LRFS(HYKOL) LRFS(HYKOL)-0040-1/2 -0040
Contents
1. 3 mA Negative alarm hysteresis HIGH RE lt RB current 21 mA 2 Positive alarm hysteresis HIGH RE gt RB current 21 mA Negative alarm hysteresis LOW RE lt RB current 3 mA Table 5 Digital switching output and analog output for SE 0 1 and 2 LRFS HYKOL 0040 1 2 n1 DOC Page 20 of 32 16 04 2009 17 00 4 2 13 AC Display set ALARM center Standard setting 1000 AC corresponds to the distance on identification of which the switching output switches AC must be defined taking into consideration the currently valid scale factor SF value As soon as the predefined distance threshold is negatively or positively exceeded the alarm output will switch from HIGH to LOW or vice versa with a certain delay as set under alarm hysteresis AH see 5 3 Digital Switching Output 4 2 14 AH Display set ALARM hysterese Standard setting 0 1 AH sets the switching hysteresis of the switching output AH must be selected so it is properly matched to the currently valid scale factor SF As soon as the predefined distance threshold is negatively or positively exceeded the alarm output will switch from HIGH to LOW or vice versa with a certain delay as set under alarm hysteresis AH see 5 3 Digital Switching Output 4 2 15 AW Display set ALARM width Standard setting 100000 AW sets the length of the active range beginning at AC AW settings must be made in agreement with the currently valaid SF scale factor AW is alw2. DS 7 m distance tracking 4 2 3 DW Distancetracking with cooperative target 10Hz 4 2 4 DX Distancetracking with cooperative target 50Hz 4 2 5 DF Distance measurement with external trigger 4 2 6 DM Distance measurement 4 2 7 TP Internal temperature C 4 2 8 SA Display set average value 1 20 4 2 9 SD Display set display format d h 4 2 10 ST Display set measure time 0 25 4 2 11 SF Display set scale factor 4 2 12 SE Display set error mode 0 1 2 4 2 13 AC Display set ALARM center 4 2 14 AH Display set ALARM hysterese LRFS 0040 1 2 n1 DOC Page 3 of 32 10 10 11 12 14 15 16 16 16 17 17 17 17 17 18 18 18 19 19 20 20 16 04 2009 17 00 4 2 15 4 2 16 4 2 17 4 2 18 4 2 19 4 2 20 4 2 21 4 2 22 4 2 23 4 2 24 4 2 25 4 2 26 4 2 27 4 2 28 AW Display set ALARM width RB Display set distance of Iout 4mA RE Display set distance of Iout 20mA RM Remove measurement TD Display set trigger delay 0 9999ms trigger level 0 1 TM Display set trigger mode 0 1 trigger level 0 1 BR Display set baud rate 2400 38400 AS Display set autostart command DT DS DW DX DF DM TP LO OF Display set distance offset SO Set current distance to offset offset distance LO Laser on LF Laser off PA Display settings PR Reset settings 5 OPERATING MODES 5 1 RS232 5 2 RS422 5 3 Digital Switching Output 5 4 Analog Output 5 5 Trigger Input 6 ERROR MESSAGES 7 SERVICE MAINTENANCE
3. Enter AWx x Enter RB Enter RBx x Enter RE Enter REx x Enter RM Enter RMx y y z Enter TD Enter TDxx x Enter TM Enter TMx y Enter BR Enter BRxxxx Enter AS Enter ASdd Enter OF Enter OFx x Enter SO Enter LO Enter LF Enter PA Enter PR Enter distancetracking distancetracking 7m distancetracking with cooperative target 10Hz distancetracking with cooperative target 50Hz distance measurement with external trigger distance measurement internal temperature C display set average value 1 20 display set display format d h display set measure time 0 25 display set scale factor display set error mode 0 1 2 0 Iout const ALARM const 1 Iout 3mA RE gt RB 21mA RE lt RB ALARM OFF AH gt 0 ON AH lt 0 2 Iout 2imA RE gt RB 3mMA RE lt RB ALARM ON AH gt 0 OFF AH lt 0 display set ALARM center display set ALARM hysterese display set ALARM width display set distance of Iout 4mA display set distance of Iout 20mA remove measurement display set trigger delay 0 9999ms trigger level 0 1 display set trigger mode 0 1 trigger level 0 1 display set baud rate 2400 38400 display set autostart command DT DS DW DX DF DM TP LO ID display set distance offset set current distance to offset offset distance laser on laser off display settings reset settings Figure 7 Start protocol of connection establishment LRFS HYKOL 0040 1 2 n1 DOC Page 16 of 32 16 04 2009 17 0
4. L H AH H H H L L L L H H H Distance m decreases 11 3 11 2 11 1 11 0 10 9 10 8 TOLD 99 9 8 AH L L L L H H H H H L AH H H H L L L L L H L LOW H HIGH How the switching output is to behave on occurrence of an error message E15 E16 E17 E18 can be defined by making suitable settings under SE see 4 2 12 5 4 Analog Output Figure 19 Wiring diagram of analog output LRFS HYKOL 0040 1 2 n1 DOC Page 28 of 32 16 04 2009 17 00 The analog output is designed to allow normalized analog distance data transmission over greater length via a two wire cable The current which is injected into the cable is proportional to the measured target distance This applies within a distance interval that is marked by the two limiting parameters Range Begin RB and Range End RE see 4 2 14 und 4 2 15 where RE may be greater or smaller than RB The output current value is calculated according to this equation Distanz RB RE gt RB IOUT mA 4 mA 16 ma RE RB Distanz R RE lt RB OUT mA 20 ma 16 A RB RF If RB is negatively exceeded in RE gt RB direction or positively exceeded in RE lt RB direction by the actual distance value the analog output current will be 4 mA If RE is positively exceeded in RE gt RB direction or negatively exceeded in RE lt RB direction by the actual distance value the analog output
5. current will be 20 mA mA 21 SE 2 20 RB gt RE RB lt RE 4 3 SE 1 0 Dist Figure 20 Output current diagram for RE gt RB and RE lt RB To match analog output behavior in the event of an error message E15 E16 E17 E18 appropriate settings can be mathed to 3 mA or 21 mA with the help of parameter SE 4 2 12 LRFS 0040 1 2 n1 DOC Page 29 of 32 16 04 2009 17 00 5 5 Trigger Input Figure 21 Wiring diagram of trigger input The trigger input is intended for triggering a distance measurement with an external signal that is applied as a voltage pulse between 3 V and 24 V It is for the user to specify a desired delay time and a pulse flank to be selected for synchronization see 4 2 16 Having done this he she must switch the LRFS HYKOL 0040 1 2 to trigger mode DF LRFS HYKOL 0040 1 2 n1 DOC Page 30 of 32 16 04 2009 17 00 6 Error Messages Code Description Action for removal E15 Excessively poor reflexes Use target board observe minimum requirement on Distance LDM41 42 Front edge target measuring distance gt 0 1 m lt 0 im E16 Excessively strong reflexes Use target board E17 Too much steady light e g sun Reduce ambient light at target Reflecting objects remove or cover E18 Only in DX mode too much difference Check path from distance meter to target being between measured and pre calculated value measured for obstacles E19 O
6. pack Features consistently low power consumption of lt 1 5 W without IAlarm Up to 30 m reach for distance measurement with potential for more than 100 m reach if additional reflectors are mounted onto the target depending on reflectance and environmental conditions Visible laser beam for easier sighting RS232 interface port for input of measuring functions and commands from and output of measured values to a PC or a laptop Switching output and analog output are separately programmed Switching output with adjustable limit to indicate positive and negative excession of preselectable distance range window by sighting distance Measured values can be displayed in meters decimeters centimeters feet inches due to Option for remote triggering of a measurement from an external trigger device The LRFS HYKOL 0040 1 2 measuring module is shipped in a rugged cardboard box with adequate padding for safe transportation LRFS 0040 1 2 n1 DOC Page 5 of 32 16 04 2009 17 00 2 Safety Instructions 27 Basic Notes These safety and operating instructions should be carefully read and followed during practical work with the LRFS HYKOL 0040 1 2 There is danger of laser radiation or electrical shock For necessary repair work the LRFS HYKOL 0040 1 2 may not be opened by anyone other than Manufacturer personnel Unauthorized intervention into the inner product space will void any warranty claims Compliance with al
7. 0 4 2 In the 4 2 1 4 2 2 4 2 3 Commands and their Functions Command entries are not case sensitive This means that small and capital lettering can be used for commands Any command which is to be sent to the sensor must be terminated by a hexadecimal ODh carriage return character Where decimal digits are to be entered they must be separated by period 2Eh For command paramater entries one must distinguish between parameter settings and parameter queries Querying is achieved with a command in simple format e g for alarm center parameters AC Enter For parameter setting a new value must be added after the command with no delimitation sign in between for example AC20 8 Enter given example the alarm center will be set to 20 8 DT Distancetracking Input parameter SA SD SE SF ST OF Output RS232 RS422 digital switching output analog output DT mode can be chosen for distance measurement of different kinds of surfaces varying reflectance In this type of distance tracking mode the LRFS HYKOL 0040 1 2 uses internal algorithms to continuously evaluate the quality of the laser radiation signal that is coming back This may cause longer measuring times in the case of poor reflectance or sudden jumps in distance The minimum time to measure is 160 ms the maximum time is 6 s If the measuring signal fails to reach a specified quality within six seconds an error message is output The time to measure m
8. 20 SD Queries sets output format dec hex ST Queries sets time to measure 0 25 SF Queries sets scale factor SE Queries sets error mode 0 1 2 AC Queries sets alarm center AH Queries sets alarm hysteresis AW Queries sets alarm width RB Queries sets beginning of range 4 mA RE Queries sets end of range 20 mA RM Remove of not valid measurements TD Queries sets trigger delay Queries sets trigger mode BR Queries sets baud rate AS Queries sets autostart OF Queries sets offset SO Sets current distance as offset LO Turns laser on LF Turns laser off PA Displays all parameter values PR Resets all parameters to standard values LRFS HYKOL 0040 1 2 n1 DOC Page 14 of 32 16 04 2009 17 00 Table 3 Short overview of communications protocol LRFS 0040 1 2 n1 DOC Page 15 of 32 16 04 2009 17 00 4 1 Online Help Once communication has been established with a PC as described above an online help tool can be called up by triggering an ID Enter or id Enter command at the keypad Its purpose is to support work with distance measurement and parameterization commands Enter corresponds to hexadecimal ODh carriage return DT Enter DS Enter DW Enter Dx Enter DF Enter DM Enter TP Enter SA Enter SAxx Enter SD Enter SDxx Enter ST Enter STxx Enter SF Enter SFx x Enter SE Enter SEx Enter AC Enter ACx x Enter AH Enter AHx x Enter AW
9. 422 receive data B Brown RxD RS232 receive data RX RS422 receive data C Green TRIG External TRIG External trigger input trigger input D Yellow IOUT Analog output IOUT Analog output E Grey n C TX RS422 send data F Orange n C TX RS422 send data G Blue UV Supply voltage UV Supply voltage H Red ALARM Digital switching ALARM Digital switching output output J Black GND Signal ground GND Signal ground K Violet n c n C L White brown GND Supply ground GND Supply ground M White black n c n C Table 2 Pinout assignments GND wires are connected to an internal collective ground point They provide the reference potential for all voltage values quoted below If input signals are applied to an output port this may damage the LRFS HYKOL 0040 1 2 For data communication via RS232 you are recommended to use cable 9 black GND for signal ground and cable 11 white brown GND for supply ground The limiting values of voltages load rates and logic levels are in accordance with RS232 and RS422 standard requirements All outputs are protected against steady short circuit currents Please watch carefully on the appropriate connection of the cables 3 7 Interface Cable Caution Both cable ends are exposed The user is responsible to take precautions that will prevent any kind of shorts For interface cable wire assignments refer to Table 2 The interface cable can be provided in 2
10. LRFS HYKOL 0040 1 2 User Manual Dear User You are advised to read this User Manual carefully before you start using the LRFS HYKOL 0040 1 2 laser distance measurement module This is necessary to ensure that you will be able to utilize all the capabilities which your new acquisition provides This technology is subject to continuously ongoing development Editorial deadline January 2008 NOTE No part of this User Manual may be reproduced in any way by print photocopying microfilm or any other technique without prior written approval by ENGINEERING nor may it be processed duplicated or disseminated with the help of electronic systems Proper care has been used in compiling this document No liability will be accepted in the event of damage resulting from failure to comply with the information contained herein LRFS HYKOL 0040 1 2 n1 DOC Page 2 of 32 16 04 2009 17 00 Table of Contents 2 1 2 2 2 3 2 4 2 5 2 6 3 3 1 3 2 3 3 3 4 3 5 3 6 3 7 4 4 1 4 2 GENERAL SAFETY INSTRUCTIONS Basic Notes Intended amp Conforming Use Nonconforming Use Laser Classification Electric Supply Important Operating Advice TECHNICAL DATA Laser Measuring Performance Interface Environment amp Ambient Conditions Mechanical Mounting Conditions Electrical Mounting Conditions Interface Cable COMMUNICATION PROTOCOL Online Help Commands and their Functions 4 2 1 DT Distancetracking 4 2 2
11. WARRANTY 20 20 20 21 22 22 23 23 23 24 24 24 24 24 25 25 26 26 27 29 30 31 LRFS HYKOL 0040 1 2 n1 DOC Page 4 of 32 16 04 2009 17 00 1 General The LRFS HYKOL 0040 1 2 is a laser range finder to measure distances from 0 1 m to more than 100 m with pinpoint accuracy A given target can be clearly identified with the help of a red laser sighting point In terms of operating reach the LRFS HYKOL 0040 1 2 performs depending on the reflectance morphology and qualities of the target to be measured The range finder works based on comparative phase measurement It emits modulated high frequency light which is diffusely reflected back from the target with a certain shift in phase to be compared with a reference signal From the amount of phase shift a required distance can then be determined with millimetre accuracy A distance measuring cycle can be triggered in three different ways By sending a command from the PC or another equivalent control unit By making appropriate prior parameter settings for the autostart command and applying supply voltage By external triggering in remote trigger mode Using the autostart trigger function Special performance features are Provides high accuracy and great reach under extreme outdoor temperatu res Works in a wide range of operating voltages from 10 V to 30 V from an on board vehicle supply point an industrial direct voltage supply net or a DC power
12. acts etc the casing has a special equalizer tube attached to it This tube can be extended or removed as necessary to meet the customer s operating needs Please note that measurement cannot be guaranteed to function correctly if the equalizer tube is removed by unqualified action LRFS HYKOL 0040 1 2 n1 DOC Page 10 of 32 16 04 2009 17 00 Figure 2 Offset against zero edge The LRFS HYKOL 0040 1 2 s zero point is located 7 mm behind the outer surface of the front cover or 137 mm before the back cover outside face respectively This zero point has been introduced for constructional design reasons It can be compensated with the help of parameter OF see section 4 2 19 OF display set distance offset 3 6 Electrical Mounting Conditions Located on the back cover is a connector terminal A 12 pole round type flange mount series 723 connector from Binder has been selected for this purpose It is sealed against the casing to comply with IP 65 requirements This connector type guarantees optimized screening and a high IP degree The required counterpart is a cable jack series 423 from Binder with grading ring A cable set with open ends is optionally available Figure 3 View of LRFS HYKOL 0040 1 2 pole assignments LRFS 0040 1 2 n1 DOC Page 11 of 32 16 04 2009 17 00 Pin Interface cable LRFS HYKOL 0040 1 2 LRFS HYKOL 0040 1 2 RS232 RS422 A White TxD RS232 send data RX RS
13. ay also be limited by setting the ST parameter to a desired value DS 7 m distance tracking Input parameter SA SD SE SF ST OF Output RS232 RS422 digital switching output analog output Operation in DS mode makes sense where different types of surfaces have to be measured at close range up to 7 m Compared to DT measuring mode it allows a higher measurement rate Within the range from 0 1 m to 0 5 m measuring accuracy is restricted Measuring time time to measure can be limited via ST parameter settings DW Distancetracking with cooperative target 10Hz LRFS 0040 1 2 n1 DOC Page 17 of 32 16 04 2009 17 00 Input parameter SA SD SE SF OF Output RS232 RS422 digital switching output analog output DW mode performs at a steady measuring rate of 10 Hz LRFS HYKOL 0040 1 only The selected object must have a white target board for measured values to be stable 4 2 4 DX Distancetracking with cooperative target 50Hz Input parameter SA SD SE SF OF Output RS232 RS422 digital switching output analog output DX mode performs at a steady measuring rate of 50 Hz LRFS HYKOL 0040 2 only The selected object must have a white target board for measured values to be stable 4 2 5 DF Distance measurement with external trigger Input parameter SD SE SF ST OF TD Output RS232 RS422 digital switching output analog output DF mode allows a measurement that is triggered by an external trigger pulse Initially after select
14. ays equal or greater than 0 zero AW is always equal or greater than AH the amount of AH refer to section 5 3 Digital switching output 4 2 16 RB Display set distance of Iout 4mA Standard setting 1000 RB Range Begin defines the point of a distance range at which the analog output will begin to deliver varying distance readings At a distance of RB the output current will be 4 mA RB must be selected so it is properly matched to the currently valid scale factor SF setting RB can be smaller or greater than RE see 5 4 Analog output 4 2 17 RE Display set distance of Iout 20mA Standard setting 2000 RE Range End defines the point of a distance range at which the analog output will cease to deliver varying distance readings At a distance of RE a current of 20 LRFS 0040 1 2 n1 DOC Page 21 of 32 16 04 2009 17 00 mA will be output RE must be selected so it is properly matched to the currently valid scale factor SF value RE can be greater or smaller than RB see 5 4 Analog output 4 2 18 RM Remove measurement RMx_y y_z Remove Measurement x Number of the above measuring values which should be default 0 0 lt x lt 10 considered in case of a differing measuring y max permissible value range two following measuring default 0 0 lt y y lt max values can jump in between If this value will fall below or beyond a measuring value correction will be done automaticall
15. ces may deliver faulty results Measurement performed through transparent optical media for example glass optical filters plexiglass etc may equally produce incorrect results Rapidly changing measuring conditions are likely to falsify the result of measurement LRFS HYKOL 0040 1 2 n1 DOC Page 6 of 32 16 04 2009 17 00 24 Laser Classification The LRFS HYKOL 0040 1 2 is a class 2 laser product as stipulated in IEC825 1 DIN EN 60825 1 2001 11 and a class II product under FDA21 CFR In the event of accidental short time laser exposure the human eye is sufficiently protected by its own optico facial winking reflex This natural reflex may be impaired by medication alcohol and drugs Although the product can be operated without taking special safety precautions one should refrain from directly looking into the laser beam Do not direct the laser beam onto persons Caution There is class 2 laser radiation Do not look into the beam 25 Electric Supply Use only 10 V to 30 V direct voltage for LRFS HYKOL 0040 1 2 operation Use only the specially designated connector terminal for voltage supply Specified signal levels must not be exceeded in order to guarantee correct data communication 26 Important Operating Advice To make full use of the system s inherent performance capabilities and achieve a long service life you should always follow these operating rules Do not turn the module on if there is fogging or soili
16. cession of a threshold value To do this parameter settings for a measurement window are required Settings for this window can be made via the three parameters Alarm Center AC Alarm Hysteresis AH and Alarm Width refer to sections 4 3 13 to 4 3 15 The range which will be subject to monitoring begins at AC and ends at AC AW Switching transitions can be set via parameter AH The logic state of the switching output follows from the mathematical sign of AH In the case of a positive AH the output switches with increasing distance e from LOW to HIGH if the distance is found to be greater than AC AH 2 e from HIGH to LOW if the distance is found to be greater than AC AW AH 2 with decreasing distance e from LOW to HIGH if the distance is found to be smaller than AC AW AH 2 e from LOW to HIGH the distance is found to be smaller than AC AH 2 In the case of a negative AH the output switching pattern will be inverse LRFS 0040 1 2 n1 DOC Page 27 of 32 16 04 2009 17 00 AH AH HIGH LOW LOW HIGH AC AW Figure 18 Digital switching output behavior with positive and negative hysteresis Example Dist gt A moving object is assumed to be monitored within a window of 10 m to 11 m with a hysteresis of 0 2 m AC 10 AHO 2 AW1 Distance m increases 98 9 9 10 0 10 1 10 2 11 0 11 1 11 2 11 3 AH L L H H H H L
17. ecessary to electrically isolate the LRFS HYKOL 0040 1 2 casing in order to prevent ground loops z J GNC LRFS 0040 1 2 n1 DOC Page 13 of 32 16 04 2009 17 00 Figure 6 Correct screening of LRFS HYKOL 0040 1 2 4 Communication Protocol The easiest way to trigger and parameterize the LRFS HYKOL 0040 1 2 is by using a PC with RS232 communication port see 5 1 RS232 and a terminal program The communications protocol is available in ASCII format Before an operating session begins desired parameter settings can be made in a smart selection procedure until the measuring module is optimally adapted to the particular measuring site conditions and the measuring job All valid settings will be preserved on turning the LRFS HYKOL 0040 1 2 off They can only be replaced with new value entries or changed back to their standard values by running an initialization routine The following is a short overview of the communications protocol Command Description DT Starts distance tracking DS Starts distance tracking 7 m DW Starts distance tracking on white target at 10 Hz DX Starts distance tracking on white target at 50 Hz only LRFS HYKOL 0040 2 DF Starts remote triggered single distance measurement single shot DM Starts single distance measurement single shot TP Queries inner temperature SA Queries sets floating average value 1
18. ent is facilitated by the visible laser beam of the LRFS HYKOL 0040 1 2 It can easily be turned on at the PC 5 7 RS232 Initially RS232 communication interfaces purely functioned as PC communication ports They have become the established standard tool for serial data transmission over short cable lengths With greater transmission lengths the interface is highly susceptible to interferences notably in the vicinity of strong electromagnetic noise emitters Therefore it should only be used for LRFS HYKOL 0040 1 2 configuration Figure 15 Diagram of RS232 wiring at 25 pole D Sub cable jack 8 depending on ambient light and target to be measured LRFS HYKOL 0040 1 2 n1 DOC Page 26 of 32 16 04 2009 17 00 5 2 RS422 For configuration purposes and permanent data transmissions over a greater length the RS422 can be used This type of interface is insusceptible to interference and noise influences and qualifies for industrial use Where twisted cable pairs are involved transmissions lengths up to 1200 m can be handled Figure 16 RS422 wiring diagram Since a standard PC typically includes no RS422 communication port you require an RS422 interface card or an RS422 to RS232 converter for commu nication 5 3 Digital Switching Output hite k 10 500MA Figure 17 Wiring diagram of digital switching output For example using the digital switching output an object which was selected for measurement can be monitored for ex
19. he target s reflectance is not ideal With a measuring time setting of ST 2 E15 will be output following measurement The user must increase the time to measure in this case 4 2 11 SF Display set scale factor Standard setting 1 SF multiplies a calculated distance value with a user selectable factor for changes in resolution or outputs in a different unit of measure The scale factor may also be negative Scale factor Resolution Output Unit of measure SF1 1mm 12 345 m SF10 0 1 mm 123 45 dm SF1 0936 0 01 yard 13 500 yard SF3 28084 0 01 feet 40 501 feet SF0 3937 1 inch 4 860 100 inch SF 1 1mm 12 345 m Table 4 Examples of scale factor Note Following a change in the scale factor the settings for digital and or analog output and offset must be matched accordingly 4 2 12 SE Display set error mode 0 1 2 Standard setting 1 SE allows you to configure how the digital switching output alarm and or the analog output is to behave on occurrence of an error message E15 E16 E17 E18 Depending on the particular LRFS HYKOL 0040 1 2 application different reactions to an error message are possible Available selection options are 0 1 and 2 with the following effects in the event of an error message SE Digital switching output Analog output 0 Preserves the state of a latest valid Outputs the current of a latest valid measurement measurement 1 Positive alarm hysteresis LOW RE gt RB current
20. ice Maintenance Warranty The warranty period is one year To ensure that all functions are regularly checked and your LRFS HYKOL 0040 1 2 operates faultlessly over a long period of time you are advised to have the LRFS HYKOL 0040 1 2 laser distance measurement module inspected at our location at annual intervals LRFS HYKOL 0040 1 2 n1 DOC Page 32 of 32 16 04 2009 17 00
21. ing this mode the operator does not receive any response As soon as the trigger pulse has been detected the LRFS HYKOL 0040 1 2 will send data and switches to digital and or analog output Settings for trigger delay delay and trigger flank can be defined via parameter TD see 4 2 16 TDdisplay set trigger delay 09999ms trigger level 0 1 4 2 6 DM Distance measurement Input parameter SD SE SF ST OF Output RS232 RS422 digital switching output analog output DM mode triggers a single measurement single shot 4 2 7 TP Internal temperature C TP queries the value of the inner LRFS HYKOL 0040 1 2 temperature Note In tracking mode the inner temperature may exceed the surrounding temperature level by as much as 10 K LRFS HYKOL 0040 1 2 n1 DOC Page 18 of 32 16 04 2009 17 00 4 2 8 SA Display set average value 1 20 Standard setting 1 SA allows you to calculate a floating average value from 1 to 20 measured values Calculation is based on this formula X1 X2 X3 Xp 20 Average value x _ n 4 2 9 SD Display set display format d h Standard setting d SD switches between decimal d and hexadecimal h output format of measured value data SD affects all commands that output a distance value A hexadecimal output value is calculated from a given measured distance value in mm multiplied by the scale factor SF Negative distance values are output in two s complement notation Example D
22. istance 4 996 m SF1 dec 4 996 hex 001384 4996 mm x SF1 Distance 4 996 m SF10 dec 49 960 hex 00C328 49960 4996 mm x SF10 4 2 10 ST Display set measure time 0 25 Standard setting 0 Measuring time is directly conditional on the selected measuring mode As a general rule one may say the poorer the reflectance of the surface of a particular target the more time the LRFS HYKOL 0040 1 2 will require to determine the distance with specified accuracy For example if error message E15 is output because of poor reflectance and insufficient time to measure this latter setting must be increased The available value range for measuring time is 0 to 25 Basically the greater the time setting is the more time will be available for measurement and the lower the resulting measuring rate An exception there from is zero value In this case the LRFS HYKOL 0040 1 2 automatically picks the smallest possible time value for measurement The LRFS HYKOL 0040 1 2 comes factory set with ST 0 ST is effective in the DT DF and DM mode of operation The measuring time setting option can also be used to modify the measuring rate for example in order to restrict the data volume or for synchronization purposes The following sample time setting can only be regarded as providing an approximate value Measuring time 3 STx240 ms except ST 0 LRFS 0040 1 2 n1 DOC Page 19 of 32 16 04 2009 17 00 Example The target distance is 25 m but t
23. l specified operating conditions is necessary Failure to observe advisory notes or information contained in this Manual or nonconforming product usage may cause physical injury to the user or material damage to the LRFS HYKOL 0040 1 2 Cable connectors must not be plugged or unplugged as long as voltage is supplied Remember to turn voltage supply off before you begin working on cable connections 22 Intended amp Conforming Use Measurement of distances Special measuring functions Compliance with prescribed temperatures for operation and storage Operation at correct voltage level Application of specified signal levels to the appropriate data lines 23 Nonconforming Use Do not operate the LRFS HYKOL 0040 1 2 in any other way than described under Intended amp Conforming Use above and only in a proper working condition Safety devices must not be defeated or otherwise rendered ineffective Information and warning signs must not be removed Repair work on the LRFS HYKOL 0040 1 2 must not be carried out by anyone other than personnel Refrain from using the LRFS HYKOL 0040 1 2 in an explosive environment Measurement with the LRFS HYKOL 0040 1 2 pointed at the sun or other strong lightsources may produce faulty results Measurement of targets with poor surface reflectance in a strongly reflecting environment may also result in faulty measurement values Measurement of strongly reflecting surfa
24. m 5 m and 10 m length version Customized cable lengths are optionally available by previous agreement with Engineering LRFS HYKOL 0040 1 2 n1 DOC Page 12 of 32 16 04 2009 17 00 Figure 4 Interface Cable Interface cable extension is possible One should however observe some important rules depending on the particular application scenario LRFS HYKOL 0040 1 RxD and TxD data lines should be kept as short as possible in all cases because they tend to have an interference emitting and interference receiving effect notably when in open state Especially in environments with strong spurious radiation there may be faults that may in some cases require a reset turning the LRFS HYKOL 0040 1 off and on again In cases where no RS232 interface communication is required after parameterization you should provide for a termination wiring as shown in Figure 5 White TxD gt gt Brown lt lt RxD o Black GND _ _ gt 3kQ 2 2 nF Figure 5 Recommended termination wiring for work with open RS232 LRFS HYKOL 0040 2 Extension and termination according to standard requirements For correct screening three essential rules must be followed 1 Use screened cable e g 10OXAWG224CULSW remember to extend also the cable screen 2 Connect screen to reference potential of UV on cable end 3 For integration with vehicles where attachment point and reference potential GND or have equal potentials it may be n
25. measure Typ 160 ms 6s in standard mode measuring any type of surface 100 ms in DW measuring mode 20 ms in DX measuring mode only LRFS HYKOL 0040 2 Max target motion speed 4 m s in DX measuring mode only LRFS HYKOL 0040 2 Max acceleration 2 5 m s2 in DX measuring mode only LRFS HYKOL 0040 2 1 conditional on target reflectance ambient light influences and atmospheric conditions LRFS HYKOL 0040 1 2 n1 DOC Page 8 of 32 16 04 2009 17 00 33 Interface Type of connection 12 pole M18 flange mount connector Binder series 723 Supply voltage UV DC 10 V 30 V Max power lt 15W con sumption in no load state Data interface Please specify on ordering sheet RS232 or RS422 Baud rate 9 6 kBaud 2 4 4 8 19 2 38 4 kBaud selectable Data bits 8 Parity none Stop bit 1 Handshake nonen Protocol ASCII Digital switching output HIGH UV 2V LOW lt 2 V rated for loads up to 0 5 A switching threshold and hysteresis selectable can be inverted Analog output 4 mA 20 mA distance range limits can be set behavior on error report can be preselected 3 mA or 21 mA Load resistance lt 500 W against GND Accuracy 0 15 Max temperature drift 50 ppm K Trigger input Trigger voltage 3V 24V Trigger threshold 1 5V Trigger flank to start of measurement preset at 5 ms delay time Trigger p
26. ng on its optical parts Do not touch any of the module s optical parts with bare hands Proceed with care when removing dust or contamination from optical surfaces Prevent exposure to shock impacts during transportation of the LRFS HYKOL 0040 1 2 Prevent overheating of the LRFS HYKOL 0040 1 2 Prevent major temperature variances during LRFS HYKOL 0040 1 2 operation In accordance with IP65 internal protection standards the LRFS HYKOL 0040 1 2 is designed to be splashproof and dustproof Read these safety and operating instructions with due care and follow them in practical use LRFS 0040 1 2 n1 DOC Page 7 of 32 16 04 2009 17 00 3 Technical Data 3 7 Laser Laser 650 nm laser diode red light Laser class 650 nm visible laser class 2 conforming to standard IEC825 1 EN60825 class II FDA21 CFR Output power lt imW Laser divergence 0 6 mrad Beam diameter lt 11 mm at 10 m distance lt 35 mm at 50 m distance lt 65 mm at 100 m distance 32 Measuring Performance Measuring range 0 2 m to 50 m with natural surfaces for DT DF or DM and ST 0 more than 100 m if target reflectance high enough Measuring 3 mm 2 mm for distance range from 0 2 m to 30 m under accuracy defined measuring condi tions 4mm at 0 1 0 5 m range in DS mode Repeatability lt 0 5 mm Measured value Depends on scale factor 1 mm with SF 1 resolution Time to
27. ngs are 2400 4800 9600 19200 38400 Faulty entries will be rounded to the nearest baud rate A fixed data format of eight data bits with no partiy and one stop bit is used After a change in baud rate setting the communicating counterpart must also be set to the new baud rate 4 2 22 AS Display set autostart command DT DS DW DX DF DM TP LO Standard setting ID AS autostart defines which function will be carried out when power becomes available to the LRFS HYKOL 0040 1 2 Possible entries are those delivering a measured value on the output side an ID command or the command for turning the laser on LO For example if ASDT has been parameterized the LRFS HYKOL 0040 1 2 will begin with distance tracking on turning on power 4 2 23 OF Display set distance offset Standard setting 0 With the help of OF offset the user may define a zero point for his her application For details on the position of the module s zero point refer to section 3 5 Mechanical OF must be selected so it is properly matched to the currently valid scale factor setting SF OF may also take on negative values LRFS HYKOL 0040 1 2 n1 DOC Page 24 of 32 16 04 2009 17 00 4 2 24 SO Set current distance to offset offset distance SO performs a distance measurement and saves the measured reading as an offset value with inverted mathematical sign OF 4 2 25 LO Laser on LO turns the laser on This function can be used for orientation o
28. nly in DX mode 50 Hz Reduce motion speed of target or of distance meter Target motion speed gt 10m s E23 Temperature below 10 C Provide ambient temperature gt 10 C E24 Temperature above 60 C Provide ambient temperature lt 60 C E31 Faulty EEPROM checksum hardware error Service required if fault occurs repeatedly Reship LDM41 42 for repair E51 Failure to set avalanche voltage of diode 1 Check ambient light radiation Limit ambient light laser 2 Service required 1 straylight or Reship LDM41 42 for repair 2 hardware error E52 Laser current too high laser defective Reship LDM41 42 for repair contact technical support E53 One or more parameters in the EEPROM not 1 Parameter SF examine SF must be unequal 0 2 set Consequence Division by 0 Contact technical support Reship LDM41 42 for repair E54 Hardware error PLL Contact technical support Reship LDM41 42 for repair E55 Hardware error Contact technical support Reship LDM41 42 for repair E61 Used parameter is inadmissible invalid Check control software commands command sent E62 1 Hardware error Check external software parity setting 2 wrong value in interface communication Parity error SIO E63 SIO overflow Check time of emitted signals in application software integrate delay on transmission if necessary E64 Framing Error SIO Data format of the serial interface examine 8N1 LRFS 0040 1 2 n1 DOC Page 31 of 32 16 04 2009 17 00 7 Serv
29. r functional testing of the LRFS HYKOL 0040 1 2 4 2 26 LF Laser off LF turns the laser off 4 2 27 PA Display settings PA lists all parameters in a table 4 2 28 PR Reset settings PR resets all parameters except for baud rate to their standard settings average value SA 1 display format SD d measure time ST 0 scale factor SF 1 error mode SE 1 ALARM center AC 1000 ALARM hysterese AH 0 1 ALARM width AW 100000 distance of Iout 4mA RB 1000 distance of Iout 20mA RE 2000 remove measurement RM 000 trigger delay trigger level TD 00 trigger mode trigger level TM 01 baud rate BR 9600 autostart command AS ID distance offset OF 0 Figure 8 Standard settings LRFS 0040 1 2 n1 DOC Page 25 of 32 16 04 2009 17 00 5 Operating Modes Make sure that all cable ends are protected against short circuit effects before you turn power supply on Connect cable terminals as required for the particular operating mode To prevent short circuits you should seal unused cable ends For starting up a PC with RS232 or RS422 data interface and a terminal program such as the setup tool software or hyperterminal are required As part of preparative actions the LRFS HYKOL 0040 1 2 must be properly installed in the designated working site oriented onto the target and kept in a stable position The target to be measured should preferentially have a homogeneous white surface AN Caution Do not use any retroreflectors Alignm
30. sition Example TD1000_0 Enter In the given example the delay time was set to 1000 ms and the trigger flank to falling type HIGH to LOW transition 4 2 20 TM Display set trigger mode 0 1 trigger level 0 1 Standard setting 0 1 TM provides parameter setting options for the auto start trigger function which allows external triggering of the auto start command that was set via parameter AS Triggering is accomplished via the external trigger input All starting modes which are selectable via AS can be launched and stopped by external triggering These are DS DT DW DX DF DM TP LO ID TM consists of two parameters which are separated by space 20h x 0 trigger function turned off 1 trigger function turned on y 0 measurement is triggered on trigger line at L level HIGH gt LOW transition 1 measurement is triggered on trigger line at H level LOW gt HIGH transition For triggering the trigger level must be permanently applied Examples a ASDT TM1 1 Trigger signal H gt DT is performed Trigger signal L gt DT is stopped ew cose Ea aal kag LRFS 0040 1 2 n1 DOC Page 23 of 32 16 04 2009 17 00 b ASDM TM1 0 Trigger signal H gt no change in state Trigger signal L gt DM active i e one measurement is triggered 41GH OW PM ON IM OFF i _ _ gt 4 2 21 BR Display set baud rate 2400 38400 Standard setting 9600 Available baud rate setti
31. ulse length gt 1 ms Delay time trigger selectable from 0 ms to 9999 ms delay Trigger flank selectable Max input voltages UV 30 V protected against polarity reversal RxD 25 V RX RX 14V TRIG 25 V Output voltages TxD gt 5V TX 2 V 2 x 50 W load differential ALARM Uy 2 3 4 Environment amp Ambient Conditions Operating temperat 10 C bis 50 C LRFS 0040 1 2 n1 DOC Page 9 of 32 16 04 2009 17 00 ure Storage 20 C bis 70 C temperature Protection type IP65 3 5 Mechanical Mounting Conditions Casing Extruded aluminum profile with powder coat paint finish front side amp rear side cover and tube anodized Dimensions Lx W_ 212 mm x 96 mm x 50 mm x H Weight 850 g The casing consists of a rugged corrosion resistant extruded aluminum profile with front side and rear side covers also in corrosion resistant design Four mounting holes are provided in the baseplate for mechanical attachment of the LRFS HYKOL 0040 1 2 Figure 1 Dimensional drawing Figure 1 1 Equalizer tube at front cover Dimensional 2 Casing drawing 3 Protective cap for flange mount connector 4 Receiver optics 5 Sender optics 6 Mechanical mounting holes four 7 12 pole M18 flange mount connector Binder series 723 To protect the range finder s optical surfaces from dust physical contact mechanical imp
32. y z max permissible number of divergent values in default 0 0 lt z lt 4100 succession in case of different following divergent values the previous corrected divergent value will enter into the correction of the next divergent value Only effective in mode DT Space letter 0x020 between the parameters Invalid input of minimum one parameter will put all parameters to 0 Attention If parameters are used unqualified an endangering of the security might happen 10 10 5 10 05 4 10 00 4 9 95 4 9 90 4 9 85 4 9 80 4 9 5 7 9 70 4 9 65 4 O Ist Messwertt tree Limit kKorr Verlauf 9 60 T T T T T T T T T T 1 2 3 4 5 6 7 8 9 10 Important The use of RM parameter settings should be restricted to suitable applications only Improper use of this parameter may create safety hazards LRFS HYKOL 0040 1 2 n1 DOC Page 22 of 32 16 04 2009 17 00 4 2 19 TD Display set trigger delay 09999ms trigger level 0 1 Standard setting 0 0 TD is solely intended for behavioral configuration of the remote trigger input DF mode refer to section 4 2 5 for DF mode TD consists of two parameters which are separated by space 20h one parameter containing the actual delay i e the amount of delay time and the other parameter the trigger level X corresponds to the delay in time from the arrival of a trigger signal to the start of a measurement Delay settings may range from 0 to 9999 ms Y 0 for HIGH g LOW transition 1 for LOW g HIGH tran
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