Polytec PSV 300 Hardware Manual Download Page 44

Page: 44 / 105

















































































The amplitude error caused by the filter can be determined from

The amplitude error caused by the filter can be determined from fi

The phase frequency response of the filter is shown in

The phase frequency response of the filter is shown in fi

Figure 4.5: Amplitude error of a 3rd order Bessel low pass filter in the pass band

Figure 4.6: Phase frequency response of a 3rd order Bessel low pass filter in the pass band











































































































































  





Summary of Contents for PSV 300

Page 1: ...Title Title Polytec Scanning Vibrometer Polytec Scanning Vibrometer PSV 300 PSV 300 C Co on nt tr ro ol ll le er r O OF FV V 3 30 00 01 1S S S Sc ca an nn ni in ng g H He ea ad d O OF FV V 0 05 56 6...

Page 2: ...the equipment always use the original packaging Otherwise we reserve the right to To return the equipment always use the original packaging Otherwise we reserve the right to check the equipment for tr...

Page 3: ...embly Mechanical Assembly 3 17 3 17 3 4 2 3 4 2 Cabling Cabling 3 22 3 22 3 5 3 5 Functional T Functional Test est 3 28 3 28 4 1 4 1 St Start up art up 4 1 4 1 4 2 4 2 Selecting Su Selecting Suitable...

Page 4: ...roller OFV 3001S Controller OFV 3001S 7 7 1 1 7 1 1 7 1 1 General Data General Data 7 7 1 1 7 1 2 7 1 2 Low Low Pass Filter Pass Filter 7 7 1 1 7 1 3 7 1 3 Signal Voltage Output VELOCITY OUTPUT Signal...

Page 5: ...ument is not in use although switched on in use although switched on The The on the scanning head indicates the activity of the on the scanning head indicates the activity of the laser and thus potent...

Page 6: ...ffixed in the language of the customer s country Their position on the scanning head is shown in position on the scanning head is shown in fi figu gure re 1 1 2 2 Figure 1 1 Laser warning labels for t...

Page 7: ...affixed only within the USA Their position on the scanning head is shown in scanning head is shown in fi figu gure re 1 1 4 4 Figure 1 3 Laser warning labels for the PSV in non EC countries Figure 1...

Page 8: ...as a wide The mains voltage input of the workstation can also be designed as a wide range input like the junction box and therefore be connected to all mains range input like the junction box and ther...

Page 9: ...e is the is the central connection point between the system central connection point between the system components and provides the interfaces for components and provides the interfaces for peripheral...

Page 10: ...4 H 4 HF F P PL LL L D DC C OVD 04 PLL DC OVD 04 PLL DC 1 1 Me Measu asurem rement ent ran ranges ges 1 1 5 5 10 10 25 25 125 125 1000 1000 1 5 10 25 125 1 5 10 25 125 1000 1000 1 5 1 5 1 1 10 25 125...

Page 11: ...of the acquisition cable with great firmly Plug in the SCSI type connectors of the acquisition cable with great care at the right angles Only use care at the right angles Only use original RS 232 cabl...

Page 12: ...ernal function generator internal function generator PSV 300 U hand set PSV Z 051 PSV 300 U hand set PSV Z 051 coaxial unit OFV 056 C coaxial unit OFV 056 C acoustic gate unit PSV Z EQ with BNC cable...

Page 13: ...case of danger and is used to turn it off in the case of danger with background lighting with background lighting This display shows the settings of the controller The organization of the This displa...

Page 14: ...etting of the optional displacement decoder This input is only active if a displacement decoder is installed decoder This input is only active if a displacement decoder is installed Analog voltage out...

Page 15: ...rtional to the The DC voltage at this output is proportional to the logarithm of the optical logarithm of the optical signal level signal level Figure 3 2 Rear view of the controller Figure 3 2 Rear v...

Page 16: ...anning head is shown in fi figu gure re 3 3 3 3 Connector Connector for the hand set PSV Z 051 for the hand set PSV Z 051 12 p 12 pin in circ circular connect ular connector or The hand set is used fo...

Page 17: ...t of light scattered back a measure of the amount of light scattered back from the measurement surface from the measurement surface L LED ED The L The LED ED lights up when the scanning head is correc...

Page 18: ...nti clockw anti clockwise ise refer to refer to sec sectio tion n 5 4 5 4 Alternatively it can be controlled Alternatively it can be controlled via the software as described in via the software as des...

Page 19: ...programmable via the optional TTL output for special applications programmable via the optional Visual Visual Basic Engine PSV Z 082 Basic Engine PSV Z 082 The front panel of the junction box for the...

Page 20: ...tion is installed installed Analog input Analog input for the for the velocity signal BNC jack velocity signal BNC jack Analog input for the Analog input for the velocity signal from the controller ve...

Page 21: ...to the workstation to transmit both Jack for the acquisition cable to the workstation to transmit both measurement and control signals measurement and control signals Optional connectors Optional con...

Page 22: ...tation key key Using this key the control processor of the workstation can be reset and Using this key the control processor of the workstation can be reset and the workstation can be restarted The se...

Page 23: ...ifferent from the picture be different from the picture Mains socket with a mains switch and mains voltage selector Instead of Mains socket with a mains switch and mains voltage selector Instead of us...

Page 24: ...smit the video signal Jack for the video cable to the junction box to transmit the video signal connector 15 pin Sub D jack connector 15 pin Sub D jack connector for the connector for the internal fun...

Page 25: ...sition O and is used to turn it off in case of danger case of danger connector 6 pin circular jack connector 6 pin circular jack connector 6 pin circular jack connector 6 pin circular jack connector c...

Page 26: ...the acquisition cable to Jack for the acquisition cable to the junction box to the junction box to transmit both transmit both measurement and control signals measurement and control signals The PSV m...

Page 27: ...1 3 11 1 Before attempting to mount the scanning head all locking mechanisms of the Before attempting to mount the scanning head all locking mechanisms of the trolley and the tripod particularly scre...

Page 28: ...Keep the assem e assembly ins bly instruc truction tions for the tr s for the tripod and t ipod and the flui he fluid stag d stage in a safe e in a safe place place If your PSV is equipped with a pan...

Page 29: ...ount the adapt e adapter pla er plate on t te on the top of he top of the tr the tripod us ipod using th ing the 3 Alle e 3 Allen n screws M6x16 as also shown in screws M6x16 as also shown in fig figu...

Page 30: ...tilt stage in a safe ilt stage in a safe place place For cabling the pan tilt stage refer to For cabling the pan tilt stage refer to sec sectio tion n 3 4 3 4 2 2 Make sure that the pan tilt stage is...

Page 31: ...e the cont controlle roller r 4 4 Are t Are the air ve he air vents of nts of your j your junct unction bo ion box in the t x in the top pla op plate te If not If not pleas please e exchange the top...

Page 32: ...f appl If applicabl icable conn e connect the opt ect the optional ha ional hand set OFV nd set OFV 310 to the ci 310 to the circula rcular jack r jack REMOTE FOCUS on the back of the controller REMOT...

Page 33: ...Figure 3 16 Cabling of the controller s back panel Figure 3 16 Cabling of the controller s back panel...

Page 34: ...cable box for the model H and at the BNC jack OUT3 of the generator cable If required the signal of the If required the signal of the internal function generato internal function generator is r is av...

Page 35: ...junction box and into the ACQUISITION BOARD on the back of the junction box and into the SCSI type connector ACQUISITION on the back of the workstation SCSI type connector ACQUISITION on the back of...

Page 36: ...the junction box Model F has one 68 pin SCSI type connector Figure 3 18 Cabling of the back panel of the junction box Model F has one 68 pin SCSI type connector instead of the two VHDIC type connector...

Page 37: ...iding protective grounding providing protective grounding 25 25 Plug a mains cable into the back of the contro Plug a mains cable into the back of the controller and into a wall socket ller and into a...

Page 38: ...vided in se secti ction on 1 1 1 1 7 7 Open t Open the dus he dust cov t cover and th er and the beam s e beam shutt hutter of th er of the scan e scanning hea ning head d 8 8 T Test the est the funct...

Page 39: ...e measured head up at an optimal stand off distance to the object to be measured You will find information about optimal stand off distances in You will find information about optimal stand off distan...

Page 40: ...to 1 y processed up to 1MHz by the softw MHz by the software are If either the positive or negative end of the measurement range is reached the If either the positive or negative end of the measuremen...

Page 41: ...y the amplitude error is 3dB approx 3dB approx 30 30 The phase shift increases with the frequency as The phase shift increases with the frequency as shown in shown in fi figu gure re 4 4 3 3 Up to Up...

Page 42: ...r is shown in The phase frequency response of the filter is shown in fi figu gure re 4 4 3 3 Figure 4 2 Amplitude error of an 8th order Butterworth low pass filter Figure 4 2 Amplitude error of an 8th...

Page 43: ...oportion to The phase shift increases in proportion to the frequency from Zero degree a the frequency from Zero degree at t the frequency Zero the frequency Zero to approximately to approximately 100...

Page 44: ...e frequency response of the filter is shown in fi figu gure re 4 4 6 6 Figure 4 5 Amplitude error of a 3rd order Bessel low pass filter in the pass band Figure 4 5 Amplitude error of a 3rd order Besse...

Page 45: ...o case or be estimated based on the range diagram in in fi figu gure re 4 4 7 7 The range The range diagram shows the dynamic limits for both settings of diagram shows the dynamic limits for both sett...

Page 46: ...upper trace in The upper trace in fi figu gure re 4 4 8 8 shows the sinusoidal velocity signal with the shows the sinusoidal velocity signal with the tracking filter in position OFF The lower trace sh...

Page 47: ...if the optical maximum of visibility is present if the optical path difference is an even path difference is an even numbered multiple of the length of the laser cavity 203 numbered multiple of the le...

Page 48: ......

Page 49: ...This can be used to block the laser beam without switching off the laser thus keeping the system block the laser beam without switching off the laser thus keeping the system in thermal equilibrium in...

Page 50: ...lted upward and downward by 84 84 using the control keys using the control keys and and Please pay also attention to the information on optimal stand off distances for Please pay also attention to the...

Page 51: ...the adjustment range the motor stops pressed briefly At the end of the adjustment range the motor stops automatically and the respective L automatically and the respective LED ED FAR or NEAR lights up...

Page 52: ...o focus the laser beam you can also use the optional hand set OFV 310 instead of the hand set PSV Z 051 refer to instead of the hand set PSV Z 051 refer to sec sectio tion n A 3 A 3 The signal level d...

Page 53: ...he kin he kind of mov d of movemen ement t You move the laser beam on already defined scan points using the arrow You move the laser beam on already defined scan points using the arrow keys The order...

Page 54: ...g head laser beam is positioned so that it is emitted from the scanning head perpendicular to the front panel position 0 0 is perpendicular to the front panel position 0 0 is indicated in the software...

Page 55: ...ect the t the Point Mode as described in Point Mode as described in your software manual your software manual To define scan points select the FREE mode using the MODE key on the To define scan points...

Page 56: ...the G on the front of the controller front of the controller do not have a function do not have a function You will find information on setting the measurement range and the filters in You will find...

Page 57: ...on the display using the keys the display using the keys and and Once the end of the display page is reached it changes to the Once the end of the display page is reached it changes to the next next...

Page 58: ...s for settings for a a measurement in stand alone operation are made i e the measurement in stand alone operation are made i e the measurement ranges and the filters are measurement ranges and the fil...

Page 59: ...LL DC with 3 ith 3 measurement measurement ranges and the velocity decoder OVD 04 with 4 ranges and the velocity decoder OVD 04 with 4 measurement ranges are measurement ranges are installed installed...

Page 60: ...possible In this line you can set the cutoff frequency of the low pass filter The possible settings depend on the PSV model In position OFF the upper frequency limit settings depend on the PSV model...

Page 61: ...please use the original packaging If the PSV has to be sent back for repair please use the original packaging and enclose an and enclose an exact description of the fault exact description of the faul...

Page 62: ...ning head open ad open swit switch bar i ch bar in n horizontal posi horizontal position tion 4 4 Is th Is the bea e beam shu m shutter o tter on the n the back o back of sca f scannin nning head g h...

Page 63: ...f a fu al of a functi nction gene on generator t rator to this B o this BNC jac NC jack k 5 5 Disp Display the ti lay the time sign me signal in an analy al in an analyzer as des zer as describ cribed...

Page 64: ......

Page 65: ...C 65 C 14 F 149 F 65 C 14 F 149 F R Re el la at ti iv ve e h hu um mi id di it ty y m ma ax x 8 80 0 n no on n c co on nd de en ns si in ng g D Di im me en ns si io on ns s 4 45 50 0m mm m 355mm 355m...

Page 66: ...50 0 1 16 60 00 0 1 16 60 00 0 2 25 5 5 50 00 0 0 0 8 8 5 50 0 5 50 0 8 80 00 00 0 8 80 00 00 0 O OV VD D 0 04 4 1 10 0 2 20 00 0 0 0 5 5 2 20 00 0 2 20 00 0 1 12 20 00 00 0 1 12 20 00 00 0 2 25 5 5...

Page 67: ...1 1 1 The measurement ranges of this decoder can be used from the frequency 0Hz full DC capability The measurement ranges of this decoder can be used from the frequency 0Hz full DC capability 1 1 0 0...

Page 68: ...male Sub D cable to the workstation 1 1 wired 1 1 wired I IE EE EE E 4 48 88 8 G GP PI IB B a ac cc co or rd di in ng g t to o I IE EE EE E 4 48 88 8 1 1 R RE EM MO OT TE E F FO OC CU US S s sp pe ec...

Page 69: ...op p b bi it t n no o p pa ar ri it ty y b bi it t C Ca ab bl le e 9 9 p pi in n f fe em ma al le e S Su ub b D D c ca ab bl le e 1 1 1 1 w wi ir re ed d P Pi in ns s p pi in n 2 2 r re ec ce ei iv v...

Page 70: ...pe ed da an nc ce e 5 50 0 S Sh ho or rt c t cir irc cu uit it p pro rote tect cti io on n p pe er rm ma an ne en nt tly ly sh sho or rt c t cir ircu cuit it p pro roo of f L Lo oa ad d r re es si is...

Page 71: ...een through the top A label shows the front lens model which is fitted The label can be seen through the top left air vents of the scanning head refer to left air vents of the scanning head refer to f...

Page 72: ...r c co ol lo or r C CC CD D 1 1 4 4 7 75 52 2x x5 58 82 2 p pi ix xe el ls s S Si ig gn na al l t to o n no oi is se e r ra at ti io o 5 50 0d dB B Z Zo oo om m 7 72 2x x 4 4x x d di ig gi it ta al l...

Page 73: ...Figure 7 2 Views of the scanning head OFV 056 Figure 7 2 Views of the scanning head OFV 056...

Page 74: ...er r H Ho ou us si in ng g i in nd du us st tr ri ia al l P PC C h ho ou us si in ng g M Ma ai in ns s v vo ol lt ta ag ge e w wo or rk ks st ta at ti io on n w wi it th h v vo ol lt ta ag ge e s se e...

Page 75: ...on n c co on nd de en ns si in ng g Ma Maxi ximu mum a m ang ngle o le of ro f rota tati tion on pa pan h n hor oriz izon onta tal l 90 90 tilt tilt vertica vertical l 84 limited by limit switch 84 li...

Page 76: ......

Page 77: ...educes the intensity of the laser reduces the intensity of the laser light by 97 light by 97 for for highly reflective surfaces highly reflective surfaces reduces the intensity of the laser light by 9...

Page 78: ...d fi ired first sc rst screw th rew the close e close up lens up lenses or the bl es or the block fi ock filter to t lter to the came he camera ra aperture aperture 3 3 Fix th Fix the clos e close up...

Page 79: ...Figure A 2 Views of the scanning head with close up unit mounted Figure A 2 Views of the scanning head with close up unit mounted...

Page 80: ...can field values are suitable for orientation Stronger zoom is The nominal scan field values are suitable for orientation Stronger zoom is achieved by interpolation which might reduce the quality of a...

Page 81: ...he fiber optic positioning thumbscrew and tighten the fiber optic positioning thumbscrew For more information about the light source please refer to the user manual For more information about the ligh...

Page 82: ...ang up the scan he scanning he ning head wit ad with the ada h the adapter pl pter plate abo ate above at th ve at the teles e telescope cope drive refer to drive refer to fi figu gure re A A 5 5 pict...

Page 83: ...ssed briefly Figure A 6 Connections on the drive control Figure A 6 Connections on the drive control M Ma ai in ns s v vo ol lt ta ag ge e 2 23 30 0V V 5 50 0H Hz z 1 115V 15V 50 50 60Hz 60Hz P Po ow...

Page 84: ...At the end of the adjustment range the motor stops pressed briefly At the end of the adjustment range the motor stops automaticall automatically and y and the respective directional symbol the respect...

Page 85: ...bjected to a small small frequency shift which is called Doppler shift f frequency shift which is called Doppler shift fD D and is a function of the velocity and is a function of the velocity componen...

Page 86: ...directional coupler together with the 4 p 4 plate late and defl and deflects the o ects the objec bject beam to t beam to the beam splitter BS the beam splitter BS3 As both arms of the 3 As both arms...

Page 87: ...the radio frequency of the input signal In the velocity decoder an AC voltage is generated which is proportional to the velocity decoder an AC voltage is generated which is proportional to the instant...

Page 88: ...eason at the input section of the controller a noise is recorded For this reason at the input section of the controller a switchable filter is installed which limits the noise bandwidth depending on t...

Page 89: ...nchronizes the oscillator is generated in the phase in the phase detector which monitors the phase difference between the input detector which monitors the phase difference between the input signal an...

Page 90: ...al l applications with sufficient amplitude resolution Characteristic is applications with sufficient amplitude resolution Characteristic is the excellent the excellent amplitude and phase frequency r...

Page 91: ...y The signal generated by the The signal generated by the FM demodulator always contains spurious RF FM demodulator always contains spurious RF components and its noise bandwidth corresponds with the...

Page 92: ......

Page 93: ...Figure D 1 PSV 300 declaration of conformity Figure D 1 PSV 300 declaration of conformity...

Page 94: ......

Page 95: ...orkstation 3 13 3 13 block diagram block diagram controller controller C 1 C 1 tracking filter circuit tracking filter circuit C 3 C 3 block filter for the close up unit block filter for the close up...

Page 96: ...nel model F model F U U 3 15 3 15 workstation back panel model H workstation back panel model H 3 13 3 13 workstation front panel workstation front panel 3 12 3 12 control keys for the pan tilt stage...

Page 97: ...electrical installation installation 3 22 3 22 safety safety 1 4 1 4 emission indicator on the scanning head emission indicator on the scanning head 5 1 5 1 EMISSION shutter on the scanning head EMISS...

Page 98: ...ing inspection when unpacking 3 2 3 2 installation installation electrical electrical 3 22 3 22 mechanical mechanical 3 17 3 17 other components other components 3 1 3 1 instrument address instrument...

Page 99: ...box specification junction box specification general data general data 7 5 7 5 interface AUX IN interface AUX IN 7 6 7 6 interface AUX OUT interface AUX OUT 7 6 7 6 interface GATE IN interface GATE IN...

Page 100: ...the controller menu in the controller CONFIG CONFIG 5 11 5 11 FOCUS FOCUS 5 12 5 12 INTRO INTRO 5 11 5 11 SETTINGS SETTINGS 5 12 5 12 micro scan lenses micro scan lenses assembly assembly A 4 A 4 fibe...

Page 101: ...nector on the workstation model on the workstation model F F U U 3 16 3 16 on the workstation model H on the workstation model H 3 14 3 14 processor workstation processor workstation 7 10 7 10 protect...

Page 102: ...1 4 1 short circuit protection interfaces junction box short circuit protection interfaces junction box 7 6 7 6 SIGNAL SIGNAL display on the scanning head display on the scanning head 3 7 3 7 jack on...

Page 103: ...U U 3 10 3 10 jack on the junction box model H jack on the junction box model H 3 9 3 9 velocity decoder velocity decoder amplitude frequency response amplitude frequency response 7 3 7 3 calibration...

Page 104: ...ector PRINTER connector PRINTER 3 16 3 16 control elements back panel control elements back panel 3 15 3 15 interface COM 1 interface COM 1 3 15 3 15 interface COM 2 interface COM 2 3 16 3 16 mains co...

Page 105: ...pi fr info polytec pi fr http www polytec pi fr http www polytec pi fr Lambda Photometrics Ltd Lambda Photometrics Ltd Lambda House Batford Mill Lambda House Batford Mill GB Harpenden GB Harpenden He...

Search results

Summary of Contents for PSV 300

Reviews:

Related manuals for PSV 300

Brands by name

Popular brands

Polytec PSV 300, Hardware Manual

Search results

Summary of Contents for PSV 300

Reviews:

Related manuals for PSV 300

Brands by name

Popular brands