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User Manual Anwenderhandbuch engl. VLM 200

1. inputs The IN1 external directional input and IN2 trigger inputs on the connection card are electrically isolated by optical couplers An input current of 40 to 0 3 mA corresponds to the LOW level and a current of 5 to 40 mA to the HIGH level The maximum input frequency may not exceed 10 Hz in the case of a mark space ratio of 1 1 In the case of F series devices the frequency at the IN2 trigger input may equal up to 500 Hz The connection of an external directional transducer to IN1 should be given preference over an internal directional identification option DIR ASTECH 2006 Page 18 VLM 200 User manual Connection The IN2 trigger input serves to control the internal calculation of length refer to Trigger command and the synchronisation of outputs to external signals Thus e g the measured length of an individual part can be output after its end refer to Trigger and S Output commands In the case of the internal laser light barrier option for the measurement of individual parts IN2 is connected to the laser light receiver integrated in the measuring device The signals for direction and trigger must be de bounced Mechanical contacts switches and relays may be used only if the signals are switched when the measured object is standstill 6 3 3 OUT output The two OUTI and OUT2 outputs ABl connection card are also electrically isolated by optical couplers In the
2. output It is possible to switch between phase B or direction output Additionally the second serial interface S2 as RS232 or RS485 can be assembled IKII m D D N N Cc r Z N BBBZ HIALSY q I0 y LNdLno noo l an x J mg nm Zens gt lt Si 2OSU TAYASASU BIg Figure 11 ECC2 interface card Meaning of DIL switch termination for RS 485 option SW601 1 RS 485 with 120 Ohm terminating resistor ON RS 485 without termination OFF Meaning of DIL switch output SW602 1 SW602 2 Phase A and phase B ON OFF Phase A and direction OFF ON default setting Table 3a b Meaning of the DIL switch ECC2 Note When using the IF1 IF2 or IF2F interface cards the function of the ECC2 interface card can be realised by the ECCI designed as an independent device IP65 The ECCI allows the above described switch over function and additionally provides a power supply of 24 Volt e g for the shaft encoder The ECC1 is controlled by the OUT3 status output ASTECH 2006 Page 24 VLM 200 User manual Operating instructions 7 Operating instructions The VLM 200 operates autonomously after programming and requires only very little maintenance If need be the maintenance is limited to the cleaning of the windows and the replacement of the halogen lamp refer to chapter on Maintenance During operation the Test and Error commands can be used for diagnostic purposes refer to chapter on Progr
3. 10 1 5 Pulse a commands Possible values Definit valies INCOn On Off 0 Off 1 On OUT1 2 2 On IF2 IF2F 3 On OUT1 2 IF2 a Peanut 3 values for IF2 IF2F ee eS ter DE output l Trigger ovare 7 Menge R Measuring rate e bE PINC Indicates the parameters e 10 1 6 Output via serial interface 1 commands SIOn On Off 0 Off pn con SlFormat Output format Refer to description V 60 6 2 DE BE nn SIInterface Sets the serial interface Refer to description 9600 N X S1Output Time or trigger controlled 0 Time output 1 Trigger SITime _ Outputtime fms 1 10 655355 500m Indicates the SI parameters b lt ASTECH 2006 Page 54 VLM 200 User manual Appendix 10 1 7 Output via serial interface 2 commands Possible values Default value S2On On Off 0 Off 1 On Refer to description VL RT42 S2Interface Sets the serial interface e Refer to description 9600 N X S20utput Time or trigger controlled 0 Time output 1 Trigger 3 65535 Indicates the S2 parameters booo y oO 10 1 8 Offline measurement commands Possible values Default values S OFF Value Value V Velocity L Length N Object counter R Measuring rate OF Factor _ Scalins factor 0 000001 231 10 measurement OFFMeasure 1 _ 65535 10s OFFOutput Moment of the output to the 0 Time memory 1 Trigger 2 Burst synchronous eo OFFRead Reading of the offline data OFFTime Average and st
4. Even numbered parity Table 12 Setting of RS 232 interface Automatic baud rate identification No parameter indicated If the baud rate is specified as 0 the VLM 200 identifies the baud rate automatically after switching on provided that the first character arriving is a CR ODH 9 6 4 The S Output command This command determines whether the measuring value should be sent either within a selectable time interval refer to S Time command when a trigger event occurs refer to Trigger command or at each burst Syntax S1Output n n 0 1 2 ASTECH 2006 Page 43 VLM 200 User manual Programming 9 6 5 The SITime command This command determines the time interval in ms in which the data is to be output to interface S1 During the velocity measurement all values occurring bursts are averaged in the averaging time refer to Average command The data are then output at the same intervals as the time set by S Time Syntax S1Time n n 10 65535 unit ms 9 6 6 The PSI command Indicates all parameters of the serial interface 1 Syntax PSI 9 7 Output via serial interface 2 Via serial interface 2 optional IF1 or ECC2 interface card data can be output in the same way as via serial interface 1 All commands apply accordingly only S1 should be replaced by S2 Serial interface 2 can however only be used for data output and not for command input In the case of the S2 nterface command it should be observed
5. External laser light barrier LE LE VLM 2 for measurement of individual parts consisting of an external receiver with adjustable holder and an external laser with adjustable holder Light barrier controller LBC 2 LBC 2 to increase the accuracy of individual part measurements for connection of 2 x LE VLM 2 230V AC power supply incl connection plugs Light barrier controller LBC 2 with PG9 screw fittings LBC 2 PG9 4 5 Light barrier controller LBC 8 with PC and Windows LBC 8 Package Software Complete solution to the increase of the precision of single part measurement connection of up to 9 light barriers possible including LBC8 electronic PC card PC Windows XP LCHECK Software displays as histogram store as file as well output serial or via Profibus DP 10 7 5 Counters and displays Comfortable counter display PAXI PAXI RS485 for switchboard mounting 85 250 V AC or RS 485 and optional RS 232 for display VLM 200 measuring rate two PAXI RS232 switching outputs display red programmed for VLM 200 connection 5 2 Comfortable counter display PAXICA PAXICA RS485 IP65 steel housing or data as PAXI all connections can be screwed incl all connection cables PAXICA RS232 a 5 m short documentation 5 3 Digital display for analog signals PAXD for switchboard mounting 85 250 V AC input 0 4 to 20 mA display red programmed for VLM 200 connection displays 0 100 at 4 20 mA analog signal all connections ca
6. Ro Inserts the measuring rate E nserts the exposure 0 to 14 or OVER as in Test command Bo nserts the number of bursts since the last trigger event Changes the end identifier of the output string from CR LF to str E Table 11 Parameter for output formatting at S1 1 If no positions are specified in the case of a numerical output length and velocity are output with three digits after the decimal point in the standard unit refer to appendix All other values are output without digits after the decimal point 2 The hexadecimal output in a H n format is output with first a sign character minus sign or space afterwards n decimal digits Every byte needs two decimal digits Without parameter n 9 characters are output for 4 bytes and the sign character 32 bit number Leading zeros are not suppressed 3 The special format S realise a fast output of velocity and measurement rate The hexadecimal output should be preferred if values are to be output in a time base faster than 50 ms refer to S Time as the conversion in hexadecimal digits requires considerably less computation time If time base lt 20 ms use only format S ASTECH 2006 Page 42 VLM 200 User manual Programming Without format indication the output is left justified leading zeros are suppressed except in the case of hexadecimal output In the case of format specifications space characters are used as fillers If the value exceeds the possible number
7. the number of averaging windows to 4 WINDOWS is the standard setting from Software V 6 5 Note that all internal processes and outputs are synchronised to Average Outputs which are not released at the Average moment e g output time differs by a multiple from Average or trigger controlled outputs are only carried out after achieving the next cycle specified by Average 9 11 2 On the operating principle of the S series Devices of the S series also allow the synchronisation of the averaging processor and thus of the complete system via an external signal In order to reach this a clock frequency of 30 to 500 Hz must be connect to the trigger input IN2 The Average and Trigger parameter must be set both to 0 The NCOutput I SlOutput 1 etc commands allow the configuration of the externally synchronised output of the velocity value If for example two or more measuring devices of the types VLM 200 S or VLM 200 SD are controlled by the same clock frequency it is possible to carry out highly precise and dynamic differential velocity measurements The following conditions must be observed e The parameterisation of the devices is the same The devices should be mounted in the same direction of movement and are equipped with a high resolution pulse output IF2 or IFZF interface card or a fast serial output e A serial transfer can also be realised with medium and low dynamic e A necessary directional switch over is carried out
8. 200 km 8 up to 800 m min 0 14 up to 13 3 m s 185 15 mm 0 2 gt 8 ms yes almost al surfaces universal VLM 200 parameter DIRECTION 4 8 ASTECH 2006 VLM 200 FA 4 up to 1500 m min 0 07 up to 25 m s 0 1 lt 0 1 185 7 5 mm 185 7 5 mm 8 up to 3000 m min 0 14 up to 50 m s 185 15 mm 0 2 gt 2 ms moving average almost al surfaces universal Measuring range depends on the applied FB 1 filter refer to appendix Further information can be found in data sheets VLM 200 SA 4 up to 1500 m min 0 07 up to 25 m s 0 1 lt 0 1 185 7 5 mm 185 7 5 mm 8 up to 3000 m min 0 14 up to 50 m s 185 15 mm 0 2 gt 2 ms moving average almost al surfaces Difference measurement VLM 200 D 2 up to 400 m min 0 03 up to 6 7 m s 0 1 lt 0 05 240 7 5 mm 240 15 mm 200 km 4 up to 800 m min 0 07 up to 13 3 m s 240 30 mm 0 2 gt 8 ms yes metallic surfaces universal VLM 200 FD 2 up to 900 m min 0 03 up to 15 m s 0 1 lt 0 05 240 7 5 mm 240 15 mm 4 up to 1800 m min 0 07 up to 30 m s 240 30 mm 0 2 gt 2 ms moving average metallic surfaces universal VLM 200 SD 2 up to 900 m min 0 03 up to 15 m s 0 05 lt 0 03 240 7 5 mm 240 7 5 mm 4 up to 1800 m min 0 07 up to 30 m s 240 15 mm 0 1 gt 2 ms moving average synchronously me
9. 3 3 The ANMax command This command allows to set the maximum value for the analog output Syntax ANMax n n 230 103 230 10 3 According to the individual direction it can become necessary to set a negative value UN for ANMAX if e g the device is assembled in the opposite direction to the direction of movement Use the Test command to check the sign character 9 3 4 The ANOutput command This command determines whether the output value is updated after the time interval set by the Average command ANOutput 0 refer to Average command or when a trigger event occurs ANOutput l refer to Trigger command Syntax ANOutput n n 0 1 9 3 5 The ANValue command This command determines whether the velocity the length the quantity of objects or the measuring rate should be output Syntax ANValue c c V L N R ASTECH 2006 Page 37 VLM 200 User manual Programming If the Option Analog Output for Exposure exists and ANValue R s set at the velocity of zero the value of the exposure time is output to the analog output This function can be used as an adjustment help in pipe profile and wire measurement applications The message Option Analog Output for Exposure is output via the S1 interface when the device is switched on 9 3 6 The PAN command Indicates all parameters of the analog output Syntax PAN 9 3 7 Example of analog output In the following diagram output 4 to 20 mA is represe
10. VLM 200 with IF2 interface card ASTECH 2006 Page 79 VLM 200 User manual Appendix 10 12 4 Connection example 4 VLM 200 with IF2 PP Wiring VLM 200 Socket 2 s occupied by active status signal directional and trigger input Socket 4 1s occupied by high resolution active pulse outputs 2 A A B B GND RxD brown o optoisol TxD ali Le a RS232 Em S1 GND _ blue 1 3 GND PC COM shield connection 1 121 24 V externaly status output optoisol outputs j GND direction optoisol inputs trigger connection 2 earth digital IN OUT protection circuit connection board AB1 15 30V N pulses 2 phase A A pulses 2 i phase A pulses 2 i phase B optoisol pulses 2 push pull i phase B driver GND V connection 4 protection circuit earth interface board IF2 PP brown 3 2 L1 blue 3 3 N mains green ellows PE SS WEN tet connection 3 power supply 230V AC Ben Figure A7 Connection example VLM 200 with IF2 PP interface card ASTECH 2006 Page 80 VLM 200 User manual Appendix 10 12 5 Connection example 5 VLM 200 with IF2F 422 and analog output Wiring VLM 200 Socket 2 is occupied by pulse output 1 status signal and directional input Socket 4 is occupied by high resolution pulse outputs 2 and socket 5 with high resolution pulse outputs 3 and analog output brown aM 1 RxD RS232 white 51 2 TxD sof En ui GND A blue 1 3 ai RS232 Interfa
11. a a EE 27 10 12 1 Connection example 1 VLM 200 without options uussssssssnnnsnnsnsssseneeennnnnnnnnnnnnnnnnn nennen 71 10 12 2 Connection example 2 VLM 200 with IFI RS422 oo ccccssseeeccceceeeeeeeesesseeeceeeeeeesseuenes 78 10 123 Connection examiple 3 VLM 200 with IP Er ae a er eoecaiae 79 10 12 4 Connection example 4 VLM 200 with IF2 PP uuesssssssssnnnsnssssssenennnnnnnnnnnnnnnnnnnnnnennnn 80 10 12 5 Connection example 5 VLM 200 with IF2F 422 and analog output ussseeeeeeeeeeeeen 81 10 33 Installation drawins ze aaa 82 Linde ns ei S 83 12 C 8n1ormmly geclaratl on see ira aaa 85 ASTECH 2006 Page 5 VLM 200 User manual Introduction 1 Introduction The VLM 200 measuring device for velocity and length is suitable for taking measurements on a wide variety of materials The VLM 200 operates optically without contact and implements the physical principle of the spatial filter via the use of a CCD sensor Optically resolvable structures of the material surface are mapped on the CCD sensor which derives from the motion a frequency from which the velocity can be calculated The VLM 200 measures the velocity of solids or particles A subsequent integration calculates the length The integration can be controlled by an external signal start stop controlled by signal trigger The velocity is calculated and the length integrated based on positive and negative sign The direction can be
12. between RS485 or RS422 and to switch the terminating resistors There are no DIL switches in the RS232 component variant It should be observed that the RS485 interface must be terminated at both cable ends with 120 Ohm and the RS 422 interface with 100 Ohm at the last receiver Meaning of 4 fold DIL switch RS485 422 SW500 1 SW500 2 SW500 3 SW500 4 RS485 ON ON RS422 with receiver open circuit fail save OFF OFF RS422 without receiver open circuit fail save OFF OFF OFF OFF Meaning of 3 fold DIL switch termination SW501 1 SW501 2 SW501 3 RS 485 with 120 Ohm terminating resistor bet i pe RS 485 without termination RS 422 with 100 Ohm terminating resistor RS 422 without termination Default setting Table 2 Meaning of the IF DIL switch ASTECH 2006 Page 20 VLM 200 User manual Connection 6 5 IF2 interface card The optional IF2 interface card provides two high resolution pulse outputs each with 2 phases and a frequency range of 0 4 Hz up to 25 kHz Resolution and error equal 20 ns each The maximum cable length is 50 m Additionally an optically isolated analog output 16 bit resolution 4 to 20 mA or 0 to 20 mA can be assembled O CWIN ZAI BBBZ HIALSY O Figure 8 IF2 interface card The four OUT4 to OUT7 outputs are electrically isolated by optical couplers The OUT4 5 and OUT6 7 outputs can be scaled independently of each other NPN transistors are used The necess
13. case of a pulse output a clock out of phase by 90 is made available refer to pulse output Furthermore the outputs can be alternatively switched by the alarm function The OUT3 output status is optically isolated by an optical coupler As a standard it indicates that measuring signals exist and has a corresponding function to the SIGNAL LED at the front of the VLM 200 If the LED indicates green OUT3 is switched through The output can be programmed via either the Minrate command or the ECC control The output transistors can drive a maximum current of 40 mA each If an external voltage of 24 V is to be used load resistors of 1 2 kQ each should be used to reach 20 mA The OUT 1 to OUT 3 outputs are short circuit and surge proof Connection card AB 2 PP with push pull outputs The card AB 2 PP can be installed instead of the AB1 inside the VLM 200 The push pull outputs OUT 1 2 and 3 provides 20 mA per each and 24 V level ASTECH 2006 Page 19 VLM 200 User manual Connection 6 4 IFI interface card The optional IF interface card provides depending on the components an additional interface serial interface 2 RS 232 with handshake signals RS 422 RS 485 each optically isolated and or an analog output 16 bit resolution 4 to 20 mA or 0 to 20 mA O O zu TI gt gt N Cc rm N t seco zesa gt C Beaz HIILSY Figure 7 IF1 interface card The DIL switches serve to switch over
14. edge Low high edge H L edge High low edge Table 9 Trigger type Individual part If the signal goes to the active level the length measurement is started and stopped at the next level change Continuous measurement Measurements are made continuously A tr gger edge stops the measurement and simultaneously triggers the next measurement Trigger O Trigger 1 i Trigger 2 r Trigger 3 l l i j i l l l Figure 16 Measured length depending on the trigger level and the Trigger command If a stop of the length measurement the relevant output channel is simultaneously updated in the case of a trigger synchronous output see commands ANOutput INCOutput Sl Output 9 2 Alarm output A limit monitoring with a minimum and a maximum value has been realised The length or average velocity can be monitored The query occurs either after expiry of ALTime or after a trigger event refer to ALOutput command The amount of the value is always monitored 1 e a negative sign will be ignored The limit value excesses or inadequacies are output to the electrically isolated OUTI and OUT2 outputs For this reason the alarm output and pulse output can only be used alternatively ASTECH 2006 Page 35 VLM 200 User manual Programming 9 2 1 The ALOn command This command switches the alarm output on or off Syntax ALOn n n O off 1 on 9 2 2 The ALMax command The ALMax command sets the MAX value for the alarm f
15. for VLM 200 22202220sssssssssssssssssssesssnnnnnnnnnnnnnnnnennnnnnnnnnnnnn 68 10 7 9 Installation accessories and other equipment for VLM 200 2 0 ccccccccccceeeceeeeeseeeeeeeeeeees 69 10 8 Additional distributors and assembly instruction for connectors eeeeeeeeneeeeeeeeeennnennnnnnnnnnnnnnnnnn 70 10 8 1 Cable connector for connection 1 RP Des an ea 70 10 8 2 Cable connector for connections 2 4 and 5 signals IN OUT 22222eee 70 10 8 3 Cable connector for connection 3 115V AC 230V AC unuensennennsenennsensnnnsnnsnnnnennnnnnnen 70 10 8 4 Cable connector for connection 3 24V DC oo cee ceccecceccccceccsccecccscesccsscescsscesceecensens 70 10 8 5 Assembly instruction for screened connector eeeeeeesseseeeeeeeeennnnnnnnnnnnnnnnnennnennnnnnnnnnnnnnnnnnnenennnenn 70 10 86 BIN assisniments for cable connect ee La 71 10 9 Orderin codes TOF Iter aCe Cards ans A 12 10 10 Maximum velocity depending on the limit frequency of the filter board FB1 73 LOJE Descriptions of ie AMC HAG C Sacara era 74 10 112 IRS 232 merice AB LIFR ECO ee ech 74 19 112 IRS 422 merice OEL IEDAD ee ee rennen 74 IO LL33 RS 485 interface IFL EC See ee a E E 75 10 114 Optcalcoupler input ABS ECO Er ae a a era T3 10 1155 Passive transistor output ABT TF2 susanne ee aa 76 19 11 6 Activeoutput diver IF2 PP and AB VPP Jersio nee E ea 76 10 12 Wing examples enni a a
16. interface cards e Second serial interface S2 on IFI interface card RS 232 RS 422 RS 485 e IFI analog output 4 to 20 mA other ranges optional e IF2 series interface card with two high resolution pulse outputs and partially optional analog output e ECC2 shaft encoder coupling with optional serial interfaces S2 RS485 e For network connection IFPROFI Profibus DP or IFETHER UDP IP TCP IP All interfaces are distinguished by a high flexibility programmable scaling and output time and can be easily configured 2 4 Configuration All configurations can be made using a PC and a terminal program via the serial interface S1 RS 232 The individual commands are described in the chapter on Programming The set parameters can be protected by a password Any changes made are lost after switching off the device if they were not saved by the password protected Store command ASTECH 2006 Page 8 VLM 200 User manual Equipment design 3 Equipment designs There is a range of various equipment designs series available which are compatible with each other both electrically and as regards connection The majority of the options interface cards mounting accessories etc can be used with all designs Differences in the possible measuring range in the measuring distance and in the distance variance result due to the different optics of the A L and D device series The devices of the F and S series have a fast signal eva
17. m S S Si s s Sh O S RIS S S g 5 I D Q MEREN S F S No X Q a vw oO QO x O Page 52 VLM 200 User manual Appendix Starts length integration gt e Step __Stups len integration length integration hb oo bo o Test Testcommand h b o b Trigger Trigger 0 H level as Dir l L level as Dir 2 L H slope 3 H L slope Lc Sc cc only Notes The Test command is automatically interrupted after 60 seconds The Parameter C suppresses the automatically abort 10 1 2 Alarm output commands Possible values Default values ALOn Activates alarm function 0 Alarm off 1 Alarm on ALMax Mx value 0 0001 21 104 ALMin Mingle Min value 52 10 0001 231 104 e ALOutput Time or trigger controlled 0 Time ewe Coonan ietmgger ALValue Value to be monitored V Velocity V Es nen EEE pe DEE HE HE parameters 10 1 3 Analog output commands fren HE O EEE l On ihn DE Bee PO 230 10 6 ies Meme Bee 230 10 6 ee ep tee P output l Trigger ANValue Value V Velocity L Length N Object counter R Measuring rate PAN Indicates analog parameters J ooo db o 10 1 4 ECC control commands Possible value Default value ECCOn On Off 0 Off P TE ECCRI ECCR2 a oOo ASTECH 2006 Page 53 VLM 200 User manual Appendix ECCVI Velocity 1 0 231 104 0 0800 ECCV2 Velocity 2 0 0001 231 104 0 1200 PECC Indicates ECC parameters J o ooo oo o booo y
18. of the format specifications the necessary number of places is output The decimal point and a possibly existing sign character only for negative figures also occupy one place The standard end identifier of the output string is CR LF 13 10 or ODH OAH With the parameter T it is possible to replace the standard end identifier on the following string The characters are enclosed in apostrophes or specified by the appropriate ASCII Code for example T A 10 for A LF or 742 for A maximum of two characters is permitted The ASCII code should always be specified in decimals 9 6 3 The Slinterface command The S Interface command configures the serial interface Baud rate type of protocol and parity are set All parameters can be set individually or simultaneously The sequence of parameters is of no significance All unspecified parameters are reset to the pre set values no protocol no parity The format is determined as 8 data bits and 1 stop bit If the parity is activated the 8th data bit is replaced by the parity bit A parity error is indicated by E11 SI parity and a buffer overflow by E12 S1 buffer overflow refer to error messages in the appendix Syntax SIInterface n c c n c see below For the Baud rate the following values are possible n 0 600 1200 2400 4800 9600 19200 38400 Type of protocol No protocol No parity Software protocol Odd numbered parity XON XOFF codes
19. restarted Syntax Start 9 1 21 The Stop command The effect depends on the Trigger command Only in the case of an individual part measurement is the integration of the length stopped Syntax Stop 9 1 22 The Test command This command displays a number of values which provide information about the system functionality The following set values are displayed velocity length measuring rate IN1 IN2 inputs and lighting incl Over for overdrive of the CCD sensor The display is updated every 333 ms During the test command the S1 output is blocked The procedure can be aborted by ESC otherwise the command terminates automatically after 60 seconds The automatic abort can be stopped by specifying the C parameters Eo V m s L m RATE INI IN2 EXPOSURE a S moo N Oo 1 0 3 gt Figure 15 Screen display Test command Syntax Test C Parameter C suppresses the automatic abort The test command can possibly delay the output to other channels Therefore it should only be called when necessary ASTECH 2006 Page 34 VLM 200 User manual Programming 9 1 23 The Trigger command The Trigger command serves to determine the type of trigger signal Each trigger event increases the object counter by 1 refer to Number command Syntax Trigger n n 0 1 2 3 Level at IN2 Application 0 H level o High 5 to 40 mA _ Individual part measurement Low 40 to 0 3 mA Individual part measurement L H
20. symbols are used to accentuate particular hints AN Attention TAN Hint AN Information ASTECH 2006 Page 6 VLM 200 User manual Principle of operation 2 Function 2 1 Physical principle The VLM 200 operates optically without contact and implements the principle of the spatial filter via the use of a CCD sensor Spatial filter is the generic term for a measuring principle for the non contact determination of the velocity and length of moving materials The spatial filter is based on the filter effect of erid like structures grid modulation The function of the VLM 200 can be described in simple terms as follows The lens is oriented towards the moving measuring object the object forming an image on the CCD line The CCD line is operated as an optical grid no image pickup To illuminate the measuring object a white light source is used System hums of the lighting and external light are suppressed by the principle Due to the grid modulation the movement of the object generates a frequency which is proportional to the velocity 1 e the structure of the measuring object brightness contrast generates a signal This signal is hereinafter known as burst These bursts are evaluated by the system e the signal frequency is measured and the velocity calculated thereof There are several control circuits that enable an automatic adjustment to the most varied of materials material surface structure and brightness Ill RS
21. that the baud rate is limited by the hardware depending on the interface used The baud rate of the 2nd serial interface can be set as follows 2400 4800 9600 19200 38400 and 57600 The H parameter can be specified for the S2 nterface command this activates the handshake lines only option IF1 with RS232 ASTECH 2006 Page 44 VLM 200 User manual Programming 9 8 Offline measurement 9 8 1 The OFFLine command In the OF FLine operating mode the measuring values as described before are not output to an interface but instead written into the internal memory The operating mode serves to create the velocity time processes and to accommodate very fast processes AN During the offline measurement none of the output channels are updated 1 e pulse analog and serial specifications are not possible The OFFLine command starts the Offline measurement The optional T parameter causes a trigger event to be awaited refer to Trigger command A maximum of 16256 values 64 bit each can be accommodated Each value is filed as a time and measuring value 32 bits each The BUSY LED yellow is on during the measurement The measured data are written over by a restart only and are lost in the case of a power off A premature abort is possible via ESC An abort by ESC or a full memory causes an error message to be output refer to Error messages in appendix Syntax OFFLine T T wait for trigger event 9 8 2 The OF Factor command T
22. the Readpara command to the device Syntax REM s 9 1 18 The Serialnumber command This command displays the serial number of the unit Syntax Serialnumber 9 1 19 The Signalerror command This command influences the error handling in the case of signal failures the parameter 1 causing the output of an error after a signal failure and the exceeding of Holdtime i e the velocity and length values are marked as incorrect then E EEE is output for example The same effect is achieved with switched on measuring rate monitoring refer to Minrate command if the value falls below the selected measuring rate In the case of parameter O no error is recognised but instead the velocity is output as zero and length integration is stopped This also allows a standstill of the measuring object ASTECH 2006 Page 33 VLM 200 User manual Programming The signal lamp and the status output OUT3 are not influenced by the Signalerror command Syntax Signalerror n n 0 1 Oo Signal failures permitted Error if no signal Table 8 Signal error 9 1 20 The Start command The effect of the Start command depends on the Trigger command which determines whether an individual part measurement or a continuous measurement occur In the case of an individual part measurement the integration of the length is started as of the length value of 0 In the case of a continuous measurement the integration of length is stopped and simultaneously
23. the VLM 200 h Series for Glowing Surfaces No Item No Description 1 10 VLM 200 D h Type VLM 200 D h for glowing surfaces design with increased distance variance and working distance 240 mm with internal length measurement low 2 m min velocity possible Notice for VLM 200 Types Standard 230 V AC power supply with serial interface RS 232 and one output with two phases velocity range to customer request at no extra cost Scope of delivery Device handbook power supply cable spare lamp RS 232 programming cable cover plug for programming connection connection plug grounding cable adjustment aid for working distance and terminal program for configuration via PC 3 5 disk 1 11 VLM 200 FD h Type VLM 200 FD h for glowing surfaces see notes to VLM 200 A design for regulating tasks with high measuring dynamic due to gliding average minimum update at output 2 ms pulse or 5 ms analog increased distance variance and increased working distance 240 mm low 2 m min velocity possible without internal length measurement 1 12 VLM 200 SD h Type VLM 200 SD h for glowing surfaces see notes above design for synchronous differential speed measurements with high reproducibility and high measuring dynamic due to gliding average minimum update time at output 2 ms pulse and 5 ms analog increased distance variance and increased working distance 240 mm low 2 m min velocity possible without internal length m
24. the device information with software version and serial number as after switching on the unit Syntax Info 9 1 13 The Minrate command The measuring rate monitoring is activated by the Minrate command and a parameter greater than 0 Minrate without a parameter reads the set value If the measuring rate falls below this value the signal LED is red and the OUT status output is opened refer to chapter on Outputs A dirt level control of the windows can be programmed with the Minrate command for example Useful values for Minrate are 5 to 20 The measuring rate is always monitored after the time set by the Average command Average should be set not too low in the case of low velocities Note that the OUT3 output is open even in case of material standstill or if no material is located in the working range Then the signal LED is red If the measuring rate monitoring is activated and Signalerror set to 1 the measuring value is marked as incorrect if the value falls below the minimum measuring rate then E EEE is output for example refer to Signalerror command When switching on the ECC control refer to ECCOn command the measuring rate monitoring is deactivated ASTECH 2006 Page 32 VLM 200 User manual Programming Syntax Minrate n n 0 off n 1 99 on 9 1 14 The Number command This command sets the object counter to the value n Number without parameter reads out the counter Switching off the unit sets the counter t
25. the receiver is ready to receive again he sends the XON signal The transmitter then continues the transmission RS 232 physical transmission parameters Maximum cable length 15 m 30 m with special low capacity cable Maximum send level ESV Minimum send level 5V Minimum receive level ZN Load resistance 3 to 7 kOhm Load capacity gt 2500 pF 10 11 2 RS 422 interface IF1 IF2 422 The RS 422 interface serves to transmit serial data over long distances In the case of the VLM 200 the RS 422 interface is used to transmit measuring values In addition it can be useful to convert the programming interface RS 232 to RS 422 in order to bridge greater distances The interface allows full duplex operation i e a party can send and simultaneously receive data from another party A maximum of 10 RS 422 receivers may be connected with a transmitter The serial data are transmitted as voltage difference between the 2 wires of a cable RS 422 physical transmission parameters Maximum cable length 1200 m according to individual cable and transmission rate Maximum send level 5 V Minimum send level EDV Minimum receive level 200 mV Load resistance 1x 100 Ohm at the cable end receiver termination Of course encoder pulses can also be transmitted via an RS 422 interface as the standard determines only the levels impedance etc but not the type of data Thus the IF2 422 interface card provides 2 pulse channels each with 2 phases
26. velocities as the minimum possible velocity is 0 008 m s 0 5 m min The devices of the L series have an extended working range of 170 10 mm 3 6 VLM 200 S series Devices of the S series correspond to those of the F series however also allow the synchronisation of the averaging processor and therefore of the complete system via an external clock signal If two measuring devices of the VLM 200 SD type are controlled by the same clock signal the complete processing of the measuring value of both devices is synchronous to the set clock signal Using this configuration it is then possible for example to carry out highly precise and dynamic differential velocity measurements for further details refer to chapter on the F and S device series The VLM 200 SD measuring devices are distinguished by an especially high reproducibility rate of lt 0 03 for a working range of 240 7 5 mm ASTECH 2006 Page 10 VLM 200 User manual 3 7 Summary of equipment designs Velocity range in m min Velocity range in m s Accuracy Repeatability in range Working distance Internal length range Widen velocity range in m min Widen velocity range in m s Working distance for widen range Accuracy in widen range gt Averaging and updating Optional automatic directional detection Material Application VLM 200 A 4 up to 400 m min 0 07 up to 6 7 m s 0 1 lt 0 1 185 7 5 mm 185 7 5 mm
27. via an external signal command Direction lt 3 Programming examples of the S series with pulse output IF2F Average 0 external synchronisation Window 8 8 w ndows Trigger O H active Direction 1 devices mounted in the opposite direction to that of movement Minrate 10 programming of the monitoring output INCOn 2 high resolution pulse outputs switched on INCFactor I 10 10 factor 10 pulses mm for high resolution outputs INCOutput I updating of the pulse output trigger synchronous The 24 Volt cycle at the IN input allows a maximum synchronisation frequency of 500 Hz 2 ms A frequency of 100 up to 300 Hz is recommended The OUT 3 output is used as a monitoring output and s controlled by the Minrate parameter All other outputs are switched off ASTECH 2006 Page 50 VLM 200 User manual Programming 9 11 3 Commands of the F and S series with significant differences Default value processor 0 for S series 0 with S series Number of windows of the averaging processor Calibrate Calibration nl n2 nl Measuring time in s 1 65535 n2 Calibration value m s 0 0001 10000 2 Table 14 Commands of the F series and S series with different meanings The Calibrate command does not allow calibration via the length only two numerical parameters The ALValue command is not required the velocity is always monitored No length indication is carried out by the Test command Output of length to th
28. 19 35 43 50 54 57 SITime 42 43 44 54 S2Format 51 55 S2Interface 44 55 S2On 55 S2Output 55 S2Time 55 Sensor 6 serial interface 8 Serial number 32 52 Serialnumber 33 52 Signal LED 25 32 Signalerror 30 32 33 34 52 58 Signal LED 25 32 59 Signalling lines 16 17 Simulation 25 47 56 Spatial filter 7 13 S series 10 13 50 51 S Series 9 Standard design 13 Start 34 46 53 Status output 22 72 Status output OUT3 18 19 24 25 32 34 77 Stop 34 35 53 Store 8 29 30 33 47 48 56 57 Synchronous 10 19 49 50 T Technical data 13 Temperature range 13 Terminal board 17 18 19 75 Terminal program 8 29 33 Test 15 25 34 37 51 53 Trigger 6 8 18 19 30 33 34 35 36 37 41 43 45 50 53 54 55 57 72 U update time 9 Upgrading rate 49 V Velocity 6 7 8 24 25 30 31 33 34 35 36 37 38 39 40 41 42 46 47 51 52 53 54 55 56 57 59 73 78 VLM 200 D 9 10 73 VLM 200 F 9 10 49 73 VLM 200 FD 9 49 73 VLM 200 FL 10 73 VLM 200 H 10 26 VLM 200 L 10 73 VLM 200 S 10 50 VLM 200 SD 10 50 W Window 25 26 50 51 53 Working distance 9 10 14 X XON XOFF protocol 18 29 43 74 75 Page 84 VLM 200 User manual Declaration 12 Conformity declaration Manufacturer ASTECH Angewandte Sensortechnik GmbH Address D 18057 Rostock Schonenfahrerstr 5 Germany Product name VLM 200 Description optical measuring system for veloci
29. 3 direction 31 Direction 6 14 19 24 31 37 50 52 direction detection 40 Direction detection 6 9 13 18 31 direction input 40 Direction input 18 60 72 73 81 D series 9 E ECC 23 24 25 32393319 ECCOn 25 32 39 53 59 ASTECH 2006 Index ECCRI 39 53 ECCR2 39 53 ECCVI 39 54 ECCV2 39 54 Echo 32 52 Error 2 13 21 22 25 31 32 33 36 40 52 58 59 Error messages 43 45 58 Error LED 25 59 F Filter board 73 F series 9 10 13 18 49 51 53 F Series 9 G General commands 29 51 52 H Help 32 52 Holdtime 32 33 39 52 I IF1 8 13 17 20 24 37 44 72 74 75 78 IF2 8 13 17 21 24 37 40 41 50 54 72 74 76 79 IF2 PP 13 21 76 80 IF2F 422 13 22 81 IF2F 5V 13 22 23 INCFactor 40 50 54 57 INCOn 40 50 54 57 INCOutput 35 40 41 50 54 57 INCValue 40 41 54 57 Info 32 52 Installation 14 15 27 Installation drawing 82 Integration 6 8 33 34 Interface 6 8 18 20 24 29 42 43 44 45 46 47 51 54 55 57 60 74 75 Interface card 6 8 17 20 21 22 23 24 37 39 40 44 50 77 78 79 80 81 Interface S1 8 29 42 44 54 60 Interface S2 8 44 47 L Lamp 27 28 LED 25 32 59 Length 6 7 9 19 29 30 33 34 35 36 37 42 46 49 51 52 53 55 57 59 78 Lighting 7 13 26 27 64 M Maintenance 25 26 Measuring distance 9 10 13 14 82 Measuring object 7 25 26 Measuring principle 7 13
30. 485 422 4 20 mA Wi Pulse Power Supply C O N T R O L L E R N v f k v velocity f signal frequency k device constant Figure 1 Structure of the VLM 200 ASTECH 2006 Page 7 VLM 200 User manual Principle of operation 2 2 Evaluation The signal frequency bursts is determined by the VLM 200 electronic evaluation system It implements a short time frequency measurement via the evaluation of individual periods The velocity is calculated by multiplying the frequency with the device constant and the calibration factor By transitorily integrating the velocity the length of the object can be determined The integration can be controlled by an external signal trigger Furthermore the measuring rate is calculated It can be used to optimise the device assembly 2 3 Interfaces The VLM 200 is equipped with various optically isolated interfaces some are optionally The measuring values can be output via serial interfaces to the PC to a control unit PLC or to a printer Different pulse outputs are available for the connection of the counters An optional analog output is also possible The standard version with comprises the following interfaces connection board AB1 e RS 232 serial interface S 1 programming interface e Two alarm or pulse outputs e Status signal output e Directional signal and trigger signal inputs Optionally the system can be equipped with the following interfaces
31. 5 The ALON DU CONI N ee ses 36 9 2 6 Ihe AL Value command nennen T 36 9 2 7 Ihe PAT COMMA ee ee re ee ee 36 93 AMOT OUMU een nennen ee 37 9 3 1 Ihe AN On command oa en nee ia tah OP aretays 37 9 3 2 The ATVI FITC OLN ae een een ee een 37 9 3 3 Ihe AN Mar command east nern rennen 37 9 3 4 TRAN O11 pur COMMANA en E 37 9 3 5 Ihe AN Value command are 37 9 3 6 Ihe PAN Command erstens nr en Bein ns 38 9 3 7 Example Of analoe oupul seele 38 IE OO COMtre le aeaa A E eubestsdaada wh tncubann le a a a a A 39 9 4 1 The EC Off COMMA ea ri nei 39 9 4 2 THEE C CRI command re ee an essen 39 9 4 3 The ECCR Command ner nee ee seinen 39 9 4 4 Ihe LCE Vi Command u needs A 39 9 4 5 The ECCV2 Command 2 2 ee nes 39 9 4 6 The PE CE Command ale seen 39 95 PIBE ee 40 9 5 1 THSINCORSCOTmandetee are ee E T E 40 9 5 2 THENCE COE COMMA ee een 40 9 5 3 TENG TN COMP HEC ONMIN ern A AE EIN EO iow 41 9 5 4 HEIN GC Varne COMMA een aan el 41 9 5 5 THSPINE COMIN dr ee ae a er ansehe 41 9 6 lt QOutputsia serial interac Tessiner ea 42 9 6 1 The STOR command een 42 9 6 2 TeS L ornar command seele een T 42 9 6 3 Thes interface command Ara ie en E OEN 43 9 6 4 Thes L OU 10 command eu ae le EA 43 9 6 5 PG Sa Te Command nee ee 44 9 6 6 PAC PSL Command ua es ea A A 44 Dae Oulputviasenal MSM ACS Zso a halle 44 OS Offline measurement esniiiseheisg 45 9 8 1 The OFF Emnecommand ee een a i 45 9 8 2 The OFF cior Command wre see AE
32. 55 10 1 5 Offline measurement commands sii hi ccavelacentndilastatesdiavedssduavilis a a E a A a 55 ASTECH 2006 VLM 200 User manual Contents TOO Rest COMIN ANGS cit detent cee cst re Eee Eee 55 IO Sy teneo E A E E 56 1O Prost mmunz example Sn a A E 57 Paint Protocol aana a edna a a A O 57 1O ETOrMOSSA ES ae Rei 58 104 Sionc ince ol EED Sosas A S 59 19 5 AOUGDUE VANES Unii Ses E TEA 59 10 6 Bin assionmens aussen sanken 60 10 6 1 Device CONNECTION ERS 232 ee dulstepevel e a a i eia 60 10 6 2 Device connection 2 sional 2 examples Only Yin a 60 10 6 3 Device connection 3 power supply 230V AC LIS V AC uusssssssssssssseeennnnnnnnnnnnnneneeeee nennen 60 10 6 4 Device connection 3 power Supply 24 DC ae ae ken ee 60 0 7 Ordenns deni Call OM asian ea I IR died Ghd ondvauuenades 61 10 7 1 VEM 200 measure devit eu aaa a 61 10 7 2 Interface Cardsand options Tor VLM 20 ea aa 63 10 7 3 Spare parts for VLM 200 and external LI35 lighting 220220000eeeeeennnnnnnnnnnneeeeeeennn 64 10 7 4 Options for measurement of individual parts usssnnnnnnnssssseeeeeenenennnnnnnnnnennnnennnennn 65 10 7 5 Cobnters And displays arnaderne u a a ee 65 10 7 6 Mounting accessories and protective equipment uueeeeeeeeseeesnnnnnnnnnnnnnnnnnnnnnnnnnnnnennennennne nennen 66 10 7 7 Start up support and calibration Of VLM 200 essees ieies nenn 67 10 7 8 Cables and cable connectors
33. A 45 9 8 3 The OFFMeasure command nennen 45 9 8 4 The OFF Output command ee enter 45 9 8 5 The OFF Reda command un en sah ns ren 45 9 8 6 The OFF lime commanderie ni E EEEE RT een 45 9 8 7 The OFF Vane COMM ANG ee ene a EEE nel EEEE 46 9 8 8 The POPE COMMING arerin sE E AT 46 9 RCAC OMANI eea Aa AEEA E O E O T 46 9 10 SY Stemi command ee ee ET EEE 47 9 101 he A Password comme einen 47 9102 The PROSITE COMI AIC si a E E ern ads E 47 9 103 Me RESTOTE command u ned a une reine 47 9 104 The gt S mnlanon command sense 47 9 05 he SPORE command seriellen 48 FTE TDEVEM2OOEFSTI SICHER TIER 2 ee na ae es 49 9 11 1 On the operating principle of the F Series 22222222sseesnnnnnnnnnnnsssenneennnennnnnnnnnnnnnnnennnnnnnennen 49 9 11 2 On the operating principle of the S Series eeeeeenenesseseseeeeenssnnnnnnnnnnnnsennnennnnnnnnnnnnnnnnnnnennnenennnnnn 50 9 11 3 Commands of the F and S series with significant differences uusssssnessnnnnnnnnnnseeeneenenn 51 I PS STI E ina inet renee 52 E COMMA Over vic W chcatscitensacessecntn ee costa aeeben aso iniatnoleandece 52 POAT Generalcommands sense asien 52 10 1 2 Alam S0tpue Command nun a aan 53 10 1 3 Analoo OUtputc Oman Sa a un 53 IOLA ECC contro COmmanG Sear era 53 TOLLS Pulse Oulputconmands an ne re 54 10 1 6 Output via serial interface eommands 2 era a 54 10 1 7 Outp t via serialinterf ce 2 commandSs u nenne aa
34. Abort by ESC Offline measurement and calibration E08 Signalerror Signal failure Signal failure during calibration E09 Illegal Use 3x wrong password 3inputs of an incorrect password V6 5 Error during command input and processing E17 Analog output Error at analog output Output too fast error E18 Incremental output Error at pulse output error error measurement range processing overflow E32 Division by zero Division by 0 Parameters set incorrectly E33 Watchdog timer Reset by watchdog Processor crashed also in the case of reset overload E34 Oscillator Reset by watchdog Processor crashed Watchdog timer reset Critical errors ASTECH 2006 Page 58 VLM 200 User manual Appendix E40 Parameter lost Data in EEPROM Fatal error check all parameters service necessary corrupt E41 Loading ASIC 1 ASIC 1 failed Fatal error device must be repaired failed service necessary E42 Loading ASIC 2 ASIC 2 failed Fatal error device must be repaired failed service necessary E99 Unknown error Fatal error in which case the device must be checked 10 4 Significance of LED s measurement Flashes in case of E40 to E42 fatal errors Flashes briefly in case of E10 to E32 critical errors Meaning of the LED s 10 5 Output values units Value range for output 21474 0 0001 Tone im 214748 internal 360288 2 0001 0 65535 Measuring ste non 0 100 Values
35. B 1 only 250 00 Euro extra charge Connection board ABETHER ABETHER VLM 2 built in to VLM 200 instead of AB 1 incl connection socket and 5 m patch cable RJ45 VLM 200 programming over Telnet and output of measuring rates over TCP IP UDP IP and Telnet for new device without AB 1 only 350 00 Euro extra charge ECC 2 shaft encoder controller slot card ECC2 VLM 2 controller for connection of a encoder measurement as of 0 m s directional identification from the shaft encoder signal built in to VLM 200 incl additional connection socket with plug n OO NO XN O1 N NO 00 NO co N D gt oO D ASTECH 2006 Page 63 VLM 200 User manual Appendix 2 14 Option for ECC 2 shaft encoder controller slot card ECC2 RS 422 VLM 2 ECC 2 with RS 422 RS 485 optically isolated 2 15 Option for ECC 2 shaft encoder controller slot card ECC2 RS 232 VLM 2 ECC 2 with RS 232 optically isolated 2 16 Interface board IF PROFI for Profibus DP IFPROFI VLM 2 for VLM 200 firmware version 6 7 binary data at the Profibus different modes min update time 10 ms delivery incl special connection sockets and two standardised circular connectors 2 1 Automatic directional detector DIR VLM 2 built in to VLM 200 retrofit possible cannot be combined with F and S series date and time built in to VLM 200 retrofit not possible built in to VLM 200 retrofit not possible 2 20 Additional connection socket wi
36. Hz pulse ECC2 shaft 0 20 mA 2 x 2 phases 2 x 2 phases 2 x 2 phases 2 x 2 phases encoder open collector status output balancing RS422 driver controller 24 Volt balancing 5 Volt 15 30 Volt IF1 RS232 IF1 RS422 IF1 AI 4 20 mA IF1 AI 0 20 mA IF2 PP IF2F 5V IF2F 422 ECC2 RS232 IF1 RS232 IF1 RS232 only output IF1 AI 4 20 mA IF1 AI 0 20 mA RS485 RS422 IF1 RS422 IF1 RS422 only output IF1 AI 4 20 mA IF1 AI 0 20 mA Analog output IF1 RS232 IF1 RS422 IF2 IF2F 5V IF2F 422 4 20mA IF1 AI 4 20 mA IFI AI 4 20 mA IF2 AI 4 20 mA IF2 AI 4 20 mA IF2 Al 4 20 mA IF2F 5V IF2F 422 IF2 AI 0 20 mA IF2 AI 0 20 mA Analog output IF1 RS232 IF1 RS422 IF2 0 20mA IF1 AI 0 20 mA IF1 AI 0 20 mA IF2 AI 0 20 mA IF2 25 KHz pulse IF 2 x 2 phases IF2 AI 4 20 mA IF2 AI 0 20 mA open collector 500 kHz pulse IF2F 5V IF2F 5V 2 x 2 phases IF2 AI 4 20 mA IF2 AI 0 20 mA 5 volt 500 kHz pulse IF2F 422 IF2F 422 2 x 2 phases IF2 AI 4 20 mA IF2 AI 0 20 mA RS422 ECC2 shaft ECC2 RS232 ECC2 RS422 encoder controller AB1 Function of the standard connection board AB1 RS232 interface 2 phase pulse output 12 24 Volt 7 KHz open collector status output trigger and directional input Additional interface boards IF PROFI for Profibus DP and IF ETHER for 10 MBit Ethernet ASTECH 2006 Page 72 VLM 200 User manual Appendix 10 10 Maximum velocity depending on the limit fre
37. R je e gre N rigger process control connection 4 earth brown 3 2 L1 fuses i blue 3 3 N mains eral 230V 50Hz mo i y green yellows PE PE connection 3 power filter power supply 230V AC a Figure A5 Connection example VLM 200 with IF1 RS422 interface card for the connection of the PAXICA counter display of length velocity and measuring rate ASTECH 2006 Page 78 VLM 200 User manual Appendix 10 12 3 Connection example 3 VLM 200 with IF2 Wiring VLM 200 Socket 2 1s occupied by pulse output 1 status signal and directional input Socket 4 1s occupied by high resolution pulse outputs 2 and 3 brown 1 1 toisol RxD i ae a Se BEE En RS232 Interface PC COM shield connection 1 OUT1 brown 2 1 24 V Te I N en i m pulses 1 IE status signal NOC 3x1 2k GND optoisol gt C outputs CET e 230V 50Hz PE brown int II power filter connection 3 power supply 230V AC gah O optoisol inputs IN2 o direction eY A IN connection 2 O 1 i earth digital IN OUT protection circuit connection board AB1 OUT4 T brown 41 N 24 V i ternally gt K ie al 5 en white 44 2 pulses 2 phase A optoisol oi high pulses 2 resolution phase B pulse outputs gt N pulses 3 phase A gt K O gt pulses 3 V phase B protection circuit a il a i 4x1 2k interface board IF2 connection 4 GND earth fuses 1 89 N mains Figure A6 Connection example
38. User Manual Anwenderhandbuch engl VLM 200 Angewandte Sensortechnik VLM 200 User manual Notes Notes The information contained in this manual has been thoroughly researched and prepared Nevertheless we cannot assume liability for omissions or errors of any nature whatsoever We would however be grateful for your comments or suggestions No damage claims can be made except those resulting from intentional harm or negligence As this product is available in several designs the manual in hand may possibly deviate from the product supplied We reserve the right to make technical changes which serve to improve the product without prior notification Thus it cannot be assumed that subsequent versions of a product will have the same features as those described here Registered trade marks are the property of their manufacturers VLM 200 User manual V8 6e Copyright by ASTECH Angewandte Sensortechnik GmbH Rostock 1994 2006 VLM 200 Series Hardware Version 2000 Firmware Version V6 5 up to V6 7 Printed 09 01 2006 17 18 00 600 dpi ASTECH GmbH Schonenfahrerstr 5 D 18057 Rostock Internet www astech de e mail info astech de Phone 49 381 44073 0 Fax 49 381 44073 20 ASTECH 2006 Page 2 VLM 200 User manual Contents Contents I INHoQuc loan ee 6 EITM ION Seelen een iiie 7 2 Physicalpineplesenisseis ara ee 7 22 NEN MMAR ON ee ee en Se cog atte aso en wee ce nae 8 23 WNT ACCS een er binaua tettnenmeat
39. VLM 2 inspection electrical inspection calibration and measuring of velocity and distance linearity Inspection and calibration with certification CZERT VLM 2 inspection electrical output inspection calibration and measuring of velocity and distance linearity delivery incl certification paper Dismantling and cleaning DEMCL VLM 2 clean from outside dismantle the lower casing clean from inside and then reassemble ASTECH 2006 Page 67 VLM 200 User manual Appendix 10 7 8 Cables and cable connectors for VLM 200 Item No Description Order code 5 m 3 wires with protection contact 5 m 3 wires one side with open ends 8 3 RS 232 cable programming cable RSCs VLM2 screened 5 m 3 wires with PC connector for serial interface D SUB 9 CAT 5 with RJ45 connection plug 5 m 8 5 Connection cable for AB ETHER and IF ETHER CABLE 4Ms RJ45 10m screened 5 m with 2x CON5Fs one side with open ends screened 5 m with 1x CON5Fs screened standard version RS232 Male angled connector for gauge connection 1 CON 5MsA screened angled special version RS232 8 10 Female cable connector 5 contacts CON 5Fs 8 11 Female angled connector 5 contacts angled CON 5FsA 8 12 Male angled connector 8 contacts CON 8Ms 8 13 Female cable connector for power supply POCO AC 8 14 Female angled connector for power supply POCOA AC 8 15 Female cable connector for 24 V power supply POCO DC 8 16 Female angled connector for 24 V power
40. Volt 24 Volt QO protection circuit control O O Volt Figure A2 Wiring variants for optical coupling input ASTECH 2006 Page 75 VLM 200 User manual Appendix 10 11 5 Passive transistor output AB1 IF2 The optically coupled transistor outputs can drive various inputs It should be observed that a load resistance approx 1 2 kOhm at 24 V exists so that in switched through status approx 20 mA load current results VLM 200 24 Volt control E 0 Volt VLM 200 24 Volt protection circuit O 0 Volt 24 Volt Q VLM 200 output gt control protection circuit 0 Volt Figure A3 Wiring variants for passive transistor output 10 11 6 Active output driver IF 2 PP and AB 2 PP The optically coupled balanced driver stages can drive load currents up to 100 mA IF 2 PP or up to 20 mA AB 2 PP In the case of long cables an additional load resistance of approx 1 2 kOhm at the receiver side is to be recommended ASTECH 2006 Page 76 VLM 200 User manual Appendix 10 12 Wiring examples 10 12 1 Connection example 1 VLM 200 without options Wiring example for VLM 200 Socket 2 is occupied by a two phase pulse output OUTI and OUT2 OUT3output status and directional input IN1 brown 1 1 RxD RS232 white TxD sof i blue 1 3 GND RS232 Interface hield Pan Shield i connection 1 OUTI a brown j 21 N 24 V ternally gt K foun o une gez A OUT1 0 white 42 2 pul
41. according to individual device type 170 185 or 240 mm according to individual device type lt 1m 200 km except F and S series CCD sensor spatial filter White light halogen lamp 10 W RS 232 optically isolated OUT1 OUT2 OUT3 OUT1 OUT2 Pulse output with 2 phases shaft encoder emulation OUT3 Signal Status 1 Hz 7 kHz with max 0 2 error at 7 kHz optional high resolution pulse output available NPN open collector 40 mA IN1 IN2 external directional signal and trigger signal for signals 20 mA 0 20 mA or 0 24 V Ri approx 1 kOhm 40 to 0 3 mA 2 to 40 mA 230 V 50 Hz optional 115 V 60 Hz optional 24 V DC 20 to 30 V lt 50 W 0 to 50 C IP 65 Approx 5 8 kg Industrial standard in compliance with CE 360 mm x 160 mm x 90 mm e Analog output IF1 4 to 20 mA or 0 to 20 mA 16 bit optically isolated e Different digital interfaces IFI RS 484 RS 422 RS 232 optically isolated e Network connection IF PROFI Profibus DP IF ETHER UDP IP and TCP IP e High resolution pulse output IF2 0 4 Hz to 25 kHz IF2 PP 0 4 Hz to 50 kHz and IF2F 5V or IF2F 422 0 4 to 500 kHz 2 x 2 phases resolution 20 ns e Light cabinets directional identification not for F S series real time clock different counters and displays e Mounting accessories linear units protection casing free blowing device D Configured according to customer demand dependent on the FB1 filter board refer to app
42. according to the RS 422 standard ASTECH 2006 Page 74 VLM 200 User manual Appendix 10 11 3 RS 485 interface IF1 ECC2 The RS 485 interface serves to transmit data over great distances The interface allows only semi duplex operation i e only one party can send at a time A maximum of 32 parties can be connected The serial data are transmitted as voltage difference between the 2 wires of a cable RS 485 physical transmission parameters Maximum cable length 1200 m according to individual cable and transmission rate Maximum send level EM Minimum send level 1 5V Minimum receive level 200 mV RS 485 load resistance 120 Ohm each on both cable ends termination and a receiver open circuit fa l save switch In the case of the VLM 200 the S2 interface can be operated as an RS 485 It is used for the transmission of measuring values If other parties are sending the VLM 200 must be controlled by the XON XOFF protocol or via the trigger input trigger synchronous output 10 11 4 Optical coupler input ABl ECC The IN1 and IN2 inputs of the VLM 200 are designed as optical couplers Due to the integrated dropping resistance of kOhm these can be directly operated with 24 V 0 20 mA or 20 mA signals As the positive and negative connection is optically coupled at the terminals of the ABI connection card the inputs can also be connected with PNP and NPN transistor outputs 24 Volt QO VLM 200 BE control O O
43. amming The different modes of operation are indicated by LED s with the following meaning Signal LED Signal exists or is good see also Minrate and ECCOn Signal does not exist or is not over the established threshold see also Minrate and ECCOn Busy LED yellow Command processing also in the case of calibration simulation and offline measuring Flashes briefly in the case of a critical error refer to appendix Table 4 Meaning of the LED s Signal LED In the case of a moving measuring object and adequate signal quality the LED is green A red LED indicates a poor signal quality A red signal LED can be caused by various things No measuring object exists measuring object outside the VLM 200 operating range Measuring object is standstill or is out of velocity range Measuring object has insufficient structure Measuring object too bright or too dark Dirty windows refer to chapter on Maintenance Measuring rate is too low only if measuring rate monitoring is switched on see Minrate command 7 Velocity or measuring rate outside the permissible range only if ECC function is switched on see ECCOn command Oe a i The OUT3 status output is switched just as is the signal LED If this indicates green OUT3 is switched through During initialisation after switching on the device or after the Restart command the signal LED is yellow Busy LED This LED is yellow while processing commands refer to chapter
44. and IFETHER rate monitoring with Minrate and ECC control Trigger synchronously output is supported from firmware version V6 7 The simulation is terminated by ESC ASTECH 2006 Page 47 VLM 200 User manual Programming 9 10 5 The Store command The command saves the current setting which is maintained even after switching off the device After switching on the device or executing the Restore command the last settings saved by Store are loaded The command 1s protected by a password When entering the password no distinction is made between large and small case letters The password WEGA is pre set Syntax Store During the execution of the system commands the actual measurement is interrupted ASTECH 2006 Page 48 VLM 200 User manual Programming 9 11 The VLM 200 F and S device series Compared with the description of the previous chapter the meaning of some commands in the F or S device series are different Important modifications are marked with in the following 9 11 1 On the operating principle of the F series The F series was developed for highly dynamic velocity measurements in the production process and is especially suitable for use in closed control loops The F series has been extended to include an averaging processor ASIC This calculates the weighted gliding average value according to the signal quality via the frequency of the single bursts A ring memory with 4 or 8 averaging cycles is
45. and their units which are output to the corresponding channels Without format specification the value is output to the S1 and S2 output with three digits after the decimal point ASTECH 2006 Page 59 VLM 200 User manual Appendix 10 6 Pin assignments 10 6 1 Device connection 1 RS 232 Pin number Colour Assignment internal 1 Brown RxD RS 232 interface 1 2 White TxD RS 232 interface 1 3 Blue GND RS 232 interface S1 4 Black GND test signal do not use 05 Grey Test signal analog signal 50 Ohm do not use 10 6 2 Device connection 2 signal 2 examples only Pin number Colour Digital OUT digital IN 1 Brown OUTI tOUT3 INI OUTI OUT2 2 White JOUTI phaseA OUTI phase A 3 Blue OUT phaseB _ OUT2 phaseB 4 Black OUT3 status A RS485 _ _ 5 Grey INI _ directional input 10 6 3 Device connection 3 power supply 230V AC 115V AC Pin number Colour cable 230V AC Hirschmann connector no CA3LDO9ZS assignment Null Green yellow Phase and null may be interchanged both conductors are protected 10 6 4 Device connection 3 power supply 24 DC Phase and null may be interchanged both conductors are protected AN Attention Before connecting power ground the device with the earthing screw via the grounding cable ASTECH 2006 Page 60 VLM 200 User manual Appendix 10 7 Ordering identification 10 7 1 VLM 200 measu
46. ary external voltage equals 24 Volt A clock out of phase by 90 is provided refer also to programming of the pulse output 6 6 IF2 PP interface card The optional IF2 PP interface card provides two high resolution pulse outputs each with 2 phases and a frequency range of 0 4 Hz to 50 kHz Resolution and error each equal 20 ns O CW IN dd Z41 NBE ST AJNI V1Nd HSNd D WwW Ho m 0 L N Figure 9 IF2 PP interface card The seven OUT3 to OUT7 outputs are electrically isolated by optical couplers The outputs are designed as balanced driver stages HP3120A driver The maximum output current 1s 100 mA per channel The maximum cable length is 200 m The necessary external voltage equals 15 to 30 Volt OUT4 is the pulse output A2 OUT4 is A2 OUTS is B2 OUTS ASTECH 2006 Page 21 VLM 200 User manual Connection is B2 OUT6 is A3 and OUT7 is B3 The OUT3 status output is available too see chapter on Outputs and also on Programming of the Pulse Output The card needs an external supply voltage of 15 to 30 V max The outputs of the IF2F PP interface card are only short circuit proof against GND Connection to the operating voltage can lead to destruction of the relevant channel 6 7 IF2F 422 and IF2F 5V interface cards The IF2F 422 and IF2F S5V interface cards provide two high resolution pulse outputs each with 2 phases and a frequency range of 0 4 Hz to 500 kHz Resolution and err
47. c If the value to be output is less than 0 5 Hz no pulses are output In the case of devices with the optional IF2 series interface cards 3 parameters are possible Syntax IF2 INCFactor nl n2 n3 na 0 000001 231 10 6 The n1 up to n3 parameters set the scaling factors for the three pulse outputs n2 and n3 are the factors for the two additional pulse outputs IF2 interface card series The possible pulse frequency range of the interface card should be observed The additional pulse outputs always output velocity values even if NCValue R is set for example refer to NCValue In this case the measuring rate is output to the standard pulse output OUTI OUT 2 and the velocity to the high resolution pulse outputs OUT4 to OUT7 ASTECH 2006 Page 40 VLM 200 User manual Programming 9 5 3 The NCOutput command This command determines whether the output value should be updated after the time interval specified by Average INCOutput 0 refer to Average command or by a trigger event INCOutput 1 refer to Trigger command Syntax INCOutput n n 0 1 9 5 4 The INCValue command This command determines whether the velocity or the measuring rate should be output to OUT1 2 Syntax INCValue c c V R When using the IF2 series interface cards the velocity is output to the additional pulse outputs independently of the set value for NCValue 9 5 5 The PINC command Indicates all parameters of the pulse ou
48. ce PC COM SNIE connection 1 OUTI O brown Q N 24 V externally Q OUTI gt white 42 2 l H pulses 1 phase A optoisol 2 GJ pore pulses 1 phase B KR im gt status signal NOL 3x1 2k GND Lae optoisol inputs IN2 a direction STAR IN k connection 2 L earth digital IN OUT protection circuit connection board AB1 120 optoisol a OUTS O blug one 8 i pulses 2 phase B high driver Ee black 44 pulses 2 phase B resolution BE pulse O GND _o gre 4 5 Wu connection 4 Blown Q N pulses 3 phase A GND i 2 Q m pulses 3 phase A i 0 4 20mMA IOUT _ o black 0 4 IOUT none __ fo wey ss A converter IGND o 5 IGND protection circuit interface board IF2F connection 5 earth brown 3 2 L1 fuses CO blue 3 3 N _ mains Be l y green ellow PE PE connection 3 power filter power supply 230V AC en Figure A8 Connection example VLM 200 with IF2F 422 interface card with analog output 4 20 mA option ASTECH 2006 Page 81 VLM 200 User manual Appendix 10 13 Installation drawing Le 360 0 90 0 o 36 0 Y 2 92 5 lt 152 5 gt lt 202 5 gt Z N N S holes for M6 screws Oh 160 0 340 0 110 0 192 9 142 5 receiver Y laser light N l
49. ce of 1 ASTECH 2006 Page 14 VLM 200 User manual Installation The installation is carried out at right angles to the direction of movement of the material with a maximum tolerance of 1 If the alignment is not made with the specified tolerance a measuring error can occur gage movement Optional linear units continue to allow in z direction i Be an adjustment in the case of changing material distance LJ1 for an axis or an for round surfaces such as e g pipes wires and profiles LJ2 for two axes Sa Po moving material Figure 4a VLM 200 with LJ2 linear unit MP2 mounting plate a A tilting by the velocity vector is possible when using the MP3R mounting plate This does not result in a vectorial measuring error The tilting is necessary in the case of measurements on highly reflective materials and some plastic surfaces working distance P 4 moving material Figure 4b VLM 200 with MP2 or MP3R mounting plate An optimisation of the alignment via the Test command in the case of reflective and domed surfaces 1s useful following connection of the power supply the programming cable and a PC Here the measuring rate output value should becomes the greatest value ASTECH 2006 Page 15 VLM 200 User manual Connection 6 Connection The VLM 200 has screwable device connections There is an earth screw a connection for the programming interface a connection for the signalling lin
50. controlled by an external signal An automatic directional identification is optionally available The output signals are generated by a processor The VLM 200 can be connected to an existing control and process data capturing system All inputs and outputs are optically isolated For programming a serial interface RS 232 exists serial interface 1 The standard delivery of the VLM 200 with connection board ABI is equipped with two outputs which can be used either as pulse or alarm outputs A third output serves as status signal and is programmable Further serial interfaces an analog output different high resolution pulse outputs and bus interlaces are optionally available interface cards The system is accommodated in an IP 65 casing It is powered by 230 Volt AC or optionally by 24 Volt DC and 115 Volt AC Notes on this manual Commands and functions are in italics Large and small case writing serves to improve legibility e g ALOn command for switching on the alarm function The brief writing style recommended for command inputs is additionally printed in bold in the syntax e g SIFormat command for programming the serial interface 1 Designations are enclosed in apostrophes e g SW500 switch SW500 The following symbols are used n number S character string c character optional The following abbreviations are used for measuring data V velocity N object counter L length R measuring rate The following
51. e accessible after removal of the casing cover Prior to opening the casing always disconnect the device from the power supply There are different possibility s for the connection assignment refer to appendix As these assignments can be modified by either the manufacturer or the user they should be inspected prior to connection Only screened connectors and cables should be used for signal transmission device connections 1 2 4 and 5 The programming cable device connection 1 should be removed once programming has been completed The shielding should be earthed always Connectors and cables can be purchased from the manufacturer The device connections 4 and 5 are optional Unoccupied device connections should be protected against the penetration of dirt by dummy plugs The device connections 2 4 and 5 are wired according to customer specifications They are not protected against exchange A wiring scheme is enclosed with every device Some wiring examples can be found in the appendix You will also find more detailed explanations of the individual interfaces there It should be ensured that the potential differences between the output and input signals to the ground conductor PE are less than 42 volts It is recommended that the GND cable of the system voltage be connected with the earth or the PE conductor via a potential compensation AN The protective switches integrated on the connection and interface cards transmit in
52. e for VLM 200 H series WD330 VLM2 330 mm aluminum tube Converter RS 422 to two phases to TTL 9 13 WAN422 VLM2 for IF2F 422 rail mounting output signal A A B B 24 Volt power supply up to 500 kHz output TTL 5V 24 mA Profibus Gateway Unigate VLM2 UNIGATE VLM2 for VLM 200 series rail mounting power supply 24 V RS232 RS485 to Profibus DP different output modes Impulse transformer TR1702 TR1702 for A B signals up to 200 kHz 5 or 24 V level input and output opto isolated rail mounting power supply 24 V 9 16 Pulse divider TR1702 P1 dividing relation 1 up to 64 TR1702 P1 for A B signals up to 200 kHz 5 or 24 V level opto isolated dividing relation can set 9 14 9 15 to 1 up to 64 9 17 Gateway RS232 RS422 CON232 422 opto isolated rail mounting power supply 24 V S Interface for VLM 200 S Series S Interface generation of the synchronization trigger signal for S Series for difference measurement applications allows easy connection of 2 up to 3 gauges of the VLM 200 S Series to a PLC rail mounting power supply 24 V co f 00 gt oO ge gt en ji 0 gt ASTECH 2006 Page 69 VLM 200 User manual Appendix 10 8 Additional distributors and assembly instruction for connectors 10 8 1 Cable connector for connection 1 RS232 Type Series Male cable connector screened Series 713 99 1437 814 05 Male angeld connector screened Series 713 99 1437 824 05 Male cable connec
53. e interfaces is not possible S17 Format and S2Format ASTECH 2006 Page 51 VLM 200 User manual Appendix 10 Appendix 10 1 Command overview pd hh hh ep A pels oF N nit _ Possible values Default value 5 65535 50 ms 0 950000 1 050000 1 000000 V Velocity L Length NM Calfactor Set calibration factor Calibrate Calibration c nl n2 c velocity or length nl meas time in s or 1 65535 0 0001 10000 numb n2 Cal br value m s or m Indicates and sets clock t me Date Indicates and sets date Maintenance of exposure 0 off 1 on only for individual part measurement hh mm ss dd mm yy 0 Forwards l Backwards 2 Externally forwards low 40 0 3 mA 3 Externally forwards high 5 440 mA 4 Automatic option 5 8 refer to text 0 Off 1 l On 10 65535 250 ms 0 off 1 99 on 0 65535 Direction commands Indicates the software version and the serial number Measuring rate monitoring Echo Q A gt Q S 3 Sjj 3R SI E SEE au a S IS S RJS 5 l x Q x un Info Sets the part counter Indicates all general parameters E Indicates all parameters Serialnumber Indicates the serial number Behaviour in the case of signal failures or standstill 00 No error indicated at failures l Error indicated at failures gt u gt a 2 SS S MRS
54. easurement 1 13 VLM 200 L h Type VLM 200 L h for glowing surfaces see notes above design for low speed up to 0 5 m min working distance 170 mm can be compatibly assembled with VLM 200 standard type 185 mm with internal length measurement 1 14 VLM 200 FL h Type VLM 200 FL h for glowing surfaces see notes above design for regulating tasks with high dynamic due to gliding average minimum update time at output 2 ms pulse and 5 ms analog design for low speed up to 0 5 m min working distance 170 mm can be compatibly mounted with VLM 200 Standard 185 mm without internal length measurement ASTECH 2006 Page 62 VLM 200 User manual Appendix 10 7 2 Interface cards and options for VLM 200 Interface board IF 1 built in to VLM 200 2 1 IF 1 with analog output IF1 Al VLM 2 Optically isolated 4 20 mA other ranges specified 0 20 mA or 0 24 mA gt M IF 1 with RS 232 IF1 RS 232 VLM 2 Optically isolated can be combined with option IF 1 Al option IF 1 with RS 422 RS 485 IF1 RS 422 VLM 2 Optically isolated can be combined with option IF 1 Al option Interface board IF 2 IF2 VLM 2 built in to VLM 200 incl additional connection socket with plug 2 programmable optically isolated pulse outputs each with two phases passive NPN transistor frequency 0 4 Hz 25 kHz resolution 20 ns Interface board IF 2F 422 IF2F422 VLM 2 built in to VLM 200 incl additional connection socket with plug 2 progra
55. ectors This allows fast and simple replacement The lamps must be purchased either from your dealer or directly from the manufacturer The ordering designation can be found in the VLM 2000 casing lid and on the packaging of the reserve lamp It s imperative that you observe the instructions for lamp replacement Non installed lamps are very sensitive Please handle these with extreme care The glass body of the new lamp may not be touched New lamps may only be stored in their original packaging Do not remove the lamp from the packaging until just before you are about to install it If your fingers touch the bodies of the glass this can cause a drastic reduction in the life of the lamp ASTECH 2006 Page 27 VLM 200 User manual Maintenance Instructions for lamp replacement 1 The device must be cleaned from outside before replacing the lamp In case of extremely bad environment conditions the device should be removed from the plant prior to lamp replacement in order to be able to carry out the replacement in a clean place 2 After disconnecting the unit from the power supply release the four hexagon socket screws and remove the cover of the VLM 200 3 The tow blue connectors as well as the hexagon socket screw see arrow Figure 13 Lamp unit must be loosened The old lamp block can then be removed Attention high D temperature Use a cloth 4 The new lamp block should be inserted very carefully Be s
56. ediately switched When using the ECC control Average should be set to 10 ms in order to ensure a fast switch over 9 4 1 The ECCOn command This command switches the ECC control on or off When activating the ECC control the measuring rate monitoring 1s automatically deactivated refer to Minrate command Syntax ECCOn n n 0 off 1 on 9 4 2 TheECCRI command This command determines the minimum measuring rate at which switch over to the external device occurs Usual values are 3 to 10 Syntax ECCRI n n 0 99 9 4 3 The ECCR2 command This command determines the measuring rate at which switch back reoccurs Usual values are 8 to 20 The value must be greater than ECCRI Syntax ECCR2 n n 0 99 9 4 4 The ECCVI command This command determines the minimum velocity at which switch over to the external unit occurs Usual values are 0 05 to 0 2 m s Syntax ECCVI n n 0 231 104 unit m s 9 4 5 The ECCV2 command This command determines the velocity amount at which switch back reoccurs Usual values are 0 1 to 0 3 m s The value must be greater than ECCV Syntax ECCV2 n n 0 0001 23 104 unit m s 9 4 6 The PECC command Indicates all parameters of the ECC control Syntax PECC ASTECH 2006 Page 39 VLM 200 User manual Programming 9 5 Pulse output The pulse output provides two clock sequences A and B with a phase by 90 max phase deviation 10 and with a mark space rati
57. endix Standard design other versions are available ASTECH 2006 Max voltage 50 V DC 36V AC Tested by accredited institute Page 13 VLM 200 User manual Installation 5 Installation The installation is carried out transversally to the direction of movement of the measuring object see drawing in the appendix special designs possible The standard direction of movement forwards 1s determined from the bottom of the casing to the casing cover special designs possible The direction of movement plus means forwards is identified by an arrow at the device Installation can take place either in positive or negative direction Only the Direction parameter must be set accordingly refer to chapter on programming The device does not need to be opened for installation It 1s secured with four M6 hexagon socket screws It is necessary to adhere the correct working distance distance between lens window and material surface and the range variation specified by the manufacturer see rating plate O working distance material f movement direction t oo re variation range moving material moving material of working distance Figure 2 Working distance see rating plate and alignment to the material surface with a maximum tolerance of 1 movement axis moving material material movement direction Figure 3 Alignment to the speed vector with a maximum toleran
58. ernally doubled grid constant As 3 externally to IN1 externally negated doubled grid constant Automatically double grid constant device with directional identification Table 7 Directional setting ASTECH 2006 Page 31 VLM 200 User manual Programming 9 1 8 The Error command This command indicates and then deletes the last error code refer to appendix Code E00 No ERROR means no error In the case of fatal errors starting of E40 the device must be repaired Syntax Error 9 1 9 The Echo command The Echo 0 command deactivates the echo function during command input Syntax Echo n n O 1 9 1 10 The Help command This command outputs a help text containing a list of all commands with short explanations The output can be interrupted by Escape ESC and continued by pressing any other key Syntax Help or 9 1 11 The Holdtime command This command sets the hold time which is to be bridged in the case of signal failures 1 e the last velocity value is output at the appropriate interfaces over this time If the signal fails for longer than Holdtime an zero or an error is output refer to Signalerror A signal failure is indicated by a red SIGNAL LED after the hold time has expired Normally Holdtime should be greater or equal to Average Common values for Holdtime are 50 to 1000 ms Syntax Holdtime n n 10 65535 unit ms 9 1 12 The Info command This command displays
59. es inputs and outputs and a connection for the power supply Two additional signalling line connections are optional Connection 4 signals optional Connection 1 programming Connection 2 signals Connection 5 signals optional Connection 3 power supply Earthing screw Figure 5 VLM 200 device connections 6 1 Power supply and earthing The standard VLM 200 design is manufactured with a 230 V 50 Hz AC power supply Optionally a 24 V DC 20 30 V ora 115 V 60 Hz AC power supply can be provided The power is supplied via device connection 3 A mains cable with removable grounding contact connector is included in the delivery in Germany All terminals in the cable connectors can be screwed except DSUB9 at the programming cable The user should perform the cabling according to the appropriate regulations Before connecting the VLM 200 to the power supply a connection has to be made between the earthing screw and the device holder with the aid of the earthing cable included in the delivery The device holder also has to be low resistance earthed Missing or insufficient earthing of the measuring device can cause malfunctions or damage to the electronics in case of surge ASTECH 2006 Page 16 VLM 200 User manual Connection 6 2 Signalling lines The device contains a connection card AB1 with screwed terminal as standard and an optional interface card IF1 IF2 and others with screwed terminal which ar
60. fication SI Format D CN 6 KWI L 8 3 Pulse output A wheel with shaft encoder is to be replaced The shaft encoder produced 2 pulses per millimetres Due to the process dynamics the scan frequency is set to 50 ms The VLM 200 shaft encoder emulation output is connected to the existing process control unit Calculation Output frequency in kHz Factor 1 mm Velocity in m s equivalent to Pulse number 1000 Factor 1 mm Length m Factor Pulse number 1000 Length m 2 1000 0 001 Factor 2 direct input of pulse per mm is possible Programming Average 50 Average time 50 ms INCValue V INCFactor 2 2 pulses per mm INCOn 1 Store Save w th password input INCOutput 0 Update in equivalent time intervals ASTECH 2006 Page 57 VLM 200 User manual Appendix 10 3 Error messages All error messages begin with the letter E and a two digit error number Starting of error code E10 the last error occurring during operation is intermediately saved and can be displayed via the Error command or deleted E00 No ERROR No error occurred fe oS E01 Missing parameter No or insufficient Incorrect command input parameters specified E02 Value out of range Figure too small or too Incorrect command input big E03 Invalid command E04 Invalid parameter Parameter not allowed E05 No data E06 Memory full Memory full Too many measuring values during offline measurement E07 ESC abort
61. g surfaces Difference measurement VLM 200 L h 0 5 up to 50 m min 0 008 up to 0 83 m s 0 1 lt 0 05 170 5 mm 170 7 5 mm 200 km 1 up to 100 m min 0 016 up to 1 7 m s 170 10 mm 0 2 gt 8 ms yes Metallic and glowing surfaces low velocity Equipment design VLM 200 FL h VLM 200 SL h 0 5 up to 50 0 5 up to 50 m min m min 0 008 up to 0 83 m s 0 1 lt 0 05 170 5 mm 170 7 5 mm 1 up to 100 m min 0 016 up to 1 7 m s 170 10 mm 0 2 gt 2 ms moving average Metallic and glowing surfaces low velocity 0 008 up to 0 83 m s 0 05 lt 0 03 170 5 mm 170 7 5 mm 1 up to 100 m min 0 016 up to 1 7 m s 170 10 mm 0 1 gt 2 ms moving average Metallic and glowing surfaces Difference measurement for low velocity Special designs are possible Page 12 VLM 200 User manual 4 Technical data Velocity measuring range Working distance Length measuring range internal Detector Measuring principle Lighting Programming interface Optically isolated outputs gt Function Frequency of pulse output Type max output current Optically isolated inputs gt Function LOW level HIGH level Power supply Power consumption Temperature range Protection type Weight EMV 5 3 5 2 Dimensions without connections Options Technical data 0 008 to 50 m sec corresponds to 0 5 to 3000 m min
62. gt Q rp 3 d D T ial CWIN NSACAI BBRZ HOALSY Ai I GND A 1 OUT O Figure 10b IF2F 5V interface card 6 8 IF PROFI and IF ETHER interface card The optional interface card allows IF PROFI direct connection to Profibus DP The interface card IF ETHER provide 10 MBit Ethernet with UDP IP and TCP IP protocol Please note the additional information comes inside of the delivery with this cards and in internet www astech de ASTECH 2006 Page 23 VLM 200 User manual Connection 6 9 ECC2 interface card The optional ECC2 interface card allows the connection of an external shaft encoder or a second VLM 200 velocity measuring device When the value falls below a selectable velocity or the measuring rate the pulse output is switched over to the shaft encoder or the second measuring device The two COU1 and COU2 outputs are electrically isolated by optical couplers They correspond in function and programming to the OUTI and OUT outputs default setting for DIL switch output The criteria for switching over are programmable refer to ECC control The switch over is implemented by the status signal which can be picked up parallel to OUT3 and then indicates which measuring device is active A direction signal will be generated from the phase direction of the input INC This can connected via the lateral terminal to the direction input on board AB1 The DIL switch is controlling the COU2
63. his command allows a scaling factor to be set However the scaling factor is only taken into consideration in the case of an output with OF FRead Syntax OF Factor n n 0 000001 23 10 9 8 3 The OFFMeasure command This command sets the duration of the offline measurement in seconds Syntax OFF Measure n n 1 65535 unit s 9 8 4 The OF FOutput command This command determines whether the measuring value is to be output to the memory in a selectable time interval refer to OF FTime command when a trigger event occurs refer to Trigger command or at each burst Syntax OF F Output n n 0 1 2 9 8 5 The OF FRead command This command outputs the measured data to serial interface 1 after an offline measurement The reading format is fixed i e the time since the measurement start is output in ms and the value with maximum resolution The two figures are separated by a space character A new line CRLF is added behind the value If no measurement has yet been started a read attempt causes an error message refer to appendix Syntax OF FRead In the case of premature abort by ESC an error message is output refer to appendix 9 8 6 The OF FTime command ASTECH 2006 Page 45 VLM 200 User manual Programming This command determines the time interval in ms in which the data is to be saved refer also to OFFOutput command During the velocity measurement all measuring data bursts captured withi
64. ighting window lens window barrier S k II j j working WD 30 distance WD aw I material surface y y TT S diode laser Gauge WD mm Tolerance mm date 07 25 2000 part name Standard 185 7 5 name Bod VLM 200 L Series 170 7 5 speed and length gauge D Series 240 15 file wd_vim2e dv 240 30 H Series 330 30 weight 6 kg Angewandte Sensortechnik sheet 1 1 scale 1 3 Figure A9 Installation drawing for different designs specifications in mm ASTECH 2006 Page 82 VLM 200 User manual 11 Index A AB1 17 18 19 72 73 74 75 76 Add on board 8 Alarm 8 19 35 40 53 58 ALMax 36 53 ALMin 36 53 ALOn 6 36 53 ALOutput 35 36 53 ALTime 35 36 ALValue 36 51 53 analog output 37 Analog output 8 20 21 22 36 37 38 47 49 53 58 ANMax 37 53 ANMin 37 53 ANOn 37 53 ANOutput 35 37 53 ANTime 36 ANValue 37 38 53 Average 29 36 37 39 40 44 46 49 50 51 52 57 Averaging 50 Averaging processor 50 B Baud rate 18 43 44 57 Bloc diagram 77 78 79 80 81 burst 45 Burst 7 43 85 Busy LED 25 59 C Calfactor 30 52 Calibrate 25 30 51 52 58 59 67 Calibration 25 30 51 52 58 59 67 Calibration factor 8 30 52 Chold 30 52 Cleaning 25 26 clock 31 Clock 30 31 52 Command overview 52 Connection 8 14 15 16 17 18 24 39 60 70 78 ConnectionTerminal board 72 D Date 31 52 DIL switches 20 24 Dimensions 1
65. ion AC 5 to the CB 5 delivery incl customised cables to the VLM 200 extra charge 40 00 Euro per meter until maximum length 15 m Viton air hose length 5 m diameter 70 mm ATV 70 Viton air hose 70 mm for connection AC 5 to the CB 5 delivery incl customised cables to the VLM 200 extra charge 60 00 Euro per meter until maximum length 15 m LJ 2b VLM 2 LJ 4 VLM 2 o gt oO gt a2 oc oO gt en pd 0 gt ATP 70 AIM 70 gt O Li ASTECH 2006 N Q O O VLM 200 User manual Appendix 10 7 7 Start up support and calibration of VLM 200 No Item No Description Order code Start up support in Germany EPP VLM 2 1 engineer incl lodging and travel expenses only in Germany only in connection with purchase of a VLM 200 Start up support in Europe only EU and Switzerland EPPA VLM 2 1 engineer incl expenses and travelling costs only with purchase of VLM 200 minimum two days on the same place Engineer in field per day only Germany 1 engineer plus expenses and travelling costs cost for journey and departure days charge with 600 00 Engineer in field per day only EU and Switzerland INGA 1 engineer plus expenses and travelling costs cost for journey and departure days charge with 600 00 Engineer in field per day non EU 1 engineer plus expenses and travelling costs cost for journey and departure days charge with 600 00 Inspection and calibration INCAL
66. ll other parameter modifications The calibration factor is calculated according to the following formula calibration factor rn actual value Syntax Calibrate c nl n2 e V L nl 1 65535 n2 0 0001 10000 Units nl s seconds for velocity calibration n quantity for length calibration n2 m s for velocity calibration m for length calibration In order to increase the calibration safety signal error can be set to 1 thus prohibiting a velocity of 0 Via Minrate it is possible to determine a minimum measuring rate If the value falls below this an error message occurs refer to appendix 9 1 4 The Chold command This command is only useful for the measuring of individual parts refer to Trigger command With the Chold I command the lighting regulation can be blocked for the period in which no part is located in the measuring window 1 e the values for exposure time and lamp brightness valid at the end of a part are maintained until the beginning of the next part If the individual parts have different colours or surface properties Chold should be deactivated Syntax Chold n n 0 off 1 on ASTECH 2006 Page 30 VLM 200 User manual Programming 9 1 5 The Clock command Clock displays and sets the time for devices with a real time clock RTC Clock without parameter displays the time in the hh mm ss format The real time clock is optionally available Syntax Clock hh mm ss 9 1 6 The Date co
67. luation the resulting differences in programming are explained in a separate chapter The signal processing of the F series 1s combined with the various optic designs in the A L and D series so that the types such as VLM 200 FA or VLM 200 FD emerge For the VLM 200 D Series the option h is available for glowing surfaces 3 1 VLM 200 A series The VLM 200 A realises a working distance of 185 7 5 mm It s designed as a universal device and allows measuring on the most varied of materials The device can be automatically adjusted to the reflection colour and structure of the material surface in an extremely wide range By altering the DIRECTION parameter refer to programming chapter the working distance range can be extended 1 e the range in which the material to be measured must be located The extended working distance range of the A series equals 185 15 mm 3 2 VLM 200 F series The devices in the VLM 200 F series have been developed for highly dynamic velocity measurements in the production process and are especially well suited for closed control loops The F series has been extended to include an averaging processor This calculates the gliding average value weighted according to the signal quality A ring memory with 4 or 8 averaging cycles is used Hereby a significantly higher update rate can be achieved at the outputs compared with that of the VLM 200 A whereby the minimum update time of the outputs equals 2 ms The i
68. measuring rate 29 Measuring rate 6 8 15 24 32 33 34 37 39 40 41 46 47 53 54 55 56 59 78 Measuring value 25 Minrate 19 25 30 32 33 39 47 50 52 59 Page 83 VLM 200 User manual N Number 33 35 52 O OF Factor 45 55 Offline 25 45 55 58 OFFLine 45 55 OF FMeasure 45 55 OF FOutput 45 46 55 OFFRead 45 55 OFFTime 45 46 55 OFF Value 46 55 Operating instructions 25 Optical couplers 18 19 21 22 24 40 75 Options 8 9 13 65 77 P PAL 36 53 PAN 38 53 Parameter 8 11 12 14 25 29 30 31 32 33 34 36 38 39 40 41 42 43 44 45 46 47 50 51 52 53 54 55 56 58 59 73 Parity 18 29 43 Password 8 47 48 56 58 PC 8 25 PECC 33 39 54 PINC 41 54 POFF 46 55 Power consumption 13 Power supply 6 13 15 16 17 24 28 60 81 Printer 8 57 Programming 8 9 14 16 17 18 21 22 24 25 29 33 42 57 Programming examples 57 Protection type 13 PS1 33 44 54 PS2 33 55 pulse output 35 40 Pulse output 13 19 21 22 36 40 41 47 49 54 57 58 Q Quantity 30 37 42 46 50 51 52 R rate 42 Read commands 46 Readpara 33 52 REM 33 52 Restart 25 47 56 Restore 47 48 56 Richtungseingang 72 RS 232 6 8 13 18 20 29 43 44 46 51 60 74 RS 422 8 20 22 74 RS 485 8 20 24 60 75 RS 485 RS 422 20 S SlFormat 6 42 51 54 57 SIInterface 18 43 54 57 58 SlOn 29 42 54 57 ASTECH 2006 Index S1lOutput
69. ments with high reproducibility and high measuring dynamic due to gliding average minimum update time at output 2 ms pulse and 5 ms analog increased distance variance and increased working distance 240 mm low 2 m min velocity possible without internal length measurement VLM 200 L OD VLM 200 L Type See notes to VLM 200 A design for low speed up to 0 5 m min working distance 170 mm can be compatibly assembled with VLM 200 standard type 185 mm with internal length measurement VLM 200 FL Type Notes see above design for regulating tasks with high dynamic due to gliding average minimum update time at output 2 ms pulse and 5 ms analog design for low speed up to 0 5 m min working distance 170 mm can be compatibly mounted with VLM 200 Standard 185 mm without internal length measurement VLM 200 SD Type See notes to VLM 200 A design for synchronous differential soeed measurements with high reproducibility and high measuring dynamic due to gliding average minimum update time at output 2 ms pulse and 5 ms analog design for low speed up to 0 5 m min working distance 170 mm can be compatibly mounted with VLM 200 Standard 185 mm without internal length measurement 1 9 User manual for VLM 200 in advance UM VLM 2 Price is set off on purchase indicate when placing order VLM 200 FL N VLM 200 SL 00 ASTECH 2006 Page 61 VLM 200 User manual Appendix Measuring Devices of
70. mmable optically isolated pulse outputs each with two phases RS422 driver frequency 0 4 Hz 500 kHz resolution 20 ns Interface board IF 2F 5V IF2F5V VLM 2 built in to VLM 200 incl additional connection socket with plug 2 programmable optically isolated pulse outputs each with two phases and inverted signals 5 V driver RS422 compatible frequency 0 4 Hz 500 kHz resolution 20 ns Option for Interface board IF 2 IF2F IF2 Al VLM 2 IF2 card with analog output 16 bit as additional component version optically isolated 4 20 mA please specify other ranges 0 20 mA or 0 24 mA Interface board IF 2 PP IF2PP VLM 2 built in to VLM 200 incl additional connection socket with plug 2 programmable optically isolated pulse outputs frequency 0 4 Hz 50 kHz 7 push pull drivers with 100 mA per output external power supply 15 to 30 Volt A2 A2 B2 B2 A3 and B3 pulse outputs and OUTS status output Interface board IFETHER IFETHER VLM 2 built in to VLM 200 incl connection socket with plug with 5 m patch cable RJ45 output measuring rates over Ethernet TCP IP UDP IP and Telnet Connection board AB 1 with NPN outputs AB1 VLM 2 built in to VLM 200 Hint a AB1 is in the standard scope of delivery of the VLM 200 2 11 Connection board AB 2 PP with push pull outputs AB2PP VLM 2 built in to VLM 200 instead of AB 1 OUT1 2 and 3 push pull diver with 20 mA per output internal power supply 24 Volt for new device without A
71. mmand Date displays and sets the date for devices with a real time clock RTC Date without parameter displays the date in the dd mm yy format The real time clock is optionally available Syntax Date dd mm yy 9 1 7 The Direction command This command determines the source of the directional switch over If the direction of movement of the measuring object and the direction specified by an arrow on the device coincide the movement is defined as forwards For units without the optional directional identification Direction 4 is not permissible If a direction is incorrectly set this causes corrupt messages The error can increase with growing speed The codes 5 6 7 and 8 have the same function as the codes 0 1 2 and 3 see table 7 It should be observed that in the case of Direction 4 to amp the technical data changes refer to chapter on Device Designs The use of the codes 5 6 7 and 8 can be useful to adjust the optical resolution of the device to the surface of the measured object Thus a higher signal rate can be achieved in the case of rough structures e g rough steel wood paper with back light illumination Syntax Direction n n 0 8 Externally to IN1 40 to 0 3 mA forwards 5 to 40 mA backwards Externally to IN1 40 to 0 3 mA backwards 5 to 40 mA forwards optional As O forwards double grid constant see above As 1 backwards double grid constant As 2 externally to IN1 ext
72. n be screwed incl all connection cables a 5 m short documentation 5 4 Digital display for analog signals IP65 PAXDCA PAXDCA IP65 steel housing 85 250 V AC input 0 4 to 20 mA display red programmed for VLM 200 connection displays 0 100 at 4 20 mA analog signal all connections can be screwed incl signal and power cable a 5 m 5 5 Analogue Current Meter ACM ACM aluminum housing IP52 analogue current meter 4 20 mA displays 0 100 incl 5 m connection cable ASTECH 2006 Page 65 VLM 200 User manual 10 7 6 Mounting accessories and protective equipment Item No Description Order code with long holes for z direction upgrade to MP 3R possible with long holes for z direction and rotation incl MP 3 and rotation plate 6 3 Mounting plate MP5 MP 5 VLM 2 rotation for CB5 CB5 must provide a hole for MP5 pin Mounting plate MP1 MP 1 VLM 2 with long holes for y and z direction for new applications please use MP 3 6 5 Set of vibration absorbers for VLM 200 ELMA VLM 2 4 E 4 x M6 hole on M6 thread incl 4 x M6 screws Air jet unit PA 2 PA 2 VLM 2 with Y4 connection thread protection against dry dust mounted on the VLM 200 cannot be combined with LA option tempered clean compressed air required 6 Linear unit LJ 1b for device adjustment Y direction or Z LJ 1b VLM 2 direction incl adapter plate for VLM 200 can be used optionally for X direction 30 cm procedural distance
73. n this time interval are compressed into an average and saved The time set by the Average command is not be taken into consideration in offline mode Syntax OF FTime n n 2 65535 unit ms 9 8 7 The OFF Value command This command determines whether velocity length number of objects or the measuring rate should be measured Syntax OFF Value c c V L N R 9 8 8 The POFF command Indicates all parameters for the offline measurement Syntax POFF 9 9 Read commands The read commands serve to asynchronously read out the measuring values They are especially quickly processed by the command interpreter All read commands are entered with a letter and executed according to the following CR OAH The value is output with fixed formatting see below and terminated with CR LF ODH OAH Digits after decimal point 1 23456 1234 5678 R Measuringrate 3 0 a N Objectcounter 1 BT Frequency of the last burst 1234 45 Table 13 Read commands The Start command can also be abbreviated by the letter S in order to start a new length measurement ASTECH 2006 Page 46 VLM 200 User manual Programming 9 10 System commands 9 10 1 The Password command The system Store command is protected by a password which can be changed by the Password command The password consists of up to eight characters including large and small case letters figures special and space characters which are represented by asterisks when inp
74. na E N n S N 24 PE aro Pal Mint hens arate ale nase ea ae habt as SER es aa a esse esse 29 9 1 yee FC OM INS ee een EE 29 9 1 1 The Average Command an a Ra else 29 9 1 2 The Calacior Command a uhren 30 9 1 3 OSC ahbrate Commander ee ne neh ee 30 9 1 4 These hal Commande e SAS EEE REDEN 30 9 1 5 The Coeck Cna ran nee en ne elas ee 31 9 1 6 The PI GTS comma eere E coast daar dabeu tue uae nso E N S 31 9 1 7 The Direch on on man Aare ehe ne neh elite 31 9 1 8 Ihe 2770r COMMA EEE 32 9 1 9 Ihe LEO COMMMAING nennen er Da ee ee 32 9 1 10 The Fel COMM ANG aussen ex dour N ela dea Weis us waves lone teal OE 32 LEI SEC FA OVATE t OMIA it iat een neh eltern 32 9 1 12 The NYO COMMMAIG er REES 32 OVS Ihe Minrate command zer ns Ka a ee se ee 32 ArI Ihe Number command nn 33 9 1213 Ihe BRarameter command each nl neh elite 33 9 1 16 IheReadpara command ee EEE EEE NEE 33 9 117 NCAR EVE COMM AINA ernannte 33 DVS LNG Seralnumber lt onmand essssaise ae 33 DAO THES enal Tror command u ne ein 33 9 1 203 Thesar Command Ars EEE REDE 34 9 1 21 TG SCOP Command en nn a en een 34 9122 The rest command REITER 34 9 123 The 712 Ger Command anne ANTEE EANA A E ENN A 35 9 2 AREORA E AE AE A E 35 ASTECH 2006 Page 3 VLM 200 User manual Contents 92 1 PG ATOM command essen 36 9 2 2 Ihe ALMar command re eier 36 9 2 3 TheALMN COMAN eea een reader 36 9 2 4 Ihe ALT me Command engine eegenia nee ee kcotiag aoues 36 9 2
75. nted in a velocity range of 3 up to 3 m s at different values for ANMIN and ANMAX The velocity is output to the analog output ANValue V ANMIN 3 ANMAX 3 ANMIN 2 ANMAX 2 ANMIN 0 ANMAX 2 Figure 17 Examples of analog output Currents less than or greater than the range determined by the hardware e g 4 to 20 mA are not possible If e g the value to be output exceeds ANMAX the maximum current value is output ASTECH 2006 Page 38 VLM 200 User manual Programming 9 4 ECC control A monitoring of the measuring rate and the velocity with hysteresis can be realized via the ECC control The ECC control represents an extension of the measuring rate monitoring with the Minrate command It is required when using the ECC2 interface card or the external ECCI switched over device The ECC2 card or the external ECC1 device allow the connection of an external shaft encoder or a second VLM 200 velocity measuring device When falling below the value of a selectable velocity or measuring rate the pulse output is switched over to the shaft encoder or the second measuring device The switch back occurs if velocity and measuring rate are again greater than further values that can be set Velocity and measuring rate are observed after reaching the average time Average parameter The switch over occurs via a status signal OUT3 This signal being updated every 10 ms If the Holdtime has expired the status signal is imm
76. nternal calculation of the length and an automatic directional identification are not possible refer to the chapter on the F and S device series for more details Due to the high calculation performance the use of the VLM 200 F is to be recommended for higher velocities 3 3 VLM 200 D series The VLM 200 D and VLM 200 FD are specially designed for applications on metallic surfaces as well as for a large distance variance They realise a working distance of 240 15 mm and are distinguished by a high reproducibility lt 0 05 with a working range of 240 7 5 mm Measurements of velocities less than 0 033 m s 2 m min are possible The devices in the D series can if necessary be configured for a wide range of the distance variance see table ASTECH 2006 Page 9 VLM 200 User manual Equipment design 3 4 Option h for VLM 200 D series Build on the VLM 200 D series the option h was developed for measuring glowing tubes wires and profiles made of steel copper and brass and other The older H series with a working distance of 330 15 mm is stopped The devices VLM 200 D h realise a working distance of 240 15 mm and use special optical windows Depending on the individual ambient conditions a sufficient cooling is necessary e g CB5 cooling and protecting case and air supply ACS 3 5 VLM 200 L series The VLM 200 L and VLM 200 FL devices realise a measuring distance of 170 7 5 mm They are used primarily to measure low
77. o of 1 1 at the OUTI and OUT2 outputs electrically isolated by optical couplers The phase shift can be controlled by the INI directional input or the internal directional identification between 90 or 90 Two additional pulse outputs each with 2 phases A B are optional on the interface cards of the IF2 series The output is updated at the next pulse edge either after reaching Average or after a trigger event refer to I NCOutput command 9 5 1 The INCOn command This command switches the pulse output on or off When activating the pulse output the alarm output is automatically deactivated Syntax INCOn n n O off 1 on with IF2 series n 1 2 3 In devices with the IF2 or IF2F interface cards the n 2 parameter means that the additional two pulse outputs are switched on and the standard pulse output is switched off All 3 pulse outputs are switched on with n 3 AN In order to minimise the burden of the micro processor all unnecessary output channels should be switched off 9 5 2 The NCFactor command A scaling factor can be set by this command 100 Hz are output with a factor of 1 if the velocity is 0 1 m s or the measuring rate 100 refer to INCValue and the Programming Examples in appendix Syntax INCFactor n n 0 000001 231 10 The possible output frequency for the pulse output ranges from 0 5 Hz to 7 kHz At 7 kHz a maximum output error of 0 2 results at 3 5 kHz of 0 1 et
78. o zero Each trigger event increases the counter by one refer to Trigger command The object counter serves to measure individual parts for the parts count Syntax Number n 0 65535 9 1 15 The Parameter command Lists the current setting of the parameters There are separate commands for the parameter display of the output channels Syntax Parameter 9 1 16 The Readpara command This command reads out the parameter setting of the device The following commands are automatically executed Serialnumber Parameter PInc PAn PAl PECC POff PSI and PS2 The outputs can be protocoled in a terminal program with log function For this purpose the Readpara command should be entered the Log or Protocol function of the terminal program should be activated the command should then be executed with ENTER The log should be terminated by storing the file The stored file can be sent to a measuring device for later re configuration via Send file thus making a quick configuration of the VLM 200 possible then save via Store Syntax Readpara 9 1 17 The REM command All following characters are ignored REM serves to insert comment lines into parameter files which can be sent via the programming interface to the measuring device to program the VLM 200 The characters semicolon S N and gt have the same effect as REM thus it is possible to send back the parameter setting read out by
79. on Programming during calibration refer to Calibrate command or during offline measurement refer to chapter on Offline While the busy LED is yellow the output channels are not addressed or addressed with a delay Error LED If the red error LED constantly flashes after switching on this is due to a technical defect If it flashes at short intervals or constantly during operation parameters are incorrectly set or there were transmission errors In all cases the cause should be determined using a PC and the Error command and then eliminated as otherwise errors in the measuring results are possible ASTECH 2006 Page 25 VLM 200 User manual Maintenance 8 Maintenance 8 1 Windows The VLM 200 operates optically 1 e it must see the measuring object Therefore it is necessary to check the windows at regular intervals and if necessary to clean them The windows should be cleaned with a soft non fuzzy cloth and a normal detergent for windows ASTECH Window for lens Window for optional laser receiver Window for lighting Figure 12 VLM 200 window Destroyed windows need to be replaced To do this the device has to be dismantled from the plant and cleaned The window may only be replaced in a clean environment The 4 hexagon socket screws key width 2 0 should be loosened The window can be lifted off the seal with a flat screwdriver Neither the inside of the window nor the lenses may be touched The new window
80. or equal 20 ns Additionally an optically isolated analog output 16 bit resolution 4 to 20 mA or O to 20 mA can be assembled The four OUT4 to OUT7 outputs are electrically isolated by optical couplers but have the same reference potential The OUT4 5 and OUT6 7 outputs can be scaled independently A clock out of phase by 90 is provided refer also to programming of the pulse output The outputs of the IF2F 422 and F2F 5V interface cards are only protected against ESD but not however against surge 6 7 1 IF2F 422 interface card The outputs are designed as RS422 drivers MC3487 interface driver The maximum cable length for RS 422 is 500 m for the asymmetrical pick off against O GND maximum length is 5 m H level approximately 3 5 V O CW IN ZZ 4Z SAI 1 1 GND 1 OUT O BBBZ HIALSY Figure 10a IF2F 422 interface card It should be observed that the receiver side of the RS 422 cable must be terminated with 100 Ohm ASTECH 2006 Page 22 VLM 200 User manual Connection 6 7 2 IF2F 5V interface card The outputs are designed as 5 Volt driver steps 7J4ACTOA4 interface driver OUT4 is the pulse output A2 OUT4 is A2 OUT5S is B2 OUTS is B2 OUT6 is A3 and so on The maximum output current 1s 24 mA per channel The maximum cable length is 200 m n the case of an output frequency of less than 50 kHz maximum cable length is 500 m O Zar h gt Oo rp oP A N
81. oring time 2 05535 POFF Indicates the parameters for the offline operation 10 1 9 Read commands Comm Return value l Digits after the Example and decimal point 1 23456 234 5678 l 123 Frequency of the last burst kHz 1234 45 R Measuring rate Object counter ASTECH 2006 Page 55 VLM 200 User manual Appendix 10 1 10 System commands Remarks Default password WEGA Interrupts the measurement nterrupts the measurement Simulation Simulation nl n2 Interrupts the measurement nl velocity in m s n2 measuring rate Store Save parameters With password protection Interrupts the measurement for a short time ASTECH 2006 Page 56 VLM 200 User manual Appendix 10 2 Programming examples Print protocol A production company cuts steel plates A VLM 200 measuring device with optional laser light barrier and real time clock is used for the final control A print protocol is to be generated containing date time consecutive numbering with factory identification number and plate length A light barrier is connected to the IN input trigger input the beginning and the end of the plates are detected A printer with serial interface is connected to interface 1 of VLM 200 after programming Programming Trigger O Individual part measurement SI Interface 9600 N Baud rate of printer no protocol The abbreviated form without space characters can also be entered for the format speci
82. other lengths on request Linear unit LJ 2b for device adjustment Y and Z direction incl adapter plate for VLM 200 30 cm procedural distance each other lengths on request Linear unit LJ 4 for cooling case CB 5 Y and Z direction incl adapter plate for CB 5 30 cm procedural distance each other lengths on request Cooling and protection case CB 5 for VLM 200 CB 5 TBx for rolling mill applications cover has all around seal high grade steel x 4 5 stainless tempered clean air required not for L series design for 70 mm hose diameter delivery incl TB4 or TB5 6 11 Protection nozzle TB 4 for CB 5 TB 4 xxx Protection against oil water dust and steam tempered clean air required xxx 185 240 330 high grade steel stainless please specify the working distance xxx of VLM 200 Protection nozzle TB 5 for CB 5 TB 5 xxx Protection against oil water and dust tempered clean air required high xxx 185 240 330 grade steel stainless short length Please specify the working distance xxx of VLM 200 Air supply and connection case AC 5 for CB 5 delivery includes 5 m air hose and cable for VLM 200 design for 70 mm hose diameter Air hose length 5 m diameter 70 mm Plastic air hose 70 mm for connection AC 5 to CB 5 delivery incl customised cables to the VLM 200 extra charge 25 00 Euro per meter until maximum length 15 m Metal air hose length 5 m diameter 70 mm Metal air hose 70 mm for connect
83. quency of the filter board FB1 200 A 200 D C DIRECHON 0 3 4 8 0 3 0 3 8 0 3 4 8 0 3 4 8 0 3 4 8 Vmax m min l 5 10 20 50 Vmax m s 0 02 0 08 0 17 0 33 0 83 1 67 323 5 6 67 8 33 10 11 7 133 15 16 7 20 239 26 7 30 33 3 36 7 41 7 50 Limit frequency of the FB1 filter board in kHz Note In the case of an increase in the velocity range due to the replacement of the FB1 the RMAX and AMPLIFIER parameters should be adjusted In the case of a reduction in the range an adjustment of the cited parameters is recommended As these parameters are not described here please consult your supplier ASTECH 2006 Page 73 VLM 200 User manual Appendix 10 11 Descriptions of the interfaces 10 11 1 RS 232 interface ABl IF1 ECC2 The RS 232 interface serves to transmit serial data between two devices As almost all computers are equipped with an RS 232 interface COM1 COM2 the VLM 200 has an RS 232 interface electrically isolated for configuration Due to an electrical isolation the RS 232 is also suitable for an industrial environment The interface allows full duplex operation i e a party can simultaneously send and receive data from another party The TxD RxD and GND signals are used Data transmission 1s controlled via the XON XOFF protocol software handshake 1 e f the receiver is not ready to receive he sends the XOFF signal to the transmitter which then interrupts the transmission If
84. ring device Item No Description Order code VLM 200 A Standard Type VLM 200 A Device working distance 185 mm for measuring velocity and length Notice for VLM 200 Types Standard 230 V AC power supply with serial interface RS 232 and one output with two phases velocity range to customer request at no extra cost Scope of delivery Device handbook power supply cable spare lamp RS 232 programming cable cover plug for programming connection connection plug grounding cable adjustment aid for working distance and terminal program for configuration via PC 3 57 disk VLM 200 FA Type See notes to VLM 200 A design for regulating tasks with high measuring dynamic due to gliding average minimum update time at output 2 ms pulse or 5 ms analog VLM 200 D Type See notes to VLM 200 A design with increased distance variance and working distance 240 mm with internal length measurement low 2 m min velocity possible VLM 200 FD Type See notes to VLM 200 A design for regulating tasks with high measuring dynamic due to gliding average minimum update at output 2 ms pulse or 5 ms analog increased distance variance and increased working distance 240 mm low 2 m min velocity possible without internal length measurement VLM 200 FA _ NO VLM 200 D _ eb VLM 200 FD DD 5 VLM 200 SD VLM 200 SD Type See notes to VLM 200 A design for synchronous differential speed measure
85. s been made to the device and programming can begin Commands can be entered in abbreviated form Input as many characters as necessary to make the syntax unique The VLM 200 does not differentiate for commands between small and large case letters Parameters are separated by space characters Figures before and after the decimal point are separated by the decimal point If the command is called without an optional parameter the current value of this parameter is displayed All commands described here are listed again in the appendix The default value specified there may already have been adjusted During the processing of most commands the actual measuring function is interrupted or delayed and the data transmission to serial interface 1 is stopped This status 1s indicated by the yellow BUSY LED The modified parameters are lost if they were not stored by Store prior to switching off the measuring device Please heed that some parameter have a different meaning if using devises of the F and S series 9 1 General commands 9 1 1 The Average command This command serves to set the averaging time for velocity and measuring rate calculation The internal length calculation is independent of the set averaging time Within the time determined by Average all signals bursts occurring are compressed into an average value The average value can then be output to the respective interfaces The command without parameter indicates the averaging
86. s ena nouenanion ee 8 24 EC nleialoniseeeii El Rlikielsnsukiieliesleisilsce 8 32 AESUIDIMENE GES NS an el era E E slat saunsinecuarsusemstaas 9 3 1 VEM ZOO ASC ES re en e AE A E E EE 9 32 NEM OOT Serena 9 333 MEN OO D e a E E a A A E S 9 34 Options Tor VEM 200 Semmes manieri an ein gs 10 ID VEN ZOTE Sr E E a a a a e ee 10 30 NEMOS SEES eo eE O E eE r ae ansa 10 37 Summary of eguipment desiens a a ae eei 1 A TSC al Gata idi dagla snsoukialdenbadsncnsdansalcenbaslawaboiyelsesbad utuaroip tect ba ddausbolicinesbadieinseip pede asdsonedes 13 I Is Alla One E E nc cette aetna see voip at ob res re ee 14 O CONECO eroaan ean aroun E eoadas nt und AE A AE a a walt uadensaeeel 16 OF Powersupply and eating iiher a a aR 16 628 SONNE ES ss see se aus 17 63 AB RKCONNOCONO IN Poire ee ee ae oracle 18 6 3 1 Soral interface sten een ee ee 18 6 3 2 INF and IN Impuls sa erkennen 18 6 3 3 OUT cases ceca ee a ar RN sel 19 64 WF intent aCe Ca danera a a a en reser 20 65 ME2anterfiee O28 KG ene Coe Pe E A ee ee 21 60 IED BPAntertace arten sen 21 6 7 IE2E A22 and TEZEISV Interface ars eier 22 6 7 1 IE2E 42 niert ACE td ee re ee 22 6 7 2 IFO PSV interface Card ae nee REEL 23 6 8 IF PROFI and IF ETHER interface card cuscceeneseeneseennsenenennennnnennnennnnnnnnnnnonennnnenennnnene 23 69 TEEN ea ee ee 24 T OPraem UC NONS aee E a T E E A E 25 SNT a r een E E AE E E en eee 26 Sek WdOwA a a a a E a r O E 26 82 LENINS aia
87. ses 1 phase A optoisol _ outputs pulses 1 phase B gt K A status signal NOC 3x1 2k GND pa i optoisol inputs IN2 cy Re IN2 direction connection 2 earth digital IN OUT protection circuit connection board AB1 brown 3 2 L1 mo blue N mains De internally 230V 50Hz green ellows PE PE Zi w amp D ie oo oo power filter connection 3 power supply 230V AC SAh Figure A4 Connection example for VLM 200 without interface card ASTECH 2006 Page 77 VLM 200 User manual Appendix 10 12 2 Connection example 2 VLM 200 with IF1 RS422 Wiring VLM 200 Socket 2 1s occupied by a two phase pulse output OUT1 and OUT2 and RS485 for the connection of the PAXICA counter Socket 4 1s occupied by OUT3 output status signal directional input IN1 and trigger input IN2 RxD A brown oul RxD optoisol TxD hit Er RS232 x O TxD 5 leno o o ow ga GND 5 blue 1 3 V GND PC COM shield connection 1 OUT1 A brown oE 12 V OUT1 white 42 2 i pulses 1 i phase A optoisol i outputs O pulses 1 phase B i fi 2x620 Ohm in counter GND black 2 4 A om ral psi zu i counter display PAXI optoisol i inputs O i connection 2 earth digital IN OUT protection circuit connection board AB1 O aed 24 V externally 5 i RS422 O g 1 2k O NS ann l RE direction protection circuit interface board IF1 i N o GND set RS485 without
88. set value Syntax ALValue c c V L 9 2 7 The PAL command Indicates all parameters of the alarm output Syntax PAL AN In order to minimise the burden of the micro processor all unnecessary output channels should be switched off ASTECH 2006 Page 36 VLM 200 User manual Programming 9 3 Analog output In the case of an analog output optional IF1 IF2 interface card with AI option an analog current can be output A digital analog converter with 16 bit resolution is used The range for the output of measuring values is set by the ANMin and ANMax commands ANMin determines the value at which the minimum current value is output ANMax applies accordingly to the maximum value Example with ANMin 0 and ANMax 1 the following parameters result Am ows om o 0o 1000 Table 10 Example for the analog output ANMin 0 and ANMax 1 If the current measuring value is less than ANMin the lowest current value is output if greater than ANMax the highest current value is output In the case of a missing the measuring signal the lowest value is output The output is updated either after reaching Average or after a trigger event refer to ANOutput command 9 3 1 The ANOn command This command switches the analog output on or off Syntax ANOn n n O off 1 on 9 3 2 The ANMin command This command allows to set the minimum value for analog output Syntax ANMin n n 230 103 230 10 3 9
89. should be secured with 4 screws The screws should be cleaned first moistened with very little screw lubricant and screwed in Replacement window lens Replacement window lighting VLM 200 H measuring device OW 4 All other VLM 200s OW 2 LI 35 external lighting Table 5 Ordering codes for replacement window The OW 2 and OW 3 windows consist of special glass with high transmission The OW 4 window reflects infrared rays The OW 3 and OW 4 windows have an increased temperature resistance If the windows need to be washed often or if they wear quickly protective measures may be necessary e g PA2 free blowing unit or CB5 cooling and protecting case with ACS air generation ASTECH 2006 Page 26 VLM 200 User manual Maintenance 8 2 Lighting A special 6 volt halogen lamp with a limited life is used in the VLM 200 As a precaution the lamp should therefore be replaced by a new one every 2 000 operating hours Very strong vibrations and improper handling may lead to premature lamp failures Switch on time per day Replacement cycle for lamps 8 hours 1 shift operation 8 months 16 hours 2 shift operation 4 months 24 hours 3 shift operation 2 5 months Table 6 Replacement cycle for lamp The actual halogen lamp is aligned and secured in an aluminum block The block is led through two set pins in the VLM 200 and held with a hexagon socket screw cylinder head M3 x 10 mm The electrical contact 1s made with cable conn
90. supply POCOA DC 8 17 PTX 8 18 Male socked PG9 for signal connection PG9 5M VLM 2 interference free 5 contacts male open for connection 2 4 and 5 signal J J i B coded 4 contacts male open for connection 4 and 5 8 contacts male open for IF2F 5V for connection 5 8 21 Male socked PG9 for RS 232 PG9 5F VLM 2 Installation into the gauge Installation into the gauge Explanation open i e with end splices ASTECH 2006 Page 68 VLM 200 User manual 10 7 9 Installation accessories and other equipment for VLM 200 Order code PUR signal cable 5x 0 25mm screened 5 2 mm PUR signal cable 8x 0 25mm screened 6 2 mm 9 3 HF signal cable price per meter HF4S twisted pair wires screened 6 2 mm recommended for IF 2 F 422 and analogue output Resistor 1 2k for rail mounting RH1 2 co 0J gt Resistor 1 2k with red LED for rail mounting RHLEDr1 2 Resistor 1 2k with green LED for rail mounting RHLEDg1 2 9 7 Resistor 120 Ohm for rail mounting recommended for IF 2F 422 Measurement resistor 500 Ohm 0 1 RS500 Tool for adjustment of working distance for VLM 200 L series WD170 VLM2 170 mm aluminum tube 9 10 Tool for adjustment of working distance for VLM 200 A standard series RH120 WD185 VLM2 185 mm aluminum tube 9 11 Tool for adjustment of working distance for VLM 200 D series WD240 VLM2 240 mm aluminum tube 9 12 Tool for adjustment of working distanc
91. tallic and glowing surfaces universal VLM 200 parameter DIRECTION 4 8 ASTECH 2006 VLM 200 FA h 4 up to 1500 m min 0 07 up to 25 m s 0 1 lt 0 1 185 7 5 mm 185 7 5 mm 8 up to 3000 m min 0 14 up to 50 m s 185 15 mm 0 2 gt 2 ms moving average Metallic and glowing surfaces universal Measuring range depends on the applied FB 1 filter refer to appendix Further information can be found in data sheets VLM 200 SA h 4 up to 1500 m min 0 07 up to 25 m s 0 1 lt 0 1 185 7 5 mm 185 7 5 mm 8 up to 3000 m min 0 14 up to 50 m s 185 15 mm 0 2 gt 2 ms moving average Metallic and glowing surfaces Difference measurement VLM 200 D h 2 up to 400 m min 0 03 up to 6 7 m s 0 1 lt 0 05 240 7 5 mm 240 15 mm 200 km 4 up to 800 m min 0 07 up to 13 3 m s 240 30 mm 0 2 gt 8 ms yes Metallic and glowing surfaces universal VLM 200 FD h 2 up to 900 m min 0 03 up to 15 m s 0 1 lt 0 05 240 7 5 mm 240 15 mm 4 up to 1800 m min 0 07 up to 30 m s 240 30 mm 0 2 gt 2 ms moving average Metallic and glowing surfaces universal VLM 200 SD h 2 up to 900 m min 0 03 up to 15 m s 0 05 lt 0 03 240 7 5 mm 240 7 5 mm 4 up to 1800 m min 0 07 up to 30 m s 240 15 mm 0 1 gt 2 ms moving average synchronously Metallic and glowin
92. tallic surfaces Difference measurement VLM 200 L 0 5 up to 50 m min 0 008 up to 0 83 m s 0 1 lt 0 05 170 5 mm 170 7 5 mm 200 km 1 up to 100 m min 0 016 up to 1 7 m s 170 10 mm 0 2 gt 8 ms yes metallic and other surfaces low velocity Equipment design VLM 200 FL VLM 200 SL 0 5 up to 50 0 5 up to 50 m min m min 0 008 up to 0 83 m s 0 1 lt 0 05 170 5 mm 170 7 5 mm 1 up to 100 m min 0 016 up to 1 7 m s 170 10 mm 0 2 gt 2 ms moving average metallic and other surfaces low velocity 0 008 up to 0 83 m s 0 05 lt 0 03 170 5 mm 170 7 5 mm 1 up to 100 m min 0 016 up to 1 7 m s 170 10 mm 0 1 gt 2 ms moving average metallic and other surfaces Difference measurement for low velocity Special designs are possible Page 11 VLM 200 User manual Velocity range in m min Velocity range in m s Accuracy Repeatability in range Working distance Internal length range Widen velocity range in m min Widen velocity range in m s Working distance for widen range Accuracy in widen range Averaging and updating Optional automatic directional detection Material Application VLM 200 A h 4 up to 400 m min 0 07 up to 6 7 m s 0 1 lt 0 1 185 7 5 mm 185 7 5 mm 200 km 8 up to 800 m min 0 14 up to 13 3 m s 185 15 mm 0 2 gt 8 ms yes Me
93. th plug built in to VLM 200 5 pole for device connections 4 and 5 1 2 pieces are possible 2 21 Additional filter board FB1 FB1 VLM 2 Please specify velocity ranges range depends on VLM200 type and setting of DIRECTION parameter 2 22 PC Software VLMTOOL VLMTOOL Convenient parameter setting and device administration including graphic online output with protocol designed for Windows 98 2000 NT XP Notes Only one Interface board can be plugged in for the IF 1 interface card and ECC2 controller slot card RS 232 option can not be combined with the RS 422 option An analog output is not available for IF 2 PP 10 7 3 Spare parts for VLM 200 and external LI35 lighting No Item No Description Order 3 1 Spare lamp for VLM 200 LM6H10W VLM 2 a a 3 2 Spare lamp for VLM 200 LB6H10W VLM 2 Ba a Spare lamp for LI 20 LM12H20W LI 20 Spare lamp for LI 35 LS12H35W LI 35 Spare window OW 2 for VLM 200 and LI 20 for VLM 200 H lighting window and LI 35 for VLM 200 H lens window 3 8 External lighting LI 35 LI 35 IP 65 casing power supply 230V AC 35 W halogen lamp LS12H35W incl mains cable please order spare lamp LS12H35W LI 35 at the same time ASTECH 2006 Page 64 VLM 200 User manual Appendix 10 7 4 Options for measurement of individual parts Laser light barrier LA LA VLM 2 for measurement of individual parts consisting of a built in receiver in the VLM 200 and an external laser with adjustable holder
94. the case of voltage differences of gt 42 volts between the signals or to the ground conductor The derivation of the surge can lead to the protection switching transmitting and thus to the short term failure of the signal concerned ASTECH 2006 Page 17 VLM 200 User manual Connection 6 3 ABI connection card The terminal of the AB 1 connection card contains the connections for the serial interface 1 programming interface the inputs INI IN2 and outputs OUT1 up to OUT3 The BRI and BR terminals are only connected with each other and can be used as a bridge ci JO N Q I me ON OG I1C202 KI BAZOS I BBBZ HIALSY CHIN 189 oc Bezos eos ecoe azost Figure 6 ABl connection card 6 3 1 Serial interface 1 A serial interface according to the RS 232 standard s used It serves to program the device and can also be used for data transfer The RxD TxD and GND connections are available device connection 1 Baud rate protocol type and parity are set via the S nterface command The VLM 200 is equipped with an automatic baud rate identification which can be switched on via the SI Interface command The format is pre set to 8 data bits and 1 stop bit Standard parameters are 9600 baud no parity and XON XOFF protocol The connection is made at the terminals identified by GND RxD and TxD The interface is optically isolated to all other connections 6 3 2 IN1 and IN2
95. time The value selected should be as large as the process dynamic allows Common values are 10 ms to 250 ms Syntax Average n n 5 65535 unit ms ASTECH 2006 Page 29 VLM 200 User manual Programming 9 1 2 The Calfactor command This command allows a calibration factor to be entered manually or to be displayed The value of the calibration factor is usually close to one Syntax Calfactor n n 0 950000 1 050000 Calculation of the calibration factor based on the length or velocity indicated by the VLM 200 and the actual values actual value new calibration factor old calibration factor indicated value 9 1 3 The Calibrate command This command performs a calibration of velocity or length For this purpose 3 parameters must be entered in the following sequence c V velocity calibration L length calibration nl duration of the measurement in the case of velocity calibration in seconds or quantity of objects to be measured in the case of length calibration n2 exact value of velocity or length to be calibrated set value For the calibration only amounts are used 1 e negative velocity or length values are converted into positive values During calibration the measurement progress is indicated in percent and the busy LED is yellow The pressing of ESC causes an abort After the measurement has been completed the new calibration factor is indicated The value is saved by Store as are a
96. tor metal not Binder Esto B rsig Series 713 99 0437 55 05 screened Male duo connector not screened Series 713 99 0437 142 05 10 8 2 Cable connector for connections 2 4 and 5 signals IN OUT Type Series Female cable connector screened Series 713 99 1436 814 05 Female angeld connector screened Series 713 99 1436 824 05 Female cable connector metal not Binder Esto B rsig Series 713 99 0436 55 05 screened Female duo connector not screened not Series 713 99 0436 142 05 screened 10 8 3 Cable connector for connection 3 115V AC 230V AC Type Series Female cable connector Series 693 99 4222 00 04 Female angeld connector Series 693 99 4222 70 04 10 8 4 Cable connector for connection 3 24V DC Type Series Female cable connector Series 693 99 42 18 00 07 Female angeld connector Series 693 99 4218 70 07 Status January 2003 modifications possible 10 8 5 Assembly instruction for screened connector pt eat Li Figure Ala Assembly instruction for screened connector 1 2 4 and 5 ASTECH 2006 Page 70 VLM 200 User manual Appendix 10 8 6 PIN assignments for cable connectors Figure Alb Wiring instruction for screened connector 1 2 4 and 5 ASTECH 2006 Page 71 VLM 200 User manual Appendix 10 9 Ordering codes for interface cards Basic RS232 RS485 RS422 Analog output function only output only output 4 20mA Analog output 25 kHz pulse 50 kHz pulse 500 kHz pulse 500 k
97. tput Syntax PINC ASTECH 2006 Page 41 VLM 200 User manual Programming 9 6 Output via serial interface 1 9 6 1 The SIOn command This command switches the data output at the serial interface on or off The data output is interrupted during command input and processing Syntax S1On n n 0 off 1 on 9 6 2 The S Format command In addition to programming data can also be output via the serial interface 1 The transfer format can be pre set in wide limits Data are output in ASCII format The individual parameters can be separated either by commas or space characters However the separators between the parameters may also be omitted Syntax SIFormat s s character chain of the parameters max 32 characters V Inserts the velocity in m s 0277 Lo Insertsthelengthinm SSS N Inserts the status of the object counter _ _ o Ve Inserts the string enclosed in apostrophes V L N al x n m Formats the value a V L R multiplied by x as a figure with n digits and m digits after the decimal point h a H S C T str x H n Outputs the value a as hexadecimal figure with n characters 24 Bit velocity sign 6 nibble hexadecimal output decimal 123456 means 1 23456 m s lt SPACE gt 12 Bit measurement rate 10 3 nibble firmware version from V6 6 D nserts the current date e g 31 12 99 only for units with RTC Ci Inserts the current time e g 12 50 28 only for units with RTC
98. ty and length Conformity with the following standards EN 50 081 2 interference transmission 30 230 MHz 30 dbu V m 230 1000 MHz 37 dbu V m EN 50 081 2 interference voltage 150 kHz 30 MHz EN 50 082 2 resp IEC 1000 4 2 ESD 8 kV air 4 kV contact discharge EN 50 082 2 resp IEC 1000 4 3 EMV 27 1000 MHz EN 50 082 2 resp IEC 1000 4 4 burst 2 kV EN 50 082 2 resp IEC 1000 4 6 EMV 150 kHz 80 MHz Place Rostock Date April 2005 Volker Ahrendt General Manager ASTECH 2006 Page 85
99. unction ALMax without parameter indicates the value If the measuring value is greater then MAX OUT2 switches Syntax ALMax n n 0 0001 23 104 unit m sorm 9 2 3 The ALMin command The ALMin command sets the MIN value for the alarm function ALMin without parameter indicates the value If the measuring value is less than MIN OUTI switches Syntax ALMin n n 0 0001 23 104 unit m sorm 9 2 4 The ALTime command This command determines the time interval in ms after monitoring has occurred ALTime without parameter indicates the set value In the case of a velocity monitoring the value must be the same as that set for Average or a multiple of it In the case of the length monitoring e g for a length control the time to be selected depends on the permissible error for the length In the case of short lengths but also in the case of small velocities a solution with pulse output and length counter should be preferred over the alarm output as a higher precision is achieved Syntax ALTime n n 1 65535 unit ms 9 2 5 The ALOutput command This command determines whether the control is carried out after the time interval specified by ALTime ALOutput 0 or when a trigger event occurs ALOutput I see Trigger command Syntax ALOutput n n 0 1 9 2 6 The ALValue command This command determines whether the velocity in m s or length in m should be monitored ALValue without parameter indicates the
100. ure that nothing gets wedged Do not touch T the glass of the new lamp 5 The hexagon socket screw should then be fixed and the two connectors connected until they lock together The cables may not lie in the optical path of the lighting unit 6 Close the cover plate properly and then reconnect the power supply Figure 14 Lamp unit with lamp and mounting screw Please ensure that no damage is caused to the structural components on the circuit board when the cover is open No dirt may penetrate into the device ASTECH 2006 Page 28 VLM 200 User manual Programming 9 Programming For programming the VLM 200 programming interface serial interface 1 RS232 should be connected to the serial interface of a PC via an interface cable Install the VLMTERM terminal program for Windows 95 98 and NT from the disk included in the scope of delivery On the disk you will also find a simple terminal program for MSDOS xterm exe If the VLM 200 is connected to COM 2 enter Xterm exe 2 The program operates with 9600 baud no parity and XON XOFF protocol 9600 8N1 XON XOFF If the setting of the serial interface corresponds to that of the terminal program the VLM 200 responds with the following display after switching on VLM 200 V C by ASTECH Rostock 20 ROM DATE S N gt If data transfer is switched on at serial interface refer to S On command this display will be suppressed The connection ha
101. used see figure 18 The temporal length of a cycle is represented in figure 18 as a section and corresponds to the averaging time The incoming individual values are asynchronously added the result is synchronously read out once per Average This allows an updating rate for the outputs 8 times higher than that of the VLM 200 standard The internal calculation of the length is not possible averaged value S1 read sum and R ir S2 S8 set it to zero S7 a N gt adding V current LE value an A N S3 S5 step 1 x per average Figure 18 Simplified functional principle of the averaging processor with 8 cycles sums S1 to S8 The averaging time set by Average command is selected as high as the desired update time for the quickest output channel used Normal values for Average are 4 to 20 ms If only the pulse output or the analog output is switched on Average 2 2 ms is permissible If pulse output as well as analog output are switched on Average 2 5 ms must be selected If the serial output S1 or S2 is switched on Average should be set to 20 ms depending on the string length When using the EEC control Average should be set to 5 ms ASTECH 2006 Page 49 VLM 200 User manual Programming AN In order to minimise the load of micro processor unnecessary output channel should be switched off Via the WINDOW I command the gliding average can be switched off WINDOW 4 reduces
102. ut By inputting a single asterisk the password protection is deactivated The input can be aborted by Enter before inputting the first character Three failed attempts to input a password will result in the message Illegal use 60 seconds must then elapse before the next command is accepted No distinction is made between large and small case letters when inputting the password The password WEGA is pre set Syntax Password 9 10 2 The Restart command This command releases a cold start The device carries out the initialising in the same way as it does after switching on The parameters are reset to the values last saved by the Store command The command must be written out Syntax Restart 9 10 3 The Restore command This command releases a warm start This causes the device to be reset to the parameters last saved by the Store command Syntax Restore 9 10 4 The Simulation command The command serves to simulate velocity and measuring rate to the outputs of the measuring devices in the case of synchronous output as of firmware V6 5 It interrupts the measurement The nl parameter must be specified for the velocity The second parameter for the measuring rate n2 is optional Syntax Simulation nl n2 nl 0 100 000 velocity in m s n2 0 99 measuring rate The following outputs are supported during the simulation pulse output analog output output to interface S2 incl IFPROFI

User Manual Anwenderhandbuch engl. VLM 200

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