Manual EN V1.4 - ASTECH Angewandte Sensortechnik GmbH
Contents
1. Connect cable terminals as required for the particular operating mode To prevent short circuits you should seal unused cable ends As part of preparative actions the LDM41E and LDM42E must be properly installed in the designated working site oriented onto the target and kept ina stable position The target to be measured should preferentially have a homogeneous bright surface AN Caution Do not use any retro reflectors The alignment of the LDM41E and LDM42E is facilitated by a Laser beam that is visible and can easily be turned on at the PC e g command DT starting the measurement and switch the Laser on see 8 2 7 1 Start up with RS232 For starting up a PC with RS232 data interface or a USB converter for RS232 and a terminal program are required We recommend the Windows program LDMTOOL Version 4 0 or higher 2 depending on ambient light and target conditions ASTECH GmbH Page 21 Start up LDM41E and LDM42E Manual LDMToo LDM4X Simulation Bile Parameter Commands Opbons Hep GUS TT BR ANF TT Parameter Device Diagram Terminal Log Window Timing Serial Interface sT 005 006 1D TM Analog Output Calculation History Serial Interface 005 009 Mm 005 001 A vi 005 000 PP oer 005 001 005 000 005 003 005 003 005 003 General CE fo p String Output Format SD jd Analog Output 4 20 m a 6 002 RE Digtal Output Calculation Alarm Ou Outpt AC AH fo2. aw hooo History Style 005 004 P 005 002 iis 005 006 Hex Enclosed oe Psa STOP DT Figure 6 Program LDMTool 7 2 Start up with Ethernet The LDM41E and LDM42E come with a default IP address and subnet mask IP Address 192 168 0 51 Net mask 255 255 0 0 Alternatively there is a removable sticker with this information on the device Connect the LDM41E and LDM42E over a Switch or Hub to the network If the IP address of your PC does not start with 192 168 you have to unplug the PC from the network and change the IP of your PC and establish a local connection to the PC You can discover the IP address of your PC with Start Run cmd starting the command input and the then command ipconfig Page 22 ASTECH GmbH LDM41E and LDM42E Manual Start up Use the program EtherTool by ASTECH and run Search Alternatively start a telnet client Windows Telnet putty or other via TCP IP port 23 and connecting you with specifies the IP of the LDM41E and LDM42E After Telnet connection is established you get by entering the in the configuration mode see image above By entering the number corresponding to Selection you can change IP addresses and subnet mask Attention The changed IP addresses and subnet mask is active after a restart of the device Then you must re establish the Telnet connection The configuration mode can be protected by a password The password must be at lea
3. sets output format dec hex sig Queries sets time to measure 0 25 Queries sets scale factor Queries sets error mode 0 1 2 Queries sets alarm center Queries sets alarm hysteresis Queries sets alarm with Queries sets temperature for heating on Queries sets temperature for heating off Queries sets removal measurement parameters Queries sets trigger delay and level Queries sets trigger mode and level Queries sets baud rate Queries sets auto start Queries sets offset Sets current distance as offset ee Trigger function is not available for devices with internal heating LDM41E h and LDM42E h 23 Only for devices with internal heating LDM41E h and LDM42E h Page 48 ASTECH GmbH LDM41E and LDM42E Manual List of Commands Command LO LF PA PR Description Turns Laser on do not use please use DT Turns Laser off Displays all parameter values Resets all parameters to standard values don t use ASTECH GmbH Page 49 Error Codes LDM41E and LDM42E Manual 11 Error Codes Table 14 Error codes Code E15 E16 E17 E18 E23 E24 E31 E51 E52 E53 E54 E55 E61 E62 E63 E64 Description Reflexes are too weak or distance from LDM front edge to target is less than 0 1 m Reflexes are too strong Too much steady light e g sun or reflexes are too strong DX mode only LDM 42E reflexes too weak or distance from LDM front edge
4. EE Dk eN ke gee N ke Ee Output voltages n seine ne es oe En Ee ee oes EG AE ar aeiiae Ra Command list LDM41E and LDMA2E sesse se ee ee Output format LDM41E and LDM42E Examples of Scale facto iss etes ss iese SN ese Ee ne de de Ee Ee Ges ee de MET OF RE EO EE OR RE EN Command list LDM41E and LDMA2E sesse es ee EGROF sel EER RE EN Part hurnbers soes bis ese be de De es es teie ee es be ee ASTECH GmbH Page 5 General LDM41E and LDM42E Manual 1 General The LDM41E and LDM42E is a Laser sensor 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 LDM41E and LDM42E performs depending on the reflectance morphology and qualities of the target to be measured The sensor works based on comparative phase measurement It emits modulated Laser 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 millimeter accuracy LDM 40 Laser beam meas beam Target Figure 1 Measurement principle 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 auto start command and applying supply vo
5. Manual Commands and Parameter HIGH LOW DM ON DM OFF Figure 12 Trigger level 0 8 22 BR display set baud rate 2400 38400 Available baud rate settings 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 parity and one stop bit is used Standard setting is 9600 baud 8 23 AS display set autostart command AS auto start defines which function will be carried out when power becomes available to the LDM41E and LDM42E 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 LDM41E and LDM42E will begin with distance tracking on turning on power 8 24 OF display set distance offset 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 4 OF must be selected so it is properly matched to the currently valid scale factor setting SF OF may also take on negative values Standard setting 0 ASTECH GmbH Page 39 Commands and Parameter LDM41E and LDM42E Manual 8 25 SO set current distance to offset SO performs a distance measurement and saves the measured reading as an offset value with inverted mathematical sign OF 8 26 LO Laser on LO turns the Laser on This functio
6. ae BMPR as EER EE EE EE EN TP LEASE sad Sa MORS eee MR Rd SA Enter SAx Enter SD Enter SDd Enter STERRE 7 STH Entet eiaa SF Enter SFx x Enter SE Enter SEx Enter AC Enter ACx x Enter AH Enter AHx x Enter AW Enter AWx x Enter HO Enter HOx Enter HF Enter HFx Enter RB Enter RBx x Enter RE Enter REx x Enter RM Enter RMx y y z Enter BR Enter BRx Enter AS Enter ASd Enter OF Enter OF x Brter sassis SOLERESE oa teak dad gs ah vo Ee dala ae beep a oe THD PRE eed hai ee ene Dea oh ere ek LF EGGS oop Se MR wea eS wai Se PRPEACSE macho ciate Maceaere daw ae FRIEDHOF sky 0 ae Re di le do wee Figure 10 Help text Firmware V8 istance istance istance 10Hz istance 50Hz istance measurement nternal temperature isplay set isplay set isplay set isplay set tracking tracking 7m tracking with cooperative target tracking with cooperative target C average value display format tas 20 d h s measure time 0 25 scale factor isplay set error mode 0 1 2 Q Iout const ALARM const Iout 3mA RE gt RB 21mA RE lt RB ALARM OFF AH gt 0 ON AH lt O 2 Iout 21mA RE gt RB ON AH gt 0 OFF AH lt 0 isplay set ALARM center isplay set ALARM hysteresys isplay set ALARM width isplay set temperature TOFC isplay set TOFC isplay set isplay set emove measur
7. them in practical use Page 10 ASTECH GmbH LDM41E and LDM42E Manual Technical Data 3 Technical Data Table 1 Technical data 4 Measurement range z 6 Measuring accuracy Resolution Reproducibility Measuring time Target motion speed Acceleration Operating temperature Storage temperature Supply voltage Power consumption Data interface 0 1 m up to 30 m with natural surfaces depending on target reflectance or reflectors more than 100 m achievable 2 mm under defined measuring conditions 3 mm 15 C up to 30 C 4 mm in DS mode lt 0 5 m 15 C 30 C 5 mm 10 C up to 50 C 0 1 mm user scalable standard 1 mm 0 5 mm 0 24to6s 0 1 s 10 Hz mode DW at white surface 20 ms 50 Hz mode DX at white surface only LDM42E lt 4 m s in DX Mode LDM42E only 2 5 m s in DX Mode LDM42E only 10 C up to 50 C 40 C up to 50 C h option only 40 C up to 70 C 10 V 30 V DC protected against polarity reversal setup or auto Mode DT Depending on operation mode lt 2 5 W in Standby lt 3 5 W for distance tracking lt 24 W with heating active h option only Fast Ethernet 10 100 Mbit dependent on target reflectance stray light influences and atmospheric conditions e g 3M self adhesive foil white non glossy statistic spread 95 7 for measurement at a planar white target surface in continues movement or still standing 15 up
8. to 30 C i dependent on target reflectance stray light influences and atmospheric conditions Please use only 24V DC For devices with heating LDMA1E h and LDM42E h The heater is connected directly to the power supply ASTECH GmbH Page 11 Technical Data LDM41E and LDM42E Manual Digital switching output Digital input EMC Shock resistance Laser Class Wave length Laser divergence Laser angle tolerance Average service life Connector Dimensions LxWxH Mounting Weight Protection class and for start up and service a RS232 baud rate 9600 2400 38400 ASCII Format 8N1 fix high side switch programmable switching threshold and hysteresis rated for max load of 0 5 A HIGH UB 2 V LOW lt 2 V External trigger trigger pulse 3 up to 24 V pulse lengthz 1 ms start of measurement 5 ms trigger delay trigger slope and delay can be set 0 ms 9999 ms EN 61326 1 10g 6 ms Persistence shock DIN ISO 9022 3 31 01 1 Laser class 2 under EN60825 1 2007 Class 2 650 nm red visible 0 6 mrad Better than 1 to the ground plane 100 000 h at 60 C Laser temperature intern 12 pol M18 male socket Binder Serie 423 212 mm x 96 mm x 50 mm 100 mm x 85 mm 4 x M6 holes approx 800 g IP 65 spatter water and dust protection 1 trigger function is not available for devices with internal heating LDM41E h and LDM42E h 1 at 10 m distance the beam diameter is 6 mm at a distance o
9. to target is less than 0 1m Inner temperature below 10 C Inner temperature above 60 C EEPROM checksum error Failed to set avalanche voltage Excessively high Laser current Laser defect Division by 0 Hardware error PLL range Other hardware error Invalid command Wrong parameter wrong command SIO overflow SIO framing error 24 e g 3M self adhesive foil matte white Action Use white target board or increase distance to target Use white target board or filter Use aperture or filter or white target board Use white target board or increase distance to target Heading necessary Cooling necessary Necessary to repair Necessary to repair Necessary to repair SF must be unequal of zero or necessary to repair Necessary to repair Necessary to repair Correct input Check data transmission Check data transmission Check data transmission Page 50 ASTECH GmbH LDM41E and LDM42E Manual EG Declaration of Conformity 12 EG Declaration of Conformity C In accordance with the Directive of Electromagnetic Compatibility 2004 108 EG The company ASTECH Angewandte Sensortechnik GmbH in Schonenfahrerstr 5 18057 Rostock Germany herewith declare represented by the signatory that the following designated product Laser Distance Measurement Sensor LDM41E LDM42E agree with the following harmonized standard IEC 61326 1 Electromagnetic interference and electromagnetic compatibility EMC in
10. value range out of tolerance values In the event of out of tolerance values arriving in succession the most recently corrected value will be included in the correction process for the next out of tolerance value The maximum allowed number of out of tolerance values is 100 Important The use of RM parameter settings should be restricted to suitable applications only Improper use of the parameter may create safety hazards Page 36 ASTECH GmbH LDM41E and LDM42E Manual Commands and Parameter 8 20 TDxy display set trigger delay trigger level TD is only intended for the configuration of the remote trigger input see 8 6 DF distance measurement with external trigger TD consists of two sub parameters of the actual delay value i e the delay time and the trigger level Trigger delay corresponds to the time from arrival of the trigger signal to the starting point of a measurement It may be set to any value between 0 and 9999 ms With the help of the trigger level one may define if measurement is to begin on a rising or a falling pulse slope Trigger delay and trigger level must be separated by space 20h in the entry line Standard setting 0 0 xX Delay time between trigger signal and start of measurement delay can be set from 0 to 9999 ms y 0 for HIGH gt LOW slope 1 for LOW gt HIGH slope Example TD1000_O Enter In the given example the delay has been set to 1000 ms and the trigger slope to risi
11. 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 Page 32 ASTECH GmbH LDM41E and LDM42E Manual Commands and Parameter The available value range for measuring time is O 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 LDM41E and LDM42E automatically picks the smallest possible time value for measurement The LDM41E and LDM42E 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 Measuring time can only be set as an approximate value because the underlying principle of measurement is subject to certain variances that cannot be accounted for DT measuring mode gt measuring time ST x 240 ms except ST 0 DS measuring mode measuring time ST x 150 ms except ST 0 Example The target distance is 25 m but the 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 ST gt 2 or set auto ST 0 to measure in this case One should work in DW or DX measuring mode where st
12. 2000 00 License number for PC Software LDMTOOL for LDM3x und LDM4x Note Several single sensors are also available as packages including sensor and cable manual and CD sets Additionally are other protection enclosures with and without a thermostat available Page 52 ASTECH GmbH LDM41E and LDM42E Manual Notice ASTECH GmbH Page 53 Notice LDM41E and LDM42E Manual Page 54 ASTECH GmbH
13. DM41E h and LDM42E h Page 28 ASTECH GmbH LDM41E and LDM42E Manual Commands and Parameter 8 2 DT distance tracking Input parameter SA SD SE SF ST OF Output RS232 RS232 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 LDM41E and LDM42E 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 240 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 may also be limited by setting the ST parameter to a desired value ESC stops the measurement 8 3 DS distance tracking lt 7 m 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 4 mm Measuring time time to measure can be limited via ST parameter settings ESC stops the measurement 8 4 DW distance tracking with target board 10 Hz Input par
14. Manual LDM41E and LDM42E Version 1 4 CE LDM41E and LDM42E Manual Dear User You are advised to carefully read this User Manual before powering on the LDM41E and LDMA2E Laser distance measuring sensor for the first time This is necessary to ensure that you will be able to utilize all the capabilities and features which your new acquisition provides This technology is subject to continuously ongoing development Editorial deadline March 2015 Firmware version gt 7 05 and 8 06 Manual version V1 4 Flle Manual_LDM41 42E_EN_V1 4 docx Note 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 Revisions history Manual Version Date Changes 1 4 16 03 2015 New design ASTECH GmbH Schonenfahrerstr 5 D 18057 Rostock Internet www astech de E Mail info astech de Telefon 49 0 381 44073 0 Telefax 49 0 381 44073 20 Page 2 ASTECH GmbH LDM41E and LDM42E Manual Content l Content 1 Generaler e EO N OR RE N OE 6 2 Safety nd ee ie ER OR EN EE EN 8 2 1 General Safety Instructions iese ees se se ee ee Re Re ee ee Re ee ee ee 8 2 2 Intended amp Conforming USe is ee ee Ee Ee Re AR ER Ge ee ee 8 2 3 N conforming USE ses EERS Re NEE ESE ER Ee ee ee ok ERA Ne oe ees EE 8 2 4 Laser ClassiticatiO Miss ses DE Re eke RE ie ven ese Ee EER see KEN GE be 9 2 5 Electric SUBPlY s
15. able measuring times are required 8 12 SF display set scale factor 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 Standard setting is 1 The scale factor influence the output of measurement results Offset OF Alarm Centre AC Alarm Hysteresis AH Range Begin RB and Range End RE ASTECH GmbH Page 33 Commands and Parameter LDM41E and LDM42E Manual Table 11 Examples of Scale factor Scale factor Resolution Output Output Unit SF1 1 mm 012 345 m SF10 0 1 mm 123 450 dm SF1 0936 0 01 yard 013 500 yard SF3 28084 0 01 feet 040 501 feet SFO 3937 1 inch 004 860 100 inch SF 1 1 mm 12 345 m Note Following a change in the scale factor the settings for digital and or analog output and offset must be matched accordingly 8 13 SE display set error mode 0 1 2 SE error mode allows you to configure the behaviour of the digital switching output alarm and or the analog output following an error message E15 E16 E17 Depending on the particular LDM41E and LDM42E application environment error messages have to be handled in different ways Available setting options are 0 1 and 2 with the following effects in the case of an error Table 12 Meaning of SE SE Digital switching output Alarm Analog output 4 20 mA O0 ALARM of latest valid Outputs current of last valid measuremen
16. al potential Potential differences could lead to electrical currents and may cause EMC problems no correct measurement function or switching the gauge off or on is necessary If no potential equalization is possible then mount the LDM41E and LDM42E isolated from the carrier base use nylon screws and washers Connect the screen with mass to the cable end This way of assembly should also be used when installing the LDM41E and LDM42E inside vehicles ASTECH GmbH Page 19 Limiting Values for Voltages LDM41E and LDM42E Manual 6 Limiting Values for Voltages GND lines of the power supply and RS232 terminals are connected internally and form the ground potential for all of the limiting values indicated below Input voltages Table 7 Input voltages Terminal point Voltage Comment VCC 10 up to 30 V pole reversal protected CONFIG do not input only short to GND TRIG 25V short circuit proof RxD 25V short circuit proof Output voltages Table 8 Output voltages Terminal point Voltage Comment OUT like VCC R 135 mQ max 0 7 A load short circuit proof TxD 15 4 V short circuit proof Limiting values of voltages loads and logical levels comply with relevant RS232 and Ethernet standards All outputs are sustained short circuit proof Page 20 ASTECH GmbH LDM41E and LDM42E Manual Start up 7 Start up Make sure that all cable ends are protected against short circuit effects before you turn on power supply
17. ameter SA SD SE SF OF Output RS232 RS422 digital switching output analog output DW mode performs at a steady measuring rate of 10 Hz As a necessary precondition for measured values to be stable a white target board must be placed at the selected object There must be no sudden jumps in distance greater than 16 cm within the measuring field ESC stops the measurement ASTECH GmbH Page 29 Commands and Parameter LDM41E and LDM42E Manual 8 5 DX distance tracking with target board 50 Hz 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 only LDM42 As a necessary precondition for measured values to be stable a white target board must be placed at the selected object This measurement mode is intended in the first place for objects performing homogeneous motion up to 4m s For higher rates of measurement preceding measured values will be included in the process to calculate a currently measured value There must be no sudden jumps in distance greater than 16 cm within the measuring field Caution To prevent transmission problems please use 9600 baud AN as the minimal baud rate for DX Mode 8 6 DF distance measurement with external trigger Input parameter SD SE SF ST OF TD ST SA RM Output RS232 RS232 digital switching output analog output DF mode allows a measurement that is triggered by an external tri
18. and LDM42E h ASTECH GmbH Page 7 Safety Instructions LDM41E and LDM42E Manual 2 Safety Instructions 2 1 General Safety Instructions These safety and operating instructions should be carefully read and followed during practical work with the LDM41E and LDM42E There is danger of Laser radiation or electrical shock For necessary AN repair work the LDM41E and LDM42E may not be opened by anyone other than Manufacturer personnel Unauthorized intervention into the inner product space will void any warranty claims Compliance with all specified operating conditions is necessary Failure to observe advisory notes or nonconforming product usage may cause physical injury to the user or material damage to the LDM41E and LDM42E Cable connectors must not be plugged or unplugged under voltage Remember to turn voltage supply off before you begin working on cable connections 2 2 Intended amp Conforming Use Measurement of distances Special measuring functions Compliance with prescribed temperatures for operation storage Operation at correct voltage level Application of specified signal levels to the appropriate data lines 2 3 Nonconforming use Do not operate the LDM41E and LDM42E 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
19. by the scale factor SF Negative distance values are output in two s complement notation The value for the signal quality varies between O and 1024 O means a bad signal quality while 1024 indicates a very good signal quality Examples Distance 4 996 m SF1 dec 004 996 lt CR gt lt LF gt hex lt SPACE gt 001384 lt CR gt lt LF gt 4996 mm x SF1 Page 44 ASTECH GmbH LDM41E and LDM42E Manual Interface Connection dectsig 004 996 _000005 lt CR gt lt LF gt bad signal quality dectsig 004 996 _000985 lt CR gt lt LF gt good signal quality Distance 4 996 m SF10 dec 049 960 lt CR gt lt LF gt hex _00C328 lt CR gt lt LF gt 49960 4996 mm x SF10 dectsig 049 960 _000005 lt CR gt lt LF gt Error case dec hex E15 lt CR gt lt LF gt see page 50 chapoter 11 Error Codes 9 4 Digital Switching Output Alarm With the help of a user selectable distance threshold the switching output can be set to monitor objects or conditions for positive or negative overstep For example using the digital switching output an object which was selected for measurement can be monitored for excision 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 The range which will be subject to monitoring begins at AC and ends at AC AW Switching transitions can be s
20. cluding radio interference Rostock 21 September 2010 ASTECH Angewandte Sensortechnik GmbH Jens Mirow General Manager ASTECH GmbH Page 51 Part Numbers LDM41E and LDM42E Manual 13 Part Numbers Table 15 Part numbers Part No Name 10 2028 00 LDM41E 10 2029 00 LDM42E 10 2036 00 LDM41E h with heating 10 2037 00 LDM42E h with heating 15 0018 00 Male cable connector Ethernet M12 4 pin D coded 15 0040 00 Connection cable Ethernet M12 RJ45 3m 15 0040 01 Connection cable Ethernet M12 RJ45 5m 15 0040 02 Connection cable Ethernet M12 RJ45 10m 15 0011 00 Female cable connector Power and I O 5 pin A coded 15 2002 00 Connection cable Power and I O LDM41E and LDM42E 5m 15 2002 01 Connection cable Power and I O LDM41E and LDM42E 10m 15 0019 00 PC Programming cable RS232 5m 11 0001 00 USB RS232 Interface converter 0 2m 12 2006 00 Protection window Standard for LDM4x Series 12 2006 01 Protection window Quartz glass for LDM4x Series 12 2006 02 Protection window Sapphire glass for LDM4x Series 12 2030 00 Gray filter 2 fach for LDM4x Series 12 2030 01 Gray filter 4 fach for LDM4x Series 12 2010 00 Reflection foil matte white A4 12 2011 00 Highly reflective foil silver A4 12 2015 00 Protection tube for pressure air for LDM4x Series 11 0006 00 ASTECH USB Stick Documentation and Software 16 2004 01 Printed Manual LDM41E and LDM42E A5 DE 16 2004 02 Printed Manual LDM41E and LDM42E A5 EN 17
21. e 24 ASTECH GmbH LDM41E and LDM42E Manual Commands and Parameter 8 Commands and Parameter 8 1 General The LDM41E and LDM42E can be parameterized very easy with the PC The PC must be equipped with a serial interface RS232 and or RS232 according to the attached LDM41E and LDM42E The use of USB to serially converters is also possible An optionally programming cable is necessary On the PC a terminal program must be installed LDMTOOL or HyperTerminal By selecting ID Enter command you may call up the menu with available setup commands DX Enter only LDM42E LDM4x s n xxxxxx V 7 x DEL EACSL AG snes nor eso HERDER distancetracking DE Eike se ale seg aes chelate oh eek distancetracking 7m DWIERteE sesse as we REK RES DR REK RD distancetracking with cooperetive target 10Hz Ao ie AARTO SE EE FOR distancetracking with cooperetive target 50Hz NE oe ae AA OS TE distance measurement with external trigger DONIENE SS He mercer mente mere oe SR distance measurement TP RAGE c24c 04008 aces dae cede internal temperature C SA Enter SAX Enter es dme display set average value 1 20 SD Enter SDA Enter sense display set display format d h s ST Enter ST EES dese Ng display set measure time 0 25 SF Enter SFx x Enter display set scale factor SE Enter SERIEnterd si N display set error mode 0 1 2 0 Iout const ALARM const ITout 3mA RE gt RB 21mA RE lt RB ALARM OFF AH
22. e given example the alarm center will be set to 20 8 The following is a short overview of the commands Table 9 Command list LDM41E and LDM42E Command Description DT Start distance tracking DS Start distance tracking lt 7 m DW Start distance tracking on white target at 10 Hz DX Start distance tracking on white target at 50 Hz nur LDM42E DF Start remote triggered single distance measurement DM Start single distance measurement TP Queries inner temperature SA Queries sets floating average value 1 20 SD Queries set output format dez hex sig ST Queries set time to measure 0 25 1 Trigger function is not available for devices with internal heating LDM41E h and LDM42E h ASTECH GmbH Page 27 Commands and Parameter LDM41E and LDM42E Manual SF SE AC AH HO HF RM TD TM BR AS OF SO LO LF PA PR Oueries set scale factor Queries set Error Mode 0 1 2 Queries set alarm center Queries set alarm hysteresis Queries set alarm width Queries set temperature for heating on Queries set temperature for heating off Queries set removal measurement parameters Queries set trigger delay and level Queries set trigger mode and level Queries set baud rate Queries set auto start Queries set offset Sets current distance as offset Turns Laser on Turns Laser off Displays all parameter values Resets all parameters to standard values don t use Only for devices with internal heating L
23. ealized Fast Ethernet with 100 MBit s The data is transmitted using Telnet port 23 This must be established with a Telnet client connects to the Telnet server in the LDM41E and LDM42E The program EtherTool provides an integrated telnet client The commands are described in chapter 8 starting page25 The data output format is determined by parameter SD display format see page 31 a Telnet 192 168 0 51 o a Verbinden Bearbeiten Terminal 666 396 660 396 666 396 666 396 666 396 666 396 Information Type z LDM41E S N 161369 IP Address 192 168 8 51 Subnet Mask 255 255 255 0 MAC Address 60 14 11 47 88 71 Software Ui 8 Selection 1 Set IP Address 2 Set Subnet Mask Set Password Resync and Test Reboot Quit 3 4 5 6 Enter Selection Figure 13 Telnet Program Page 42 ASTECH GmbH LDM41E and LDM42E Manual Interface Connection The device can also be accessed via a browser Firefox Internet Explorer etc via http port 80 Only one browser can assess to the HTML page at the same time Inputs are not available Sensor Page ASTECH Type LDM41E 3 101309 IP Adress 192 168 0 51 Subnet Mask 255 255 255 0 MAC Address 00 14 11 47 88 71 Software v1 0 Make a connection to the Telnet server on port 23 Use the commands from the sensor manual or enter the configuration mode by typing a hash Figure 14 LDM41E Sensor Page 20 With the Internet Ex
24. eine esse siek bek es sker Gen EES De gs denk we oe Re Nee de de 10 2 6 Important Operating Advice see ees se Ee ee ee ee Ee ee ee ee ee ee 10 3 TechisicaliDatde sees es ee ve dear See Ee Siorerens 11 4 Mechanical Mounting ConditiONS sees esse se ee ee ee Ee Re ee ee ee ee 13 5 Electrical ConnectiOn EE EE REIS AE caschaasdansbcenestheesaziet deh WEE ee see eed 15 5 1 Rear Side Cover Terminals c cccccseccecsessececseeecesseeeeceeseeeeseeeeeeneas 15 5 2 Assignment of Terminals ccccsscccccecsessssssecececsesesssaeseescesseeaaeees 16 5 3 Shield and Grounding sossen nkiri aaas iiaia 19 6 Limiting Values for Voltages iese se ee ee Ee Ee ER Re ee Ee Re ee ee ee eke ee 20 7 Start WU sats EE KA N N EE 21 7 1 Start up With R 232 ees ees se se ee ee Ee ee ee ee eretikai ee ee 21 7 2 Start up With Ethernet iis see ki Ee ee ee ee iaiia 22 8 Commands and Parameter see ee ee ee RA ee ee Re ee ee AR ee 25 8 1 General ea Ee ee ee ee DEE De N Ee 25 8 2 DT distance tracking ciinii AA Ee ee ee Ge 29 8 3 DS distance tracking lt 7 M iese ee ee ee ee ee ee ee Re ee ee ee ee 29 8 4 DW distance tracking with target board 10 Hz sees esse ee se 29 8 5 DX distance tracking with target board 50 HZ esse sesse ees ee 30 8 6 DF distance measurement with external trigger esse ses se se ee 30 8 7 DM distance measurement sesse ee ee RA ee ee Re ee ee 31 8 8 TP internal tem
25. ement isplay set baud rate 2400 38400 isplay set autostart command DT DS DW DX DM TP LO ID isplay set distance offset set current distance to offset offset distance 3mA RE lt RB ALARM of heating on 40 C temperature of heating off AG C Iout 4mA Tout 20mA distance of distance of laser off display settings reset settings x devices without heating In preparation of a measurement so the sensor can be adapted by intelligent parameterize optimally to the measuring conditions and the measuring task All valid settings will be preserved on turning the LDM41E and LDM42E off They can only be replaced with new value entries or changed back to their standard values by running an initialization routine Command entries are not case sensitive This means that small and capital lettering can be used for commands Pa ge 26 ASTECH GmbH LDM41E and LDM42E Manual Commands and Parameter Any command 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 parameter 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 In th
26. et 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 from LOW to HIGH if the distance is greater than AC AH 2 from HIGH to LOW if the distance is greater than AC AW AH 2 with decreasing distance from LOW to HIGH if the distance is smaller than AC AW AH 2 from HIGH to LOW the distance is smaller than AC AH 2 ASTECH GmbH Page 45 Interface Connection LDM41E and LDM42E Manual In the case of a negative AH the output switching pattern will be inverse AH AH k ka AH AH l HIGH LOW LOW HIGH b i AC AW Dist p Figure 15 Digital switching output behavior with positive and negative hysteresis Example A moving object is assumed to be monitored within a window of 10 m to 11 m with a hysteresis of 0 2 m AC10 AHO 2 AW1 Distance m increases gt 9 8 9 9 10 0 10 1 10 2 is 11 0 11 1 AH L L L H H H H L AH H H H L L L L H Distance m decreases 11 3 11 2 11 1 11 0 10 9 10 8 Be 10 0 AH L L L L H H H H AH H H H H L L L L L LOW H HIGH 112 11 3 L H H 99 98 H 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 8 13 SE display set error mode 0 1 2 Page 46 ASTECH GmbH LDM41E and LDM42E Manual In
27. f 50 m it is 3 cm and at a distance of 100 m it is 6 cm Page 12 ASTECH GmbH LDM41E and LDM42E Manual Mechanical Mounting Conditions 4 Mechanical Mounting Conditions 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 base plate for mechanical attachment of the LDM41E h and LDM42E h 198 210 100 Figure 3 Dimensional drawing To protect the sensor s optical surfaces from dust physical contact mechanical impacts etc the casing has a protection tube attached to it Optionally different protection windows and optical filters are available Please note that measurement cannot be guaranteed to function correctly if the equalizer tube is removed by unqualified action The interface connector is located on the back cover Interface cables with different length are available standard 2 m optionally 5 or 10 m ASTECH GmbH Page 13 Mechanical Mounting Conditions LDM41E and LDM42E Manual Figure 4 Offset against zero edge The LDM41E and LDM42E 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 w
28. gger pulse Initially after selecting this mode the operator does not receive any response As soon as the trigger pulse has been detected the LDM41E and LDM42E will send data and switches to digital and or analog output Settings for trigger delay delay and trigger slope can be defined via parameter TD see 8 20 TDx y display set trigger delay trigger level With ST 1 the maximum trigger frequency should not exceed 3 5 Hz 16 Trigger function is not available for devices with internal heating LDM41E h and LDM42E h Page 30 ASTECH GmbH LDM41E and LDM42E Manual Commands and Parameter 8 7 DM distance measurement Input parameter SD SE SF ST OF Output RS232 RS232 digital switching output analog output DM mode triggers a single measurement single shot 8 8 TP internal temperature C TP queries the value of the inner LDM41E and LDM42E temperature Note In tracking mode the inner temperature may exceed the surrounding temperature level by as much as 10 K 8 9 SA display set average value 1 20 SA allows you to calculate a floating average value from 1 to 20 measured values Calculation is based on this formula X t X2 X3 Xn 20 Average value X n Standard setting is 1 no average 8 10 SD display set display format d h s SD selects the output format of measured value data There are three modes available Table 10 Output format LDM41E and LDM42E Para
29. gt 0 ON AH lt 0O 2 Iout 21mA RE gt RB 3mA RE lt RB ALARM ON AH gt 0 OFF AH lt 0O AC Enter ACx x Enter display set ALARM center AH Enter AHx x Enter display set ALARM hysterese AW Enter AWx x Enter display set ALARM width RB Enter RBx x Enter display set distance of Iout 4mA RE Enter REx x Enter display set distance of Iout 20mA RM Enter RMx y y z Enter remove measurement TD Enter TDx y Enter display set trigger delay 0 9999ms trigger level 0 1 TM Enter TMx y Enter display set trigger mode 0 1 trigger level 0 1 BRIEnter BRx Enter display set baud rate 2400 38400 AS Enter ASd Enter display set autostart command DT DS DW DX DF DM TP LO ID OF Enter OFx x Enter display set distance offset SO LEACSL sis eae woe nee ao Kee RE set current distance to offset offset distance BGS SY sea Sra cic GERRIE ER BE REED laser on LF ENTOT a5 sees SMR DEM eo we laser off PA ERLA tavenaewageenacweaes display settings PEIEREEED 22 ode ie hie Soh dode N od ee Ng is reset settings Figure 9 Help text Firmware V7 x devices without heating ASTECH GmbH Page 25 Commands and Parameter LDM41E and LDM42E Manual LDM42 SN xxxxx V 8 02 ET PERE oa ee doa tal ered ack ae DS PERE so aw oso MEDE RR wee DU ER ESE if sacs Ba a wea RE ee re BE PERESE oase Me GARS on
30. ith the help of parameter OF see section 8 24 OF display set distance offset Page 14 ASTECH GmbH LDM41E and LDM42E Manual Electrical Connection 5 Electrical Connection 5 1 Rear Side Cover Terminals Connector terminals are located on the rear side cover of the device The terminals consist of 4 buses for metal circular plug in connectors from Binder or compatible connectors sealed against the casing in compliance with IP 65 reguirements This connector type guarantees optimised screening and a high IP level The following connection plugs should be used Table 2 LDM41E and LDM42E terminals Quantity Connector Type Use 1 4 pin male cable connector Fast Ethernet 10 100 series 715 D from Binder 1 5 pin male cable connector RS232 series 713 A from Binder 1 5 pin female cable connector Power supply switching series 713 A from Binder output and trigger input Note Various connectors and cables are available Please ensure that only shielded connectors and shielded cables are used RS232 Ethernet Power supply Output and Trigger Input I Om Figure 5 LDM41E and LDM42E terminals ASTECH GmbH Page 15 Electrical Connection LDM41E and LDM42E Manual 5 2 Assignment of Terminals Power Supply The required power supply is 10 to 30 V DC The trigger input allows for a distance measurement via an external signal in the form of a voltage impulse from 3 to 24 V only DF m
31. ltage By external triggering in remote trigger mode For a more detailed description of these three trigger options you should consult chapter 8 Commands and Parameter of this User Manual Page 6 ASTECH GmbH LDM41E and LDM42E Manual General Special performance features are Provides high accuracy and great reach under extreme outdoor temperatures 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 pack Features consistently low power consumption of lt 1 5 wt without laar 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 Fast Ethernet port for input of measuring functions commands from and output of measured values to a PC or a PLC Telnet connection Switching output with adjustable limit and hysteresis Measured values can be displayed in meters decimetres centimetres feet and inches due to Option for remote triggering of a measurement from an external trigger device inactive internal heating for devices with internal heating LDM41E h and LDM42E h e g 3M self adhesive foil white non glossy or foil 3290 for longer distances 3 Trigger function is not available for devices with internal heating LDM41E h
32. meter Output Format d decimal XXX XXX lt CR gt lt LF gt x 0 9 h hexadecimal lt SPACE gt xxxxxx lt CR gt lt LF gt x 0 F s decimal with signal quality xxx xxx lt SPACE gt yyyyyy lt CR gt lt LF gt x 0 9 y 0 9 SD affects all commands that output a distance value An output value is calculated from a given measured distance value in mm multiplied by the scale factor SF ASTECH GmbH Page 31 Commands and Parameter LDM41E and LDM42E Manual Negative distance values are output in two s complement notation The value for the signal quality varies between O and 1024 O means a bad signal quality while 1024 indicates a very good signal quality Examples Distance 4 996 m SF1 dec 004 996 lt CR gt lt LF gt hex lt SPACE gt 001384 lt CR gt lt LF gt 4996 mm x SF1 dectsig 004 996 _000005 lt CR gt lt LF gt bad signal quality dectsig 004 996 _000985 lt CR gt lt LF gt good signal quality Distance 4 996 m SF10 dec 049 960 lt CR gt lt LF gt hex _00C328 lt CR gt lt LF gt 49960 4996 mm x SF10 dec tsig 049 960_000005 lt CR gt lt LF gt Error case dec hex E15 lt CR gt lt LF gt see 11 Error Codes 8 11 ST display set measure time 0 25 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 LDM41E and LDM42E will require to determine the distance
33. n can be used for orientation or functional testing of the LDM41E and LDM42E After the command LO it s necessary to send LF Don t use LO because this Please use instead of LO the command DT to turn the Laser on 8 27 LF laser off LF turns the Laser off 8 28 PA display settings PA lists all parameters in a table Page 40 ASTECH GmbH LDM41E and LDM42E Manual Commands and Parameter 8 29 PR reset settings PR resets all parameters except baud rate After this a new configuration of the LDM41E and LDM42E is necessary average value SA 00eeeeeeee 1 display format SD d measure time ST 0000eeeeee 0 scale factor SF nnna cece eee 1 error modelSEl asse EER ee ee ee 1 ALARM center l AC ses ss Es ss se 1000 ALARM hystereselAHJ iss ees ee 0 1 ALARM width AW 0 e00es 100000 distance of Iout 4mA RB 1000 distance of Iout 20mA RE 2000 remove measurement RM 000 trigger delay trigger level TD 0 0 trigger mode trigger level TM 0 1 baud rate BR 0 cece eee ees 9600 autostart command AS 5 ID distance offset OF 000 0 Use instead of PR the Set Standard command from Windows program LDMTool ASTECH GmbH Page 41 Interface Connection LDM41E and LDM42E Manual 9 Interface Connection 9 1 Ethernet Ethernet is the most widely used standard for wired networks The LDM41E and LDM42E r
34. ng LOW to HIGH transition 19 l 8 21 TMx y display set trigger mode trigger leve 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 8 Trigger function is not available for devices with internal heating LDM41E h and LDM42E h Trigger function is not available for devices with internal heating LDM41E h and LDM42E h ASTECH GmbH Page 37 Commands and Parameter LDM41E and LDM42E Manual 1 Trigger function turned on y 0 measurement is triggered on trigger line at L level HIGH gt LOW slope 1 measurement is triggered on trigger line at H level LOW HIGH slope Standard setting is TMO 1 For triggering the trigger level must be permanently applied Examples a ASDT TM11 Trigger signal H gt DT is performed Trigger signal L gt DT is stopped HIGH LOW f te i DT ON DT OFF IE 4 ee Figure 11 Trigger level 1 b ASDM TM10 Trigger signal H no change in state Trigger signal L DM active i e one measurement is triggered Page 38 ASTECH GmbH LDM41E and LDM42E
35. ode please see Chapter 8 Table 3 Pin assignment power supply and trigger Pin Description Colour Comment 1 VCC brown Power supply 10 to 30 V 2 OUT white Switching Output 3 GND blue Power supply 0 V 4 CONFIG black do not use for service only 5 TRIGGER gray Trigger input 3 to 24 V ground potential GND Fast Ethernet The LDM41E and LDM42E has a terminal for circular plug in connectors series 715 D for Ethernet from Binder conforming to the relevant standards Table 4 Pin assignment Fast Ethernet Pin Description Comment 1 TD TD RJ45 1 white orange 2 RD RD RJ45 3 white green 3 TD TD RJ45 2 orange 4 RD RD RJ45 6 green GND wires are connected to an internal collective ground point They provide the reference potential for all voltage values guoted below Note Only use connection plugs and Ethernet cables that conform to the relevant standards Page 16 ASTECH GmbH LDM41E and LDM42E Manual Electrical Connection RS232 Serial Interface Note All commands in Chapter 8 are possible with the RS232 and also with Ethernet Telnet The use of RS232 can therefore usually be avoided The RS232 interface was originally designed as a PC interface only It has now become the standard for serial data transfer for short distances It is subject to interference when used for longer distances in particular in environments with interfering high frequency electromagnetic radiance As a result this inte
36. perature PC esse esse se ee ee ee Ee Re ee ee ee Se ee 31 8 9 SA display set average value 1 20 ees ee ee ee ee ee ee ee Re ee ee 31 8 10 SD display set display format d h sM ees sesse ee ee ee ee ee Re ee ee 31 8 11 ST display set measure time 0 25 esse esse see ee ee ee RR ee Ge ee 32 8 12 SF display setscalefactOF uses ee ee ee ee Re ee RR ee ee RR ee Ge ee 33 ASTECH GmbH Page 3 Content LDM41E and LDM42E Manual 8 13 SE display set error mode O 1 2 esse ee ee ee ee ee ee RR ee ee 34 8 14 AC display set ALARM center ses se ees ee ee se Ee ee ee ee 34 8 15 AH display set ALARM hystereS sesse ee ee ee ee ee ee Re ee ee ee Re ee ee 35 8 16 AW display set ALARM WIdtH ccccsccccssccsssccessecssecesseecsseeeeeees 35 8 17 HO display set Temperature for heating ON esse esse ee ee ee ee ee 35 8 18 HF display set Temperature for heating Off uses esse ee ee ee 36 8 19 RMxyz display setremove measuremenE esse ee ee ee ee ee ee 36 8 20 TDxy display settrigger delaytriggerlevel iis see ee ee ee ee 37 8 21 TMxy display settrigger mode trigger level esse ese ee ee 37 8 22 BR display set baud rate 2400 38400 ee ee ee ee ee ee ee 39 8 23 AS display set autostart COMMANA cccccccssceessecssecesseecseeeesees 39 8 24 OF display set distance OffSet ees ese ee ee ee ee Re ee ee ee Re ee ee 39 8 25 SO set current distance to offse
37. plorer select at first under Tools Security Internet Options the option Local Intranet and then click on Sites In the new window must be clicked on Advanced and in the next window add the IP address of the LDM for example http 192 168 0 51 ASTECH GmbH Page 43 Interface Connection LDM41E and LDM42E Manual 9 2 Serial Interface 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 LDM41E and LDM42E configuration The commands of the serial interface are described in chapter 8 starting page 25 The data output format is determined by parameter SD display format see page 31 9 3 Output Format Ethernet and RS232 The output format on the serial interface is selected by the command SD There are three modes available Parameter Output Format d decimal XXX XXX lt CR gt lt LF gt x 0 9 h hexadecimal lt SPACE gt xxxxxx lt CR gt lt LF gt x 0 F s Decimal with signal xxx xxx lt SPACE gt yyyyyy lt CR gt lt LF gt quality x 0 9 y 0 9 SD affects all commands that output a distance value An output value is calculated from a given measured distance value in mm multiplied
38. removed Repair work on the LDM41E and LDM42E must not be carried out by anyone other than authorized personnel Page 8 ASTECH GmbH LDM41E and LDM42E Manual Safety Instructions Refrain from using the LDM41E and LDM42E without certified protection in an explosive environment Measurement with the LDM41E and LDM42E pointed at the sun or other strong light sources may produce faulty results Measurement of targets with poor surface reflectance in a strongly reflecting environment may also result faulty measurements Measurement of strongly reflecting surfaces may deliver faulty results Measurement performed through transparent optical media for example glass optical filters Plexiglas etc may equally produce incorrect results Measurement on translucent objects materials allow light to pass through but are not transparency e g polystyrene wax different plastics etc can give a too large measured value since also light is reflected by deeper layers Rapidly changing measuring conditions are likely to falsify the result of measurement 2 4 Laser Classification The LDM41E and LDM42E are Class 2 laser product lt 1 mW as stipulated in EN60825 1 2007 Class 2 Caution There is Class 2 Laser radiation Do not stare into beam Figure 2 Warning Sign Laser Radiation Class 2 The Laser power is limited to maximum 1 mW The Laser radiation is visible A short term exposure duration up to 0 25 s is harmles
39. rface should only be used for configuring the LDM41E and LDM42E Please configure using the programming cable and the LDMTool program Note The receiving line of the RS232 serial interface of the LDM41E and LDM42E is deactivated while connecting to the Telnet client If the Telnet connection is terminated the full use of the RS232 is again possible Please observe the RS232 standard The maximum extension of the RS232 lines is 15 m Table 5 Pin assignment RS232 Pin Description Colour Comment RxD brown Receiving line TxD white Transmit line GND blue Ground potential Note Following successful programming remove the RS232 cable and protect the RS232 cable connector with the enclosed sealing plug against entry of dirt ASTECH GmbH Page 17 Electrical Connection LDM41E and LDM42E Manual Programming Cable Connection to a PC reguires the following cable with SUB D 9 F connectors The TxD and RxD signals of the LDM41E and LDM42E and the PC connection are crossed The colours apply to the optional programming cable Table 6 Pin assignment programming cable Pin LDM 4xE Description Colour Pin SUB D9F Description 1 RxD brown 3 TxD 2 TxD white 2 RxD 3 GND blue 5 GND Page 18 ASTECH GmbH LDM41E and LDM42E Manual Electrical Connection 5 3 Shield and Grounding Cable shields must be grounded with low resistance Only high quality shielded cables should be used Carrier bases and control boxes should have equ
40. s to the eye Users are instructed by Laser warning sign see Figure 2 to do not stare into the beam They have to protect themselves by turn the head and or closing the eyes and by avoid a long look into the beam ASTECH GmbH Page 9 Safety Instructions LDM41E and LDM42E Manual Do not direct the Laser beam onto persons The sensor can use without any additional safety protection 2 5 Electric Supply Use only 10 V to 30 V DC direct voltage for LDM41E and LDM42E 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 2 6 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 soiling on its optical parts Do not touch any of the module s parts with bare hands Proceed with care when removing dust or contamination from optical surfaces Prevent shock impacts during transport and use of the LDM41E and LDM42E Prevent overheating of the LDM41E and LDM42E Prevent major temperature variances during LDM41E and LDM42E operation In accordance with IP65 internal protection standards the LDM41E an LDM42E is designed to be splash proof and dustproof Read these safety and operating instructions with due care and follow
41. ssceccceceeseaseecececeesesueeeeeeees 14 Figure 5 LDM41E and LDM42ZE terminals iss ee ee ee se ee Ee Re ee Ee Ge RA ee ee 15 Figure 6 Program LDMTOool iese se se ee ee ee Ee ee ee ee Ee ee ee ee ee Ge eke ee ee ee Figure 7 Program EtherTool Figure 8 Program Telnet for Windows Figure 9 Help text Firmware V7 x devices without heating cccccceees 25 Figure 10 Help text Firmware V8 x devices without heating c c000 26 Figure 11 Trigger level 1 Figure 12 Trigger level 0 Figure 13 Telnet Program Figure 14 LDM41E Sensor Page eie ee ee ee ee ee ee ee AA AA AA AA AA AA AA AA 43 Figure 15 Digital switching output behaViOF sesse esse ss se se ee ee ee Ee Re ee ee 46 Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 Table 12 Table 13 Table 14 Table 15 List of tables Technical data sis i ESE LESERS Ee RE SEER EES Gee GE Re Ee Ee Ra Ee E Se ee 11 LDMA41E and LOMA2E terminalS sesse ees se ee ee ee GR Re ee RA ee 15 Pin assignment power supply and trigger eie ss se se ee ee ee ER Ke 16 Pin assignment Fast Ethernet sees ss ss se se ee ee ee ee Ee ke ee ee ee ee ke ee ee 16 Pin assignment RS232 sesse se se se ee Ee ER ER ER ER ER Ee ER Ee ER Ee Ee ee ee ee ee ee ee ee ee ee iena Pin assignment programming cable sesse se Ee ee ee eke ee PUT VOILA BES sense ee Se Re Ee GE De ee
42. st 4 characters long If no password characters are entered it will be cleared Attention Store the password secure and loss protected The AN configuration mode can call no longer without the password You can use also the program LDMTool via an Ethernet connection Therefore you need software to generate a virtual serial port ASTECH GmbH Page 23 Start up LDM41E and LDM42E Manual 00 14 11 47 88 71 192 168 0 51 3 Set Password 4 Resync and Test 5 Reboot 6 Quit Enter Selection Send UDP Broadcast Info LDOM41E 161369 192 168 6 51 255 255 255 0 00 14 11 47 88 71 Set Subnet Mask Set Password Resync and Test Reboot Quit Search Connect Clear Local IP 192 168 0 19 Local Netmask 255 255 255 0 Disconnect Configuration Logging Verbinden rbeiten Terminal 660 419 606 419 666 418 666 419 666 419 666 418 Information Type S N IP Address Subnet Mask MAC Address Software LDM41E 161369 192 168 6 51 255 255 8 66 14 11 47 88 71 v8 5 Selection 1 Set IP Address Set Subnet Mask Set Password Resync and Test Reboot Quit ON EON Enter Selection ff Figure 8 Program Telnet for Windows 13 The Windows 7 Telnet Client must be activated before using Please activate the Telnet Client with Control Panel Programs Programs and Features Turn Windows features on or off and check then the box Telnet Client Pag
43. t iss ee se ee ee ee Re ee 40 8 26 LO Laser ON sisssscescocecassessnvesaedseas anda ERGER OSSE TEBEA RES ESEG RIGE SESSE SER 40 8 27 LF laser Off ie EP Re Ee ed Ee EE Ee RR Ee EEA n bee 40 8 28 PA display settings esse see ee ee AE Ge Ee Re ee ER AA ee ee ee 40 8 29 PR fesetsettfgs se EE ER GE AAN SEGE 41 9 literfacesCofineEtON sei ss ccs Ee ER RS Re AR NE cas EER EEN 42 9 1 Ether Ae ee EA EE OE RE EE AE 42 9 2 Serial Nterface RS23 2 EE Se be N Ge Dee ee ge A 44 9 3 Output Format Ethernet and RS232 iese se se ee ee ee ER ee ee ee 44 9 4 Digital Switching Output Alarm ees sesse ee ee ee ee ee ee ee ee 45 9 5 trigger INDUSEER ER EES NEE HE RENE Se Gee Her e Ea ee Eed nee ee N Ee Gee ese 47 TO Listof Commands sees Ee ER ER Ee ie cid eg ee ee ee ede dees 48 11 Error Codes REEDE EES tahoe e Dee See e een EDGE ee ee id 50 12 EG Declaration of ConformitY iese esse se se ee ee ee Ee RR ee ee Re ee ee ee 51 13 Part NUMDersis EE Ee BE Ee GE ee EG EE GE Ge bee 52 Page 4 ASTECH GmbH LDM41E and LDM42E Manual Content ll List of Figures Figure 1 Measurement principle cccccccccccessesesaeceeececsesssaeeeeeesceesesaeeeeeesens 6 Figure 2 Warning Sign Laser Radiation Class 2 c cccccccccsssssscecececsesssteeeeeeeees 9 Figure 3 Dimensional drawing cccessscccccecseseseeecececeeseeeeeeeececeessaeeeeeeeees 13 Figure 4 Offset against ZCrO CAdBeC ccesessccccecsesss
44. t measurement 1 Positive alarm hysteresis LOW RE gt RB Current 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 8 14 AC display set ALARM center AC sets the beginning of the distance range for which the switching output will be turned active The length of this active range can be set using the AW parameter Page 34 ASTECH GmbH LDM41E and LDM42E Manual Commands and Parameter AC must be selected in keeping with the currently set SF scale factor see 9 4 Digital Switching Output Alarm 8 15 AH display set ALARM hysterese AH allows you to make parameter settings for the switching hysteresis at the beginning and the end point of the active range of the switching output AH must be selected so it is properly matched to the currently valid scale factor SF The mathematical sign of AH can be used to set an active state logic level Positive sign 4 active range is HIGH active u u Negative sign active range is LOW active No sign setting means positively signed see 9 4 Digital Switching Output Alarm 8 16 AW display set ALARM width AW pa ets the length of the active range beginning at AC AW settings must be made in agreement with the currently valid SF scale factor AW is always equal or greater than 0 zero AW is always equal or greater
45. terface Connection 9 5 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 This input is used only in trigger mode DF DF distance measurement with external trigger It is for the user to specify a desired delay time and a pulse slope to be selected for synchronization see 8 20 TDx y display set trigger delay trigger level The distance measurement will always be started with a delay of 5 ms in addition with the programmed trigger delay time Having done this the LDM41E and LDM42E has to be switched to trigger mode see 8 6 DF distance measurement with external trigger 1 Trigger function is not available for devices with internal heating LDM41E h and LDM42E h ASTECH GmbH Page 47 List of Commands LDM41E and LDM42E Manual 10 List of Commands Table 13 Command list LDM41E and LDM42E Command DT DS DW DX DF DM TP SA SD ST SF SE AC AH AW HO HF RM TD TM BR AS OF SO Description Starts distance tracking Starts distance tracking lt 7 m Starts distance tracking on white target at 10 Hz Starts distance tracking on white target at 50 Hz only LDM 42E Starts remote triggered single distance measurement single shot Starts single distance measurement single shot Queries inner temperature Queries sets floating average value 1 20 Queries
46. than AH the amount of AH Standard setting is 100000 means off 8 17 HO display set Temperature for heating on HO displays sets the temperature value at which the internal heating is switched on The values can be varied between 40 C and 70 C Standard setting is 3 C 17 Only for devices with internal heating LDM41E h and LDM42E h ASTECH GmbH Page 35 Commands and Parameter LDM41E and LDM42E Manual 8 18 HF display set Temperature for heating off HF displays sets the temperature value at which the internal heating is switched off The values can be varied between 40 C and 70 C Standard setting is 12 C 8 19 RMx y z display set remove measurement Standard setting 00 0 RM is intended to facilitate settings for a range of expected distance values Values which are found to be outside of this expected range will be corrected until matching the most recently valid measured values RM is only effective in DT mode It consists of three parameters which are separated by space 20h x designates the number of preceding measured values that will be evaluated in the case of non conforming measurement A maximum of ten preceding measured values can be evaluated y defines the range of permissible values If this range is exceeded in negative or positive direction the respective measured value will be corrected accordingly Z stands for the number of values that are out of the permissible
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