Names and Functions of the Input Output Terminals This section describes the names and functions of the input output terminals 12 pin I O terminal block 6 pin I O terminal block and expansion connector Functions of the Input Output Terminals This section describes the overview and the functions of the input output terminals 12 pin I O terminal block Used for the comparator output and control input of OUT1 Matching cord speci
60. OUT1 OUT2 selection input Non voltage input Purple 38 LASEROFFA LASER OFF A input oie Gray 39 LASER OFF B LASER OFF B input PNP type White 40 COM IN COM for I O Black COMs for output of pin Nos 5 and 36 are common COMS for input of pin Nos 12 and 40 are common The cord color is the wire color of the I O cable OP 51657 gt Note NPN type COM OUT and COM IN are common via a choke coil Also 24 V DC 2 COM OUT and COM IN of the 12 pin I O terminal block are all common via a choke coil Be careful not to generate a potential difference PNP type COM IN and 24 V DC are common via a choke coil Also 24 V DC and COM IN of the 12 pin I O terminal are common via a choke coil Be careful not to generate a potential difference 4 6 LK G M NO4 E 4 Input Output Terminals Functions of the Input and Output Signals The following table shows a list of program numbers and how they relate to the status of terminals P1 through P3 Refer to 4 2 for the layout of each terminal Comparator output Name Description Reference page Tolerance comparator Outputted according to the tolerance comparator results Page 4 5 output HI GO LO Alarm output Name Description Reference page Alarm N C output Turned on when FFFFFF is displayed due to the alarm Page 4 2 processing the NPN or PNP open collector output transistor is off Turned off when the norm
61. Process The measurement is disabled when measurement overrange occurs or the light intensity is not adequate The alarm process specifies how to process the data in these situations The alarm process has the following two types Setting Function Count Specifies the number of samples the previous measured value is held for after Count measurement is disabled Setting range 0 to 999 If the measurement remains disabled even after the number of times of processing exceeds the specified value the measurement value is displayed as FFFFFF Holding is released when the system recovers to the measurement state within the specified number of times of processing When the number of times of processing is set as 999 the normal value continues to be retained until the measurement is enabled Level Sets the threshold level of the received light status to be judged as not measurable LEuEL Setting range 0 to 9 0 is the least sensitive to the alarm and 9 is the most sensitive to it Normal measurement value without hold when the Count is set to 0 FFFFFF Normal measurement value with hold The measurement disabled state on a hole and the like can be cancelled 3 8 LK G M NO3 E 3 Function Settings E Setting procedure of the alarm process 1 Hold down the str key and select HEAd A with the A key our cm ceo nio cm Head A is set in this example HE Hd H
62. Spot diameter at reference dis tance 4 8 mW max About 120 x 1700 um G155 About 26120 um G150 Linearity 1 0 05 of ES ES 40 mm Resolution power 2 Sampling rate 0 5 um 20 50 100 200 500 1000 us Selectable among six steps LED indication Near the center of measurement range Lights in green Within the measurement range Lights in orange Outside the measurement range Flashes in orange Temperature characteristics 0 01 of ES C ES 40 mm Environmental Enclosure rat IP67 IEC60529 resistance ing Operating Incandescent lamp or fluorescent lamp 10000 lux max ambient light Operating 0 to 50 C ambient tem perature Operating 35 to 8596 RH No condensation ambient humidity Vibration resis 10 to 55 Hz double amplitude 1 5 mm tance 2 hours for each of XYZ axes Material Aluminum die cast Weight including cable Approx 290 g 1 The value when measuring the KEYENCE standard target ceramic in the standard mode 2 The value when measuring the KEYENCE standard target SUS 4096 times average at the reference distance 8 The value when measuring the KEYENCE standard target ceramic When the sampling rate is 20 us the value becomes 22 NEAR side to 40 mm NEAR side at the time of the diffuse reflection and 22 NEAR side to 39 mm NEAR side at the time of the regular reflection LK G M NO6 E 6 Specifications of the LK G Ser
63. T iD Response command A Q CR Data storage accumulation status output Stopping the data storage Incoming command p 4 A y L R dj Response command ATP CRI Outputting the data storage data Acquires the data accumulated in the data storage When the number of data is zero only the main command is returned Incoming command r A O La CR OUT number UL J4 1 OUT1 S 2 OUT2 yy SQ Response command AlO L Jh hl h h hihjhjh J CL hihi hihi hh hAy Ay LL ffh hjh h h hj h h 1 CR Measurement value format Confirms the accumulation performance of data storage and acquires the number of the accumulated data Incoming command p AWS A QU Response command S Ly AINI fs Idle Operation type 0 Not accumulating 1 Accumilating didi Ididjdidi d CR OUT1 Number of the accumulated data Number of the accumulated data OUT2 5 12 LK G M NO5 E 5 RS 232C Change Parameter Command These commands are accepted only when the controller is in the
64. ULL 3 35 3 Function Settings Outputting the Analog Output Without Holding The internal measurement value before being retained is outputted when the analog through is set to ON while the measurement value is retained in the measurement mode E Setting procedure of the analog through E N C2 I Hold down the key and select out with the A OUTI OH OGO OLO OTM key OUT 1 is set in this example Press the key and select the function with the gt key Set the analog through Press the ent key and select with the A key The analog output is output by through Press the key to register the setting Press the key to return to the measurement state ebfL c IL r I OUT2 DH OGO OLO OTIM OUT1 OHI OGO OLO OTM F LIT I OUT2 OH OGO OLO OTM im LI AEE Vt LI OUTI OH OGO OLO OTM a I I OUT2 OHI OGO OLO OTM on LK G M NO3 E 3 Function Settings Setting the Common Function This section describes the functions common to each program No List of Functions and Function Nos Function Function Function No Reference Function display 0 1 2 9 4 5 page R Sampling rate 20 us 50 us 100 us 200 us 500 us 1000 us 3 39 CYEL ed 56 ina e oo HHHH b Mutual interference OFF ON 3 40 prevention ALEEr aFF on E Timing synchronization Asynchronous Synch
65. UTI OH OGO OLO OTM s OL ES nrc uan OUT2 OH OGO OLO OTIM OUTI OH OGO OLO OTM ALC ur maL dcr OUT GH O60 Dio omm m p rmnrr OUTI OH OGO OLO OTIM D I Li OUT2 OH OGO OLO OTIM Li 2 rid c LK G M NO3 E 3 Function Settings Setting the Strobe Output Time The period of time for the strobe output to turn ON one shot output time can be set The pulse width can be selected from the following four types Function No Function Strobe output time E G 2ms E 15 5 ms E e ili 10 ms E 320 20 ms Refer to Timing Chart 4 12 page for the timing chart Refer to Binary output 4 15 page for details of binary output E Setting procedure of the pulse width of the strobe signal 1 Hold down the sT key and select oPE on with the A key su cw sa nio cw Set the common settings ln HL inn OUT2 OHI OGO OLO OTM Press the key and select the function E with the OUT OM Oco OLO OTM gt k IL AE ey ILIL UL OUT2 OH OGO OLO OTM N The pulse width of the strobe signal is set L Ine 3 Press the evt key and select E 2 with the A key Oat CM Deo D Cm Set the pulse width to 10 ms L c OUT ON Geo Cio GTM wm 4 Press the key to register the setting Press the m key to return to the measurement state If the Measurement Mode is set to normal the strobe signal
66. al device to be connected as shown in the following table Refer to Setting the Communication Specifications of the RS 232C page 3 49 For details on usage refer to the page given in the table External device Auto transmission Reference page Non procedural communication OFF Outputting Measurement Values and with a PC and a PLC link unit the Changing Settings through Commands communication command is page 5 4 required Communication with a PC or a ON Outputting Measurement Values in PLC link unit the measurement External Synchronization value is outputted by being page 5 22 synchronized with the external timing Outputting Measurement Values and Changing Settings through Commands is also valid when Auto transmission is ON LK G M NO5 E 5 3 5 RS 232C Outputting Measurement Values and Changing Settings through Commands You can import the measurement value or change the parameters of the LK G Series by connecting it to a PC or PLC link unit Connecting the PC or PLC Link Unit Combine the dedicated cables OP 96368 2 5 m straight cord OP 26401 D sub 9 pin or OP 96369 D sub 25 pin for connection T Refer to the instruction manual of the PC or PLC link unit at the time of connection Connection diagram PC side LK G side OP 26401 Signal name RD RXD a RD RXD SG GND a ___ SG GND SD TXD 9 SD TXD
67. al value is being held Input and output signals for measurement control Name Description Reference page TIMING input Performs an external synchronization input of the Page 4 2 measurement mode RESET input Resets the measurement value Page 4 2 Auto zero input Name Description Reference page ZERO input Sets the current measurement value to zero Page 4 2 Program No switch input Name Description Reference page P1 P2 P3 Changes the program No by external commands Page 4 5 LK G M NO4 E 4 7 4 Input Output Terminals The following table shows a list of program numbers and how they relate to the status of terminals P1 through P3 Program No P3 P2 P1 0 OFF OFF OFF 1 OFF OFF ON 2 OFF ON OFF 3 OFF ON ON 4 ON OFF OFF 5 ON OFF ON 6 ON ON OFF 7 ON ON ON Status NPN type PNP type ON Short circuit state with the State of voltage applied COM terminal OFF Open state Open state When you change the program number via an input output terminal Setting Selection in the Environment settings should be changed to Terminal Input Refer to Setting the Program Switching Method page 3 50 for details Binary output Name Description Reference page Binary output Outputs the measured value as binary data Page 4 6 Outputs two s complement in 21 bits Negative logic 1 when the NPN or PNP open collector output is ON Comparator
68. andby state the dis play shows 7 jis displayed until the TIMING input becomes OFF The TIMING input and RESET input can be controlled using the RS 232C page 5 8 There is no difference between the functions of Trigger 1 and Trigger 2 LK G M NO3 E 3 27 3 Function Settings E Peak hold bottom hold peak to peak hold average hold The values within the period of time sampling period determined by the external TIMING input are measured and the display and output are retained The sampling period differs between Trigger 1 and 2 Peak hold Measures the maximum value within the specified period of time sampling period Bottom hold Measures the minimum value within the specified period of time sampling period Peak to peak hold Measures the differential value of the maximum and minimum values within the specified period of time sampling period Average hold Measures the average value within the specified period of time sampling period Measurement value e g Measurement value in peak hold setting Comparator standby display i RESET i Trigger 1 Sampling Sampling period i Sampling a process Sampling period RE period i 1 perio i Trigger 2 Sampling a F Sampling period x I Sampling E Sampling period period 1 i period 1 i i T i i ON TIMING input OFF ON RESET input oFF 7 Comparator output Ge lt n oparator XX Oomp
69. araior gt Copa Binary output O XC Measurementvalus Xe RS 232C output Cezsurenent vue Measurement value For Trigger 1 the sampling period indicates the period of time from the moment the TIMING input turns on until the moment it turns on again When the TIMING input turns ON the measurement value in the sam pling period immediately before is outputted The RESET process is not performed when the TIMING input is turned on For Trigger2 the sampling period indicates the period of time in which the TIMING input is OFF When the TIMING input turns ON the measurement value in the sampling period immediately before is output The RESET process of the internal measurement value is performed when the timing input is turned off Inthe following cases the comparator standby status the display shows 7777 7 is displayed until the first measurement value is fixed When the power is turned on when a setting is changed when a program No is changed when RESET is inputted when Auto zero is inputted The comparator output is outputted according to the measurement value The ON state of each output indicates the state where the NPN or PNP open collector output is turned on The ON state of each input indicates the state where it is short circuited between the terminal and the COM terminal for NPN type and the voltage is applied between the terminal and the COM terminal The RS 232C output is synchronized with the timing input when Au
70. as protecting vibration Is the head setting properly set Check head settings Q page 3 3 Displayed measurement values deviate Cannot change the program No Is the measurement target slanted or displaced Place the measurement target within the measurement range Q page 1 8 Is the proper calibration value set Perform the calibration setting again O page 3 20 Does the ambient operating temperature significantly change Is the program selection properly set Keep the ambient operating temperature constant QJ page 2 Set the program selection according to the program change method O1 page 3 50 Is keylock set to ON Set the keylock to OFF QJ page 3 53 Is the setting mode or the communication mode turned on Change the program setting mode to the measurement mode Comparator output cannot be outputted properly Is the unit properly wired Check the output circuit and wiring and connect properly Is the tolerance properly set Perform the tolerance setting again Q page 2 3 Is the comparator output form properly set Set it up properly Q page 3 42 LK G M NOA E Symptom Checking content Remedy Analog output cannot be outputted properly Is the unit properly wired Check the wiring and connect properly Does the voltage exceed 10 8 V or lower 10 8V Set the analog scaling properly a
71. at 5 6 Single display sss 2 2 Single unit type controller 1 3 Specifications sess 6 2 Specifications of the controller 6 2 Specifications of the head 6 4 Spot diameter ssusss 6 10 Statistical computation 2 10 Status Table fere 6 5 Strobe output time 3 43 Switching Modes 1 21 Switching the measurement value display s es 2 2 System configuration 1 2 T Thickness measurement 3 18 Timing Chart eee eee 4 11 Timing synchronization 3 41 Tolerance comparator value setting 2 3 Translucent object Transparent object Transparent object 2 Trigger Condition Troubleshooting ssss U USB connector ssssssss 1 7 V Voltage input 4 11 W Warning labels esses 7 LK G M NOA E MEMO LK G M NOA E A 11 MEMO LK G M NOA E MEMO LK G M NOA E A 13 Revision history Date of printing March 2005 Version Official release Revision contents WARRANTIES AND DISCLAIMERS 1 KEYENCE warrants the Products to be free of defects in materials and wo
72. ating 0 to 50 C ambient tem perature Operating 35 to 85 RH No condensation ambient humidity Vibration resis 10 to 55 Hz double amplitude 1 5 mm tance 2 hours for each of XYZ axes Material Aluminum die cast Weight including cable Approx 280 g 1 The value when measuring the KEYENCE standard target ceramic in the standard mode 2 The value when measuring the KEYENCE standard target SUS 4096 times average at the reference distance 3 When the sampling rate is 20 us the value becomes 1 8 FAR side to 5 mm NEAR side at the time of the diffuse reflection and 1 6 FAR side to 4 5 mm NEAR side at the time of the regular reflection LK G M NO6 E 6 Specifications of the LK G Series E LK G15 LK G10 Model LK G15 LK G10 Reference distance 10 mm Measurement range 3 1mm Light source Red semiconductor laser Wavelength 650 nm visible light class IEC60825 1 class II CDRH Output 0 3 mW max Spot diameter at reference dis tance About 20 x 500 um G15 About 220 um G10 Linearity 1 0 03 of FS FS 1 mm Resolution power 2 0 02 um 0 01 um Sampling rate 20 50 100 200 500 1000 us Selectable among six steps LED indication Near the center of measurement range Lights in green Within the measurement range Lights in orange Outside the measurement range Flashes in orange Temperature cha
73. b Setting Panel Terminal 3 50 Selection input CHANGE PANEL EGt Program ra Initialization Pri CoPY d Panel lock OFF ON 3 53 toll oF F on E Eco mode OFF Eco half Eco all 3 54 Eto oF F HALF LL The shaded cells are set by default 3 46 LK G M NO3 E 3 Function Settings List of Default Values and Setting Ranges The function settings default at the time of shipment and the settable ranges are as follows Function Item Settable range Default value Remarks R Baud rate 9600 19200 38400 57600 115200 bps 9600 bps Parity NON EVEN ODD NON Auto transmission OFF OUT1 OUT2 OUT1 2 OFF b Setting Selection Panel operation external terminal Panel operation t Program Copy initialization d Panel lock ON OFF OFF E Eco mode None Eco half Eco all None LK G M NO3 E 3 47 3 Function Settings List of the Environment Setting Screens Environment OUTI DH OGO OLO OTM r LE ru gt RS 232C Baud rate four2 OH Oco OLO OTM OH OGO OLO OUT2 OHI A T OTM r 2d j NN FEE nil LI Parity A OUT2 OHI OGO OLO OTM nar Auto A OUT2 OHI OGO OLO OTM Ce Dri Setting Selection Panel Um EE OHI OGO OLO Fr OUT2 OHI OGO E OTM LCHAnL PARE nue EL Terminal input W OUT2 OH OGO OLO OTIM c L
74. be resold or delivered to a third party Buyer must provide such third party with a copy of this document all specifications manuals catalogs leaflets and written information provided to Buyer pertaining to the Products Samples Specifications are subject to change without notice KEYENCE KEYENCE CORPORATION 1 3 14 Higashi Nakajima Higashi Yodogawa ku Osaka 533 8555 Japan Phone 81 6 6379 2211 Fax 81 6 6379 2131 AFFILIATED COMPANIES KEYENCE CORPORATION OF AMERICA Phone 201 930 0100 Fax 201 930 0099 KEYENCE DEUTSCHLAND GmbH Phone 06102 36 89 0 Fax 06102 36 89 10 KEYENCE UK LIMITED Phone 01908 696900 Fax 01908 696777 KEYENCE FRANCE S A Phone 01 56 37 78 00 Fax 01 56 37 78 01 KEYENCE ITALIA S p A Phone 02 6688220 Fax 02 66825099 KEYENCE SINGAPORE PTE LTD Phone 6392 1011 Fax 6392 5055 KEYENCE MALAYSIA SDN BHD Phone 03 2092 2211 Fax 03 2092 2131 KEYENCE THAILAND CO LTD Phone 02 369 2777 Fax 02 369 2775 KEYENCE TAIWAN CO LTD Phone 02 2718 8700 Fax 02 2718 8711 KEYENCE HONG KONG CO LTD Phone 3104 1010 Fax 3104 1080 KEYENCE INTERNATIONAL TRADING SHANGHAI CO LTD Phone 021 68757500 Fax 021 68757550 KOREA KEYENCE CO LTD Phone 02 563 1270 Fax 02 563 1271 KEYENCE CORPORATION E LK G IM 0035 1 96M1327 Printed in Japan
75. c sip ror mor Te t y d Me pr Ile oe Filter SIRLE Eea sSRLULCOCLAJA Trigger mode SR OE MIL ades SR OEM Offset SJ RII o F JL Jer SREO ER Analog output S R O H eer SIRI OHI e scaling E E E E pt lf HOHH Measurement mode S R 0 eR S RIL fole fa minimum display unit analog through Commn Data storage S R l C CR sRIL Tc 1G Te Ts Te Te Ta Ta Ye JC ec settings Sampling rate SIRI cee S WIL_ ICEL etc mutual interference prevention timing synchronization comparator output form strobe time The shaded L1 cells indicate the setting values or measurement values Symbol a OUT number c Function No d Number of data e Function code ffffffff Setting value h Head No nnn Numerical value without code m Mode i Data interval o Data setting xx Control range y OUT and head numbers If the LK G Series receives the response command for the change parameter command as an incoming command the parameter will be sent back The setting value format is returned with a decimal point 5 20 LK G M NO5 E 5 RS 232C Timing Chart The timing chart of the incoming response command is shown below i Incoming command Reception Response command The t time is identified as follows t 1 1 E 1 1 lt Response ms Sampling rate T Command 20 us Other than 20 us Measurement M 8 2 5 control gt PW When connecting one
76. ccording to the measurement value OQI page 3 43 Is an oscilloscope or a high speed A D board used The resolution may decrease if these devices are used Change the analog scaling so that the effect should be minimized Binary output cannot be outputted properly Is the unit properly wired Is the logic properly set Check the output circuit and wiring and connect properly Negative logic is used in output Is the import timing properly set Use strobe output to enable importing in a proper timing Q page 4 14 Is the OUT1 OUT2 SEL input inputted properly Input it correctly Q page 4 6 Cannot communicate via the RS 232C Is the communication cable properly connected Connect the communication cable properly L page 5 2 Does the type of the communication cable conform to the specifications Check the connection of the communication cable LL page 5 2 Are the communication specifications properly set Set the communication specifications of the LK G Series as those of the external devices T page 5 2 Is the appropriate communication program used Check whether the command and the delimiter is properly sent or received page 5 5 Q1 Is the setting properly set according to the communication method or external devices Set the auto transmission properly T page 3 49 The operation key does not work Is the display panel p
77. d Head A _ Transparent TransparentB 3 18 method A B B object A displacement displacement thickness thickness CALC R b Rdd Rb 5Ub Rb Erfin R ErRin b b Scaling Head A Head B 3 20 SCRL A n o b anP t Filter Average Low pass High 3 22 filter pass filter F LEEr Rub LPF HPF d Measurem Normal Peak hold Bottom P to P Sample Average 3 25 ent mode hold hold and hold hold HaL d narnHL P H b H PP H SP H AuG H E Trigger Trigger 1 Trigger 2 3 31 trib ta tind F Offset 3 32 oF FSEt Minimum Displaye Displaye Displaye Displaye Displaye Displaye 3 33 display unit d in mm dinmm dinmm dinmm dinum dinum ta dECPE oot God i good ooacg i Di adi H Analog output 3 34 scaling R 5CRL Analog OFF ON 3 36 through R EHr Uu oFF on The shaded cells are set by default LK G M NO3 E 3 13 3 Function Settings Functions A and t specify the following sub functions Sub function Function Function No Function 0 1 2 3 4 5 display A 4 Head A Surface 1 Surface 2 Surface 3 Surface 4 Surface 1 Surface 1 transparent Surface 2 Surface 3 object trAn FA i e 3 4 i 2 i 3 R 5 Head B Surface 1 Surface 2 Surface 3 Surface 4 Surface 1 Surface 1 transparen Surface 2 Surface 3 tobject trAn
78. d external devices to be connected Auto transmission OUT1 OUT2 OUT1 OUT2 Select one of them according to the output method The measurement value that is fixed in the external synchronization TIMING1 and 2 input is outputted The output content becomes as follows depending on the setting of auto transmission Auto transmission Output contents OFF Does not output the measurement values in external synchronization OUT1 Outputs only OUT1 OUT2 Outputs only OUT2 OUT1 OUT2 Outputs OUT1 and OUT2 at the same time 5 22 LK G M NO5 E 5 RS 232C Timing Chart E When the measurement mode is other than sample hold trigger 2 ON TIMING input OFF RS 232C data output HO 1 1 When the measurement mode is set to normal the measurement value of when the timing input turns on is outputted When the measurement mode is peak hold bottom hold peak to peak hold average hold or sample hold trigger 1 the measurement value that is fixed by turning on the 5 timing input is outputted E When the measurement hold is sample hold trigger 2 ON TIMING input OFF Measurement value RS 232C data output Sampling period t ms e After the timing input turns on the measurement value fixed after the sampling period t ms is outputted The t time is identified as follows Sampling rate 20 us t T2 4 ms Other than 20 us t T2 3 ms
79. d with the timing input when Auto transmission in the Environment settings is set to other than OFF If the TIMING input is turned on during the RESET process the system stops the RESET process and starts sampling When the internal measurement value becomes the alarm state measurement overrange or inadequate light intensity the measurement result varies depending on the settings of the alarm process With hold The measurement result is outputted by using the value immediately before the retained value Without hold The alarm FFFFFF becomes the measurement result f you turn on the RESET input or the ZERO input during the sampling period the sampling stops and the comparator standby state is established The TIMING input and RESET input can be controlled via RS 232C page 5 8 The Strobe output time can be changed Refer to Setting the Strobe Output Time 3 43 page for details When the mode is set without the alarm hold and a large value is set for the average number of times the measurement result may not trigger an alarm Check the alarm output to ensure that the alarm state is properly recognized Setthe filter to Average Count can be set as desired Refer to Stabilizing the Measurement by Filtering 3 22 page for setting the filter 3 30 LK G M NO3 E 3 Function Settings Setting the Trigger Condition Trigger 1 and trigger 2 differ in terms of the sampling period during which the measur
80. data o Program No S Accumulation status 5 8 LK G M NO5 E 5 RS 232C Command details This section describes the details of the incoming commands and the responses that are sent when the incoming commands are properly processed Refer to Outline of the command format page 5 5 for the response command when an abnormality has occurred Refer to Timing Chart page 5 21 for the response delay time of the response command E Measurement value output Outputs a measurement value Incoming command M a CR T 0 OUT14OUT2 1 OUT1 2 OUT2 L Response command M al IhIh hjh hih hih I Liihihlhilhlh ihi hih CR OUT number Measurement value format Measurement value format The same OUT number as that of the incoming command E Timing ON OFF OUT number 0 OUT1 OUT2 Incoming command 1 OUT1 E 2 0UT2 J T _lalkr ON OFF number gt 0 OFF j L 1 ON Response command T p CRI a EZ The same ON OFF setting as that of the incoming command LK G M NO5 E 5 9 5 RS 232C E Auto zero ON OFF Sets cancels the Auto zero function Auto zero ON is valid even w
81. detected value and the return value of the tolerance comparator thus avoiding this phenomenon When the comparator output format is normal the comparator output is as follows Hysteresis is not set by default when shipped from the factory u Refer to Setting the Output Form of the Tolerance Comparator page 3 42 for the comparator output form Dispaly value Detection Return Hysteresis HI comparator value LO comparator value i Re HI ouptput ORE a a a GO ouptput Qc TFL LO ouptput a 1 Measurement stops while the setting is in progress E Setting procedures of hysteresis 1 Press the key oun DW De Cio mw Enters the tolerance setting mode oO ub K OUT2 OHI OGO OLO OTM L In IL 2 Pressing the A key shows the Hysteresis setting OUT GM Dao uio OTM Screen HUD E OUT2 OHI OGO OLO OTIM HY5 sets OUT1 and HY5 2 sets OUT2 Lan iE 3 Press the 5v key and set the value with the gt and A keys our c n60 pio cow In this example the hysteresis of OUT1 is set to 0 1000 UL IBI OUT2 OH OGO OLO OTIM H9S 4 Confirm the data by pressing the key and press the key to return to the measurement state LK G M NO2 E 2 5 2 Operations and Functions during Measurement Setting the Display Value Instantaneously to Zero Auto Zero This section describes the auto zero function which is used for referencing zero point
82. displayed or outputted as required nar nRL Peak hold The maximum value during the specified period can be measured ooa X ae Max value hl Sampling period xr d e Bottom hold The minimum value Min value page 3 28 b H during the specified period can be measured Sampling period K d 3 Peak to The differential value PP H peak hold of the maximum and minimum values during the specified period can be measured page 3 28 Max value Sampling period I d 4 Average The average value SP H hold during the specified period can be measured Average value Sampling period page 3 28 is d 5 Sample and The value at Rub amp H hold the specified moment can be measured page 3 29 gt Sample and hold value TIMING input For the sampling period Trigger 1 and Trigger 2 are available depending on the trigger setting Refer to Setting the Trigger Condition page 3 31 for setting the trigger LK G M NO3 E 3 25 3 Function Settings E Setting procedure of the measurement mode The setting procedure is described below for the case where peak hold is set to OUT1 as an example 1 Kl 2 3 26 Hold down the key and select out with the A OUTI OHI OGO OLO OTM key Press the key and select the function d with the gt key Select Hold Press the et key and select d with the A
83. e Dimensions 6 16 Characteristics usssse 6 21 Spot Dimension 6 21 Mutual Interference 6 22 13 Appendices Troubleshooting essse A 2 Error Messages esesesess A 5 List of Optional Products A 6 Index eR A 8 14 LK G M NOO E Before Use This chapter describes the configuration of the LK G Series cautions and required preparation before use Be sure to read this section thor oughly before using the LK G Series System Configuration eese 1 2 Checking the Package Contents 0 cece eee terete 1 3 Identifying Part Names and Functions 1 6 Installing and Connecting the Heads and Option 1 9 Outline of Measurement and Settings 1 21 Returning the LK Series to the Factory Default Settings 1 23 LK G M NO1 E 1 1 1 Before Use System Configuration The LK G Series can be used for various purposes in combination with commercially available devices LK G Series Indicator light Buzzer Issues an alarm depending on the comparator result output LK Navigator Setup support software LK HIW 2 USB RS 232C Controller 1 LK G3000V LK G3000VP Photoelectric Proximity sensor Transmits a signal to the TIMING input when th
84. e correction using the calibration function Handling Do not wipe with a wet cloth benzene or thinner Doing so may change the color or shape of the unit If the unit has much dirt on it wipe it off with a cloth moistened with a mild detergent then wipe with a soft dry cloth Effect of atmospheric motions Slow atmospheric motions may affect the measurement and result in fluctuation of the measured value In such a case take the following countermeasures Enclose the measurement portion with an appropriate enclosure Agitate the air between the measurement portion and the workpiece more strongly with a fan Precautions on CE Marking The LK G Series conforms to the EMC Directive subject to the conditions that the following requirements are satisfied In order to use this equipment in the EU countries be sure that the following requirements have already been satisfied beforehand The applicable standards are explained below EMI EN61326 class A EMS EN61326 Length of the power cord that is connected to the Controller and length of all input output cords must be limited to shorter than 30 m LK G M NOO E 3 Safety Precautions on Laser Products The models of the LK G Series are classified in terms of laser class as follows LK G35 LK G30 LK G37 LK G32 Model LK G155 LK G150 LK G157 LK G152 UCGTS LK G10 Wavelength 650 nm FDA CDRH Maximum output 4 8 mW 0 95 mW 0 3 mW Part 1040 10 Clas
85. e setting mode Sets Hi and Lo limits Setting mode Used for setup of various functions and settings Measurement mode Performs measurement Setting mode OUTI OHI OGO OLO OTM ALIE LI 1 DI HET FG OUT2 LH OGO OLO OTM Press the SET key for one second 4 KEYENCE LK GD500 E Sets the functions such as the head and the measurement process Chapter 3 Function Settings i BUR page 3 1 Press the PROGRAM key SSS Press the SET key Program switch mode Tolerance setting mode OUT1 DH OGO OLO OTM OUT1 OHI OGO OLO OTM D r rn Salba d ILL LL LILI IR OUT2 OH OGO OLO OTM OUT2 OHI OGO OLO OTIM DATI I ZL HILL Lot IL The parameters can easily be changed if The upper limit lower limit or necessary when calling up the program hysteresis can be set in the Chapter 2 Operations and Functions during Tolerance setting mode Measurement Program Function page 2 8 LK G M NO1 E 1 21 1 Before Use Setting Mode In the Setting mode every time the A key is pressed the setting content advances in this order Head Setting OUT Settings Common Settings Environment Settings PROG 0 to 7 Head Settings OUT OH OGO OLO OTM OUTI OHI OGO OLO OTM HEA SER HERd b OUT2 OHI OGO OLO OTM OUT2 OHI OGO OLO OTM OUT Settings OUTI OHI OG
86. e target is detected amp Head two heads max LK G35 LK G30 LK G15 LK G10 LK G155 LK G150 Enables control and acquisition of the measurement value from the RS 232C or the parallel I O board Programmable controller Enables timing control of the measurement and the switching of program No as well as the control output and the measurement value acquisition Recorder Records the measurement result 1 The controller LK G3001V LK G3001 VP can be separated into the display panel and the controller main unit You can also purchase them separately 2 For the details of the setup support software LK H1W LK Navigator refer to LK Navigator User s Manual The PDF file stored in the CD ROM 1 2 LK G M NO1 E 1 Before Use Checking the Package Contents The LK G Series consists of the following models Check if the parts and equipment listed below are included in the package of the model you purchased before using the unit 1 LK G3001V LK G3001 VP Single Unit Type Controller Controller User s Manual Screwdriver Packed separately LK G3001V this manual 1 1 LK H1W CD ROM LK G3001 VP 1 Setup support software LK Navigator Setup support software User s Manual PDF file USB cable 3m LK G3001 LK G3001P Separate Type Controller Controller User s Manual Screwdriver Packed separately LK G3001 this manual 1 LK H1W CD ROM LK G3001P 1 Setup support
87. e terminal is short circuited with COM and emission is stopped when the terminal is open The terminal is common to head A and B and takes priority over the LASER OFF input LK G M NO4 E 4 9 4 Input Output Terminals Electrical specifications for NPN type This section describes the electrical specifications and circuit diagram of the input output terminals E Non voltage input 45V 5V Input COM for input 2 E m eg E Q E NPN open collector output 5V 5 z 2 z 2 Q 3 E E O Output O COM for 4 10 output ON voltage 1 Vor less OFF current 0 6 mA or less Short circuit current 2 mA Typ O Input Kj O COM Maximum applied 40 V voltage Maximum sink current 50 mA Residual voltage 0 5 Vor less Leakage current 0 1 mA or less LK G M NO4 E 4 Input Output Terminals Electrical specifications for PNP type This section describes the electrical specifications and circuit diagram of the input output terminals BW Voltage input 45V Max input voltage rating 26 4V 4 7kQ ON voltage 10 2V or more input z OFF current 0 6 mA or less E Short circuit current Typ 2 mA com J 2 for input peor Input Be Input or L o com T com E PNP open collector output E 5 45V Maximum applied 40V COM for voltage output 3 Maximu
88. ect d with the A key ON Lock is set in this example GO Press the key to register the setting Press the key to return to the measurement state A E Canceling the panel lock 1 Press the sT key for two seconds or more The setting screen of the panel lock is displayed Press the A key and select d O Release the lock N OUT1 DH OGO OLO s 2 Ln OUT2 OHI OGO OLO OUTI OHI OGO OLO OTM nLr ar MOLOC OUT2 OH OGO OLO OTM ILI LLILL OUTI DH OGO OLO OTM Li I OUT2 OHI OGO OLO Lt OUTI OHI OGO OLO eumd Li I OUT2 OHI OGO OLO on OUTI OHI OGO OLO M0 D oL Press the amp v key to register the setting Press the ser oO key to return to the measurement state LK G M NO3 E OUT2 OH OGO OLO oFF 3 53 3 Function Settings Reducing the Power Consumption Eco Mode The power consumption can be reduced by turning off the display on the controller The Eco mode is activated in 10 seconds after the last key operation during the measurement mode The normal mode returns when any key is pressed The Eco mode has the following types Function No Function Judgment output LED Measured value Head status Timing LED display LED display LED E B aFF Eco off On On On E HALF Eco half On Off On E 2 ALL Eco all Off Off Off The LASER
89. elect A with the A key Select imanual Press the key and set the value for the higher limit with the amp and A keys 60 is set in this example Press the key and set the value for the lower limit with the gt and A keys 20 is set in this example Press the key to register the setting Press the key to return to the measurement state OUTI OHI OGO OLO OTM J IL we HERg Ri OUT2 OHI OGO OLO OTM OUT1 OHI OGO OLO OTM Abide OUT2 OHI OGO OLO OTM OL HbLe OUT1 OHI OGO OLO OTM Ed OUT2 OH OGO OLO OTIM m li nHnLHL OUTI OHI OGO OLO OTM cn bu OUT2 DH OGO OLO OTM Hi OUTI OH OGO OLO OTM anm mj OUT2 OHI OGO OLO OTM l LU LK G M NO3 E 3 Function Settings Setting the Measurement Mode According to the Measuring Target Specifying the features of the measuring target stabilizes the detection Select the corresponding type from the following list Function No Target workpiece Description b U nar AA Normal Select this setting in normal cases b HRLF E Translucent object Used for a target that absorbs light such as a translucent resin b ErAn Transparent object Used for displacement measurement or thickness measurement of a transparent object Used when the reflective ratio of multiple surfaces on a transparent object is the same b 3tr
90. elow for the case where the low pass filter is set to OUT1 as an example 1 Hold down the str key and select out with the A key Gm cm cm cus mr IIL K OLE K OUT2 OHI OGO OLO OTM 2 Press the key and select the function C with the OUT DH Oco pto OTM n ILC gt key HbCdEF OUT CM Oco Hio Omm r il r r LE Lr 3 Press the ent key and select C i with the A key OUTi Cm eo Dio CT LPF low pass filter is selected in this example L H Select Z 2 to select LPF high pass filter ouT2 B EX om IC LEP 4 Press the key and select C L3 with the A key am cm cm pr OH neo ig OUT Cutoff frequency is set as 30 Hz in this example f Lj OUT2 OH OGO OL OTM ri 3B 5 Press the key to register the setting Press the key to return to the measurement state When the sampling rate T page 3 39 is 1000 us and 500 us and the cutoff frequency is set to 1000 Hz and 300 Hz the operating frequency becomes 100 Hz When the sam pling rate is 200 us and the cutoff frequency is set as 1000Hz the operating frequency becomes 300 Hz 3 24 LK G M NO3 E 3 Function Settings Using the Hold Function Measurement Mode This section describes the six types of measurement modes The function of each measurement mode is as follows Function No Mode name Description Reference page page 3 27 page 3 28 d Normal The measured result can be
91. ement value is retained in the measurement mode Refer to Using the Hold Function Measurement Mode page 3 25 for the details of the timing difference Function No Trigger Function Normal Peak hold bottom Sample and hold hold peak to peak hold average hold E 0 TIM1 Trigger 1 Holds the internal The sampling period is Holds the internal measurement value from the rising edge of measurement value when the timing signal the timing signal until when the timing signal rises while the signal is the next rising edge rises E 1 TIM2 Trigger 2 ON The sampling period is When the timing signal from the falling edge of the timing signal until the next rising edge rises the data worth the preset average number of times is sampled from that time and the settled internal measurement value is held d Hold down the s key and select att i with the a key N gt key Select Hold oO Press the amp NT Trigger 2 is selected in this example A OUT1 CHI olo OTM Press the key and select the function E with the key and select E with the A key Press the key to register the setting Press the key to return to the measurement state LK G M NO3 E Dao i Hot K m R OUT2 OHI oco OLO OTM OUT1 CHI olo OTM oGo ILI ue ILIL LIL OUT2 DH OGO OLO F Er OTM OUTI OHI OGO OLO OTM r f LI OUT2 CH
92. ement range Flashes in orange Temperature characteristics 0 01 of ES C ES 40 mm Environmental Enclosure rat IP67 IEC60529 resistance ing Operating Incandescent lamp or fluorescent lamp 5000 lux max ambient light Operating 0 to 50 C ambient tem perature Operating 35 to 85 RH No condensation ambient humidity Vibration resis 10 to 55 Hz double amplitude 1 5 mm tance 2 hours for each of XYZ axes Material Aluminum die cast Weight including cable Approx 290 g 1 The value when measuring the KEYENCE standard target ceramic in the standard mode 2 The value when measuring the KEYENCE standard target SUS 4096 times average at the reference distance 3 The value when measuring the KEYENCE standard target ceramic When the sampling rate is 20 us the value becomes 22 NEAR side to 40 mm NEAR side at the time of the diffuse reflection and 22 NEAR side to 39 mm NEAR side at the time of the regular reflection LK G M NO6 E 6 Specifications of the LK G Series Specifications of the Head to Controller Cable Model LK GC2 LK GC5 LK GC10 LK GC30 Cable length 2m 5m 10m 30m Weight Approx 200 g Approx 400g Approx 750g Approx 2000 g Status Table Display Panel Output Input RS USB Measure Com Arabogvolage ALARM Com Binary TIMING ZERO 232 men
93. ent value Comparator standby display TIMING input ON RESET input QN ON Comparator output ofr Comparator Binary output LLL AK Measurement value f Measurement Measurement Measurement RS 232C output e Mei ru The internal measurement value when the TIMING input becomes ON is retained and outputted In the following cases the comparator standby status is indicated is displayed until the first measured value is fixed When the power is turned on when the setting is changed when the program No is changed when RESET is inputted when auto zero is inputted The comparator output is outputted according to the measurement value The ON state of each output indicates the state where the NPN or PNP open collector output is turned on The ON state of each input indicates the state where it is short circuited between the terminal and the COM terminal for NPN type and the voltage is applied between the terminal and the COM terminal The RS 232C output is synchronized with the timing input when Auto transmission in the Environment setting is set other than OFF page 3 49 Reference p The TIMING input and RESET input can be controlled using the RS 232C page 5 8 When the mode is set without the alarm hold and a large value is set for the average number of times the measurement result may not trigger an alarm Check the alarm output to ensure that the alarm state is
94. ent value is Measurement value displayed in red GO LO comparator value lt GO LED lights and the measurement value is Measurement value lt HI displayed in green comparator value LOW Measurement value LO LO LED lights and the measurement value is comparator value displayed in red Comparator No LED lights and the measurement value is standby state displayed as When the comparator output format is normal the comparator output is as follows Lr Refer to Setting the Output Form of the Tolerance Comparator page 3 42 for the comparator output form Display value HI comparatator value LO comparator value HI output OFF GO output LE LOoutput ON Reference The comparator result of tolerance is outputted from the 12 pin I O terminal block and the expansion connector on the controller s terminal panel Refer to Functions of the Input Output Terminals page 4 2 for the external terminals LK G M NO2 E 2 3 2 Operations and Functions during Measurement Measurement stops while the setting is in progress E Setting Procedures for tolerance comparator values 1 4 Press the set key Enters the tolerance setting mode For changing the OUT No to be set press the A key Press the Evt key and set the value with the and A keys As an example the tolerance on the HI side of OUT1 is set to 4 0000 Press the evt key and set the value with the and A
95. es Common Settings 3 37 List of Default Values and Setting Ranges Environment Settings 3 47 List of Default Values and Setting Ranges Head Settings 3 8 List of Default Values and Setting Ranges OUT Settings 3 15 List of Functions and Function Nos Head settings esenee 3 3 List of Functions and Function Nos Environment settings 3 46 LK G M NOA E Be MERERI 2 3 M Measurement average time 4 16 Measurement Control Command Format nsns erri Measurement mode setting Measurement value format Minimum display unit Minimum input time Mirror reflection Mode change command Mounting mode setting Multi reflective object Mutual Interference Mutual interference prevention TUR Com sione tnter 3 40 N ND filter attachment 1 12 ND filter attachment holes 1 8 No voltage input se 4 10 Normal mode sessess 5 3 Number of digit to be displayed 3 33 O Olfsets ETT OST 3 32 Open collector output 4 10 4 11 Operating ambient temperature 2 Operation keys sessesssss 1 6 OUT Settings 1 22 A 9
96. ess the En key and set the data to accumulate with the A key OUT 1 is set in this example 4 Press the vr key and set the number of data to accumu late with the B and A keys The number of data is set as 1000 in this example 5 Press the Ent key and set the accumulation rate with the a key 50 times is set in this example 6 Press the Ent key to register the setting Press the set key to return to the measurement state LK G M NO3 E tgPE ian OUT2 OHI OGO OLO OTM OUT1 DH OGO OLO OTM n r icr HoL oer OUT2 OHI OGO OLO OTM Cl BgB sr OUT OHI OGO OLO QTM Z l OO I OUT2 OHI OGO OLO OTM lL t LILIL I OUTI OHI OGO OLO OTM OUT2 OHI OGO OLO OTM OUT OHI OGO OLO OTM rF rrc rra OUT2 CH OGO OLO OTM Lr Jui 3 45 3 Function Settings Setting the Operations of the Equipment Environment Settings This section describes the operation settings of the equipment List of Functions and Function Nos The following five types of setting are available for the Environment settings The function and setting value of each type is shown below Function Function Function No Reference Function display R RS 232C 0 Baud rate page r5e3e 9600 9200 38400 571680 115288 Parity EuEn odd non Auto transmission out
97. example H H c OUT2 OHI OGO OLO OTM J36400 Set the parity and auto transmission in the same A manner Press the 1 key to register the setting Press the key to return to the mea surement state O1 LK G M NO3 E 3 49 3 Function Settings Setting the Program Switching Method Whether the program No is switched from the display panel or from the external terminal input is set Function No Setting Selection Function b B PRaEL Panel Panel operation RS 232C b Eat Terminal input External terminal input E Setting procedure of the program switching method d Press the ser key and select Enu with the A key OUT CM Geo i0 DT Set the environment settings Lr nu OUT2 OH OGO OLO OTM 2 Press the key and select the function b with the OUT DH Oco OLO OTM n Lr gt key nac Oe Set the program switching method ura cM Heo mio OM pieg P IHE FE LAANGT 3 Press the ent key and select b amp with the A key JUR SEDES RUE The operation from the panel is set in this example b u OUT2 OH OGO OLO OTM non ri Press the key to register the setting Press the PHnEL key to return to the measurement state I To switch the program No by using the command from the RS 232C set this setting to Panel operation 3 50 LK G M NO3 E 3 Function Settings Copying Initializing the Program Copying and initializing o
98. f the LK G series can be set Setting contents RS 232C Setting selection Program Panel lock Eco mode LL Refer to Setting the Operations of the Equpement Enviroment Settings page 3 46 1 22 LK G M NO1 E 1 Before Use Returning the LK Series to the Factory Default Settings You can initialize the controller and return the settings to the default settings when shipped from 1 the factory 1 While pressing the 5 key turn on the power The measurement value indication shows in it 2 When you press the key again the settings are initialized and the measure ment state is established The settings return to the default setting when shipped from the factory T Refer to Chpater 3 Function Settings page 3 1 LK G M NO1 E 1 23 1 Before Use MEMO 1 24 LK G M NO1 E Operations and Functions during Measurement This chapter describes the operations that can be performed during dis placement measurement and their functions Switching the Measurement Value Displays 2 2 Setting the Tolerance Comparator Values 2 3 Setting the Display Value Instantaneously to Zero Auto Zero cence is lec itr tet eta rir eerte 2 6 Program F rnctlOl uieicee trecenta ert itae bea AER en 2 8 Switching Program Nos eeenen 2 9 Performing Statistical Computation with the Measurement ValUC ccccceeeeesscceeeeeeeceecesssss
99. f the program are performed Function No Process Function C G CoPY Copy Performs copying by specifying the source program No and destination program No C i Er ASE Initialization Initializes the program of the specified program No E Copying procedure of the program 1 Press the sT key and select Enu with the A key Set the environment settings Press the amp v key and select the function C with the gt key Perform copying initialization of the program N Press the et key and select C C with the A key Copying process of the program starts C2 I with the a key Program No 1 is specified as the source in this example LK G M NO3 E OUTI DH OGO OLO OTM T 7 zE M OUT2 OHI OGO OLO OTM OUTI CH OGO OLO OTM DLT MALAC OUT2 OHI OGO OLO OTM Dr Ir L OUTI DH OGO OLO OTM ron LH OUT2 OHI OGO OLO OTM Tr LDLI LO Press the key and specify the original program No OUTI OHI OGO OLO OTM I OUT2 OH OGO OLO OTM E sasa rran 3 51 3 Function Settings 5 Press the key and specify the program No of the copy destination with the A key Program No 2 is specified as the destination in this example 6 Press the key to check the program Nos of the copy source and destination OUTI OH OGO OLO OTM OUT2 OHI OGO OLO OTM co OUT1 CHI o
100. fication AWG 28 to 16 length of pigtail cable end fabrication 6 5 mm Pin No Signal name Description 12 COM IN COM for input 11 REMOTE Laser remote interlock input Non voltage input 10 ZERO OUTI ZERO input en M Hby 9 RESET1 OUT1 RESET input 8 TIMING1 OUT1 TIMING input 7 COM OUT COM for output 6 ALARM 1 OUT1 alarm N C output NPN open collector output 5 OUT1 L OUT1 comparator LO output BE a eos output 4 OUT G OUT1 comparator GO output PNP type 3 OUT1 H OUT1 comparator HI output 2 24 V DC 24 V DC input for power 1 24 V DC 0 V input for power 4 2 LK G M NO4 E 4 Input Output Terminals gt Note NPN type 24 V DC COM OUT and COM IN are all common via a choke coil Also they are com mon to 0 V of the 6 pin I O terminal and COM of the expansion connector via a choke coil Be careful not to generate a potential difference PNP type 24 V DC 23 COM OUT and COM IN are all common via a choke coil Also they are com mon to 0 V of the 6 pin I O terminal and COM IN of the expansion connector via a choke coil Be careful not to generate a potential difference loererence 7 e Refer to page 4 10 for the electrical specifications e Refer to Q page 4 12 for the timing chart LK G M NO4 E 4 3 4 Input Out
101. g the target the adjustment range of ABLE can be optimized By optimiz ing the adjustment range the responsiveness when the reflectivity drastically changes in rapid cycle can be enhanced 3 10 LK G M NO3 E 3 Function Settings E Setting procedure of the ABLE calibration 1 Hold down the sET key and select HEAd A with the A key our cm ceo cio cow Head A is set in this example HE Hd H OUT2 OHI OGO OLO OTM 2 Press the EN key and select the function d with the key oui cw neo po om Set the ABLE calibration process Ah L dt OUTIL DM Oco Cio CT LI 2L ABLE E 3 Press the ET key to display StArt Press the key OUT CH Hao Hio OTM again to start measurement dr L H r L St oP indicates that the target is being measured our CM oco Dio om DLI HELE HE 4 Press the amp v key to register the measurement result OUT GM Oco GLO OTM Press the st key to return to the measurement state 5 to B OUT EM EGO OLO Omm DLI CLL MIL E L LK G M NO3 E 3 11 3 Function Settings Setting the Mounting Mode The LK G Series measures the displacement of the target by measuring the reflected laser beam When much of the surface of the target is specular such as a mirror or glass the mirror reflection component of the reflective light increases In such a case set the mirror reflection setup to receive the mirror reflection light
102. have condensation Install the unit in the proper operating environment Q page 2 The laser is not emitted Is the head to controller cable properly connected Is the power cable properly connected Connect the head to controller cable and the power cable properly Q page 1 16 Are the laser remote interlock input and the LASER OFF input inputted properly Check wiring connections M page 5 LK G M NOA E Symptom Checking content Remedy Displayed measurement values fluctuate Is the number of times for averaging properly set Does the cover glass have dust or dirt on it Set the number of times for averaging properly QJ page 3 22 Remove the dust and dirt LL page 1 7 Does the cover glass have flaw or crack Replacement of the cover glass is required Because this replacement requires KEYENCE repair service contact your nearest Sales Office Does the ambient operation conditions have splash of water or oil Remove the splash by air purging or the like Is there another LK G sensor head nearby creating mutual interference Use the mutual interference prevention function or the LASER OFF function O page 3 40 Change the mounting position of the sensor head Is there strong extraneous light Shield the extraneous light Does the measurement target or the sensor head vibrate Take appropriate countermeasures such
103. he time of the diffuse reflection and 1 6 FAR side to 4 5 mm NEAR side at the time of the regular reflection E LK G37 LK G32 Model LK G37 LK G32 Setting mode LK G M NO6 E Diffuse reflection Regular reflection 6 Specifications of the LK G Series Model LK G37 LK G32 Reference distance 30 mm 23 5 mm Measurement range 3 5 mm 4 5 mm Light source Red semiconductor laser Wavelength 650 nm visible light class 2 IEC60825 1 class II CDRH Output Spot diameter at reference dis tance 0 95 mW max About 30 x 850 um G37 About 230 um G32 Linearity 1 0 05 of ES ES 5 mm Resolution power 2 Sampling rate 0 05 um 20 50 100 200 500 1000 us Selectable among six steps LED indication Near the center of measurement range Lights in green Within the measurement range Lights in orange Outside the measurement range Flashes in orange Temperature characteristics 0 01 of FS C FS 5 mm Environmental Enclosure rat IP67 IEC60529 resistance ing Operating Incandescent lamp or fluorescent lamp 10000 lux max ambient light Operating 0 to 50 C ambient tem perature Operating 35 to 85 RH No condensation ambient humidity Vibration resis 10 to 55 Hz double amplitude 1 5 mm tance 2 hours for each of XYZ axes Material Aluminum die cast Weight including cable Approx 280 g
104. head 60 Tx 10 50 When connecting two heads 50 T x 10 60 DO 20 5 Other than above 10 3 Setting check SW HD 60 Other than above Mode change Qo RO 70 The response speed slows during the communication with the Setup support software LK Navigator LK G M NO5 E 5 21 5 RS 232C Outputting Measurement Values in Exter nal Synchronization This section describes how to synchronize the measurement value with the mea surement performed by the commands from the input terminal TIMING input and output it from the RS 232C interface This method does not use any incoming command so it is used when the measure ment value is only imported or when the unit is connected to a device such as a data logger that cannot send a command Reference gt Commands for measurement value output and for setting change are available even when the measurement value output is in use in external synchronization when the external trig ger input is other than OFF Do not fix the next measurement value while the current measurement value is outputted via RS 232C That next measurement value will not be outputted Environment Settings Parameters Set the environment settings as follows Refer to Setting the Communication Specifications of the RS 232C page 3 49 for Environment settings Item Setting value Remark Baud rate 9600 1 9200 38400 57600 115200 bps Set the parameter according to the Parity check None Even Od
105. hen the auto zero is ON and the reference value is reacquired Auto zero OFF is ignored when the auto zero is OFF Auto zero ON Incoming command v La CR OUT number C 0 OUT14OUT2 1 OUT1 2 OUT2 Respons command V a CRI The same ON OFF E setting as that of the incoming command E RESET Incoming command OUT number r VIRI a cR T 0 OUT1 0UT2 KELL rA 1 OUT1 2 0UT2 Response command V RJCR E Panel lock p ELER Incoming command ON OFF number 0 OFF A 1 0N is d Response command Ly KER 5 10 Auto zero OFF P L Incoming command IW a JCR OUT number C 0 OUT14OUT2 1 0UT1 2 0UT2 Respons command W a ICRI The same ON OFF setting as that of the incoming command LK G M NO5 E 5 RS 232C E Program Program No change Program No check Incoming command mE command r P IR CR J PIWI o CR Program No Si Oto7 vp j SS Response command Response command P w cR P IRI oJR Program No 0to7 BW Statistics Statistical result output 5 I
106. ie Tie8 S jw o F ice swi oH Ter Tr Te Tre Te Te Te T Tb Analog output 2 S w O H CR i TE E Tc c e e dre e ye y i scaling CR Measurement mode minimum display unit Sw Ee a IEe cR sw Oec analog through Common Data storage Sw TOD IEEE ID S w t ej fcr settings Sampling rate mutual interference prevention timing synchronization comparator Sw e ra ea S wIL leen output form strobe time The shaded E cells indicate the setting values or measurement values Symbol a OUT number c Function No ddddd Number of data e Function code fffffff Setting value h Head No i Data interval m Mode nnn Numerical value without code o Data setting p Program No xx Control range y OUT and head numbers LK G M NO5 E 5 13 5 RS 232C Command details This section describes the details of the incoming commands and the response com mands that are sent when the incoming commands are properly processed Refer to Outline of the command format page 5 5 for the error response command Refer to Timing Chart page 5 21 for the response delay time of the response command E Display panel switch Switches the content displayed on the display panel Incoming command r DIC a CR OUT number 5 C 0 0UT140UT2 a SFI 1 0UT1 QD 2 0UT2 Y Response command D CJCR E Tolerance setting Sets the tolera
107. ies E LK G155H LK G150H Model LK G155H LK G150H Setting mode Diffuse reflection Regular reflection Reference distance 150 mm 147 5 mm Measurement range 3 40 mm 35 mm Light source Red semiconductor laser Wavelength 650 nm visible light class 3R IEC60825 1 class Illa CDRH Output Spot diameter at reference dis tance 4 8 mW max About 120 x 1700 um G155H About 20120 um G150H Linearity 1 0 05 of F S ES 40 mm Resolution power 2 Sampling rate 0 6 um 20 50 100 200 500 1000 us Selectable among six steps LED indication Near the center of measurement range Lights in green Within the measurement range Lights in orange Outside the measurement range Flashes in orange Temperature characteristics 0 01 of ES C ES 40 mm Environmental Enclosure rat IP67 IEC60529 resistance ing Operating Incandescent lamp or fluorescent lamp 10000 lux max ambient light Operating 0 to 50 C ambient tem perature Operating 35 to 85 RH No condensation ambient humidity Vibration resis 10 to 55 Hz double amplitude 1 5 mm tance 2 hours for each of XYZ axes Material Aluminum die cast Weight including cable Approx 290 g 1 The value when measuring the KEYENCE standard target ceramic in the standard mode 2 The value when measuring the KEYENCE standard target SUS 4096 times average a
108. ing stops and the comparator standby state is established 4 14 LK G M NO4 E 4 Input Output Terminals Binary output T5 OUT1 measurement value X X X x X X X X Sampling period gt OUT2 measurement value OY X X ie T62 io2ms T3 _ ON i i i i STROBE output OFF OUT1 OUT2 ON SEL input OFF i Binary data output En OU X oun X foun X OUT X our X om X OUT1 OUT2 ON rd OUT output OFF 7 f e a y MaxT2 MaxT2 OUT1 and OUT2 are updated asynchronously depending on the filter settings or the options speci fied in the measurement mode This timing chart is the example of the state other than OUT1 Normal and OUT2 Normal Output of either OUT1 or OUT2 can be selected for binary output by OUT1 OUT2 SEL input You can check whether the present binary output is OUT1 or OUT2 by OUT1 OUT2 OUT output Synchronize the binary data with the STROBE output signal to import The input response time T2 and refresh rate T5 vary depending on the settings Refer to page 4 17 The STROBE time T3 can be changed Refer to page 3 43 LK G M NO4 E 4 15 4 Input Output Terminals LASER REMOTE LASER OFF REMOTE input ON LASER OFF A B input oec T2 i T2 men Emit Laser emission Stop Tex6 Measurement Alarm Measurement Measurement value gt lt
109. ing the Unit and the Minimum Display Unit The display unit and the minimum display unit can be selected from the following six types of units Function No Minimum display unit Unit Displayable range 5 800 0 01 mm 9999 99 to 9999 99 D DDD i 0 001 mm 999 999 to 999 999 6 2 DODD i 0 0001 mm 99 9999 to 99 9999 5 308000 0 00001 mm 9 99999 to 9 99999 5 481 0 1 um 99999 9 to 99999 9 5 500 0 01 um 9999 99 to 9999 99 B Setting procedure of the number of digits to be displayed and the position of the decimal point d Hold down the st key and select ott i with the A our m aeo co cm I key POUT R OUT 1 is set in this example QUTZCEIMI LIGO S ILO LEM Press the key and select the function G with the P oum pm neo cio cm NO VL key LIT I Set the display unit and the minimum display unit ura OH Heo LO OTM JCCOL LILLIT 3 Press the ent key and select 5 3 with the A key curi Gm Hao Hio Cw Set the unit to mm and the minimum display unit to 0 00001 Lu J OUT2 OH Oco OLO OTM Mamam i LIL 4 Press the key to register the setting Press the key to return to the measurement state If the unit and the minimum display unit are changed the setting content related to the numerical value display within the same OUT in the same program No and the auto zero setting value is initialized LK G M
110. ion Settings E Functions of the low pass filter and high pass filter Set the cutoff frequency for each of the filters The process when the filter is set is as follows Measurement value Input waveform p gt Time Measurement value Waveform by filtering with high pass Measurement value Time E Setting procedure of averaging Waveform by filtering with low pass AAN The setting procedure is described below for the case where the averaging is set to OUT1 as an example i with the A OUTI OHI OGO OLO OTM d Hold down the sr key and select out key 2 Press the key and select the function C with the gt key Set the filter 3 Press the key and select C with the A key Set Moving average LK G M NO3 E a ae Buc K OUT2 OHI OGO OLO OTM OUTI OHI OGO OLO OTM JCE Hbt de OUT2 OHI OGO OLO OTM POLE OUTI DH OGO OLO OTM ron Lo OUT2 OHI OGO OLO OTM H r LiL 3 23 3 Function Settings 4 Press the enr key and specify the number of times of mov Ser rm De D E CM Deo OLO QTM ing average with the A key s 1024 times is selected in this example our OH EE Ei E ucH 5 Press the key to register the setting Press the ser key to return to the measurement state E Setting procedure of the low pass filter high pass filter The setting procedure is described b
111. is output for the specified period only when the measurement value is held If the measurement value is not held the strobe signal is output for half the period of sampling cycle LK G M NO3 E 3 43 3 Function Settings Accumulating the Measurement Value in the Memory Data Storage Function Up to 131072 measurement values of OUT1 and OUT2 65536 values for each OUT1 and 2 can be stored in the internal memory for every accumulation rate The accumulated data can be read by using the RS 232C interface or LK Navigator The setting contents of the function No and the sub function are as follows Function No Selection of the Sub function Accumulation rate selection geen mulatedidala F F x 1 Sampling cycle F di aFF Does not accumulate data F Fi 2 s F d ott sues the data of FFE 6 WE F d ouk Accumulates the data of F F3 1 x10 QUT F F 4 eG x 20 z HE F d3 out i2 eee of F FS SB m F FB i50 x 100 F F1 ead x 200 F FB8 58 x 500 F F9 50D x 1000 The data to be accumulated is the measurement value of OUT1 or of OUT2 after data processing such as the one in the measurement mode J page 3 2 The accumulating operation stops when the number of accumulated data exceeds the specified number The accumulation time can be calculated by sampling rate x accumulation rate x number of data The data is accumulated at the sampling rate even when the refresh rate is
112. key Peak hold is selected in this example Press the et key to register the setting Press the sr key to return to the measurement state mE T IL K OUT2 OH OGO OLO OTIM OUTI OHI OGO OLO OTM Abi der OUT2 OH OGO OLO OTM Hold OUTI OHI OGO OLO OTIM D I Li OUT2 OH OGO OLO OTM OLU orn LK G M NO3 E 3 Function Settings Timing Chart E Normal Measurement is performed consecutively and the measurement value is displayed and outputted as required Measurement value Measurement value in Normal mode RESET process Internal measurement value HI set value LOsetvdue 55 NN 7 Nw 3 Comparator standby display HI output GO output LO output TIMING output RESET input RS 232C output o z CP value The ON state of each output indicates the state where the NPN or PNP open collector output is turned on The ON state of each input indicates the state where it is short circuited between the terminal and the COM terminal for NPN type and the voltage is applied between the terminal and the COM terminal The RS 232C output is synchronized with the timing input when Auto transmission in the Environment set ting is set other than OFF page 3 49 Refer to Functions of the Input and Output Signals page 4 7 for details of binary output Reference 7 If the RESET input is set to ON when the TIMING input is ON the comparator st
113. kness is selected for the calculation method b Input value of the 99 9999 to 99 9999 0 0000 first point Display value of the 99 9999 to 99 9999 0 0000 first point Input value of the 99 9999 to 99 9999 1 0000 second point Display value of the 99 9999 to 99 9999 1 0000 second point t Number of times of 1 4 16 64 256 1024 4096 16384 256 moving average 65536 262144 Cutoff frequency 1000 300 100 30 10 3 1 0 3 0 1 100 Hz The LPF and HPF have the same settable range d Measurement Normal peak hold bottom hold Normal mode peak to peak hold average hold sample and hold E Trigger Trigger 1 Trigger 2 Trigger 1 F Offset 99 9999 to 4 99 9999 0 0000 G Minimum display 0 01 0 001 0 0001 0 00001 0 1 0 0001 unit 0 01 H Display value of the 99 9999 to 99 9999 1 0000 first point Output value of the 10 5 V to 10 5 V 10 000 first point Display value of the 99 9999 to 99 9999 1 0000 second point Output value of the 10 5 V to 10 5 V 10 000 second point t Analog through ON OFF OFF Tolerance Tolerance upper limit 99 9999 to 99 9999 5 0000 Tolerance lower limit 99 9999 to 99 9999 5 0000 Hysteresis width 0 to 499 9999 0 0000 LK G M NO3 E 3 15 3 Function Settings List of the OUT Setting Screens OUT Settings Calculation method Head A OUTI OH OGO OLO OTM OUT2 OHI OGO OLO OTM OUT2 OH OGO OLO OTM IIL nr gt n OWE I LLL H Head B gy OUT2 OHI OGO OL
114. lection Reference distance 30 mm 23 5 mm Measurement range 3 5 mm 4 5mm Light source Red semiconductor laser Wavelength 650 nm visible light class 3R IEC60825 1 class Illa CDRH Output Spot diameter at reference dis tance 4 8 mW max About 30 x 850 um G35H About 230 um G30H Linearity 1 0 05 of ES ES 5 mm Resolution power 2 Sampling rate 0 3 um 20 50 100 200 500 1000 us Selectable among six steps LED indication Near the center of measurement range Lights in green Within the measurement range Lights in orange Outside the measurement range Flashes in orange Temperature characteristics 0 01 of ES C ES 5 mm Environmental Enclosure rat IP67 IEC60529 resistance ing Operating Incandescent lamp or fluorescent lamp 10000 lux max ambient light Operating 0 to 50 C ambient tem perature Operating 35 to 85 RH No condensation ambient humidity Vibration resis 10 to 55 Hz double amplitude 1 5 mm tance 2 hours for each of XYZ axes Material Aluminum die cast Weight including cable Approx 280 g 1 The value when measuring the KEYENCE standard target ceramic in the standard mode 2 The value when measuring the KEYENCE standard target SUS 4096 times average at the reference distance 3 When the sampling rate is 20 us the value becomes 1 8 FAR side to 5 mm NEAR side at t
115. livered with the wire for short circuiting installed 6 LK G M NO0 E E Warning labels The contents of warning indications and locations for attaching warning labels are described below The FDA CDRH warning labels are attached to the unit when shipped from the factory Labels other than the FDA CDRH label are supplied with the unit Attach the other label s to the locations as shown in the figure on page 9 according to the destinations of the product Warning label are not supplied with LK G15 LK G10 because these models are IEC class 1 and JIS class 1 products E Label contents LK G35 LK G30 LK G155 LK G150 FDA CDRH AVOID EXPOSURE LASER RADIATION LASER RADIATION AVOID DIRECT EYE EXPOSURE IS EMITTED FROM SEMICONDUCTOR LASER THIS APERTURE WAVELENGHT 650nm MAXIMUM OUTPUT 4 8mW CLASSTa LASER PRODUCT IEC German LASERSTRAHLUNG DIREKTE BESTRAHLUNG DER AUGEN VERMEIDEN AUSTRITTSOFFNUNG Maximum Leistung 4 8mW F R LASERSTRAHLUNG Wellenlange 650nm LASER KLASSE 3R EN 60825 1 A2 2001 Bestrahlung vermeiden austritt von laserstrahlung JIS Japanese L UX E heOFEAEGWTE XI om TORODS FH CEREC LERNTE EU 4 8mW BR 650nm Z22A3AL U Rim JIS C6802 1997 L 936b hes LK G M NOO E IEC English A AVOID EXPOSURE Laser radiation is emitted from this aperture LASER RADIATION AVOID DIRECT EYE EXPOSURE Maximum outp
116. lue Displays 2 2 Setting the Tolerance Comparator Value 2 3 The Function of the Tolerance Settings 2 3 Hysteresis niisiis 2 5 Setting the Display Value Instantaneously to Zero Auto Zero oo eee 2 6 Program Function ss 2 8 Switching Program Nos 2 9 Performing Statistical Computation with the Measurement Value 2 10 Chapter 3 Function Settings Measurement Data Flow and Functions 3 2 Setting the Head ssse 3 3 List of Functions and Function Nos 3 3 List of Default Values and Setting Ranges eae eniti 3 3 List of the Head Setting Screens 3 4 Setting ABLE 3 5 Setting the Measurement Mode According to the Measuring Target 3 7 Specifying the Process When Measurement is Not Possible Alarm Process eeeese 3 8 Automatically Teching the Adjustment Range of ABLE According to the Target 3 10 Setting the Mounting Mode 3 12 Setting the Conditions of the Measurement Value Output seessss 3 13 List of Functions and Function Nos 3 13 List of Default Values and Setting Ranges 3 15 List of the OUT Setting Screens 3 16 Calculating Between the Heads 3 18 Setting the Scaling for Measurement Calibration ne 3 20 Stabilizing the Measurement by Filtering 3 22 Using the Hold Function Mea
117. m sink current 50 mA e z Residual voltage 0 5 V or less 3 Leakage current 0 1 mA or less O Output Electrical specifications common to NPN type and PNP type W Analog voltage output analog current output O Current output 470 470 O Current output N9119 eujeju ov Voltage output Current output Output range 10 8V Output range 3 36 to 20 64 mA Measurement data 10 5 V Measurement data 3 6 to 20 4 mA Resolution 2 mV Accuracy 0 05 of F S ES 20 V accuracy with Accuracy 0 25 of ES reference to the displayed value FS 16 mA accuracy with reference to the displayed value Matching load 350 Q max Resolution 3 pA Output impedance about 100 Q Response about 10 us after the measurement Delay Tme value has been updated Response about 10 us after the measurement delay tme value has been updated LK G M NO4 E 4 11 4 Input Output Terminals Timing Chart This section describes the timing of the input and output signals Normal ON XY i Comparator output Spe X X2 C i i i Binary outpu OE l X XX X X X X i pem T3 1 i i ON j STROBE output SFF Ly Minti 0 Mint y ON TIMING inpu M Les a MaxT2 MaxT2 gt PT RESET oN Mint ZERO inpu P MaxT2 i T4 j Min MinTt 3 ON i T P1 to P3 inptus o X E D MaxT7 T4 3 The minimum inpu
118. malfunction Ensure that the orientation of the connector is correct Otherwise the pin could break and may lead to system breakdown LK G M NO1 E 1 19 1 Before Use E Connecting the display panel In the case of the separate type controller the display panel cable is used for connecting the controller to the display panel The LK G series can be operated without the display panel In addition the operation from a PC is possible by using the LK Navigator software E Connecting the power Connect the 24V DC power to the terminals 1 and 2 of the 12 pin terminal block KEYENCE CA U2 or MS2 Series is recommended for the 24V DC power supply E Connecting the terminal block The steps to connect the wires to the terminal block are as follows 1 Remove the terminal block from the controller Loosen the two screws with a screwdriver and pull it out 2 Loosen the screws on the terminal with a screwdriver and insert the lead wires into the terminal block The fabricating length of the pig tail end of the lead wire should be about 6 5 mm 3 Tighten the lead wires with the screwdriver After tightening them pull the lead wires lightly to confirm that they are securely fixed 4 Install the terminal block to the controller 1 20 LK G M NO1 E 1 Before Use Outline of Measurement and Settings Switching Modes The LK G has the following modes Program switch mode Switches between stored programs Toleranc
119. nce OUT number 1 OUT1 ncoming command 2 OUT2 SWL JL Mj jaj EEE IL LELEL Upper limit Lower limit Of ff fif ILE ICR Setting value format Setting value format Hysteresis p Setting value format Response command S wj L MJCR The head of the hysteresis is not a character but 0 zero 5 14 LK G M NO5 E 5 RS 232C E ABLE Sets ABLE E ABLE control range Sets the control range of ABLE Head number Head number 1 HeadA 1 HeadA Incoming command 2 Head B ncoming command 2 Head B SIWIL JIH ALRI ALL PI CR F SHIA IMi ihi Imi r 3 Mode lt gt Upper limit Lower limit p 0 AUTO Sy control range date control range date NA Response command S Response command 1 MANUAL Es HER 01 to 99 01 to 99 O1 to 99 L Siw HAIR E Measurement mode Sets the measurement mode Incoming command Head number 1 HeadA 2 Head B Siwi IHIBI jh C JCR
120. ncoming command p DIGI Ta C8 OUT number 1 0UT1 Sl 2 0UT2 ay SS Response command DIOL jaj l h hj hi hi hi hi Ay Ay Ay hi Ay hi hi Ay hj h he same OUT number as that Avarage value Maximum value of the incoming command Measrement value format Measrement value format hlhi hjhjhi hj hjhji hjihihj hjhjhihlh fh h hjhjhih h h Minimum value Maximum value Minimum value Standard deviation Measrement value format Measrement value format Measrement value format mjmjmijimimjimij jmjmijmijmijm Jim J mjimimiimj mjmj imjimjimjmjm mjCR Number of data Numbel of tolerance HI data Number of tolerance GO data Number of tolerance LO data Clearing statistics Incoming command r D QJ i a KR OUT number 0 OUT14OUT2 Si 1 OUT1 g 2 0UT2 Respons command DJOJ a KR y G The same OUT number as that of the incoming command LK G M NO5 E 5 RS 232C E Data storage Starting the data storage Incoming command p 45k 2 Jf s Response command L gt als CR Initializing the data storage Incoming command AJQ CR GS
121. nction Settings Calculating Between the Heads The surface displacement thickness and height difference measurements can be performed by calculating the data acquired from the setting of head A or head B according to the measurement target E Function Nos and measurement examples Function No Calculation Function R BR Head A Surface displacement measurement using the head A or B A A Head B R e Rdd Rb Head A B Thickness 4 gt measurement Lu 7 using the head A g H and B BIN Thickness measurement R 3 Sub Alb Head A B Height difference V a measu reme nt KEYENCE KEYENCE Heig ht using the head A os 5 differe nce and B measu rement A H ErRa R Head A transparent Performs the displacement measurement and object thickness measurement of the transparent object A 5 Erfin hb Head B transparent The measurement surface is selected by the sub object function Used in combination with the auto offset function When transparent object is selected for the meas surface measurement if Add Ab or SUb Ab is se urement mode of head setting head A and head B perform ected E Sub functions and measurement surfaces Sub function Measurement surface Function R 8 i 1 Displacement measurement of Asie 2 one surface T R je 3 3 B R
122. ndicator 3 HGHH IR HH Lights during the comparator output HI GO or LO Mires sco wo 5 Timing input indicator Lights when the timing signal is being input QH TUTTI in 6 Head status display indicator Displays the laser emission status and the measurement status HHH I HEADA LASER oN MSHOLTY BRIGHT DARK 7 O T pq d q ne LASER ON Laser emission LED Lights while the LK G Series is in operation STABILITY Lights in green or orange within the measurement range Lights in red outside the measurement range alarm or laser off BRIGHT Lights at the exceeding light intensity alarm DARK Lights at the light intensity shortage alarm J 7 Operation keys Displays and descriptions of the measurement value indication Display Description Numerical value 999999 Displays the measurement result in numerical value The display unit decimal point position and minimum display unit vary depending on the settings FFFFFF HI output ON Monitor output 10 8 V Displayed when the value exceeds the display range FFFFFF LO output ON Monitor output 10 8 V Displayed when the value drops below the display range HI GO and LO outputs OFF Monitor output 10 8 V 1 6 Displayed during the comparator standby state LK G M NO1 E 1 Before Use Operation keys Key Function
123. ngs ABLE Auto OUTI OHI OGO OLO OTM OUT2 OHI OGO OLO OTM OUT2 OHI OGO OLO OTM LIED D DLI C ni HERg H AbLE MUCO Manual gy J OUT2 OHI OGO OLO OTM D Iu OUTI OHI OGO OLO OTM nHnLHL IL Dg 3 HEAd b Measurement mode Normal OUT2 OHI OGO OLO OTM OUT2 OHI OGO OLO OTM ZC CAC Ln MEAS norant Translucent object 3 OUT2 OHI OGO OLO OTM HALF E Transparent object I OUT2 OHI OGO OLO OTM J ErHn i Transparent object 2 amp OUT2 OHI OGO OLO OTM E aes Lrrnn c Multi reflective object z OUT2 OHI OGO OLO OTM s m nr Number of times of Alarm process processing our2 OHI neo nio OTM QUT2 OHI OGO OLO OTM D Oo F ILL ALACA LOUNE Level g OUT2 OHI OGO OLO OTM LEuEL ABLE calibration OUT2 OHI OGO OLO OTM IC ZL AbLE E Mounting mode l Diffuse reflection OUT2 OH OGO OLO OTM OUT2 OHI OGO OLO OTM Z liL CC C nounet gFF 5 Mirror reflection B OUT2 OHI OGO OLO OTM nirr 5 3 4 LK G M NO3 E 3 Function Settings Setting ABLE The LK G Series measures the displacement of the target by measuring the laser beam reflected from the surface of the target The ABLE function automatically adjusts the light intensity and the sensitivity to their optimum levels according to the conditions color luster and material of the target surface The following two types of setting are available for A
124. o Oo OTM Voss Cur Set the synchronization asynchronization of the external tim Jam ing 3 Press the amp vr key and select E i with the A key OUT EM OGO Glo OTM Synchronous is selected in this example L OUTZ OHI OGO OLO OTM Cur je 4 Press the ent key to register the setting Press the key to return to the measurement state Reference Refer to Chapter 4 Input Output Terminals page 4 1 LK G M NO3 E 3 41 3 Function Settings Setting the Output Form of the Tolerance Comparator The output form of the tolerance comparator can be set The following three types are available Function No Output form Function d B naraRL Normal Outputs according to the tolerance comparator d i Hold HOLD Holds the output that is turned ON Releases the holding when the measurement value is reset d dELAY Off delay Off delay of 60ms is applied to the Normal output Releases the holding when the setting value is reset E Setting the output form of the tolerance comparator NO C2 A Hold down the set key and select aPt on with the A key Set the common settings Press the key and select the function d with the gt key Set the output form of the tolerance comparator Press the en key and select d with the A key Hold is set in this example Press the f key to register the setting Press the key to return to the measurement state O
125. oing so stabilizes the detection 1 Target shape The installation of the head in the orientations indicated by the circle in the figures below is recommended Near the wall surface Displacement in a hole LK G M NO1 E 1 13 1 Before Use Installing the Controller Install the controller to the DIN rail or fix it with screws Caution on the installing orientation of the LK G Series Install the controller in the orientations shown in the following figures with a circle Do not install it upside down Be sure to leave 30 mm of clearance or more above the controller and 10 mm or more on each side In addition for ensuring the safe connection of the cord leave 65 mm space or more in front of the terminal panel of the controller When installing the controllers side by side make sure there is a clearance of 10 mm or more between the controllers and 30 mm or more of clearance above them NCAUTION Do not cover the ventilation holes on the top and the bottom of the controller The heat stays inside causing a malfunction When the temperature in the controller panel rises to over 50 C decrease the ambient temperature below 50 C by introducing the forced cooling air or by securing more room around the system 1 14 LK G M NO1 E 1 Before Use Installing the LK G3001V LK G3001VP single unit type controller Install it on its bottom M4 screw x 4 screw depth 6 mm Installing
126. ollector output Measurement data output 21 bits OUT1 OUT2 selectable PNP open collector output Strobe output NPN open collector output PNP open collector output Binary selection output NPN open collector output PNP open collector output Binary selec tion input Non voltage input Voltage input LK G M NO6 E 6 Specifications of the LK G Series Model Single unit type LK G3001V LK G3001VP Separate type 1 LK G3001 LK GD500 LK G3001P LK GD500P RS 232C interface Measurement data output and control I O selectable up to the baud rate of 115200 bit s USB interface USB Revision 2 0 Full speed USB1 1 compatible com pliant Main functions 2 OUT simultaneous measurement function Calculation function Averaging function Filter function Calibration function Measurement function Auto zero function Sam pling rate setting function Mutual interference prevention function Data storage function 8 program memory func tion Eco mode ABLE setting function Measurement tar get setting function ABLE calibration function Transparent object measuring surface selection function Statistical computation function Setup support software connection function Head installation selection function and others Rating Power voltage 24 V DC 10 Ripple P P 10 max Maximum current con sumption When connecting one measurement head 500 mA o
127. ower is None 10 8 Vor OFF 0 turned on less 0x000000 3 36 mA or less ON OFF indicates the ON OFF status of the NPN or PNP open collector output Valid Invalid indicates the validity invalidity of input HOLD represents the state in which the normal value immediately before is being held The RESET processing is performed after the mode is changed to the measurement mode pro gram number is changed auto zero processing is completed and RESET input is accepted USB indicates the communication using the Setup support software LK Navigator The setting mode indicates the state where setting is performed by key operations on the display panel The communication mode indicates the status where setting is performed via RS 232C or USB communication RS 232C and USB cannot be used at the same time Moving to the communication mode and returning to the measurement mode are performed auto matically on the Setup support software LK Navigator Using RS 232C and USB at the same time in the measurement mode lowers the response speed The comparator output is issued when the comparator output format is set to normal LK G M NO6 E 6 15 6 Specifications of the LK G Series Response Delay Time E Measurement response time This is the period of time until the unit recognizes the change in the target and outputs the signal This is calculated by the following formula Measurement respon
128. panel fixing case optional 2 Fix the display panel with the panel attachment ring and connect the 30 cm display cable optional Panel attachment ring Three claws Controller LK G M NO1 E 1 17 1 Before Use 4 Install the display panel fixing case along the groove on the controller Slide the front panel in the direction of the arrow Z CAUTION Be sure to check the orientation of the claws on the connector side before installation Otherwise the claws break and cause malfunction 5 Fix the display panel fixing case by tightening the display panel fixing screw Route the display panel cable along the guide and connect it to the display panel connector on the terminal panel of the controller 1 18 LK G M NO1 E 1 Before Use Connection Display Panel in the case of the separate type controllers 1 Head to controller cable 2 m 5 m 10 m 30 m Display panel cable 30 cm 3 m 10 m 24 VDC power supply E Connecting the head Connect the connector of the head to controller cable to the head connector A or B on the controllers terminal panel Check that a click sound is heard indicating that they are securely fixed When removing it pull it out while pressing the buttons on both sides of the connector Up to two heads can be connected at the same time NCAUTION Be sure to turn off the power of the controller before connecting disconnecting cables Failure to do so may cause
129. parator output format Normal OUT2 OH OGO OLO OTIM OUT2 OH OGO OLO OTIM P __ o rorcn nornHL HOLD OUT2 OHI OGO OLO OTM bie J rim cl Off delay A OUT2 OHI OGO OLO OTM dELH AY Strobe time OUT2 OH OGO OLO OTM Cit 5 E inE Data storage OUT2 OHI OGO OLO OTM r Hr LK G M NO3 E 3 Function Settings Setting the Sampling Rate of Measurement Value This section describes how to set the measurement sampling sycle If you want the sampling to be performed more quickly modify it to perform faster or when the received light is extremely dim modify it to perform more slowly Function No Function sampling rate A D e8 20 us A 150 50 us R e wag 100 us A 3 200 200 us A 4 5500 500 us R 5 100g 1000 us E Setting procedure of the sampling rate J Hold down the set key and select aPE an with the A key oui cw neo cio omw Set the common settings GPE ian OUT2 OH OGO OLO OTM 2 Press the amp key and select the function A by the gt key ouri mm sc no cm Set the sampling cycle ALE dEF OUT2 OHI OGO OLO OTM Cour C LILLE 3 Press the t key and select A 4 with the a key OS ce a m The sampling rate is set as 500 us in this example H H OUT2 OH OGO OLO OTM 4 Press the Ent key to register the setting Press the af Dn key to return to the measurement state g
130. played ic j H D OUT2 OHI OGO OLO OTM Press the key OUTI OHI OGO OLO OTM The measurement value display becomes zero non ri D OUT2 OH OGO OLO OTM BJReference J f you enable the auto zero function for either OUT1 or OUT2 independently the measurement value display mode must be set to the single display f you enable the auto zero function for both OUT1 or OUT2 at the same time the measurement value display mode must be set to the dual display Refer to Switching the Measurement Value Displays page 2 2 for switching the measurement value display The measurement value at the moment when the key is released is set as nr nnmnmnv LELILILILIE Pressing the key for three seconds cancels auto zero E input from the ZERO terminal Auto zero starts functioning if you turn on ZERO1 No 10 and COM on the 12 pin terminal block in the case of OUT1 and ZERO2 No 8 on the expansion connector in the case of OUT2 Ensure that the turn on time does not exceed two seconds NPN type OFF when opened ON when short circuited with COM No 12 PNP type OFF when opened ON when the voltage is applied L Reference Ustala a DEU The measurement value at the turning on moment is set as LOB If the ZERO1 terminal or the ZERO2 terminal is turned on for two seconds or more auto zero is canceled E RS 232C interface You can send the command from the external devices by using the RS 232C in
131. position Operation of the key or others resets the present displayed value to GGOBB By considering this zero position as a reference the increase and decrease are displayed in positive negative This function can be used for reference zero point positioning when a workpiece is changed The example below uses the auto zero function by using the 150 um target as a reference A Display 150 um Positive indication T 0 New reference point Negative indication Auto zero cannot be set at comparator standby state displayed as and over range state However cancellation of auto zero is possible The auto zero value is stored according to program No and OUT The auto zero value is retained even if the power is turned off When the measurement mode is other than normal the comparator standby state is established after auto zero is set Adjusting a master workpiece by using the offset function auto offset function When you set auto zero while measuring a master workpiece with the size of the master workpiece set as the offset value the numerical value to display can be set to the size of the master workpiece the offset value Refer to Measuring with Offset page 3 32 2 6 LK G M NO2 E 2 Operations and Functions during Measurement li Operations from the display panel 1 Measure the target to be used as a reference OUT GH OGO OLO OTM Assume that 23 5 is dis
132. put Terminals 6 pin I O terminal block Used for the analog monitor output Matching cable specification AWG28 to 16 length of pigtail cable end fabrication 6 5 mm Pin No Signal name Description 6 OUTI V Analog voltage output of OUT1 Outputted in the range of 10 8 V with reference to the displayed value 5 OUT1 A Analog current output of OUT1 Outputted in the range of 3 36 mA to 20 64 mA with reference to the displayed value OUT1 OV OV terminal for OUT1 OUT2 V Analog voltage output of OUT2 Outputted in the range of 10 8 V with reference to the displayed value 2 OUT2 A Analog current output of OUT2 Outputted in the range of 3 36 mA to 20 64 mA with reference to the displayed value 1 OUT2 0V OV terminal for OUT2 0 V of pin Nos 1 and 4 are common 24 V DC for the 12 pin I O terminal block and 0 V are common via a choke coil Be careful not to generate a potential difference Reference Refer to page 4 10 for the electrical specifications Refer to Q page 3 34 for the scaling procedures of the analog output 4 4 LK G M NO4 E 4 Input Output Terminals Expansion Connector Used for the comparator output control output and binary output Matching connector FX2B series HIROSE Electric Inc Pin No Signal name Description Cord color 1 OUT2 comparator HI OUT2 comparator HI output
133. r less When connecting two measurement heads 600 mA or less Environmental Operating ambient tem 0 to 450 C resistance perature Operating ambient 35 to 8596 RH No condensation humidity Weight Approx 480 g LK G3001 V LK G3001 P Approx 370 g LK G3001 LK G3001VP Approx 60 g LK GD500 1 The LK G3001 can be used independently The measurement value display and the setting change can be performed on the display panel LK GD500 or the Setup support software LK H1W The output rating of the NPN open collector 50 mA Max 40 V or less residual voltage 0 5 V or less The output rating of the PNP open collector 50 mA Max 30 V or less residual voltage 0 5 V or less Non voltage input rating ON voltage 1 V or less OFF current 0 6 mA or less Voltage input rating ON voltage 10 2 V OFF current 0 6 mA LK G M NO6 E 6 Specifications of the LK G Series Specifications of the Head E LK G35 LK G30 Model LK G35 LK G30 Setting mode Diffuse reflection Regular reflection Reference distance 30 mm 23 5 mm Measurement range 3 5mm 4 5mm Light source Red semiconductor laser Wavelength 650 nm visible light class 3R IEC60825 1 class Illa CDRH Output Spot diameter at reference dis tance 4 8 mW max About 30 x 850 um G35 About 230 um G30 Linearity 1 0 05 of ES FS 5 mm Resolution po
134. r to Expansion Connector page 4 5 E RS 232C interface You can send the command from the external devices by using the RS 232C interface to switch program Nos Refer to Chapter 5 RS 232C page 5 RS 232C The method of switching the program Nos varies depending on the setting of Setting the Program Switching Method page3 50 in the Environment settings Function No Selection item Operation method b 0 PANEL Panel operation RS 232C interface b i EDE External terminal input LK G M NO2 E 2 9 2 Operations and Functions during Measurement Performing Statistical Computation with the Measurement Value Statistical computation with the measurement value can be performed The data to be used for the statistical computation is the one held in each measurement mode OUT1 and OUT2 can perform statistical computation independently Refer to Using the Hold Function Measurement Mode page 3 25 Up to 90000 statistical data can be acquired If the number exceeds 90000 the statistical computation stops The statistical computation is performed and the statistical data is updated continuously The statistical data is cleared under the following six conditions When the key is pressed for three seconds When moving to the Measurement mode from the Setting mode Tolerance Settings mode Program Change mode or Communication mode When the statistics clearing command is received via the RS 232
135. racteristics 0 01 of ES C FS 1 mm Environmental Enclosure rat IP67 IEC60529 resistance ing Operating Incandescent lamp or fluorescent lamp 10000 lux max ambient light Operating 0 to 50 C ambient tem perature Operating 35 to 8596 RH No condensation ambient humidity Vibration resis 10 to 55 Hz double amplitude 1 5 mm tance 2 hours for each of XYZ axes Material Aluminum die cast Weight including cable Approx 190 g 1 The value when measuring the KEYENCE standard target ceramic in the standard mode 2 The value when measuring the KEYENCE standard target SUS 4096 times average at the reference distance The value in parenthesis indicates the typical value when measured with the number of averaging times of 16384 3 When the sampling rate is 20 us the value becomes 0 37 FAR side to 1 mm NEAR side at the time of the diffuse reflection LK G M NO6 E 6 Specifications of the LK G Series E LK G15H LK G10H Model LK G15H LK G10H Reference distance 10 mm Measurement range 3 1 mm Light source Red semiconductor laser Wavelength 650 nm visible light class IEC60825 1 class II CDRH Output 0 3 mW max Spot diameter at reference dis tance About 20 x 500 um G15H About 220 um G10H Linearity 1 0 03 of ES FS 1 mm Resolution power 2 0 3 um Sampling rate
136. rkmanship for a period of one 1 year from the date of shipment If any models or samples were shown to Buyer such models or samples were used merely to illustrate the general type and quality of the Products and not to represent that the Products would necessarily conform to said models or samples Any Products found to be defective must be shipped to KEYENCE with all shipping costs paid by Buyer or offered to KEYENCE for inspection and examination Upon examination by KEYENCE KEYENCE at its sole option will refund the purchase price of or repair or replace at no charge any Products found to be defective This warranty does not apply to any defects resulting from any action of Buyer including but not limited to improper installation improper interfacing improper repair unauthorized modification misapplication and mishandling such as exposure to excessive current heat coldness moisture vibration or outdoors air Components which wear are not warranted 2 KEYENCE is pleased to offer suggestions on the use of its various Products They are only suggestions and it is Buyer s responsibility to ascertain the fitness of the Products for Buyer s intended use KEYENCE will not be responsible for any damages that may result from the use of the Products 3 The Products and any samples Products Samples supplied to Buyer are not to be used internally in humans for human transportation as safety devices or fail safe systems unless their writ
137. ronous 3 41 54nt n SUnt 54at d Comparator output format Normal HOLD Off delay 3 42 a Farn narnRL Hold dELAY E Strobe time 2ms 5 ms 10 ms 20 ms 3 43 5 E e 5 ig e F Data storage OFF OUT1 OUT2 OUT 1 2 3 44 d 5tr oFF o t i oute out ie The shaded cells Function F sets the number of data and accumulation rate as a sub function are set by default Refer to Accumulating the Measurement Value in the Memory Data Storage Function page 3 54 List of Default Values and Setting Ranges Function Item Settable range Default value Remarks R Sampling rate 20 50 100 200 500 1000 us 200 us b Mutual interference prevention ON OFF OFF t Timing synchronization Synchronous asynchronous Asynchronous d Comparator output format Normal hold delay Normal E Strobe time 2 5 10 20 ms 2ms F Data selection OFF OUT1 OUT2 OUT1 2 OFF Number of data 1 to 65536 65536 Accumulation rate 1 2 5 10 20 50 100 200 500 1000 x 20 LK G M NO3 E 3 37 3 Function Settings List of the Common Function Setting Screens Common Sampling rate OUT1 DH OGO OLO OTM OUT2 OHI OGO OLO P Li _ 4L l Ore wn LL E Mutual at prevention OUT2 OHI OGO OLO OTM ALEEr Timing cycle Asynchronous OUT2 OH OGO OLO om OUT2 DH OGO OLO OTM L LI GY nL gt n 5HnL Synchronous E OUT2 OHI OGO OLO OTM Lir 5 IML Com
138. roperly connected Connect the display panel properly Q page 1 16 Is keylock set to ON Set the keylock to OFF LT page 3 53 LK G M NOA E Error Messages The list of error messages displayed in the LK G Series and their remedies is shown below Display Error description Remedy Err B Head connection error Check the head connection Err i Head A error Err e Head B error Err 3 Head A B error Err 4 Controller error Contact your nearest KEYENCE Office Err 5 Display panel error Check the connection of the display panel cable Err 6 SRAM Sum error Restore the power or perform initialization Err 1 Numerical value input error Cancel the error with the ENT key and set the specifications again f you cannot resume the LK G Series after executing the above remedies contact your nearest KEYENCE Office LK G M NOA E A 5 List of Optional Products These are the optional products supported by the LK G Series Name Model Appearance Description ND filter LK F1 Used when the mirror surface is for LK G3 O measured at a mirror reflection setup LK F2 for LK G15 Display panel fixing case OP 51653 Z Used when combining the Za display panel LK GD500 and the controller LK G3001 LK G3001P Display panel 30cm OP 51654 The connection cable for the cable E display panel LK GD500 and S the controller LK G3
139. s 3 6 pin terminal block Refer to 6 pin I O terminal block page 4 4 uico 4 Expansion connector Im Refer to Expansion connector page 4 5 3 5 Head connectors xL 6 Laser emission LED 1 Lights while the LK G series operates 7 Display panel connector Connects the communication cable between the display T panel and the controller 8 12 pin terminal block J Refer to 12 pin I O terminal block page 4 2 LK G M NO1 E 1 7 1 Before Use Sensor emitter Emits the laser beam for measurement It is protected with a glass cover Sensor receiver Receives the laser beam for measure ment It is protected with a glass window Attachment holes for the ND filter Used for attaching the ND filter LK F1 LK F2 Installation holes Connecting cable Connected to the head to controller cable Laser radiation emmission LED Lights or flashes while the LK G Series is in operation Status LED Center of the Lights in green measurement range Within the Lights in orange measurement range Outside the measurement range Flashes in Alarm orange Laser off LK G M NO1 E 1 Before Use Installing and Connecting the Heads and Option Installing the Head Adjust the distance between the head and the measuring target and fix the head with the screws at the two installation holes E LK G35 LK G30 LK G37 LK G32 Installation procedure
140. s Z at OUT2 2 10 LK G M NO2 E 2 Operations and Functions during Measurement E Setting procedures of statistical data 1 Press the A key to change the screen to show the single display Set the OUT No of which statistical data is to be displayed 2 Press the key OUT CH OGO OLO OTM The screen changes to the statistical data Name of pe ml H display OUT2 OHI OGO OLO OTM 2 The upper limit of the tolerance setting is Statistical data ut Ua displayed 3 Press the ENT key and check the statistical data in order For details of the displaying order refer to T page 2 10 4 Press the set key to return to the measurement value display When displaying both OUT1 and OUT2 during measurement the statistics cannot be dis played BiReference J The measurement and statistical computation are performed even when the statistical data are displayed n the statistics display screen if no key operation is performed for 60 seconds the screen returns to the measurement state LK G M NO2 E 2 Operations and Functions during Measurement MEMO 2 12 LK G M NO1 E Function Settings This chapter describes the functions of the LK G Series and the setting procedures Measurement Data Flow and Functions 3 2 Setting the Head retener rrr heec 3 8 Setting the Conditions of the Measurement Value Output
141. s Class Il a Class I Class I IEC60825 1 Maximum output 4 8 mW 0 95 mW 0 3 mW ius n 2001 Class Class 3R Class 2 Class 1 Maximum output 4 8 mW 0 95 mW 0 3 mW JIS C6802 1997 Class Class 3A Class 2 Class 1 LK G15 LK G10 is a class 1 laser product according to IEC60825 1 Z WARNING Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure Cautions on class Ma 3R 3A laser products Observe the following instructions Otherwise injury to the human body eyes and skin may result Do not direct the laser beam at other persons Never look at the laser beam through optical instruments such as a microscope magnifier or telescope Make the laser path as short as possible and be sure to terminate the laser path with a diffusion reflector or diffusion absorber so that the laser beam does not diffuse It is recommended to install the protection enclosure Install the laser product so that the laser beam be located well above or below eye level Install the laser product carefully so that the laser beam is not unitentionally directed at mirror like surfaces It is recommended to wear protective eye goggles Do not disassemble the LK G Series Do not look directly at the laser beam LK G M NOO E Cautions on Class II 2 laser products Observe the following instructions Otherwise injury to the human body
142. se time measurement average time refresh rate internal processing time T6 x 4 Refer to Timing Details page 4 16 for the measurement average time refresh rate T5 and sampling rate T6 E Power ON reset time This is the period of time until measurement starts after turning on the power Power ON reset time approx 5 sec El Outside Dimensions Unit mm E Controller LK G3001V LK G3001VP looooooooooooJ G r 43 e 9 5 33 70 4 M4 screw depth 6 6 16 LK G M NO6 E 6 Specifications of the LK G Series LK G3001 LK G3001P DIN rail mounting portion De PC Je el 43 9 5 4 M4 screw depth 6 LK GD500 Panel cutout Panel thickness 0 5 to 5mm pe Semin L 100 106 min 45 5 13 Panel attachment ring LK G M NO6 E 6 17 6 Specifications of the LK G Series E Head LK G35 LK G35H LK G30 LK G30H LK G37 LK G37H LK G32 LK G32H Diffuse reflection setup 912 6 Regular reflection setup 43 97 500 r 13 26 Installation hole y 25 to 35 19 to 28 6 18 LK G M NO6 E 6 Specifications of the LK G Series
143. sseeeeees 2 10 LK G M NO2 E 24 2 Operations and Functions during Measurement Switching the Measurement Value Displays This section describes how to switch the measurement value display contents to switch displays OUT signal display OUT2 signal display OUT1 OUT2 dual display During measurement the following three types of display can be switched Press the A key Displays OUT1 and OUT2 at the same time default OUT DM oeo Dio om ju m eim Li OUT2 OHI OLO OTM rli ub I H ry A Displays OUT1 only Displays OUT2 only OUT1 DH OGO OLO OTM OUTI DH OGO OLO OTIM P3456 4 L Iu OUT2 OH OGO OLO OTM OUT2 DH OGO OLO OTM LH UY Reference gt The display type is retained for every program No 22 LK G M NO2 E 2 Operations and Functions during Measurement Setting the Tolerance Comparator Value This section describes how to read the tolerance comparator display and its setting procedure The Function of the Tolerance Settings HIGH and LOW comparator tolerance values can be set The measured value can be displayed and output in 3 steps when exceeding the HI comparator value HI when the value drops below the LOW comparator value LOW and when the value is betweenn the HI and LOW comparator values GO Comparator status Range Display HIGH HI comparator value HI LED lights and the measurem
144. standby status all digits have a negative 2 sign 0x100000 Over range at positive side OxOFFFFF Over range at negative side 0x100000 Alarm 0x100000 STROBE output Strobe output of the binary output Page 4 6 OUT1 OUT2 OUT output You can identify through which OUT number the data is Page 4 6 currently being output OFF OUT1 ON OUT2 OUT1 OUT2 SEL input Select the OUT number to output in binary Page 4 6 OFF OUT1 ON OUT2 4 8 LK G M NO4 E 4 Input Output Terminals Reference 7 How to read the binary output The LK G Series outputs the measurement value as a binary number two s complement of 21 bits The decimal point is ignored Example When the measurement value is 134 97 13497 decimal 0 0000 0011 0100 1011 1001 binary Example 2 When the measurement value is 134 97 e 13497 decimal gt 1 1111 1100 1011 0100 0111 binary LASER OFF input Name Description Reference page LASER OFF input Controls the laser for each head For NPN type the laser Page 4 6 is turned off when short circuited with COM and turned on when open For PNP type the laser is turned off when the voltage is applied and turned on when the circuit is open LASER OFF A controls the head A and LASER OFF B controls the head B Laser remote interlock input Name Description Reference page REMOTE This is the laser remote interlock terminal The laser beam Page 4 2 is emitted when th
145. surement Mode 3 25 Setting the Trigger Condition 3 31 LK G M NOO E Measuring with Offset 3 32 Setting the Unit and the Minimum Display Unit eee 3 33 Scaling the Analog Output 3 34 Outputting the Analog Output Without Holding 3 36 Setting the Common Function 3 37 List of Functions and Function Nos 3 37 List of Default Values and Setting Ranges 3 37 List of the Common Function Setting Screens 3 38 Setting the Sampling Rate of Measurement Value 3 39 Setting the Mutual Interference Prevention Function 3 40 Setting the External Timing Input 3 41 Setting the Output Form of the Tolerance Comparator 3 42 Setting the Strobe Output Time 3 43 Accumulating the Measurement Value in the Memory Data Storage Function 3 44 Setting the Operations of the Equipment Environment Settings 3 46 List of Functions and Function Nos 3 46 List of Default Values and Setting Ranges 3 47 List of the Environment Setting Screens 3 48 Setting the Communication Specifications of the RS 232C 3 49 Setting the Program Switching Method 3 50 Copying Initializing the Program 3 51 Preventing Erroneous Operation on the Panel Panel Lock 3 53 Reducing the Power Consumption Eco Mode 3 54 Chapter 4 Input Output Terminals Identifying
146. t Note The sampling rate will be doubled when two heads are connected and the sampling rate is set as 20 us Set the sampling rate to other than 20 us other than 20 us and 50 us for Transparent object 2 in the LK G155 G150 G157 G152 when one of the items from transparent object transparent object 2 and multi reflective object is selected in the measurement mode of the head T page 3 7 The sampling rate will be up to four times faster when the transparent object 2 is selected LK G M NO3 E 3 39 3 Function Settings Setting the Mutual Interference Prevention Function When two heads are connected and a little distance is left between them a measurement error may occur by receiving the light emitted from the other head The mutual interference prevention function is used in such a case When the mutual interference prevention function is set to ON the two heads emitt the laser beam alternately to evade the interference from the other When the measurement When measuring the thickness of the point is close transparent object 32N3A34 w Iv z wu Em Xx E Setting procedure of the mutual interference prevention function 1 Hold down the str key and select PE an with the A key our cu co cio mm Set the common settings g PH inn OUT2 OHI OGO OLO OTM 2 Press the en key and select the function b with the gt key C Set the mutual interference prevention function H HE OL L dE
147. t parator Analog current NC parator RESET value Pt P2 P3 Normal Measure Compar Voltage ON Compar Mea Valid Valid Mea g D ment ator result cur ator Sure sure c result rent result ment ment S oO o0 3 corre value con o3 El spond trol gs 3 ing to com g e the mand 9 oO o mea 5 2 sure S o oo ment o B value S 2 co Over range at FFFFFF HI 10 8 V HI 1048575 Invali FE positive 20 64 OxOFFF d g Ss Side mA FF oc Sm Over range at fFFFFF LO 10 8 V LO 1048576 S 3 negative 3 36 0x1000 z side mA 00 Alam Dur HOLD HOLD Valid S 3 ing e hold 8 Dur FFFFFF LO 10 8 V OFF LO 1048576 Invalid E ing 3 36 0x1000 alarm mA 00 Comparator All ON All standby OFF OFF During RESET processing Dark Bright Enters the alarm state 6 14 LK G M NO6 E 6 Specifications of the LK G Series Display Panel Output Input RS USB Measure Com Anaog otage JALARM Com Binary TIMING Izero 94 ment parator Analog current NC parator RESET value P1 P2 P3 Setting mode Setting Depen HOLD HOLD HOLD HOLD Invali Invali Error Error item ding d d on set ting Communi RS COM All Change cation 232C OFF parame mode com ter com muni mand cation USB Error 39 com E muni a cation 0 9 95 Error Error 10 8V OFF All 1048576 Error indica 3 36 OFF 0x100000 tion mA When p
148. t the reference distance 3 The value when measuring the KEYENCE standard target ceramic When the sampling rate is 20 us the value becomes 22 NEAR side to 40 mm NEAR side at the time of the diffuse reflection and 22 NEAR side to 39 mm NEAR side at the time of the regular reflection LK G M NO6 E 6 Specifications of the LK G Series B LK G157 LK G152 Model LK G157 LK G152 Setting mode Diffuse reflection Regular reflection Reference distance 150 mm 147 5 mm Measurement range 3 40 mm 39 mm Light source Red semiconductor laser Wavelength 650 nm visible light class 3R IEC60825 1 class Illa CDRH Output Spot diameter at reference dis tance 0 95 mW max About 120 x 1700 um G157 About 26120 um G152 Linearity 1 0 05 of ES ES 40 mm Resolution power 2 Sampling rate 0 5 um 20 50 100 200 500 1000 us Selectable among six steps LED indication Near the center of measurement range Lights in green Within the measurement range Lights in orange Outside the measurement range Flashes in orange Temperature characteristics 0 01 of ES C ES 40 mm Environmental Enclosure rat IP67 IEC60529 resistance ing Operating Incandescent lamp or fluorescent lamp 5000 lux max ambient light Operating 0 to 50 C ambient tem perature Operating 35 to 8596 RH No condensation ambient
149. t time T1 is 600 ps The input response time T2 RESET time T4 refresh rate T5 sampling rate T6 and program No change time T7 vary depending on the settings Refer to page 4 17 The STROBE time T3 at the time of hold can be changed Refer to page 3 43 Auto zero is canceled when the ZERO input is turned on for two seconds or more This is the chart of when the average number of times is 4096 At this time the refresh rate T5 equals the sampling rate T6 When the average number of times is 16384 65536 or 262144 the refresh rate exceeds the sam pling rate T6 However the STROBE output is outputted at the sampling rate 4 12 LK G M NO4 E 4 Input Output Terminals Peak hold bottom peak to peak hold average hold sample hold trigger 1 ON i d i j i Comparator outpu OFF i X i K ON i Binary outpu OFF i i X X i X X Do Oami T3 i i ON i j STROBE outpu OFE na Min Min T1 i A oe ee ae gt noi i f ON i TIMING inpu OFF M i amp 3 8 5 MinTi MinT1 RESET oN MaxT2 i MaxT2 i ZERO input orf j Sampling _ peirod Sampling At Trigger 1 f 7 S47 sal i i d peirod Sampling MaxT2 iSamplin Min MT At Trigger 2 T4 peirod ii T4 peirod BN ON P1 to P3 inputs OFF X Max T The minimum input time T1 is 600 us
150. ten specifications state otherwise Should any Products Samples be used in such a manner or misused in any way KEYENCE assumes no responsibility and additionally Buyer will indemnify KEYENCE and hold KEYENCE harmless from any liability or damage whatsoever arising out of any misuse of the Products Samples 4 OTHER THAN AS STATED HEREIN THE PRODUCTS SAMPLES ARE PROVIDED WITH NO OTHER WARRANTIES WHATSOEVER ALL EXPRESS IMPLIED AND STATUTORY WARRANTIES INCLUDING WITHOUT LIMITATION THE WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT OF PROPRIETARY RIGHTS ARE EXPRESSLY DISCLAIMED IN NO EVENT SHALL KEYENCE AND ITS AFFILIATED ENTITIES BE LIABLE TO ANY PERSON OR ENTITY FOR ANY DIRECT INDIRECT INCIDENTAL PUNITIVE SPECIAL OR CONSEQUENTIAL DAMAGES INCLUDING WITHOUT LIMITATION ANY DAMAGES RESULTING FROM LOSS OF USE BUSINESS INTERRUPTION LOSS OF INFORMATION LOSS OR INACCURACY OF DATA LOSS OF PROFITS LOSS OF SAVINGS THE COST OF PROCUREMENT OF SUBSTITUTED GOODS SERVICES OR TECHNOLOGIES OR FOR ANY MATTER ARISING OUT OF OR IN CONNECTION WITH THE USE OR INABILITY TO USE THE PRODUCTS EVEN IF KEYENCE OR ONE OF ITS AFFILIATED ENTITIES WAS ADVISED OF A POSSIBLE THIRD PARTY S CLAIM FOR DAMAGES OR ANY OTHER CLAIM AGAINST BUYER In some jurisdictions some of the foregoing warranty disclaimers or damage limitations may not apply BUYER S TRANSFER OBLIGATIONS If the Products Samples purchased by Buyer are to
151. terface to set or cancel the auto zero function Refer to Chapter 5 RS 232C page 5 1 LK G M NO2 E 27 2 Operations and Functions during Measurement Program Function Eight Programs can be switched among Program Nos 0 to 7 in the LK G Series Register the setting contents that correspond to a measuring target as programs in advance By calling up a program as desired you can easily change the program Program No Head Settings OUTI OHI OGO OLO OTM ue oO rn HEHg H NE OH OGO OLO OTM COd hb rcl OUT Settings LZ OUTI DH OGO OLO OTM Hil I owe I OUTi1 OH OGO OLO O a WLI Common Settings OUTI DH OGO OLO OTM Ol ore wn Environment Settings is not saved in the program 2 8 LK G M NO2 E 2 Operations and Functions during Measurement Switching Program Nos This section describes the Program No switch function which can easily change the operation settings E Display panel 1 Press the key OUT DH OGO OLO OTM The program selection screen appears D Lu c OUT2 OHI OGO OLO OTM Dp rl 2 Select a program No by using the A key rnncu 3 Press the vr key to register it and return to the measurement state B External input terminal Program No can be changed by using the P1 P2 and P3 of the expansion connector Refe
152. that leads to the unit and its accessories Not following this caution may result in damage Do not turn off the power while setting items The data being set or all the data may be lost Do not block the vent holes on the unit Increase of internal temperature may cause failure Installation environment To use the LK G Series correctly and safely avoid installing it in the following locations doing so may lead to breakdown of the unit Location that is humid dusty or poorly ventilated Location with a high temperature such as a place exposed to direct sunlight Location where there are flammable or corrosive gases Location where the unit may be directly subjected to vibration or impact Location where water oil or chemicals may splash onto the unit Location where static electricity is easily generated Corrective action for noise Do not install the LK G Series near a power source or high voltage cable otherwise noise may cause the LK G Series to malfunction Take corrective action for noise by using noise filters laying cables separately and or installing insulation on the controller and the measuring unit Use the single core shielded cable for the analog output cable Influence of ambient temperature A change in the ambient temperature may cause the measurement to fluctuate Be sure to keep it stabilized When the ambient temperature changes by 10 C it takes 60 minutes for the distribution of internal tempera
153. the value the current measurement value is inputted If it is pressed for three seconds the default value is inputted LK G M NO3 E 3 21 3 Function Settings Stabilizing the Measurement by Filtering The following three types of function can be set for the filter function Function No Filter name Function C O Aub Average Performs moving average of the measurement value Sets the number of times of averaging C i LPF Low pass filter Cuts extreme changes and only captures moderate 3 fluctuations Set the cutoff frequency L 28 HPF High pass filter Cuts moderate fluctuations and only captures extreme changes Set the cutoff frequency B Averaging function Performs moving average of the measurement value within the range of 1 to 262144 times The following is the example of the process when an averaging value of four is set I 1 Sampling rate Measurement time for averaging mr I M i i i ee CRUS E GG Outputs data B by averaging data to I PM em m em 1 i 1 i 1 3 4 Outputs data A by averaging data 0 to it 1 Internal data 1 Measurement time s for averaging a Outputs data C by averaging data to E Output data NE Refresh Refresh rate rate The sampling rate measurement time for averaging and refresh rate vary depending on the settings Refer to Response Delay Time 6 16 page 3 22 LK G M NO3 E 3 Funct
154. to transmission in the Environment set ting is set other than OFF page 3 49 Refer to Functions of the Input and Output Signals page 4 7 for details of binary output f the TIMING input becomes ON during the RESET processing the comparator standby status the display shows 7 7 7 7 7 is displayed When the internal measurement value becomes the alarm state the measurement result varies depending on the settings of the alarm process With hold The measurement result is outputted by using the value immediately before the retained value Without hold The measurement value is outputted while ignoring the alarm state period at the time of peak hold When the whole sampling period is in the alarm state the alarm FFFFFF becomes the measure ment result At the time of other than peak hold the alarm FFFFFF becomes the measurement result Reference The TIMING input and RESET input can be controlled using the RS 232C page 5 8 Setthe average filter the number of times for averaging to 1 if the measurement mode is set to average hold When the mode is set without the alarm hold and a large value is set for the average number of times the measurement result may not trigger an alarm Check the alarm output to ensure that the alarm state is properly recognized 3 28 LK G M NO3 E 3 Function Settings E Sample and hold Trigger 1 Measurement value Sample and hold measurement value 1 Internal measurem
155. ts signal to external devices output 6 Not used Do not use the unused terminal Doing so may lead to breakdown of the unit Communication Specifications EIA RS 232C compliant Modem definition Communication method Full duplex Synchronization method Start stop synchronous Transmission code ASCII Data length 8 bits Stop bit length 1 bit Parity check None Even Odd Baud rate 9600 19200 38400 57600 1 15200 bps Data delimiter CR Flow control None Refer to Setting the Communication Specifications of the RS 232C page 3 49 for setting the communication specifications 5 2 LK G M NO5 E 5 RS 232C Communication Performance and Communication Mode in the Measurement State Normal During Receives the measurement control command mode measurement Commands such as for writing or reading the setting values are not accepted During tolerance Communication is not accepted function setting The measurement stops Communicati Upon receiving the command Q 0 or CR the mode on mode changes to the communication mode and the setting values are written or read The measurement stops during the communication mode Complete the series of input or output of commands before moving to the tolerance or function settings from the measurement state Overview of the Settings According to External Devices Perform Auto transmission settings according to the extern
156. ture to equalize Operating ambient light intensity level Do not use the LK G Series near a lighting system that repeatedly and rapidly turns on and off If it is unavoidable to use the unit in such a place install a light shielding board or the like so that the light will not affect the measurement Warming up Before using the LK G Series wait approximately 30 minutes after the power is turned on Otherwise the measured value may gradually fluctuate because the circuit is not immediately stable after the power is turned on LK G M NOO E N Influence of dust or dirt The measurement may fluctuate due to dirt dust or fluid such as water or oil in the following cases Adhesion on the protection glass Blow the dirt off with clean air If dirt persists wipe the glass surface gently using a soft cloth moistened with alcohol Adhesion on the surface of the measuring target Blow the dirt off with clean air or wipe it off Intrusion of floating or sprinkled dust or dirt into the light axis range In this case take corrective action with a protective cover or air purge Influence of vibration When the measuring target is vibrating the measured value may fluctuate In this case increase the average number of times of measurement to achieve a more accurate value Measuring target The measured value may fluctuate if the shapes or surfaces of the measuring targets vary In this case use a known target and perform appropriat
157. ut 4 8mW Wavelength 650nm CLASS 3R LASER PRODUCT IEC 60825 1 A2 2001 IEC French A EVITEZ L EXPOSITION Rayonnement laser mis cet endroit RAYONNEMENT LASER EVITEZ TOUTE EXPOSITION DIRECT DES YEUX Puissance mise max 4 8mW Longueur d onde 650nm APPAREIL LASER DE CLASSE 3R IEC 60825 1 A2 2001 GB Simplified Chinese A AXA ie Se MABO StH BOTE RD EC ARM TS UG DEED ERROR 4 8mW 650nm SA3SMOEP E GB7247 1 2001 LK G37 LK G32 LK G157 LK G152 FDA CDRH IEC English LASER RADIATION AVOID EXPOSURE C TION DO NOT STARE INTO BEAM LASER RADIATION Maximum output 0 95mW LASER RADIATION DO NOT STARE INTO BEAM IS EMITTED FROM Mesa LASER Wavelength mE THIS APERTURE WAVELENGTH 650nm CLASS 2 LASER PRODUCT MAXIMUM OUTPUT 0 95mW CLASSII LASER PRODUCT IEC EN 60825 1 A2 2001 IEC German IEC French LASER STRAHLUNG RAYONNEMENT LASER NICHT IN DEN STRAHL BLICKEN NE PAS REGARDER DANS LE FAISCEAU Maximum Leistung 0 95mW Puissance mise max 0 95mW Wellenlange 650nm Longueur d onde 650nm LASER KLASSE 2 APPAREIL LASER DE EEG 2 DIN EN 60825 1 A2 2001 IEC 60825 1 A2 20 JIS Japanese GB Simplified Chinese LL H E L OFEAEBUTE RAW 0 95mW BR 650nm 22A2 V YRm JIS C6802 1997 BRS WARR AH 0 95mW iK 650nm 2358 DET n GB7247 1 2001 LK G15 LK G10 FDA CDR
158. wer 2 Sampling rate 0 05 um 0 01 um 20 50 100 200 500 1000 us Selectable among six steps LED indication Near the center of measurement range Lights in green Within the measurement range Lights in orange Outside the measurement range Flashes in orange Temperature characteristics 0 01 of FS C ES 5 mm Environmental Enclosure rat IP67 IEC60529 resistance ing Operating Incandescent lamp or fluorescent lamp 10000 lux max ambient light Operating 0 to 50 C ambient tem perature Operating 35 to 8596 RH No condensation ambient humidity Vibration resis 10 to 55 Hz double amplitude 1 5 mm tance 2 hours for each of XYZ axes Material Aluminum die cast Weight including cable Approx 280 g 1 The value when measuring the KEYENCE standard target ceramic in the standard mode 2 The value when measuring the KEYENCE standard target SUS 4096 times average at the reference distance The value in parenthesis indicates the typical value when measured with the number of averaging times of 16384 3 When the sampling rate is 20 us the value becomes 1 8 FAR side to 5 mm NEAR side at the time of the diffuse reflection and 1 6 FAR side to 4 5 mm NEAR side at the time of the regular reflection LK G M NO6 E 6 Specifications of the LK G Series E LK G35H LK G30H Model LK G35 LK G30H Setting mode Diffuse reflection Regular ref
159. y damage in the event of a problem occurring Do not attempt to open or modify the LK G Series or use it in any way other than as described in the specifications If the LK G Series is modified or used other than as described the warranty will be voided When the LK G Series is used in combination with other devices functions and performance may be degraded depending on the operating conditions and surrounding environment Do not use the LK G Series for the purpose of protecting the human body Do not allow the temperature to change sharply around the LK G Series including the accessories Otherwise condensation may lead to malfunction A WARNING Follow the safety precautions below to ensure safe operation Apply the correct power voltage Failure to do so may cause fire electric shock or malfunction Do not attempt to disassemble or modify the unit Doing so may cause fire or electric shock Handling abnormalities Turn off the power immediately in the following cases Using the unit in an abnormal condition could cause fire electric shock or accident Contact the nearest KEYENCE office for repair If liquid including water chemicals or debris enters the unit If the unit is dropped or the case is damaged If abnormal smoke or odor is present LK G M NOO E N CAUTION Follow the safety precautions below to ensure safe operation Be sure to turn the power off when you plug unplug the cable

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