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Rion VA-12 User Manual

1. ee 36 42 57 Bron 15 34 45 61 121 selecump the language 17 Sensor SEUNG 36 47 63 SEU COMMMIANIO S 136 SCP INNS NETTE T 114 setting the current Cale TING i onccacvscusndetsuchinasunchuaenotdstibuieietiatoatenes 16 109 00 9897 18 Su il 89 90 SAU S PODER TET 98 SUAS eH SD eenean manana dass 119 store QU POS 32 42 57 79 TITIO TENE OUI NI 65 storing measurement didus csse sex k oie Peetuxu dotada 38 52 73 BY UDO rc k 119 Index 163 Index 164 alc 89 31 92 101 39 TET POT FUNCHOMN 88 velocity rms value THOICHUOE 33 vibration meter mode 29 13 75 Te 55 75 MANE TIC 130 Window 55 WU 43 58 A
2. 5 NENNEN 12 to 7 W 1 4 to 10 1 to 4 1 to 4 1 to 4 OFF ON to 9999 1 to 1000 1 to 1000 1 gt 1 min 5 min 10 min 30 min 4to5 60 min YYYY MM DD hh mm ss m m 127 Data File Structure Data section vibration meter data store file In the case of a vibration meter data store file the data section has the fol lowing content Content _XXXX Y _ZZZZZZZ xxxxy is calculated value dB Padded with spaces to 6 digits 7777777 15 calculated value LIN Padded with spaces to 7 digits Data section waveform data store file In the case of a waveform data store file the entire waveform data for one interval section are listed using 1 line per data Data 1 O 6 xxx is digit or more is 15 digits 17 or more An example is shown below 10 711996826044950 6 256294442550100 2 197332682261650 1 342814416939400 4 69985045928 7900 6 469924008903950 128 Data File Structure Data section FFT data store file In the case of an FFT data store file the data section has the following con tent item Header string Block label Daal 6 Title INST LIN EXP MAX uw 0 Frequency STENTS m xxxxxx 15 calculated value dB a 0 00000 Padded with spaces
3. Only if there are data Time from previous time Repeat FFT mode linear averaging maximum hold 1 Make the required measurement parameter settings During trigger operation measurement parameters such as input range frequency span and number of analysis lines cannot be changed Set these parameters before pressing the START STOP key 2 Press the START STOP key The START message appears 3 The unit goes into the trigger standby condition and the symbol flashes in the left side of the display To pause trigger operation press the PAUSE CONT key While trigger operation is paused any trigger occurrence will be disregarded To resume trigger operation press the PAUSE CONT key once more 4 Whenever the trigger condition is met the display is updated The current averaging count shown in the left side of the display is in cremented by one The display indication then 15 held until the next averaging processing is completed 96 Trigger Functions 5 When the current averaging count reaches the average number set on the FFT menu screen the STOP message appears and trigger Operation 15 terminated At this point the linear averaged data or maximum hold data are displayed If the START STOP key is pressed before averag ing processing 15 completed the trigger operation is terminated The VA 12 shows the averaged data calculated up to that point If there was no trig
4. 31 40 54 E 110 INPUT CO NC CON 8 TOO NE TRO T 30 40 54 64 instantaneous 69 71 Tree 6 34 45 61 NOVEL IUIGDOEL E E E E E TEE E 90 averar aaa 69 72 HEO e T PN 62 NOW pass RD UPS 3 41 54 maximum 69 72 measurement data 30 41 56 MUS UNTER TTTc 20 number OF analysis LINCS ova mM E gud 4 55 TUS 56 65 69 OP TION aree a E 8 E 57 58 79 O 58 107 OV CHO AG Inde AON 32 Supply iad Erandid EEN 116 E E E E E E E E A 91 IC 19 E 64 printing stored data 85 POROUS CLV CAC OV Ol 19 13 A ZIP 76 E 77 79 OD AU sum 88 90 SPC AU DEEP BOT pe UM aD URNA NUM EDU MEER UE 94 109 scale FEET SCA S cer cnet E M nd M 60 66 vibration TUO
5. 19 Mena Operatii ua cose 20 Us ein brsbisdemusduontedui 20 Mow TOW 21 Menu 22 STS PU OMG ea 26 Available analysis 26 Switching between analysis 27 Measurement in Vibration Meter 29 ACHING the CIS DIOS SUPE enu 30 Changing measurement parameters and display parameters 35 Perlormine Te AS Ure HO nest 37 Storme measurement 38 Measurement in Time Waveform Mode 39 INC ACHING TG CIS DIA MP P 40 Changing measurement parameters 46 ZOOMING MOVING the passa 49 TCA SUT 51 Storing measurement CAG A raters 22 Measurement 1n FET Mode entum uada oR opta 53 She esp E dune 54 Changing measurement parameters and display parameters 63 Zooming moving the display esee 67 Perlorming 69 Storing measurement t dus aceno ep aren 73 Recording Waveform Data 75 Making waveform recording
6. emaining battery ee ee capacity 4 Replace batteries Display ini backlight does not light Remaining battery 8 5 capacity 5 Unit is powered from external A Permanently on when SD card E Black SD card Title bar 15 inserted Flashing when card is being checked dd p Key lock Operation keys are locked Two Bottom left ofgraph 9 8 Scalingizoom mode Two Bottom left i ofgraph Scalingimove mode Magnifying glass Status bar Display sealing mode 1 ispl f i Blue Overlay Status bar Overlay display of data is enabled WAVE file Recall list Folder contains WAVE files f ing functi REC Yellow Waveform recording Status bar ave is enabled Waveform recording Top section Waveform recording function Yellow in progress of graph 1 enabled and in progress a a 119 Status Displa LED Indicator 120 Lighting patterns for status indication Status Pattern Red Yellow Startup Green Light Blue gt Lit Blue Purple Single trigger standby R Yellow Sequence of 2 flashes standby Time trigger Yellow Sequence of 2 flashes at standby longer intervals Shutdown Blue Off Green gt processing Off Red Off Yellow Sequence of 2 flashes STORE key pressed trigger operation mode other than Time SE Key trigger Yellow 2 flashes operation mode 15 Time Time trigger activ
7. 19 Recording waveform data 75 Re analyzing waveform 76 FORE AIA T Procedure for recalling stored T Rcading the recall smirena 79 Chanoine he display 80 EEG 81 Saving Screen as BMP 82 Saving the measurement screen recall screen 82 83 M 84 Pistas The measurement Screen 84 Pine the recall SCLC ossa 84 Printing stored data continuously eese 85 Advanced Operation 87 OCP e 88 Trigger operation 88 Making 90 Performing measurement with repeat trigger 94 Performing measurement with single trigger 98 Performing measurement with time trigger 101 xli B cup MP 107 Activating the overlay 107 Canceling the overlay display tasa 108 Reactivating the overlay 15 108 Scelap Filkes and PAW AA 109 ICSC TU HC TOU 109 Loading a setup file at startup esee 109 DUE ODE r
8. 101 Trigger Functions 102 Vibration meter mode The operation principle when using vibration meter mode is illustrated below S Preset store count Trigger start time Store action S No store tore tore tore action STORE key p ma action2 3 T Time Store Store Store Standby interval interval interval Screen display Update ee Time Vibration meter mode 1 Make the required measurement parameter settings During trigger operation the input range setting cannot be changed 2 Press the STORE key The Waiting for Time Trigger popup indication appears the ll symbol is flashing and the LED indicator 15 flashing in yellow The trigger operation cannot be paused 3 When the trigger start time is reached the popup indication STORE XXXX where XX XX is the store address appears storing 15 car ried out and the LED indicator flashes in red When storing 15 complete the store address is incremented by If the store address was 1000 the trigger operation is terminated when storing 15 complete 4 Subsequently data are stored at the preset store intervals The indica tor function and popup indication are the same as in step 3 5 When
9. 2 To simply turn overlay off select the Off setting To completely cancel the overlay data select the Clear setting Pressing the STORE key at the recall screen has the same effect as selecting the Clear setting Reactivating the overlay display If overlay display was simply set to Off in step 2 the display can be tivated as follows 1 At the Display menu screen select the Overlapping item 2 Select the On setting 108 Setup Files and Initialization Resume function When power to the VA 12 is turned on the measurement screen appears The settings active at this point are the same as were selected before the unit was last turned off resume function For details on settings covered by the resume function see the Setting items section on page 114 The store address indication and measurement data of FFT mode are not included in the resume function When power to the VA 12 is turned on while an SD card is inserted in the unit and if one or more setup files are present on the card the setup file load function see below will take precedence over the resume function Loading a setup file at startup When power to the VA 12 is turned on while an SD card is present contain ing one or more setup files special type of file in a specified folder a dialog window asking the user whether to load stored settings appears Selecting Yes at this dialog window will load the se
10. Recording Waveform Data Describes the waveform recording function Recalling Stored Data Describes how to recall data that were saved from the various measurement screens and how to view recalled data Saving the Screen as a BMP File Describes how to save the currently displayed screen as a BMP file Printing Describes how to print data from the measurement screen and recall screen Advanced Operation Trigger Functions Describes the use of trigger signals and the relationship between triggering and various measurements Overlay Display Describes how to use the overlay function in FFT mode Setup Files and Initialization Describes how to use setup files and lists the default settings for various items Power Supply Provides information about powering the unit Using the Backlight Describes how to use the display backlight Status Display Lists the various status indication symbols and other indicators of the unit SD Card Describes how to use an SD card with this unit and explains the folder structure for storing data on the card Data File Structure Describes the structure of data files stored on the SD card setting Commands Describes the setting commands that express various measurement and display parameters of the unit Other Information Specifications Lists the technical specifications of the unit Index Company names and product names mentioned in this
11. 110 Come Scb 110 Setup fle content example 113 S USB I e TT 114 SDNY eem 116 Battery powered operation and external power supply operation 116 Dates oc an nanttwauinee dom E E E E 116 External power supply AC adapter 117 Auto shut off TUTICETOTM 117 Usina the RETO 118 Selecting the backlight 1 118 Selecting the backlight auto off delay 118 Usine The DAC ices raters ccomaian E E 118 NIC 119 DY OL 119 120 DE errr rere Tennent teeter S 121 SD card data 121 Tormatune SD GR eeen gna E EN 121 Da e E A 122 Folder SU CONC 123 Data De 124 25 WAVE TIOS cerca N DU ARP SEEN 130 De MMe COMMA OS 136 Setting CO MMA TORTE 136 Commana List KM 137 Command IOI ted qu muon cm PE qua ER IR UM 139 xiii General Operation 1 The 12 is a portable vibration analyzer with FFT analysis function spe ci
12. Even if the overlap ratio is 0 there will be no dropping of waveform samples during processing except when repeat trigger is used m ON ON 05 0 0 0 0 0 0 0 0 0 0 0 0 0 o o 0 0 0 0 02 II 1 OO CO CO ON c ollo at c oo 93 Trigger Functions Performing measurement with repeat trigger Time waveform mode The operation principle when using time waveform mode is illustrated below 1 frame end __ 1 frame end 1 frame end Trigger Trigger Trigger START STOP START STOP Waveform data Waveformdata Waveform data for 1 frame for 1 frame for 1 frame LII m 3 toe Trigger Trigger Trigger Screen standby standby standby display Update ee Update Clear Update Hold Update Hold Hold Update STORE key enabled D ENS he Time Repeat Time waveform mode 1 Make the required measurement parameter settings During trigger operation measurement parameters such as input range frequency span and number of analysis lines cannot be changed Set these parameters before pressing the START STOP key 2 Press the START STOP key The START message appears 3 The unit goes into the trigger standby condition a
13. MAN 0608 0003 0004 0000 If SD card is inserted the store name is not displayed In that case insert an SD card first see page 15 5 The data of the store address specified in step 1 in the folder speci fied in step 4 are displayed If the specified store address contains no data the data in the near est lower store address that contains data are displayed Data in a higher store address are not displayed Example If store addresses 0001 0002 0003 and 0008 contain data and store address 0006 is specified the data in store address 0003 will be displayed It may take several seconds for the data to appear While the LED indicator is flashing do not turn off power to the unit or remove the SD card 6 To display data in other store addresses use the A v keys see below If the display does not switch to other data refer to the Note on the previous page Store address 0008 1 0003 vkey Ak 0002 1 0001 78 Recalling Stored Data Reading the recall screen This section explains peculiar items of the recall screen Measurement status 5 16 bar graph AMA _ 0 000 zMx3 Hz 50 000 3 000 Hz 48 1 dB 38 3 dB 298 2008 07 10 10 41 214 Trigger start time or processing comple tion time Recall screen in FFT mode Measurement status Shows Recall otore address Shows the address whose
14. Other measurement mode 15 selected indication reappears when returning to FFT mode START STOP key was pressed during averaging processing Overload Overload Overload occurs occurs occurs 1 second 1 second 1 second p 64 Measurement in FFT Mode Selecting the operation type Make the setting with the Operation Type item in the FFT menu e LIN Linear average EXP Exponential average e MAX Maximum hold Instantaneous value cannot be selected from the FFT menu Press the INST AVE key at the FFT mode screen to display the instantaneous value Setting the average number Make the setting for the number of averaging runs with the Average number item in the FFT menu For information on the relation between the operation type and the averaging number see the Performing measurement section on page 69 Specifying the store name To store measurement data it is necessary to first specify a store name Ac cess the Measure menu and select Store Name Measurement data will be stored in a folder of the specified name See the SD Card section Conditions for changing measurement parameters If LIN EXP or MAX is shown as Operation Type measurement parameters cannot be changed during processing and during trigger standby While processing is paused symbol shown at left side of screen measurement parameters cannot be changed During trigger operation
15. store files i Waveform data MAN _0999 RVD Store files 1 Various data store files MAN 1000 RVD J FFT data store files WAVE files i WAV_0001 WAV 4 digits of store address are used as file name WAVE files 1 WAVE files are only stored in FFT mode i WAV_0999 WAV I WAV_1000 WAV MAN 1234 Em mm Emm m MEM SCREENSHOT BMP files 12345600 i File name pattern I 12345700 BMP hhmmss00 BMP i hh hours mm minutes EIER a ee BP seconds 123 Data File Structure This section explains the structure of the files used to store measurement data on the SD card The following four types of files are used e Vibration meter data store file This type of file is stored when the VA 12 15 in vibration meter mode e Waveform data store file This type of file is stored when the VA 12 is in time waveform mode e FFT data store file This type of file 15 stored when the VA 12 is in FFT mode e WAVE file This type of file is stored along with the FFT data store file when the VA 12 is in FFT mode and the waveform recording function 15 enabled See the Recording Waveform Data section 124 Data File Structure Data store files This sect
16. symbol shown on left side of display the measurement parameters cannot be changed 37 Measurement in Vibration Meter Mode Storing measurement data You can store measurement data on an SD card inserted 1 the unit When using the time trigger function to store data refer to the Trigger Functions section 1 Verify that the SD card symbol Ei is shown on the title bar If no symbol is shown insert an SD card 2 Check the store address shown at the right end of the title bar e If the address is shown a white background Proceed to step 3 e If the address is shown on a red background This indicates that the store address already contains measurement data If the data can be overwritten proceed to step 3 If you do not want to overwrite the data use the A v keys to select a different store address that is shown on a white back ground 3 Press the STORE key The popup indication STORE XXXX where XX XX 15 the store address appears storing 1s carried out and the LED indicator flashes in red When storing 15 complete the store address is incremented by one If the store address was 1000 the indication returns to 0001 For information on how to view stored data refer to the Recalling Stored Data section For information on the folder structure of stored data refer to the SD Card section 38 Measurement in Time Waveform Mode Before starting a measurement be sure to s
17. 2 Check the store address shown at the right end of the title bar e If the address is shown on a white background Proceed to step 3 e If the address is shown on a red background This indicates that the store address already contains measurement data If the data can be overwritten proceed to step 3 If you do not want to overwrite the data use the A v keys to select a different store address that is shown on a white back ground If the graph zoom symbol is shown at the bottom left of graph press the SCALE EXPAND MOVE key or the SCALE ON OFF key Verify that the symbol 15 nOW or that no symbol is shown and then use the A 7 keys 3 Press the STORE key 4 The popup indication STORE XXXX where XXXX 15 the store address appears storing 1s carried out and the LED indicator flashes in red When storing is complete the store address is incremented by one If the store address was 1000 the indication returns to 0001 For information on how to view stored data refer to the Recalling Stored Data section For information on the folder structure of stored data refer to the SD Card section 74 Recording Waveform Data The VA 12 can record waveform data in files of up to 1 MB per recording operation The recorded waveform information is stored as a RIFF format WAVE file along with the FFT store data on the SD card For information on the data storage location see page 123 Waveform data
18. LOG Operation ator 1 indicator TIMER Bar graph gt 2008 07 10 10 21 34 Analysis function Shows The function can be switched with the VM TIME FFT key Measurement data type Shows ACC Acceleration VEL Velocity or DISP Displace ment This can be switched with the ACC VEL DISP key Input range Shows the currently selected input range The setting can be changed with the RANGE 4 Y keys Available settings depend on the sensor sensitivity and the measurement data type For details see the Specifications section on page 151 30 Measurement in Vibration Meter Mode High pass filter The high pass filter value set from the Analog Input menu screen is shown here The following settings are available 1 Hz 3 Hz 10 Hz 1 kHz Low pass filter The low pass filter value set from the Analog Input menu screen is shown here The following settings are available 1 kHz 5 kHz 20 kHz Bar graph The currently selected measurement data are also shown as a bar graph The displayed data can be switched with the ACC VEL DISP key While the measurement is paused see page 37 and during time trigger operation see page 101 the measurement parameters cannot be changed Operation status indicator e If the time trigger is enabled is shown here The time trigger settings are made from the Measure menu screen For details see t
19. 2 1 4 4 pl x8 x8 pl x160 16 pl x32 32 Time Y axis zoom setting command TIME Expand Y p1 Parameter Content pl 7 to 14 2 49 27 X axis upper limit line position setting command X Upper p1 Parameter Content pl 200 to 8192 X axis lower limit line position setting command X Lower p1 Parameter Content pl 0 to 7992 144 Setting Commands Cursor related operations FFT cursor position line position setting command Cursor_Position_FFT p1 Parameter Content pl 0 to 3200 List cursor position setting command Cursor_Position_LIST 1 Parameter Content pl 20to9 Time cursor position setting command Cursor Position Time p1 Parameter Content pl to 8191 Display VM graph X axis scale setting command Scale VM p1 Parameter Content pl Log Logarithmic scale pl Linear Linear scale FFT graph Y axis scale setting command Scale Unit FFT Y p1 Parameter Content pl Log Logarithmic scale pl Linear Linear scale 145 Setting Commands FFT cursor X axis unit setting command Cursor_Unit_FFT_X p1 Parameter Content pl Hz Hz Hertz pl kcpm Kilo Cycle per Minute pl odr order Reference frequency set FFT cursor Y axis unit setting command Cursor_Unit_FFT_Y p1 Parameter Content pl Log Logarithmic scale pl Linear Linear scale List display setting command List_Display p1
20. FFT LIN MAX Measurement stops at Overlapping second N th time time is disregarded N Preset average number 88 Trigger Functions Single Processing 15 only carried out once at the first trigger occurrence However in FFT mode exponential averaging processing continues from the first trigger occurrence until the START STOP key 15 pressed Trigger Trigger START STOP key Measurement mode Time waveform 4 4 4 FFT EXP N Preset average number Time Beginning from the measurement start time data are stored at preset intervals and for a preset number of times store number mode STORE key Starttime Start time Start time Start time Measurement Data Data Data Data store Store Store Store Vibration meter Time waveform FFT EXP FFT LIN MAX eee Store interval Store interval iStore interval D Store number N Preset average number S Preset store number 89 Trigger Functions Making trigger settings Making settings for repeat trigger and single trigger In vibration meter mode any settings for repeat trig ger and single trigger will be disregarded and the operation is the same as in free trigger mode Making settings 1 From the Measure menu screen select Trigger Mode and set it to Repeat or Single 2 If performing measurement in FFT mode select Wave Record For information on waveform r
21. FFT menu screen appears Window Func Rectangular Operation LIN Average number 0001 Average number 2048 Return MENU Measurement Screen O gt START 2009 07 10 10 15 01 FFT menu screen 22 Menu Operation Calling up a submenu Menu items for which W symbol is shown at right have a submenu screen 1 Use the 7 keys to move the cursor to the menu item for which to display the submenu Read Save Setting in the example eru SYSTEM Backlight Brightness Dark Backlight Suto Oft Cont Read Save Setting Time Setting OFF oystem Proeram Information Language English Lard Size 941 1MB Card Total Eug 9ME 20 Card Format Return Ce MENU Measurement Screen O gt START 2008 07 10 10 16 17 SYSTEM menu screen The cursor will continue to move through the menu items also when the top bottom boundary is reached For example when you press the A key while the cursor is on Backlight Brightness on the SYSTEM menu screen the highlight moves to SD Card Format When you press the V key in this condition the highlight moves back to Backlight Brightness This allows you to quickly bring the cursor to any desired item 2 Press ENT key The System Setting Load Default screen appears 1 2008 07 10 10 14 Return D MENU Measurement Screen G gt START 2008 07 10 10 16 50 System Setting screen 25 Menu O
22. Return MENU The cursor returns to the menu item name and the Measurement Screen C setting value reverts to the previous condition 2008 07 10 10 12 19 System Current Time screen 5 Press the MENU key to return to the SYSTEM menu screen Selecting the language 1 Atthe SYSTEM menu screen select Language and press the ENT key 2 A popup list appears Use the A v keys to select the language and press the ENT key SYSTEM Backlight Brightness Dark Backlight Auta Dff ort Read Save Setting Time Setting Been DFF Syvetem Progran Information v Language Card Size English Card Total 975 9MB 50 Card Format off Return Measurement Screen C START 2008 07 10 10 12 26 SYSTEM menu screen 17 Preparations Using the shoulder belt The supplied shoulder belt can be used to support the unit during a measure Y e 2 Wear the belt around your neck as Bar shown in the illustration ment 1 Attach the belt to the bar on the top section of the unit When making measurements on exposed rotating parts or power train parts of ma chinery do not use the shoulder belt to prevent the possibility of the belt getting caught in the machine Preparations Attaching the sensor to the protective cover When transporting the unit ee Te the sensor can be housed in the cradle on the protective cover of the unit
23. The action of the VM TIME FFT key may differ depending on the operation status of the unit In vibration meter mode and time waveform mode the key is disabled while the measurement is paused and during trigger operation For information on key action in FFT mode see page 62 Measurement in Vibration Meter Mode Before starting a measurement be sure to set the clock of the unit to the correct date time see pages 16 to 17 This section contains the minimum instructions for measurement in vibration meter mode The following items are explained Reading the display Page 30 to 34 e Changing measurement parameters and display parameters eese egeta hu beo PR Rr ebrii tard Page 35 to 36 measurement Page 37 Storing measurement dafa Page 38 For information on other items related to vibration meter mode measurement refer to the following sections e TOn IONS neat Page 88 to 106 Saving the Screen as a BMP 1 Page 82 to 83 s Printing the Screen Page 84 to 85 e Folder structure of stored data Page 123 29 Measurement in Vibration Meter Mode Reading the display Measurement parameter items Analysis function Input range Measurement High pass filter data type T 5l OW pass filter i Measure 940 aod Range 31 6 1Hz ikHz
24. When the trigger condition is met the START message appears and the waveform for one frame is displayed Next the STOP message is shown The display indication 15 held 4 When you press the START STOP key the unit again goes into the trigger standby condition of step 2 If you want trigger operation to stop at this point change the trigger operation setting in the Mea sure menu screen to Free 08 Trigger Functions FFT mode exponential averaging The operation principle when using FFT mode exponential averaging is illustrated below START STOP START STOP Trigger key pressed Trigger key T START STOP i START STOP zi key Presses key Presses Screen T Tri display standby standby EENE E EEEO Da a a Hold Clear Update Hold Clear Update Hold STORE key enabled ay E EE Single FFT mode exponential averaging 1 Make the required measurement parameter settings During trigger operation measurement parameters such as input range frequency span and number of analysis lines cannot be changed Set these parameters before pressing the START STOP key 2 Press the START STOP key The unit goes into the trigger standby condition and the symbol flashes in the left side of the display To pause trigger operation press the PAUSE CONT key While trigger operation is paused any trigger occurrence will be disregarded To resume
25. allows printout of the measurement screen and recall screen Printing the measurement screen 1e Display the measurement screen Press the MENU key Use the A v 4 keys to select Print and press the ENT key The Print popup window appears Use the A v keys to select Print and press the ENT key To save the screen as a BMP file select Save to SD and press the ENT key Printing the recall screen 1 84 Display the recall screen See the Recalling Stored Data sec tion Press the ENT key Use A v 4 keys to select Print and press the ENT key The Print popup window appears Use the A v keys to select Print and press the ENT key To save the screen as a BMP file select Save to SD and press the ENT key Printing Printing stored data continuously For data stored in vibration meter mode and FFT mode it is possible to specify a range from the data list and print the specified range continuously 1 Recall the stored data to be printed See the Recalling Stored Data section 2 Press the ENT key 3 Use the A v 4 gt keys to select Print and press the ENT key 4 The Print popup window appears Use the A v keys to select Type and press the ENT key 5 Use the A v keys to select List and press the ENT key 6 Use the A v keys to select Address and press the ENT key 7 Use the A v keys to select the data range to print and press the
26. e Number of analysis lines is 3200 x1 x2 x4 x16 Number of analysis lines is 1600 x1 x2 x4 Number of analysis lines 15 800 xl x2 x4 Number of analysis lines 15 400 xl x2 e Number of analysis lines is 200 xl X axis unit Shows the unit selected with X Unit in the Display menu e Hz Hertz e kcpm Kilo Cycles per Minute e odr order Reference frequency set For setting procedure see page 66 X axis upper limit Shows the upper limit value of the X axis for the current display range Overall value Shows the total spectrum power excluding DC components Overlay symbol This appears if overlay display see page 107 has been selected Magnifying glass symbol This appears in display scaling mode The SCALE ON OFF key is used to switch the mode on and off For details see pages 67 to 68 Graph zoom symbol or cursor move symbol These appear in display scaling mode see page 67 and show the function of the lt gt 5 keys When the graph zoom symbol is shown the lt Alv keys serve to change the zoom factor When the cursor move symbol is shown the 4 gt keys serve to move the cursor The SCALE EXPAND MOVE key is used to switch between the graph zoom symbol and the cursor move symbol af Measurement in FFT Mode X axis lower limit Shows the lower limit value of the X axis for the current display range Y axis lower limit Shows the lower limit value of the Y
27. lt B gt keys to change UseAlY keys to move cursor 9 1 9 is 210 4 4 4 20 S 239 2008 07 10 10 40 08 Pressing the VM TIME FFT key in graph display mode switches to list dis play The ten highest level values out of the data range covered by the graph display are listed 1n descending order Switching to graph display Use the VM TIME FFT key to switch to graph display However in the following cases the unit will switch to vibration meter mode When INST is shown as operation type and the unit is not in pause mode e During processing standby see page 69 The ENT key can also be used to switch to graph display In that case the cursor on the graph screen will move to the position of the frequency that was selected on the list screen In the screen example shown above pressing the ENT key would move the cursor to the 100 Hz position If the display has been cleared for the trigger standby condition pressing the ENT key has no effect Pressing the VM TIME FFT key will switch to graph display Measurement in FFT Mode Changing measurement parameters and display parameters The measurement parameters and display parameters in FFT mode are as follows S page Analog Input High pass filter Analog Input FLow pass filter Analog Input Measurement datatype ACC VEL DISP Umum Waveform data recording Measure function For in
28. ment envelope 9 FREQ SPAN key Serves to change the frequency span in time waveform mode and FFT mode 10 A 7 lt keys These keys are used for various functions such as selecting menu items moving the cursor changing the display zoom factor etc Controls and Features 11 LIGHT key Serves to control the display backlight Each push of the key toggles between on and off The backlight brightness can be set from the Sys tem menu SCALE ON OFF key In time waveform mode and FFT mode this key serves to switch the 12 display scaling function see page 49 and 67 on off To zoom the display in graph mode press this key to enable scaling and then use the A v lt gt keys 13 SCALE EXPAND MOVE key When display scaling is enabled this key serves to switch between zoom expand shrink mode and move mode 14 POWER key Serves to turn the unit on and off 15 ENT key This key serves to confirm a menu selection and is also used for other functions such as printing from the recall screen Hold down the key for about 1 second 16 LINE key In time waveform mode and FFT mode this key serves to change the number of analysis lines 17 RANGE v keys These keys serve to select the input range for measurement 18 LED indicator Shows operation and status information for the unit using the colors red blue green and yellow as well as blinking 19 INST AVE
29. 4 Scroll bar Display range e 7 7 Overall data 68 Measurement in FFT Mode Performing measurement The operation principles for measurement in FFT mode are explained in this section For information on measurement using the trigger functions see the Trigger Functions section Operation type overview The chart below shows an outline of the various operation types START STOP START STOP START STOP Operation key key key type Instantane ous value 0 LX X X Xn eee Xin Exponential A i i UU Processing stop Iv panes averaging Linear A Processing har tay ty 52 7 N A averaging standby Processing complete Maximum Ivi Lyn Processing vial Cd Lyn tay C A hold standby Processing complete N 1 Yk 1 Xk Exponential Y N k th average value averaging y x Xy k th instantaneous value Linear _ _ N Preset average number Yk k ke 2 vsus N averaging A Processing standby Maximum hold Maximum value of Yk X1 to The meaning of the Average number N in the above diagram set in the FFT menu differs depending on whether exponential averaging or linear averaging or maximum hold is selected 69 Measurement in FFT Mode Frequency resolution 4 f and frame time The fra
30. ENT key 8 Use the A v keys to select Print and press the ENT key To save the data as a BMP file select Save to SD and press the ENT key 85 86 Advanced Operation 87 Trigger Functions The trigger functions of the VA 12 can be used for each analysis mode except for FFT mode instantaneous value Four types of trigger operation modes are available Free Repeat Single Time In vibration meter mode only Free and Time are available Trigger operation modes Free In this mode processing is carried out constantly regardless of the trigger condition START STOP START STOP START STOP Measure ment mode D Vibration meter T M p T Time Wave CONTIN A m iY P NTN ae 2 IP form Tari FFT X X X X INST q 1 peser LIN MAX Processing completed Processing completed Processing completed N 1 Y 4 1 X Exponential Y ane kal Zeus To k th average value averaging y x k th instantaneous value Linear i Ec ON N Preset average number averaging Repeat Processing is carried out every time the trigger condition is met Trigger Trigger Trigger Trigger Trigger Measurement mode Ti ils ply Time waveform 26 1 Yo YN YN FFT EXP A A E 46 YN Y Y 1 Y Y 1
31. InputRange char Padded with _ space 31 6mm be fo fee ia renea Some e roen Low pass filter dwChlLowPassFilter 4 DWORD 0 OFF 10 1 kHz 12 5 kHz 20 20 kHz mom TO a o 133 Data File Structure High pass filter dwCh1HighPassFilter 4 DWORD 0 OFF 11 1 Hz 12 3 Hz 15 10 Hz 50 1 a Wm 0 wm end WW Oo Ww fo Trigger type ass 0 Free 10 Level 20 Time 30 Ext Trigger mode dwTriggerMode 4 DWORD 0 Not used 10 Free 20 Single 30 Repeat 208 dwIriggerChannel DWORD Trigger channel 1 212 TriggerLevel double Trigger level unit is 96 Pretrigger 220 dwPreTrigger DWORD 0 OFF 1 ON Start time YYYYMMDD hhmmssO0 228 StartTime One _ space between D and h Example 2009 6 28 8 30 is expressed as nChlOverloadInfo 20090628 0830000 For trigger the start time is defined as including pretime Overload information ORD 0 No overload 1 Overload occurred at least once during processing z a 5 oT word 0 word 0 DWORD Number of pauses during processing or more wow 0 WORD CCLD information always 1 WORD X ooo o WORD EN T WORD 134 Data File Structure Renee Rend 0 0 oT Undeter Used to delimit header section at 51
32. Parameter Content pl OFF pl Time display setting command Time Display Parameter Content pl Off OFF pl ON 146 Setting Commands Display scaling mode setting command Zoom Mode p1 Parameter Content ple Off OFF pl ON Zoom Move mode setting command Zoom Move 1 Parameter Content pl 2 Zoom Zoom mode pl Move Move mode Overlay display On Off setting command Layer Display p1 Parameter Content pl Off pl On Overlapping pl Clear Delete Memory Store name setting command Store p1 Parameter Content pl 0000 to 9999 MAN 0000 to MAN 9999 Store number setting command Store Number p1 Parameter Content pl 1 to 1000 147 Setting Commands 148 Store interval setting command Store_Interval 1 Parameter Content pl Imin minute pl Smin 5 minutes pl 10min 10 minutes pl 30min 30 minutes pl 60min 60 minutes Timer store start time setting command Store_Start_Time p1 Parameter Content pl 00 00 00 to Y YY Y MM DD_23 59 00 YYYY MM DD_ hh mm ss ss is fixed to 00 Waveform recording On Off setting command Wave Hecording p1 Parameter Content pl pl Other Information 149 Specifications Standard compliance EN61326 1 2006 requirements are met provided that
33. _ to 6 dig etc its EB yyyyyyy is calculated value H LIN Overall value its Padded with spaces to 7 dig Frequencies are given in ascending order 15 5 Number of digits after decimal point differs depending on file range 0 to 5 An example is shown below Data Frequency 0 00000 03125 06250 09375 12500 15625 687E 04 993E 03 97 TE 03 408E 03 919E 03 82E 03 642E 03 988E 04 229E 03 168E 03 18 750 21875 29000 28125 100 02 129 Data File Structure WAVE files This section explains WAVE files File name WAV store address WAV File format RIFF File structure WAVE files employ a format called RIFF which encodes information in multiple chunks that are linked and saved as a file Identifier RIFF 4 bytes A bytes Size n 4 Abytes Form type 4 bytes Sub chunk 4 bytes yes 130 Data File Structure The chunk configuration used by the VA 12 is as follows RIFF chunk This is always located at the beginning of the WAVE file and is called the RIFFHeader This chunk comprises the following five sub chunk types fmt sub chunk Data attributes data format sampling frequency etc Rion sub chunk VA 12 specific information processing parameters etc data sub chunk Waveform data memo sub chunk VA 12 specific info
34. a core filter 15 fitted to every cable Chinese RoHS export model for China only WEEE Directive Input section Input connectors Accelerometer connector x channel BNC Connector for piezoelectric accelerometer standard supplied accelerometer 5 71 Sensor drive CCLD 18 V 2 mA supported CCLD 24 V 4 mA available as factory option PV 57I with integrated preamplifier CCLD type Frequency range 1 Hzto 5 kHz Maximum continuous acceleration mea surement limit 200 m s peak External trigger input connector TRIG IN x ultra mini jack 2 5 mm dia External trigger control using falling edge of TTL level signal OPTION connector For future expansion currently not used Measured vibration quantities Acceleration Signal input from accelerometer Velocity Calculated by integration from accelera tion signal Displacement Calculated by squared integration from acceleration signal Acceleration envelope curve 1 kHz to 20 kHz acceleration envelope curve signal analyzer mode only 150 Specifications Input range At sensitivity 0 100 to 0 999 mV m s Acceleration 10 31 6 100 316 1000 3160 10000 m s rms Velocity 31 6 100 316 1000 3160 10000 31600 mm s rms Displacement 0 89 2 83 8 94 28 3 89 4 283 894 mm EQp p Using PV 571 or at sensitivity 1 00 to 9 99 mV m s Acceleration 1 3 16 10 31 6 100 316 1000 m s rms Velocity 3 16 10 31 6 100 316 1000 3160 mm s rms Displa
35. an adapter other than the NC 99 to prevent the risk of damage Controls and Features Rear Panel Battery compartment Battery compartment Insert eight IEC R6 size AA batteries here 10 Preparations Power supply The unit can be powered from eight IEC R6 size AA batteries alkaline or manganese or the optional AC adapter NC 99 Inserting the batteries 1 Open the cover of the battery compartment as shown in the illustra tion below 2 Insert eight IEC R6 size AA batteries with correct polarity as shown inside the battery compartment Battery compart ment cover IEC R6 size AA battery x Push the latch in the arrow direction and then lift up to open the cover 3 Replace the battery compartment cover Take care not to mix up and polarity when inserting the batteries Replace all eight batteries at the same time and do not mix battery types to prevent the risk of damage When not in use remove the batteries from the unit to prevent the risk of damage by battery fluid leakage etc 11 reparations AC adapter To use the optional AC adapter connect it to the unit as shown below Bottom side of VA 12 MEMORY CARD DC IN 11 15V TRIG IN AC adapter NC 99 N IN connector To AC outlet 90 to 240 V AC Do not use an adapter other than the NC 99 to prevent the risk of dam
36. and usage factors and on the battery brand Approximate figures are given below Battery life at 23 C Alkaline batteries LR6 12 hours Manganese batteries RO6OPU 3 hours With alkaline batteries LR6 keeping the display backlight on will result in a battery life of about 10 hours 116 Power Supply When to replace the batteries During battery powered operation the battery capacity symbol is shown on the status bar as illustrated below The blue section of the symbol becomes gradually smaller as the batteries are used up When the indication starts to flash correct measurement is no longer possible Replace the batteries with a new set a a aa Blue Blue Blue 1 Red Red L 1 L 1 3 i Remaining Remaining dE capacity capaci WA Symbol flashes large low replace batteries s Backlight is disabled While the battery capacity symbol is or the display backlight will not turn on External power supply AC adapter To power the VA 12 from an external source be sure to use the optional AC adapter NC 99 Do not use an adapter other than the NC 99 to prevent the risk of damage While the unit is powered from an external source the AC adapter symbol is shown Auto shut off function When the battery capacity symbol has started to flash in red a message will be displayed and the VA 12 will turn itself off automatically after 30 seco
37. batteries backlight off External DC 12 V 11 to 15 V Power consumption approx 145 mA 23 normal operation backlight off 157 Specifications 158 Mass Dimensions Without protective cover 214 216 with BNC connector H x 105 W x 36 D mm With protective cover 238 x 131 W x 44 D mm Approx 850 g incl batteries with protective cover PV 57I connected Supplied accessories Piezoelectric Accelerometer Curled cable Magnet attachment PV 57I calibration chart IEC R6 size AA battery Instruction Manual SD card Protective cover Shoulder belt Inspection certificate Optional accessories Waveform Analysis Software Various accelerometers AC adapter BNC RCA output cable USB printer Thermosensitive paper USB Mini B B cable USB A Mini B cable PV 57I 51 VP 53S LR6 E 0 E m m mL 00 om m om CAT WAVE PV 90I PV 4 etc NC 99 CC 24 BL 112UI P 112 30 10 rolls CC 97 for printer connection Commercially available for removable disk connection Specifications 105 Front RION VIBRATION ANALYZER VA 12 Ne N PAUSE CONT STORE START STOP MEMORY CARD DC IN 11 15 USB TRIG IN 0 Unit mm Dimensional drawing without protective cover 159 Specifications PAUSE CONT STORE START STOP Q amp LIGHT POWER 44 USB ME
38. cursor The left value is for the X axis and the right value for the Y axis Cursor The cursor can be moved right and left with the lt gt keys Holding down a key will move the cursor faster If the cursor is shown as a broken line it cannot be moved see page 50 Y axis unit The unit indication changes according to the measurement data type e Acceleration m s e Velocity mm s Displacement mm e Envelope No indication Y axis upper limit Shows the upper limit value of the Y axis for the current display range 44 Measurement in Time Waveform Mode Other items SD card inserted symbol TIME Eau 0001 Range Sti SD card remain TE zHu1 678 2009072 10 10 33 44 Current date time Power supply status indicator gt ax Key lock symbol SD card remaining capacity When an SD card 15 inserted the remaining capacity 15 shown here Current date time The current date and time are shown here For information on how to set the date and time see the Preparations section on page 16 to 17 Key lock symbol Pressing the VM TIME FFT key for 2 seconds while holding down the MENU key sets the unit to the key lock condition where all operation keys are disabled and this symbol is shown To cancel the condition repeat the procedure Power supply status indicator During battery powered operation the battery capacity symbol 15 shown here When the unit is powe
39. lines cannot be changed Set these param eters before pressing the STORE key 2 Press the STORE key The Waiting for Time Trigger popup indication appears the ll symbol is flashing and the LED indicator 15 flashing in yellow The trigger operation cannot be paused 3 When the trigger start time 15 reached the popup indication START appears and the data averaged up to this point are stored While storing is carried out the LED indicator flashes in red When storing 15 complete the store address is incremented by If the store address was 1000 the trigger operation is terminated when storing 15 complete The averaged data are reset and a new averaging processing cycle Starts 104 Trigger Functions If the waveform recording function is set to On waveform data will also be stored at this point Dur ing processing the waveform recording in progress indicator is flashing 1 the top section of the graph For details on the waveform recording function see the Recording Waveform Data section 4 Subsequently averaged data are stored at the preset store intervals 5 When the preset store number has been reached the popup indica tion Time trigger measurement is completed is shown and trigger operation 15 terminated Trigger operation can also be terminated at any previous point by pressing the START STOP key FFT mode linear averaging maximum hold The operation prin
40. manual are usually trademarks or registered trademarks of their respective Owners 111 The product described in this manual is in conformity with the following European standards EN61326 1 2006 Note CE requirements are met provided that a core filter is fitted to every cable Core A E04SR130525A SEIWA Core B ZCAT 2035 0930 TDK Core G 0455201010 SEIWA Core D E ZCAT2017 0930 Core ZCAT2436 1330 TDK Equivalent product AC adapter To conform to the EU requirement of the Di rective 2002 96 EC on Waste Electrical and Electronic Equipment the symbol mark on the right is shown on the instrument FOR SAFETY In this manual important safety instructions are specially marked as shown below To prevent the risk of death or injury to persons and severe damage to the unit or peripheral equipment make sure that all instructions are fully understood and observed A WARNING Disregarding instructions printed here incurs the risk of death or severe injury to per sons Caution Disregarding instructions printed here incurs the risk of injury to persons and or dam age to peripheral equipment Disregarding instructions printed here incurs the risk of damage to the product Denotes special information that is helpful in utilizing the capabilities of the unit but that is not directly related to safety yi N WARNING Be careful around rotating machine
41. on the display Scroll bar 7 2 Shows the ra UPS tio of current overall data Display gt range Sw Scroll bar Overall data Screen display X axis zoom factor The X axis display range when the unit 1s in overall data display mode and when the unit is in display scaling mode and the X axis zoom factor has been set to 1 will be different e Overall data display mode no magnifying glass symbol shown on status bar Overall data number of analysis lines x 2 56 are shown e Display scaling mode magnifying glass symbol 35 shown on status bar X axis zoom factor set to 1 Overall data are shown partially depending on number of analysis lines 50 Measurement in Time Waveform Mode Y axis zoom factor In time waveform mode the Y axis zoom factor is not shown The zoom factor can be calculated according to the following equation Y axis zoom factor input range Y axis upper limit The Y axis zoom factor 15 2 n 0 to 14 but because the number of digits in the displayed input range and the Y axis upper limit is small the factor may be a fractional number Performing measurement The screen in time waveform mode shows the fluctuation in the measurement data acceleration velocity displacement or acceleration envelope curve in a graphical format The display is updated constantly The measurem
42. page 50 42 axis zoom factor Measurement in Time Waveform Mode Shows the X axis zoom factor for the currently displayed graph The fol lowing settings are available Number of analysis lines 15 3200 Number of analysis lines is 1600 Number of analysis lines is 800 Number of analysis lines 15 400 Number of analysis lines is 200 X axis unit Shows ms X axis upper limit xl x2 x4 x8 x16 x32 xl x2 x4 x8 x16 xl x2 x4 x8 xl x2 xl x2 Shows the upper limit value of the X axis for the current display range Magnifying glass symbol This appears in display scaling mode The SCALE ON OFF key is used to switch the mode on and off For details see page 49 Graph zoom symbol or cursor move symbol These appear in display scaling mode see page 49 and show the function of the 4 P A v keys When the graph zoom symbol is shown the lt gt AN keys serve to change the zoom factor When the cursor move symbol is shown the lt keys serve to move the cursor The SCALE EXPAND MOVE key is used to switch between the graph zoom symbol and the cursor move symbol lt axis lower limit Shows the lower limit value of the X axis for the current display range Y axis lower limit Shows the lower limit value of the Y axis for the current display range 43 Measurement in Time Waveform Mode Cursor value readout This shows the value at the marker symbol 4 on the
43. parameter settings using the FFT menu Measure menu etc see page 63 Set Operation Type in the FFT menu to EXP Repeatedly press the VM TIME FFT key to bring up the FFT mode screen Press the INST AVE key so that EXP is shown as operation type at the top left of the screen Select the input range frequency span number of analysis lines and other parameters to obtain optimum measurement data see page 63 During processing settings such as input range frequency span and number of analysis lines cannot be changed Press the START STOP key only after having set these parameters Press the START STOP key to begin the measurement The screen display is updated continuously 71 Measurement in FFT Mode Performing linear averaging or maximum hold measurement 1 Make the required measurement parameter and display parameter settings using the FFT menu Measure menu etc see page 63 Set Operation Type in the FFT menu to LIN or MAX 2 Repeatedly press the VM TIME FFT key to bring up the FFT mode screen 3 Press the INST AVE key so that LIN MA X 15 shown as opera tion type at the top left of the screen 4 Select the input range frequency span number of analysis lines and other parameters to obtain optimum measurement data see page 63 During processing settings such as input range frequency span and number of analysis lines cannot be changed Press the START S
44. second after the overload condition has been cleared Vibration meter scale The indication shows LOG if the selected bar graph scale is logarithmic or LIN 1f the scale is linear The setting can be switched using the VM Scale item in the Display menu rms value Measurement in Vibration Meter Mode Measurement value indication Five measurement values are shown simultaneously and are updated every second When momentary overload has occurred the respective measurement value indication is highlighted in red Displacement equivalent p p value indication The equivalent value for displacement rms value x 22 is shown here as a numeric indication Velocity rms value indication The rms value for velocity is shown here as a numeric indication Acceleration crest factor indication The acceleration crest factor peak value rms value 1s shown here as a numeric indication Acceleration peak value indication The acceleration peak value single amplitude maximum value is shown here as a numeric indication Acceleration rms value indication The acceleration rms value square root of arithmetic mean of the square s set of instantaneous values is shown here as a numeric indication 2 o oO 5 Ez gt c 2 gt O O O N Qu A um gt gt OR Z S Sinusoidal waveform General waveform In case of a sinusoidal waveform the peak value is the rms value x J
45. seconds at 100 Hz frequency span Trigger Trigger modes Free run Repeat Single Timer Trigger source External signal input level Trigger level Can be set in steps of 1 8 of full scale on one sided amplitude Trigger slope direction for input signal to cross trigger level Pretrigger function Waveform data sampling starts from a point preceding the current point by 1 8 of frame time Display Display Color TFT LCD 240 x 320 dots Backlight type EL Display content Measurement data Processing result cursor measurement parameters overload history Status information Current date time 24 hour format overload trigger settings waveform recording settings operation com ments etc Status Power supply type AC batteries remaining battery capacity 5 steps SD card information graph zoom waveform recording trigger settings etc 154 Specifications Data display content Vibration meter mode Acceleration velocity displacement acceleration peak value acceleration crest factor Acceleration velocity or displacement bar graph FFT mode Spectrum graph display or list display Graph display X axis Entire spectrum data are represented by 201 display points overall value excluding DC components indicated by bar graph Zoom function allows expansion of dis play according to number of analysis lines as shown in table below Number of analysis lines Zoom factor waveform samples power of two 200 5
46. that are stored are vibration waveform data collected while processing 15 performed Making waveform recording settings To use the waveform recording capability the function must be enabled be forehand in the Measure menu 1 From the Measure menu screen select Wave Record 2 use waveform recording select the ON setting Otherwise select the OFF setting 3 When the FFT mode screen is displayed the waveform recording indication 238 is shown on the status bar However the indication will not appear if the operation type 15 instantaneous value measure ment because waveform recording 15 only enabled while processing 15 carried out Recording waveform data 1 Display the FFT mode measurement screen 2 Store the measurement data see page 73 If the waveform recording function 1s set to ON waveform data will also be stored at this point However this applies only in the following cases e Exponential averaging processing is in progress or paused Linear averaging or maximum hold processing is paused or completed 15 Recording Waveform Data If the operation type is instantaneous value measure ment waveform data are not stored The duration of the recorded waveform data depends on the averaging count As a rough guideline the maximum file size is 1 MB which corresponds to about 10 seconds at a sampling frequency of 51 2 kHz During processing the waveform recording in prog ress indic
47. the preset store number has been reached the popup indica tion Time trigger measurement is completed 15 shown and trigger operation is terminated Trigger operation can also be terminated at any previous point by pressing the START STOP key Trigger Functions Time waveform mode The operation principle when using time waveform mode is illustrated below S Preset store number Trigger start time Store action S No store tore tore tore STORE key pressed i action JP 1 2 action3 _ GEN _ Time Store Store Time set standby interval interval interval display Update Time Time Time waveform mode 1 Make the required measurement parameter settings During trigger operation measurement parameters such as input range frequency span and number of analysis lines cannot be changed Set these param eters before pressing the STORE key 2 Press the STORE key The Waiting for Time Trigger popup indication appears the symbol is flashing and the LED indicator is flashing in yellow The trigger operation cannot be paused 3 When the trigger start time is reached the popup indication STORE XXXX where XX XX is the store address appears and the data up to that point are stored While storing 15 carried out the LED indicator flashes in red When storing is complete
48. the store address is incremented by one If the store address was 1000 the trigger operation is terminated when storing 15 complete 4 Subsequently data are stored at the preset store intervals The indica tor function and popup indication are the same as in step 3 5 When the preset store number has been reached the popup indica tion Time trigger measurement is completed is shown and trigger operation 15 terminated Trigger operation can also be terminated at any previous point by pressing the START STOP key 103 Trigger Functions FFT mode exponential averaging The operation principle when using FFT mode exponential averaging is illustrated below STORE key Time trigger s d pressed start time event event gt event Time Store Store _ S Preset store standby interval interval number Same exponential averaging i Same exponential averaging as with Free trigger ARER as with Free trigger Store action 1 Store action 2 Store action 8 1 Store action 5 com Screen completed completed completed Pletedandtriggerop display Clear eration terminated Se Hold Update Update Time Time FFT mode exponential averaging 1 Make the required measurement parameter settings During trigger operation measurement parameters such as input range frequency span and number of analysis
49. trigger operation press the PAUSE CONT key once more Trigger operation can be terminated by pressing the START STOP key If there was no trigger occurrence no data will be displayed when trigger operation is terminated 3 When the trigger condition is met the START message appears and exponential averaging is carried out This continues until the START STOP key is pressed When the START STOP key is pressed the STOP message appears and trigger operation is terminated The average value display indication at this point is held When the START STOP key is pressed once more the unit again goes into the trigger standby condition of step 2 99 Trigger Functions FFT mode linear averaging maximum hold The operation principle when using FFT mode linear averaging maximum hold is illustrated below Trigger 1 frame end Trigger 1 frame end START STOP START STOP Frame to N pressed Frame to N processing processing p Screen a os A display oo E TT Hold Clear Update Hold Clear Update Hold STORE key enabled ay pc o m Time Single FFT mode linear averaging maximum hold 1 Make the required measurement parameter settings During trigger operation measurement parameters such as input range frequency span and number of analysis lines cannot be changed Set these parameters before press
50. x0 01 x0 001 Sensor selection setting command Sensor Type p1 Parameter pl 57 pl Other Trigger Trigger mode setting command Trigger Mode p1 Parameter pl Free pl Repeat pl Single pl Time Trigger source setting command Trigger Source p1 Parameter pl Level Trigger pl External Trigger Trigger level setting command Trigger Level p1 Parameter pl 7 to 7 142 Content PV 57I Other Content Free Repeat Trigger single Trigger Time Trigger Content Level Trigger External Trigger Content 7 8 to 7 8 Setting Commands Trigger slope setting command Trigger_Slope 1 Parameter Content pl Slope pl Slope Pretrigger setting command Pretrigger p1 Parameter Content pl None OFF pl Pretrigger ON Axis zoom settings FFT X axis zoom setting command FFT Expand X p1 Parameter Content pl xl x 1 2 2 pl 4 4 pl x8 x8 pl x16 x16 FFT Y axis zoom Log setting command FFT Expand Y Log Parameter Content pl 80 80 dB pl 60 60 dB pl 40 40 dB pl 20 20 dB 143 Setting Commands FFT Y axis zoom Lin setting command FFT_Expand_Y_LIN Parameter Content pl 0 to 10 21029 Time axis zoom setting command TIME Expand X p1 Parameter Content pl 1 1 2
51. xs ZooM TC lOl Eno tlm en oum Ue pn I 43 50 58 bos mU nei 44 60 Y axis ZOOM LAC 51 59 zooming moving the display EET mode 67 zooming moving the display time waveform mode 49 54240 09 09
52. 1 0 875 200 __ aaf 2048 204 183 204 N N D gt 16 025 742 2048 204 32 9 64 92 Trigger Functions p Hz span of lines 1000 20 400 800 320 20 40 80 min 60 300 3600 sec Ma 8 Frame time 300 600 ratio averaging averaging averaging averaging averaging 2048 204 5 1489 2048 2048 1 P UA Z c a Ollo ON N 74 2048 5 76 2048 5 204 204 2048 2048 2048 204 204 2048 2048 2048 204 204 2048 2048 2048 204 204 2048 2048 0 0 0 0 C 204 N 9 4 4 5 7 8 ___ 745 495 70 6 6 8 31 8 CO 4 74 7 m QN c i P ON ON 320 20 40 800 320 20 400 800 320 20 400 800 36 186 373 112 4 71 5 0 0 45 12 6 204 725 62 81 25 62 81 25 62 1 0 04 0 08 204 204 75 362 2048 181 90 ON ON Go Ar P2 gt CO 0 02 0 04 0 08 3 1 204 204 2048 3 3200 2048 20 204
53. 12 400 1024 800 2048 1600 4096 3200 8192 Y axis dB linear dB display range 80 60 40 20 dB Linear zoom function to 210 power of two Overlay display function For comparison of measurement data and selected store data all settings for mea surement data type frequency span and number of analysis lines must match List display Alphanumeric indication of 10 highest level data on graph display with corresponding frequencies exclud ing DC Cursor value X axis Hz kcpm order Y axis Linear m s mm s mm dB 155 Specifications Time waveform mode Graph display X axis 201 display points are used to represent all waveform sample data Zoom function allows expansion of dis play according to number of samples as shown in table below Number of samples num Zoom factor ber of analysis lines power of two 512 200 1024 400 2048 800 4096 1600 8192 3200 Y axis Linear display Zoom function 1 to 214 power of two Cursor value X axis Time ms Y axis Amplitude m s mm s mm Memory Memory media SD cards max 2 GB Data store files Vibration meter data store file waveform data store file FFT data store file Up to 1000 data store files can be saved under one store name up to 100 store names allowed WAVE files Stored by waveform recording function along with FFT data BMP files Screen capture data can be saved as BMP files Parameter setting memory Up to fi
54. 12SET1 ANS i Save group VA12SET2 RNS SET 0000 i VAT2SET3 RNS Load group VA12SET4 RNS VA12SET5 RNS L 1 Measurement screen 110 Setup Files and Initialization Saving the current settings To save the current settings proceed as follows 1 Atthe SYSTEM menu screen select Read Save Setting and press the ENT key The System Setting screen comes up 2 Select the desired number and press the STORE key The current settings of the VA 12 are saved in the selected number The recall screen settings are not saved Only the settings of the immediately preceding measurement screen will be saved Loading a setup file When you load settings from a file the current set tings will be overwritten If necessary you should save the current settings before loading a new set of settings 1 Atthe SYSTEM menu screen select Read Save Setting and press the ENT key The System Setting screen comes up 2 Select the desired number and press the ENT key The settings saved in the selected number are loaded When you select Load Default and press the ENT key the settings are initialized returned to the de fault condition Deleting a setup file 1 Atthe SYSTEM menu screen select Read Save Setting and press the ENT key The System Setting screen comes up 2 Select the desired number and press the PAUSE CONT key The setup file is deleted 111 Setup Fil
55. 142 Function Page Trigger 142 rigger 142 Trigger level M 142 Trigger SIO DC NR S 143 FPO OS Me MP EE EO NN 143 137 Setting Commands Axis zoom settings Command Function Page FFTExpandX FFT X axis 143 FFT Expand Y Log FFT Y axis zoom Log 143 FFT Expand Y LIN FFT Y axis zoom Lin 144 TIME Expand X Time X axis 2 144 TIME Expand Y Time Y axis zoom 144 X Upper X axis upper limit line position 144 X Lower X axis lower limit line position 144 Cursor related operations Command Function Page Cursor Position FFT FFT cursor position line position 145 Cursor Position LIST List cursor position 145 Cursor Position Time Time cursor position 145 Display Command Function Page Scale VM VM graph X axis scale 145 Scale Unit FFT Y FFT graph Y axis scale 145 Cursor Unit FFT X FFT cursor X axis unit 146 Cursor Unit FFT Y FFT cursor Y axis 146 List Display B gez T 146 Time Display Time display qe 146 Zoom Mode Display scaling mode 147 Zoom Move ZOOM MOVE 147 Layer Display Overlay display On O
56. 2 However this does not apply for a general waveform How measurement values are defined Bar graph upper lower limit values The right side indication shows the upper limit value and the left side indication shows the lower limit value The values depend on the measurement data type input range and vibra tion meter scale 33 Measurement in Vibration Meter Mode 34 SD card inserted symbol Other items Measure 40 0001 Range 41 TIMER SD card remain ing capacity Power supply status indicator T Key lock symbol 2009 07 10 10 21 34 Current date time SD card remaining capacity When an SD card is inserted the remaining capacity is shown here Current date time The current date and time are shown here For information on how to set the date and time see the Preparations section on page 16 to 17 Key lock symbol Pressing the VM TIME FFT key for 2 seconds while holding down the MENU key sets the unit to the key lock condition where all operation keys are disabled and this symbol EJ is shown To cancel the condition repeat the procedure Power supply status indicator During battery powered operation the battery capacity symbol O 1S shown here When the unit is powered from an external source the AC power symbol is shown here For details see the Power Supply section on page 117 SD card inserted symbol Appears when an SD card is inserted the uni
57. 2 442 dummy mined bytes Example for 1 8 1 8 12 5 memo sub chunk fixed to 40 kB VA 12 specific DWORD Chunk size in bytes 40944 For adjusting overall sub chunk paus sub chunk fixed to 40 kB VA 12 specific DWORD Chunk size in bytes 40952 PAUSETIMEFORMAT 40952 Reserved 135 Setting Commands Setting commands are text strings that represent measurement or display parameters etc of the VA 12 Setting commands are used in setup files and data store files Setting command format Setting command command name parameter CRLF The basic components of a setting command are the command name and the parameter A comma is used as delimiter between the command name and parameter and the setting command is terminated by a CRLF carriage return The setting command uses the CSV format Prohibited items Spaces in command name may not be omitted e Spaces in command name may not be doubled comma after the command name may not be omitted Japanese full width characters are not allowed Permitted items Lower case may be used instead of upper case e Upper case may be used instead of lower case Spaces may be inserted immediately before and after the parameter Setting command examples High Pass Filter IHZ CRLF Space after may be omit ted high pass filter _1Hz_ CRLF Command name in all lower Valid tf 1 d c
58. INSTRUCTION MANUAL VIBRATION ANALYZER VA 12 CW RION CO LTD 3 20 41 Higashimotomachi Kokubunji Tokyo 185 8533 Japan http www rion co jp english Organization of this manual This manual describes the features operation and other aspects of the Vibration Analyzer VA 12 If the unit 15 used together with other equipment to configure measurement system consult the documentation of all other components as well The section starting on page v contains important safety precautions Be sure to read this section carefully This manual contains the following sections General Operation Outline Gives an overview of the unit Controls and Features Briefly identifies and explains the operation panel keys connectors on the top and bottom and other parts of the unit Preparations Describes how to prepare the unit for use including information on making connections power up and inserting the SD card Menu Operation Describes how to use the menus of the unit Analysis Functions Describes the different analysis function available with the unit and how to select them Measurement in Vibration Meter Mode Describes the display screen contents and operation steps in vibration meter mode Measurement in Time Waveform Mode Describes the display screen contents and operation steps in time waveform mode Measurement in FFT Mode Describes the display screen contents and operation steps in FFT mode
59. LG mm 19 INST AVE key 5 MENU 18 LED indicator 6 VM TIME FFT key A o 7 Key lock 17 RANGE A Vkeys 8 ACC VEL DISP key Hie s VY 9 FREQ SPAN key 16 LINE key 10 A v X keys _ SEN 15 ENT key r KOK SEIS 14 POWER key 12 SCALE ON OFF key Tues 13 SCALE EXPAND MOVE The illustration shows the unit with the protective cover attached 1 Display Shows measured data menu screens and other information The sections of the display are named as shown at right Display area Status bar Controls and Features 2 START STOP key Serves to start and stop the measurement The key is also used to return to the measurement screen from a menu screen 3 STORE key Serves to store data on SD card The key is also used to start the time trigger operation when the time trigger function see page 92 15 used 4 PAUSE CONT key Serves to pause and resume the measurement 5 MENU key Gives access to the menus for changing measurement parameters 6 VM TIME FFT key Serves to select the analysis mode 7 Key lock Pressing the VM TIME FFT key for 2 seconds while holding down the MENU key sets the unit to the key lock condition where all operation keys are disabled 8 ACC VEL DISP key Serves to select measurement data type acceleration velocity displace
60. MORY CARD DC IN 11 15V TRIG IN 966 Unit mm Dimensional drawing with protective cover 160 acceleration crest factor indication 33 acceleration Peak value erreicht ribs 33 acecleration tms value xHDdicdUlOEb 33 acce Ie 010 ne eee te sere a or re meen arr 13 GAUGE EEE mmMSIT 12 analysis function bare 26 30 40 54 117 ACS MUNDO E A E E 56 65 Pack EDE P YX 118 UT RT 116 ish uiui 82 current averaging re ee eT ner eer ern 56 CUT SOM RR 44 59 43 58 CBSE 1 44 cursor value readout and 59 CULSDE X UDID 66 CLES SEO 81 displacement equivalent value indication 33 SOMOS sanis aa 69 71 EXTCEnd DOT NM gelesen bres a 91 PET 53 TS SU CUTS 124 ITC sce 88 TS UC NG YS A 41 55 161 Index 162 TAPE ZOOM ced E ean neouaneasihetucs vend E 43 58 high pass
61. TOP key only after having set these parameters 5 Press the START STOP key to begin the measurement Measurement value processing 15 carried out for the selected number of averaging runs 72 Measurement in FFT Mode Storing measurement data You can store measurement data on an SD card inserted in the unit When the trigger function is enabled refer to the Trigger Functions sec While the LED indicator is flashing do not turn off power to the unit or remove the SD card If the waveform recording function see page 75 has been set to On WAVE files will be stored on the SD card along with the FFT data store files However this applies only in the following cases tion Exponential averaging processing is in progress or paused Linear averaging or maximum hold processing is paused or completed If the operation type 1s instantaneous value measure ment WAVE files are not stored For information on the data storage location see the SD Card section If measurement parameters are changed after pro cessing the display 15 cleared but the previous data and measurement parameters are maintained Con sequently if the STORE key is pressed at this point the measurement parameters that will be stored are the parameters that were active during processing 1 Verify that the SD card symbol is shown on the title bar If no symbol is shown insert an SD card 73 Measurement in FFT Mode
62. When triggering occurs processing starts and includes the data from a point preceding the current point by 1 8 frame time Start Pretrigger Trigger End 1 8 frame 91 Trigger Functions Making time trigger settings 1 From the Measure menu screen select Store Name The measurement data will be stored in the folder specified by the Store Name item For details see the SD Card section 2 Set the Trigger Mode to Time 3 f performing measurement in FFT mode select Wave Record For information on waveform recording see the Recording Waveform Data section 4 Make the settings for Trigger Start Time Store Interval and Store number For details on these items see page 89 In FFT mode linear averaging maximum hold the available setting range for the number of averaging runs is limited depending on the frequency span number of analysis lines and store interval settings See tables below I fs 3e min o 3600 sec av Frame Overlap Max time ratio eraging cri 1185 2048 204 589 2048 aif if ___ Mo _ 292 1792 4 2 40 4 soo 8 5 6 im om 7 as 204 400 2 223 2048 204 4 2048 oss 2048 204 025 287 1487 2048 2048 2048 0 875
63. X axis use the lt gt keys The zoom factor is shown at the bottom of the graph To zoom along the Y axis use the A v7 keys The zoom factor is shown at the left of the graph E 939 5 0002 Range 41 6 l1Hz IkHz 4 Y axis zoom factor These symbols must be shown Display scaling amp Zoom mode mode uu 4 Move mode Not shown Overall data E display mode 67 Measurement in FFT Mode Functions of 4 P v keys differ according to display mode K Display Symbol ey operation mode A wv Overall data Solid Move cursor Move cursor Decrement display None line store store address address Display scal 9 Broken Shrink X Expand X Expand Y Shrink Y ing zoom e line axis axis axis axis Increment Decrement Display scal Solid Move cursor Move cursor Buc store store ing move address address When the cursor is near the display edge the cursor does not move but the display is scrolled When the edge is reached the cursor moves to the other edge When the X axis display range is not 100 the screen also scrolls to the other edge Relation between overall data and display range In display scaling zoom mode scroll bars are shown to indicate which sec tion of the overall data 1s currently shown on the display Scroll bar Shows the ra tio of current display vs overall data iid ua d ee Jc toe
64. age When the AC adapter is connected to the unit power will be supplied from the adapter also if batteries are inserted The AC adapter has priority If power to the adapter is interrupted such as during a power failure the unit will automatically switch to battery powered operation Power up Hold down the POWER key see page 5 for at least 1 second to turn the unit on If the unit is powered from batteries only the remaining battery capacity indicator is shown on the status bar see page 5 If the unit is powered from the AC adapter the AC power symbol 15 shown See the Status indica tion section When the remaining battery capacity indicator shows _ and is flashing replace the batteries with a fresh set See the Power supply section 12 Preparations Connecting the accelerometer Connect the accelerometer 1 Connect the piezoelectric accelerometer as shown below U VA Connector ring a INPUT connector Connector Magnet attachment Piezoelectric Accelerometer PV 57I Connector Curled Acceler e ometer Cable 51 l Caution The magnet attachment 535 is extremely pow erful 0 8 to 1 kG Proceed with care to prevent the risk of injury when bringing the attachment in contact with the measurement object Keep the magnet attachment at least 50 centimeters away from any magnetic media such as memory cards Otherwise data can be de
65. ally designed for making measurements in the field It comes with the Piezoelectric Accelerometer PV 57I equipped with mag netic attachment Because the VA 12 1s equipped with the constant current power supply the ac celerometers with integrated preamplifier CCLD type can be connected Also the charge output type accelerometers can be connected by combining VP 40 with VA 12 The VA 12 offers three analyzer modes vibration meter mode time waveform mode and FFT mode In vibration meter mode acceleration velocity displacement acceleration peak and acceleration crest factor can be measured simultaneously In time waveform mode the waveform of acceleration velocity displacement or acceleration envelope curve can be displayed with up to 8192 samples In FFT mode the frequency analysis of acceleration velocity displacement or acceleration envelope curve can be displayed with up to 3200 spectral lines The TFT color display has a resolution of 240 x 320 dots and is designed to be easy to read regardless of whether the unit 15 used indoors outdoors or in dark locations Membrane switches ensure easy operation and an overload LED indicator is also provided The buffer performance of the unit improves if the supplied protective cover is installed When shipping the VA 12 the protective cover is installed The SD card is used for the memory medium Features DSP chip performs digital integration and rms processing Simulta
66. an setting command Frequency Span 1 Parameter pl 100Hz pl 200Hz pl S00Hz pl IkHz pl 2kHz pl SkHz pl pl 20kHz Content 100 Hz 200 Hz 500 Hz kHz 2 kHz 5 kHz 10 kHz 20 kHz Number of analysis lines setting command Analysis_Line 1 Parameter pl 200 pl 400 pl 800 pl 1600 pl 3200 Content 200 lines 400 lines 800 lines 1600 lines 3200 lines Setting Commands Average display setting command Average_Disp p1 Parameter Content ple Ep Instantaneous value pl Ave Average Operation type setting command Average Type 1 Parameter Content pl Linear Linear average pl Exponential average pl Maximum hold Average number setting command Average_Count p1 Parameter Content pl 1 to 2048 Averaging number of FFT processing Time window function setting command Window_Function p1 Parameter Content pl Rectangular Rectangular window pl Hanning Hanning window pl Flattop Flat top window Accelerometer sensitivity numeral setting command Pickup Sensitivity Num p1 Parameter Content pl 100 to 999 Pickup Sensitivity numeral 141 Setting Commands Accelerometer sensitivity factor setting command Pickup_Sensitivity_Magnify p1 Parameter pl 0 1 pl x0 01 pl 0 001 Content x0 1
67. arameters before pressing the START STOP key 2 Press the START STOP key The START message appears 3 The unit goes into the trigger standby condition and the symbol flashes 1n the left side of the display To pause trigger operation press the PAUSE CONT key While trigger operation is paused any trigger occurrence will be disregarded To resume trigger operation press the PAUSE CONT key once more 4 Whenever the trigger condition 15 met exponential averaging 15 car ried out and the display 1s updated The display indication then 1s held until the next averaging processing is completed 5 When you press the START STOP key the STOP message appears and trigger operation 15 terminated The averaged data at this point are displayed If there was no trigger occurrence no averaged data will be displayed when trigger operation 1s terminated 95 Trigger Functions FFT mode linear averaging maximum hold The operation principle when using FFT mode linear averaging maximum hold is illustrated below Trigger START STOP key pressed Frame Frame 2 Frame N average average average Trigger M Frame 1 end Frame 2 end Frame N end disabled Trigger standby N Preset average number Screen display Update SSSA i Hold Clear Update Hold Update Hold Hold STORE key enabled ESS
68. as been cleared Measurement data type Shows Acceleration VEL Velocity DISP Displacement or ACCe Envelope This can be switched with the ACC VEL DISP key While the measurement is paused and during the trigger operation see page 94 the measurement parameters cannot be changed Measurement in Time Waveform Mode Display parameter items Measurement status Store address TIME By 340 2 x Range 416 1Hz IkHz Y axis upper limit g Sd Scroll bar Y axis T m i d 0 Im TEGI il Cursor z p Y axis lower F 0 X axis lower limit gt Graph zoom or Cursor move symbol X axis Zoom factor axis unit x 214 X axis upper limit Cursor value readout Magnifying glass symbol Measurement status Shows Measure Store address Shows the address that will next be used when storing data on the SD card This can be changed with the A 5 keys but if an address is selected which already contains data the indication 15 highlighted in red to alert the user that the data will be overwritten Scroll bar The portion of the overall data that are currently displayed on the screen is indicated by a white line Cursor movement and zoom actions will result in a change in the length of the white line For details see
69. as shown in the 1l lustration at right Protective The protective cover serves to protect the unit from external shocks We recommend leaving the cover on during use Connection to a printer BL 112UI The USB port on the bottom can be used to connect the VA 12 to a printer as shown below The USB Mini B B cable CC 97 is available as an option Bottom MEMORY CARD DC IN 11 15V USB port rae 2 To printer USB Mini B B cable CC 97 19 Menu Operation Menu structure The menus of the VA 12 are organized in a hierarchical structure To return to the next higher level from a lower level press the MENU key Bold Screen name Regular font Item name m Can also be selected 1n recall mode Higher lt Lower Available settings Menu List L System Language Backlight Brightness 4 Dark Bright Backlight Auto Off a 30s 3min Cont Read Save Setting L Setting SYSTEM Setting SD read Current Time I 24 24 OFF ON System Program Information Time Setting Program Information Language ates English L SD Card Format a Off Exec Full L Measurement I Store Name an MAN_0000 to MAN_9999 I Trigger Mode Free Repeat Single Time I Wave Record gt OFF ON I Trigger source Level External P
70. ase is permitted 1 1 High Pass Filter CRLF es f Valid ately before or after parameter are permitted HighPass Filter IHz CRLF Spaces in command name Invalid t t not be omitted High Pass Filter IHz CRLF Comma after command name Invalid 1 may not be omitted stands for a space Im 136 Command List System Command Beep Status Command Analysis Mode Data Type Measurement parameters Command High Pass Filter Low Pass Filter Level Range Frequency Span Analysis Line Average Disp Average Type Average Count Window Function Pickup Sensitivity Num Pickup Sensitivity Magnify Sensor Type Trigger Command Trigger Mode Trigger Source Trigger Level Trigger Slope Pretrigger Setting Commands Function Page zl 139 Function Page Analysis mode 139 Measurement data type 139 Function Page High pass filter 139 140 INPUT 140 Frequency span 140 Number of analysis lines 140 Average display 141 141 Average number Time window function Accelerometer sensitivity numeral 141 Accelerometer sensitivity factor 142 Sensor selection
71. ated data Rapid flashing during data store storing 3 flashes when complete Data store on SD card Rapid flashing during data store 3 flashes when complete Data load from SD card Rapid flashing during data load 3 flashes when complete Operation indication has priority over status indica Rapid flashing during data store 3 flashes when complete tion SD Always turn power to the VA 12 off before re moving the SD card If the SD card is removed while power is on data may be lost SD card data capacity SD cards with a capacity of up to 2 GB can be used in the VA 12 Formatting an SD card When an SD card is formatted initialized all data present on the card will be lost In the following cases you should format the SD card Before using the SD card in the VA 12 for the first time Ifthe VA 12 does not seem to recognize an inserted SD card When wishing to delete all data from the SD card To format an SD card proceed as follows 1 At the SYSTEM menu screen select SD Card Format 2 Select Exec However if the SD card is not recognized by the VA 12 select Full 121 SD Card When Full is selected the card will be formatted to the following specifications Partition 1 fixed partition Partition size Entire card capacity FAT12 FAT16 or FAT32 depending on size If the SD card 15 logically corrupt because power was File system turned off during a data
72. ator is flashing in the top section of the graph When data are stored after processing or at the point when data are stored after averaging processing was stopped by pressing the START STOP key the wave form data used for averaging processing are recorded However more than 1 MB cannot be recorded START STOP STORE START STOP PAUSE CONT PAUSE CONT STORE hd Y 4 LAN ns lA LIN LAr Ae AL Em MAX died Waveform recording range 51 Waveform recording range 52 1 Waveform recording range S2 2 1 wine a a e d 2 P _ Waveform recording range S1 Waveform recording range 52 1 Waveform recording range S2 2 1 1 1 1 0 1 1 1 1 1 1 1 1 1 EXP Average WM od START STOP Waveform data store range When STORE key is pressed the most recent waveform data used for averaging processing are stored as waveform data The maximum WAVE file size that can be stored is 1 MB When the waveform recording range is longer than this only more recent data are stored and older data are discarded to keep the WAVE file size under 1 MB The data available when the 52 STORE key is pressed are non contiguous because the measure ment was paused midway In the WAVE file t
73. atus Store address SME 3 Range 4 16 Y axis upper limit gt 10 o Scroll bar E Y axis unit Bb i Overall value Cursor gt bar graph e El lla rip i 1 l Cursor value readout and unit X axis zoom factor Y axis lower limit axis unit X axis lower limit m gt H E a axis upper limit Graph zoom symbol 4 3 099 Lm ER au Ble or Cursor move symbol J Ob 4 Overall value d iae py 2009 07 10 10 38 17 Magnifying glass symbol Overlay symbol Measurement status Shows Measure otore address Shows the address that will next be used when storing data on the SD card This can be changed with the A V keys but if an address 15 selected which already contains data the indication 1s highlighted in red to alert the user that the data will be overwritten Scroll bar The portion of the overall data that are currently displayed on the screen is indicated by a white line Cursor movement and zoom actions will result in a change in the length of the white line Overall value bar graph Shows the overall value as a bar graph 57 Measurement in FFT Mode 58 X axis zoom factor Shows the X axis zoom factor for the currently displayed graph The fol lowing settings are available
74. axis for the current display range Cursor value readout and unit This shows the value at the marker symbol on the cursor The left value is for the X axis and the right value for the Y axis e X axis unit Set with X Unit in Display menu For details see page 66 e Y axis unit Set with Y Unit in Display menu For logarithmic scale select Log For linear scale select Linear Y axis zoom factor The Y axis zoom factor for the currently displayed graph is shown here If FFT scale is Log Each push of A key cycles through settings as follows 80 dB 60 dB 40 dB 20 dB Each push of v key cycles through settings as follows 20 dB 40 dB 60 dB 80 dB e If FFT scale is Linear Each push of A key cycles through settings as follows x 20 x 21 x 2 x 219 Each push of v key cycles through settings as follows 210 6 29 x 28 4 x 20 Cursor The cursor can be moved right and left with the lt gt keys Holding down a key will move the cursor faster If the cursor 15 shown as a broken line it cannot be moved see page 68 59 Measurement in FFT Mode 60 Y axis unit If FFT scale is Log the indication dB is shown here Acceleration Referenced to 1 m s Velocity Referenced to 1 mm s Displacement Referenced to 1 mm Envelope Referenced to If FFT scale 1s Linear the unit indication changes according to the measurement data type Acceleration m s Veloci
75. ay Overlay display High pass filter Low pass filter Sensor selection Sensor Type Accelerometer sensitivity 7 Pickup Sensitivity Num 510 numeral Accelerometer sensitivity factor Time window function K Pickup Sensitivity Magnify 0 1 Window Function Rectangular Averaging display Average Disp Instantaneous value Linear Analog Input os e FFT X axis zoom FFT Expand X FFT Y axis zoom Log FFT Expand Y Log FFT Y axis zoom Lin FFT Expand Y LIN Time waveform X axis TIME Expand X zoom axis upper limit line po Upper 200 sition A X axis lower limit line po X Lower sition PET URON POSO Cursor Position FFT position FFT list cursor position Cursor Position LIST Time waveform cursor posi _ ion Zoom Move mode N of c G D un e S Q 2 O 11 Power Supply Battery powered operation and external power supply operation The VA 12 can be powered by batteries or an external power supply adapter connected to the unit When both types of power sources are present the external power supply has priority AC adapter Unit powered by Not present AC adapter Batteries Battery life The unit uses IEC R6 size AA batteries Actual battery life will depend on environmental
76. cement 0 089 0 283 0 894 2 83 8 94 28 3 89 4 mm EQp p At sensitivity 10 0 to 99 9 mV m s Acceleration 0 1 0 316 1 3 16 10 31 6 100 m s rms Velocity 0 316 1 3 16 10 31 6 100 316 mm s rms Displacement 0 0089 0 0283 0 0894 0 283 0 894 2 83 8 94 mm EQp p Measurement range using PV 57I high pass filter 3 Hz low pass filter 20 kHz Acceleration 0 02 to 141 4 m s rms limited by maximum continuous measurement ac celeration of PV 57I Instantaneous maximum velocity 700 m s Velocity 0 2 to 141 4 mm s rms at 159 15 Hz Displacement 0 02 to 40 0 mm EQp p at 15 915 Hz 151 Specifications Measurement frequency range electrical characteristics Acceleration 1 Hz to 20 kHz Velocity 3 Hz to 3 kHz Displacement 3 Hz to 500 Hz Acceleration envelope curve kHz to 20 kHz Filters Prefilters High pass filter 1 3 Hz 10 Hz kHz 1090 point Cutoff slope 18 dB oct Hz for acceleration only Low pass filter kHz 5 kHz 20 kHz 10 point Cutoff slope 18 dB oct Acceleration envelope curve filter High pass filter kHz 10 point cutoff slope 18 dB oct Residual noise high pass filter 3 Hz low pass filter 20 kHz lowest range setting Acceleration 0 01 m s rms or less Velocity 0 1 mm s rms or less Displacement 0 01 mm EQp p or less A D conversion 24 bit delta sigma principle 51 2 kHz sampling Analysis functions Vibration meter mode acceleratio
77. ciple when using FFT mode linear averaging maximum hold is illustrated below STORE key Time trigger Trigger Trigger pressed start time event 2 event S S Preset store number Time Store gt qa standby interval Averaging end Averaging end Averaging end X X Processing for Processing for Processing for frame 1 to N frame 1 to N frame 1 to N Store action Store action Store action completed 2 completed 5 completed i and trigger Screen operation display terminated DENEN Hold Clear Update Hold Clear Update Clear Update Hold Time Time FFT mode linear averaging maximum hold 1 Make the required measurement parameter settings During trigger operation measurement parameters such as input range frequency span and number of analysis lines cannot be changed Set these param eters before pressing the STORE key 105 Trigger Functions 106 2 Press the STORE key The Waiting for Time Trigger popup indication appears the ll symbol is flashing and the LED indicator 1s flashing in yellow The trigger operation cannot be paused When the trigger start time is reached the popup indication START appears and the data averaged up to this point are stored While string 15 carried out the LED indicator flashes in red When storing is complete the store address 1s incremented by one If
78. data are currently displayed To select other data for display use the A v keys see page 78 Overall value bar graph The overall value spectrum power sum without DC components is shown in blue On the measurement screen the bar is yellow Trigger start time or processing completion time When time store was used the trigger start time is shown When manual store was used the processing completion time 1s shown 79 Recalling Stored Data Changing the display The procedure 15 in principle the same as for the measurement screen However the VM TIME FFT key functions as follows Vibration meter mode Key has no effect Time waveform mode Key has no effect FFT mode Toggles between graph display and list display The steps for changing the display according to the analysis function are as listed below Vibration meter mode The ACC VEL DISP key can be used to change the measurement data type data shown as bar graph The vibration meter scale cannot be changed Time waveform mode The display can be zoomed in or out See pages 49 to 50 FFT mode The display can be zoomed in out see pages 67 to 68 The cursor X axis unit cursor Y axis unit and FFT scale Y axis display scale cannot be changed 80 Recalling Stored Data Deleting stored data You can delete stored data from the SD card using the VA 12 When using the VA 12 only complete folders indi cated by specifying the store name ca
79. de Then press the SCALE EXPAND MOVE key as required 2 To zoom along X axis use the lt gt keys The zoom factor is shown at the bottom of the graph To zoom along the Y axis use the A v7 keys The zoom factor is not indicated IUE Measure 939 2MB 0004 Range 4 16 1Hz l1kHz Cursor 1s a broken line X axis zoom factor These symbols gt must be shown EA Display scaling Zoom mode mode OFF MOVE 4 Move mode Not shown Overall data display mode 49 Measurement in Time Waveform Mode Functions of 4 P v keys differ according to display mode K Display Symbol ey operation mode A wv Overall data Solid Move cursor Move cursor Decrement display None line store store address address Display scal 9 Broken Shrink X Expand X Expand Y Shrink Y ing zoom e line axis axis axis axis Increment Decrement Display scal Solid Move cursor Move cursor 4 store store ing move line address address When the cursor is near the display edge the cursor does not move but the display is scrolled When the edge is reached the cursor moves to the other edge When the X axis display range is not 100 the screen also scrolls to the other edge Relation between overall data and display range In display scaling mode scroll bars are shown to indicate which section of the overall data 1s currently shown
80. de from the Measure menu screen For details see the Trigger Functions section During trigger standby the symbol flashes During processing the gt symbol flashes While processing or trigger operation is paused PAUSE CONT key pressed the I symbol is shown If momentary overload has occurred the indication 1s shown The indication goes out second after the overload condition has been cleared During linear averaging exponential averaging or maximum hold if momentary overload has occurred the indication will remain on However the indication has priority Current averaging count Average number indication The Average number is the value set from the FFT menu The Current averaging count shows how many averaging runs have been performed at the current point when operation type 15 linear averaging exponential averaging or maximum hold When the operation type is instantaneous value the Current averaging count Average number are not displayed Operation type INST Instantaneous value LIN Linear average EXP Exponential average MAX Maximum hold Pressing the INST AVE key toggles between INST and the operation type set from the FFT menu Measurement data type Shows ACC Acceleration VEL Velocity DISP Displacement or ACCe Envelope This can be switched with the ACC VEL DISP key 56 Measurement in FFT Mode Graph display display parameter items Measurement st
81. e and BIER use the A VY keys to change the numeric value Low pass Filter ee cea ere py 57 Holding down the A Y keys changes the value sensitivity more quickly PV 57 1 0 01 mV ng dox 0 117 When the correct value has been set press the ENT key to accept the setting HPF Lower limit of Velocity To cancel the procedure without changing the current or Displacement is setting press the START STOP key or the key Return The cursor returns to the menu item name and the setting value reverts to the previous condition 2008 07 10 10 08 02 Analog Input menu screen When selecting PV 571 a popup window appears asking whether you want to change the sensitivity set ting Also note that the factor cannot be changed 14 Preparations Inserting the SD card Insert the SD card into the card slot on the bottom of the unit with the label of the card facing up Push the card in until it 1s locked in place Card slot EMEN VP me gt Label side should face By sliding this switch in the arrow direction you can write protect the card SD card Take care to insert the SD card with correct orientation If the SD card is removed while data are being read from or written to the card the data may be destroyed Do not use SD cards other than those specified by Rion to avoid the risk of malf
82. e 107 to 108 e Saving the Screen as a BMP Page 82 to 83 Pontine TMS er TT Page 84 to 85 e Folder structure of stored Page 123 53 Measurement in FFT Mode Reading the display Graph display measurement parameter items Analysis function High pass filter Input range Low pass filter Mesure Bi 919 oie Range 4 16 7 lHz IkHz 4 Measurement data type Operation type gt JJF e Waveform re cording in prog NE nen Operation status il ag indicators Current averaging count Average number 80 ag mmm ago LAT E mr 4 000 Hz T E 23 db Frequency span 9 qug gA 2009 0 10 10 38 17 Waveform recording dior Number of Window function analysis lines Analysis function Shows FFT The function can be switched with the VM TIME FFT key Input range Shows the currently selected input range The setting can be changed with the RANGE Y keys Available settings depend on the sensor sensitivity and the measurement data type For details see the Specifications section on page 151 High pass filter left Low pass filter right The high pass filter and low pass filter values set from the Analog Input menu screen are shown here 54 Measurement in FFT Mode The following settings are available Hig
83. ecording see the Recording Waveform Data section 3 Make the appropriate setting for Trigger Source Level Level trigger See Level trigger section below External External trigger See External trigger section on next page 4 Make the appropriate setting for Pre Trigger See Pretrigger section on next page OFF Pretrigger is disabled ON Pretrigger is enabled The VA 12 does not have a post trigger function 5 When the Trigger Source has been set to Level the Trigger Level and Slope items must be set See Level trigger section below Level trigger When the input level reaches the trigger level processing starts The trigger level can be set in steps of 1 8 of the full scale level The direction slope from which the input level approaches the trigger level can be set to or 90 Trigger Functions Start FS 5 8 Slope setting Start FS 5 8 Slope setting FS Trigger level ol nonne 5 8 2 8 Tigger 8 MON NI M Start FS 2 8 Slope setting FS s Start FS 2 8 Slope setting External trigger Processing starts when an external signal is input When the falling edge of a TTL level signal minimum pulse 10 us is detected or when the input is shorted triggering occurs Trigger H TTL level L n Pulse width 10 us or more Pretrigger
84. ent duration that can be displayed on screen is determined as follows number of analysis lines frequency span See the Frequency resolution 4f and frame time TFrame section on page 70 In time wave form mode the measurement duration is the same as the frame time in FFT mode In FFT mode it is possible to continuously record time waveform data for longer than the measure ment duration available in time waveform mode For details see the Recording Waveform Data section on page 75 For information on measurement using the trigger functions of the unit see the Trigger Functions section Measurement in Time Waveform Mode Storing measurement data You can store measurement data on an SD card inserted in the unit When the trigger function is enabled refer to the Trigger Functions sec tion 1 Verify that the SD card symbol Ei is shown on the title bar If no symbol is shown insert an SD card 2 Check the store address shown at the right end of the title bar e If the address is shown a white background Proceed to step 3 e If the address is shown on a red background This indicates that the store address already contains measurement data If the data can be overwritten proceed to step 3 If you do not want to overwrite the data use the A v keys to select a different store address that is shown on a white back ground If the graph zoom symbol is Shown at the bot
85. er 1Hz use the A Y keys to change the numeric value Low pass Filter 1 Sensor Selection 571 Holding down the A Y keys changes the value more quickly PY 57 io 0 01 O 1wV n When the correct value has been set press the ENT key to accept the setting HPF Lower limit of Velocity To cancel the procedure without changing the current or Displacement is 3Hz setting press the START STOP key or the lt key Return gt MENU The cursor returns to the menu item name and the Measurement Screen START setting value reverts to the previous condition Analog Input menu screen 3 When the value has been set the cursor automatically moves to the next two digits and these can be edited 23 Analysis Functions Available analysis types 99 66 The VA 12 has three analysis functions vibration meter mode time waveform mode and FFT mode These can be chosen as required by the application Vibration meter mode Select this mode to use the VA 12 as a vibration meter Time waveform mode Select this mode to use the VA 12 for checking time waveforms FFT mode Select this mode to perform FFT analysis You can choose between graph display and list display see next page In the default condition only the vibration meter mode and FFT mode graph display can be called up on the display To view other modes use the Display menu and make the appropr
86. es and Initialization Saving settings on SD card as a group To save five sets of settings setup files of the VA 12 as a group on an SD card proceed as follows 1 At the SYSTEM menu screen select Read Save Setting and press the ENT key The System Setting screen comes up Select Group Save for SD and press the ENT key The SYSTEM Setting screen comes up Select New File Specify the settings group name _0000 to SET_9999 and press the ENT key Loading a setup file group from SD card When a group of setup files is loaded setup files in the VA 12 will be overwritten If necessary you should save the current setup files on the SD card before loading a new group of files Atthe SYSTEM menu screen select Read Save Setting and press the ENT key The System Setting screen comes up Select Group Load Delete for SD and press the ENT key The SYSTEM Settings SD read screen comes up Select the group to load and press the ENT key Deleting a setup file group from SD card 1 112 At the SYSTEM menu screen select Read Save Setting and press the ENT key The System Setting screen comes up Select Group Load Delete for SD and press the ENT key The SYSTEM Settings SD read screen comes up Select the group to delete and press the PAUSE CONT key Setup Files and Initialization Setup file content example A setup file contains a list of setting co
87. essing overload Overload Result acceleration ACC Processing overload Overload Result velocity VEL Processing overload Overload Result displacement DISP High pass filter High Pass Filter Low pass filter Low Pass Filter Frequency span Frequency Span 0 1 2 3 4 5 6 100Hz 200Hz 500Hz 1kHz 2kHz 5kHz 10kHz 20kHz 200 400 800 1600 3200 a Overload Result EI Off On 2 to 3 Number of analysis Line lines 126 Indicates be ginning of Set ting block Indicates begin ning of VA 12 block Data File Structure Content Lp Ave Bytes 12 2 13 Header string Average Disp Average Average Count Average Complete averaging count 1 nc Accelerometer sen Pickup Sensitivity__ sitivity numeral Num Accelerometer sen Pickup Sensitivity sitivity factor Magnify Measurement start time Trigger mode Trigger Mode Trigger Level Trigger Slope Pretrigger Store Name Store Address Store Number Store interval Store Interval Timer BUAL Store Start Time time Rectangular Hanning Flattop 100 to 999 3 m Linear Exp Max 1 to 2048 16 0 1 x0 01 x0 001 PV 57I Other YYYY MM DD hh mm ss N ON N ON 4to6 11 5 to 6 Start Time 19 Free Repeat Single Time 109 Level Trigger External Trigger hee
88. et the clock of the unit to the correct date time see pages 16 to 17 This section contains basic instructions for measurement in time waveform mode The following items are explained e Reading the display UT Page 40 to 45 Changing measurement parameters Page 46 to 48 Zooming moving the Page 49 to 51 due ASOT CC 51 e Storing measurement data 52 For information on other items related to time waveform mode measurement refer to the following sections BUCHOS Page 88 to 106 Saving the Screen as a BMP File Page 82 to 83 s Printing The Screen Page 84 to 85 e Folder structure of stored QUE Page 123 39 Measurement in Time Waveform Mode Reading the display Measurement parameter items Analysis function High pass filter Input range Low pass filter TIME Mesure En 910 2 1 Measurement Range le f lkHz data type Operation status indicator 1 679 69 ms Frequency span 9 d imc 2O0 07 10 10 33 44 Number of analysis lines Analysis function Shows TIME The function can be switched with the VM TIME FFT key Input range Shows the currently selected input range The setting can be changed with the RANGE Y keys Available
89. ff 147 Memory Command Function Page Store Name Store NaMe 147 Store Number Store 147 Store Interval Store interval 148 Store Start Time Timer store start 148 Wave Recording Waveform recording On Off 148 138 Setting Commands Command Description System Beep setting command Beep 1 Parameter Content Beep off pl Beep on Status Analysis mode setting command Analysis Mode p1 Parameter Content pl Vibration meter pl TIME Time waveform pl FFT FFT graph pl LIST FFT list Measurement data type setting command Data p1 Parameter Content pl Acceleration Acceleration pl Velocity Velocity pl Displacement Displacement pl Acc Envelope Envelope Measurement parameters High pass filter setting command High Pass Filter p1 Parameter pl IHz pl 3Hz pl 10Hz pl IkHz Content 1 Hz 3 Hz 10 Hz 1 kHz 139 Setting Commands 140 Low pass filter setting command Low Pass Filter p1 Parameter pl IKHz pl SkHz pl 20kHz Input range setting command Level_Range p1 Parameter pl o to 6 Content kHz 5 kHz 20 kHz Content An actual value 1s different according to the setting Frequency sp
90. formation on menu structure and menu operation see the Menu Op O O er gt c O O N e gt parameter eration section Making sensor settings Use the supplied calibration chart of the accelerometer you intend to use and make the sensitivity setting by performing the following steps 1 From the Analog Input menu screen select Sensor Selection and then PV 57I or Other 2 Set Sensitivity to the sensitivity value given on the calibration chart When selecting PV 571 a popup window appears asking whether you want to change the sensitivity set ting Also note that the factor cannot be changed 63 Measurement in FFT Mode Changing the input range Set the input range to an optimum setting If the overload indication Over or Over appears on the left side of display the input range setting is too low Use the RANGE A key to increase the setting see left illustration below If the graph is shifted too far down the input range setting is too high Use the RANGE 7 key to decrease the setting see right illustration below Range 10 31 6 100 dB 60 dB 40 NA Input range setting too low Optimum Input range setting too high Overload Relation between RANGE A V keys and display FFT scale is Log The overload indication timing is as follows indication goes out if e One of RANGE A V keys is pressed
91. ger occurrence no averaged data will be displayed when trigger operation is terminated Trigger Functions Performing measurement with single trigger Time waveform mode The operation principle when using time waveform mode is illustrated below Trigger 1 frame end Trigger 1 frame end START STOP START STOP START STOP key pressed key pressed key pressed Waveform data Waveform data for 1 frame for 1 frame O y j Trigger Screen Trigger Trigger Trigger operation display standby Standby Hold Standby ends OO Update Clear Update Hold Clear Update Clear Update STORE key enabled Single Time waveform mode 1 Make the required measurement parameter settings During trigger operation measurement parameters such as input range frequency span and number of analysis lines cannot be changed Set these parameters before pressing the START STOP key 2 Press the START STOP key The unit goes into the trigger standby condition and the symbol flashes in the left side of the display To pause trigger operation press the PAUSE CONT key While trigger operation 15 paused any trigger occurrence will be disregarded To resume trigger operation press the PAUSE CONT key once more Trigger operation can be terminated by pressing the START STOP key during trigger standby 3
92. h pass filter 1 Hz 3 Hz 10 Hz 1 kHz Low pass filter 1 kHz 5 kHz 20 kHz Waveform recording in progress indicator When the waveform recording function has been set to ON this indica tor flashes during processing For details on the waveform recording function see the Recording Waveform Data section For details on the time trigger see the Trigger Functions section Window function Shows the time window setting made with Window Func in the FFT menu Rectangular Rectangular window e Hanning Hanning window e Flattop Flat top window Number of analysis lines Shows the setting made with the LINE key The following settings are available 200 400 800 1600 3200 Waveform recording indicator This 15 shown when the waveform recording function has been set to On The setting is made with Wave Record in the Measure menu For details on the waveform recording function see the Recording Waveform Data section Frequency span Indicates the currently selected maximum frequency that can be mea sured The following settings are available 100 Hz 200 Hz 500 Hz 1 kHz 2 kHz 5 kHz 10 kHz 20 kHz Pressing the FREQ SPAN key brings up a popup list Then use the A v keys to make the selection 29 Measurement in FFT Mode Operation status indicator If the repeat trigger or single trigger is enabled is shown here If the time trigger is enabled TIME is shown The trigger settings are ma
93. he Trigger Functions section e During time trigger standby the Bl symbol flashes During measurement pause PAUSE CONT key pressed the I symbol is shown In the time trigger standby condition the unit cannot be set to pause Therefore the Bl and symbols will not appear together S Measurement in Vibration Meter Mode 22 Display parameter items Measurement status Store address YM By 240 SMB x Range 51 6 1Hz 1kHz LOG Overload in dication T TIMER Vibration me ter scale Bar graph upper lower limit values ee Acceleration rms gt A C Measurement value indication value indica Acceleration PEBE q tion value indication Acceleration crest gt C F 3 3b factor indication Velocity rms y XV FE pue D z indication Displacements SSP EER P O 1 2 equivalent value indication 4T 2008 07 10 10 21 34 Measurement status Shows Measure store address Shows the address that will next be used when storing data on the SD card This can be changed with the A v keys but if an address is selected which already contains data the indication is highlighted in red to alert the user that the data will be overwritten Overload indication This indication appears when momentary overload has occurred The indi cation goes out
94. he waveform data of the two sections will be joined Re analyzing waveform data The optional waveform analysis software CAT WAVE can be used to re analyze the waveform data Re analyzing on the VA 12 itself 15 not possible 76 Recalling Stored Data Procedure for recalling stored data 1 If the store address of the stored data is known use the A v keys to display the store address In FFT mode list display use the lt gt keys If the graph zoom symbol is shown at the bottom left of graph press the SCALE EXPAND MOVE key or the SCALE ON OFF key Verify that the symbol 15 nOW or that no symbol is shown and then use the A v keys 2 Press the MENU key to display the Menu List screen 3 Use the A v 4 gt keys to select Recall and press the ENT key 4 The Recall Select File screen is shown Use the A v keys to select the store name and press the ENT key Hecall Select File Mame late 0012001 0710 2008 07 10 10 35 0611 2008 06 11 17 14 Indicates that the 0608 2009 06 09 14 24 folder contains wave The measurement form data date time indicated here 15 the date time when the folder was created Mer 1 ENTER Delete Data PAUSE Return MENU Measurement Screen O gt START 4 298 2008 07 10 10 43 01 Recall Select File screen 77 Recalling Stored Data Store name Store address 0001 0002
95. iate settings see page 28 26 Analysis Functions Switching between analysis functions Each push of the VM TIME FFT key cycles the unit through the following settings vibration meter mode time waveform mode FFT mode graph display gt FFT mode list display vibration meter mode solid ar rows in the illustration below Er 340 5MB 0001 TIME Ej 240 8MB 0001 Range 31 5 lHz lkHz Range 31 5 lkHz Z0DB 07 10 10 22 27 Vibration meter mode Time waveform mode See pages 29 to 38 See pages 39 to 52 Measure 940 6MB 0001 Measure E 940 7MB 0001 Range 1 lt iHz 1 Range 1 iHz 4 ERN EL LLL cE aan 000 REPRE TES E L LII ga Ono Al ER io M NN moe m FEET OT cm LA LI IL 00 92 000 2009 0710 10 26 25 2009 07 10 10 26 11 List display Graph display FFT mode See pages 53 to 74 Because the time waveform mode and FFT mode list display are not shown in the default condition the VM TIME FFT key operates as indicated by the broken arrows in the above illustration 21 Analysis Functions 28 To access the time waveform mode and FFT mode list display proceed as follows To display the time waveform mode Call up the Display menu and set Time Level to On To display the FFT mode list display Call up the Display menu and set Level List to On
96. ing the START STOP key 2 Press the START STOP key The unit goes into the trigger standby condition and the symbol flashes in the left side of the display To pause trigger operation press the PAUSE CONT key While trigger operation 15 paused any trigger occurrence will be disregarded To resume trigger operation press the PAUSE CONT key once more Trigger operation can be terminated by pressing the START STOP key If there was no trigger occurrence no data will be displayed when trigger operation 1s terminated 3 When the trigger condition is met the START message appears and averaging processing for the specified number of times 15 car ried out Then the STOP message appears and trigger operation is terminated Pressing the START STOP key during averaging processing will also terminate trigger operation The average value display indication at the point when trigger opera tion was terminated 1s held 100 Trigger Functions Performing measurement with time trigger Simply making time trigger settings 15 not enough to have measurement data automatically stored from the trigger start time You must also press the STORE key to set the unit to the time trigger standby mode This will cause measurement data to be stored from the preset trigger start time for the preset number of times During time trigger operation the STORE key and PAUSE CONT key are inactive Preparation for using time trigger func
97. inted object such as a pencil screwdriver etc Do not insert any objects such as pins metal scraps conducting plastic etc into any opening on the unit Do not disassemble the unit or attempt internal alterations Incase of malfunction do not attempt any repairs Note the condition of the unit clearly and contact the supplier When disposing of the unit or the accessories accelerometer PV 571 or others follow your national and local regulations regarding waste dis posal 1X Contents doi T General 1 OUTING as peta Tm 3 Block q Controls and 5 Pont E 9 Top Pane UU UU TUUM 8 POU 9 1 EOC EEE E E E A 10 Pr pard OD S enese E EEE A rR 11 POSEE SOY 11 Connecting the 13 Cardosses a 15 Settimo The current Gate INNS A 16 the 17 Using shoulder belt ocius eorr tapa aorta oreet nit 18 Attaching the sensor to the protective 19 Connection to a printer 112 1
98. ion explains vibration meter data store files waveform data store files and FFT data store files File name MAN store address RVD File format CSV ASCII code File structure The structure of vibration meter data store files waveform data store files and FFT data store files is as follows _ indicates a space Root block Sub block Block member Common to all files Analysis_ Mode Data_Type Overload_ Current Skipped Store Address Store Number Store Interval Store Start Time Block members differ de pending on file type An example for a FFT data store file is shown at left Frequency ___ 0 000 0 625 1 290 Skipped 499 375 500 000 125 Data File Structure Setting section The Setting section is common to all files The data content is as follows order is as shown in the table with CR LF used Each item consists of the following parts hea content CR LEF indicates a space as delimiter der string e The in the header ve column and content column indicates a space Analysis mode Analysis Mode ues FFT Acceleration Measurement data Data Type type Velocity Overload Current Displacement Acc Envelope Off On 2 to 3 Overload accelera Overload Current tion ACC Overload Current Overload displace Overload Current ment DISP 8 to 13 Off On 2 to 3 Off On 2 to 3 Off On 2 10 3 Proc
99. key In FFT mode this key serves to switch between the instantaneous value display and the operation type selected from a menu linear average exponential average maximum hold Controls and Features Top Panel INPUT connector for accelerometer INPUT OPTION O OPTION connector INPUT connector The supplied Piezoelectric Accelerometer PV 57I or another accelerometer is to be connected here Other supported accelerometers include PV 90I PV 41 etc OPTION connector Serves for future expansion currently not used Controls and Features Bottom Panel Card slot USB TRIG IN 07 DC IN connector USB port TRIG IN connector Card slot The SD card 1s to be inserted here This allows storing data and exporting data to a computer The card slot is also used for upgrading the system firmware etc USB port Using the optional USB Mini B B cable CC 97 the dedicated USB Printer BL 112UI can be connected here The port also serves for connection to a computer using an optional USB A Mini B cable In this case the SD card inserted in the VA 12 1s recognized as a removable disk by the computer TRIG IN connector Serves for input of an external trigger signal This allows controlling the measurement based on certain trigger conditions DC IN connector The optional AC adapter NC 99 can be connected here for powering the unit from an AC source 90 to 240 V Do not use
100. me time duration is determined by the number of analysis lines and the frequency span The values are shown in the table below Number of analysis 3200 0 6 2500 12 5000 FFT calculation interval 4 t sec Number of analysis Frame time lines 200 lines 400 lines 800 lines 1600 lines 3200 lines S oy Le we eios rase cioe OE 10sec 20sec 18 som otsee d s _ 4 0 08sec 06sec Q32sec O64see 11 kHz 002sec 004sec 008 Ol sec 032sc 11 ___20 0 01 0 02 sec 0 04 0 08 O 16sec 11 Note 1 The FFT calculation interval is a value specific to the VA 12 Note 2 The time required until the first FFT processing results is displayed is equal to the frame time 70 Measurement in FFT Mode Performing instantaneous value measurement 1 2 Make the required measurement parameter and display parameter settings using the FFT menu Measure menu etc see page 63 Repeatedly press the VM TIME FFT key to bring up the FFT mode screen Press the INST AVE key so that INST is shown as operation type at the top left of the screen Select the input range frequency span number of analysis lines and other parameters to obtain optimum measurement data see page 63 Performing exponential averaging value measurement 1 5 Make the required measurement parameter and display
101. measurement parameters cannot be changed 65 Measurement in FFT Mode Setting the FFT scale type Make the setting for the FFT scale Y axis scale with the FFT Scale item in the Display menu Log Logarithmic scale e Linear Linear scale Setting the cursor X axis unit 1 At the Display menu screen select X Unit and press the ENT key 2 Use A keys to select Hz or odr and press the ENT key e Hz Hertz Kilo Cycles per Minute e odr Set reference frequency order 3 When odr was selected you should set the reference frequency using one of the two methods described below Method 1 Select Standard Frequency and enter the value by direct edit Method 2 1 At the graph screen move the cursor to the frequency you want to set 2 Select odr for X Unit in the Display menu 3 Press the STORE key 66 Measurement in FFT Mode Zooming moving the display To expand or shrink the display proceed as follows 1 Enable the display scaling zoom mode graph zoom symbol shown at bottom left of graph see illustration below If the magnifying glass symbol is shown the unit is in display scal ing mode Press the SCALE EXPAND MOVE key as required If the magnifying glass symbol is not shown first press the SCALE ON OFF key to switch the unit to display scaling mode Then press the SCALE EXPAND MOVE key as required 2 To zoom along the
102. mmands and setting values The file is a CSV Comma Separated Values format text file An example is shown below Setting Comma item delimiter Pickup Sensitivity Magnify Value Sensor Type Other Trigger Mode Time Setup file content example For details on the setting commands see the Setting Commands section 113 Setup Files and Initialization Setting items Setting items that are covered by the resume and initialization functions along with their default values are listed in the table below tems stored in setup files Soning command _ Backlight brightness Brightness E Backlight auto off Backlight AutoO rigger slope TiggerSope 2009 01 01 00 00 00 Trigger start time Start Time Y Y YY MM DD hh mm ss store number Frequency span Frequency Span 100 Hz Measurement number Average Count Measurement data type Data Type 6 1 Number of analysis lines Analysis Line 200 1 114 Setup Files and Initialization Setting item Setting command Default value ee meter graph X axis Scale VM FFT graph Y axis scale Scale Unit FFT Y FFT cursor X axis unit Cursor Unit FFT X FFT cursor Y axis unit Cursor Unit FFT Y Linear List Display Off Time Display Off Layer Display Off High Pass Filter 1 Hz Low Pass Filter kHz PV 57 Level list display Display menu setting Time displ
103. n 5 Press the START STOP key to return to the measurement screen The stored data and the current data are now shown together in an overlay configuration Both the line chart and bar graph for the stored data are shown in green Measure 946 0004 Range 41 6 1kHz LL Current value blue RUNI lt lt 1 100 000 Me Hz 200 0000 4 165 5 Hz 17 1 cB dB 4 Stored data purple dB Stored data purple gt fai 80 i Current value yellow 2008 06 08 17 08 20 Overlay symbol Overlay display example 107 Overlay Display If stored data are not shown set the Overlapping item in the Display menu screen to On Overlay display is only possible if the following measurement parameters are identical for the re called data and measurement data analysis mode measurement data type frequency span number of analysis lines When not carrying out step 2 immediately after step 1 saving the settings immediately after step 1 15 recommended to eliminate the need for setting all of the above parameters again The saved settings can then be loaded before carrying out step 2 For details on saving and loading settings see Us ing setup files page 110 Canceling the overlay display 1 At the Display menu screen select the Overlapping item
104. n velocity displacement overall value also calculated simultaneously Detection characteristics rms detection peak detection sampling frequency 51 2 kHz 152 Specifications Measurement data type The following items are calculated simultaneously by digital processing Acceleration m s rms value peak value crest factor Velocity mm s rms value Displacement mm EQp p value rms time constant second Peak value crest factor updated every second Time waveform mode waveform of acceleration velocity displacement or acceleration envelope curve Frequency span 100 Hz 200 Hz 500 Hz 1 kHz 2 kHz 5 kHz 10 kHz 20 kHz Number of waveform samples analysis lines 512 1024 2048 4096 8192 200 400 800 1600 3200 lines FFT mode spectrum of acceleration velocity displacement or accelera tion envelope curve Frequency span 100 Hz 200 Hz 500 Hz 1 kHz 2 kHz 5 kHz 10 kHz 20 kHz Number of analysis lines waveform samples 200 400 800 1600 3200 512 1024 2048 4096 8192 Time window function Rectangular Hanning Flat top Averaging processing Linear average exponential average maximum hold 153 Specifications Waveform recording function During FFT averaging processing waveform data can be saved on SD card in WAVE file format max 1 MB per file FFT analysis using WAVE files cannot be performed on VA 12 Recording time examples 10 seconds at 20 kHz frequency span 2000
105. n be deleted see illustration below To delete data in a specific store address only you must use a computer as described in the SD Card section on page 123 Store name Can be deleted Store address using VA 12 0100 3 0001 l 3 Can be deleted MAN_0200 MAN_0300 To delete a folder select the store name from the Recall Select File screen and press the PAUSE CONT key Ll J using a computer 81 saving the Screen as a BMP File The VA 12 allows storing the current screen image as a BMP file in a speci fied folder on the SD card Saving the measurement screen or recall screen 1 Display the measurement screen or recall screen 2 Verify that the SD card symbol Ei is shown on the title bar If no symbol is shown insert an SD card 3 Press the MENU key 4 Use the A v 4 keys to select Print and press the ENT key 5 The Print popup window appears Use the A v keys to select Save to SD and press the ENT key If no SD card is inserted an error message ap pears to alert the user In such a case insert an SD card While the LED indicator is flashing do not turn off power to the unit or remove the SD card 82 Saving the Screen as a BMP File Displaying a BMP file Stored BMP files can be viewed on a computer For information on the data storage location see the SD Card section 83 Connecting the Printer BL 112UI to the VA 12 see page 19
106. nd the symbol flashes 1 the left side of the display To pause trigger operation press the PAUSE CONT key While trigger operation 15 paused any trigger occurrence will be disregarded To resume trigger operation press the PAUSE CONT key once more 4 Whenever the trigger condition is met the display is updated and the display indication then is held until the next trigger occurrence 5 When you press the START STOP key the STOP message ap pears and trigger operation is terminated The display reverts to the regularly updated condition 94 Trigger Functions FFT mode exponential averaging The operation principle when using FFT mode exponential averaging is illustrated below 1 frame end 1 frame end 1 frame end Trigger Trigger Trigger START STOP START STOP key pressed Ene key pressed averaging Exponential averaging Exponential averaging ER Trigger Trigger Trigger Screen display standby standby standby ee Hold Clear Update Hold Update Hold Update Hold Update TORE STO eyenabled 4 Only if there are data Time from previous time Repeat FFT mode exponential averaging 1 Make the required measurement parameter settings During trigger operation measurement parameters such as input range frequency span and number of analysis lines cannot be changed Set these p
107. nds If a power failure occurs while the VA 12 is powered from the AC adapter operation will automatically switch to battery power if batteries are inserted allowing the unit to continue functioning If no batteries are inserted the unit will turn off Using the Backlight The VA 12 is equipped with a display backlight that enables easy measure ment also in dark locations To use the backlight proceed as follows Selecting the backlight brightness 1 At the SYSTEM menu screen select Backlight Brightness 2 Select Dark or Bright Selecting the backlight auto off delay Using the backlight requires power and therefore results in shorter battery life see page 116 You can select the delay until the backlight is turned off automatically 1 At the SYSTEM menu screen select Backlight Auto Off 2 Select 30s or Cont The 30s or 3min setting is recommended to con serve battery power Using the backlight Press the LIGHT key to turn the backlight on Each push of the key toggles the backlight between on and off While the battery capacity symbol on the status bar 15 or the backlight will not turn on 118 Status Display Symbol List The following symbols may appear on the display of the VA 12 Smal Blue Status bar capacity 1 Blue Remaining battery TE M powered operation capacity 2 possible Blue eee Status bar capacity 3
108. neous display of acceleration velocity displacement accel eration peak and acceleration crest factor 1n vibration meter mode e 24 bit A D converter achieves 80 dB dynamic range for FFT analysis Overlay display of measurement data and recall data possible in FFT mode e 1000 data x 100 store names available for data of any type Data store function with specified start time and store interval Outline e Data are stored on handy SD cards Setup files allow specifying five different sets of parameters e Five setup files can be stored as a group on an SD card Display image can be captured as a BMP file When connected to a computer via the optional USB cable the SD card in the unit is recognized as a removable disk Block diagram LD 1 2 mA Accelerometer is TY connector A D Overload detector detector TRIG IN connector External trigger connector O CPU PEAK HOLD eee RMS DET Overload RMS DET 000 Vibration e Da Aliasing filter Envelope detector O gt OPTION connector BUFFER SRAM FLASHROM Power supply voltage monitor To power supply points Batteries O in various sections Power supply circuit External power supply O USB controller LCD controller TFT LCD QVGA USB connector o Controls and Features Front Panel VIBRATION ANALYZER VA 12 1 Display _ _ gt 2 START STOP key 3 STORE 4 PAUSE CONT Ti aem
109. ng screen cont riesen ree Wave Record OFF Menu pages Beep OFF System Program Information v Language English Card Size 941 8MB Card Total 975 9MB SD Card Format Off System Measu Language rement Display Analog gqusssuuuumuumg Measurement screen i33 MAN 0609 2009 06 09 14 24 239 MAN 0608 2009 06 08 14 02 MAN 0000 2009 06 04 15 10 START STOP 2009 07 10 10 12 58 Recall data screen o Recall menu screen Setting screen 21 Menu Operation Menu operation Calling up a menu page 1 Press the MENU key to bring up the Menu List screen 2 Use the A v lt gt keys to select the desired menu name FFT in the example and press the ENT key ovysten Heasu Language rement Ana log Input Recall j _ Return D MENU Measurement Screen C START ODO OR Mel E Menu List screen The cursor will continue to move through the menu names also when the left right top bottom boundary is reached For example when you press the gt key while the cursor is on Print the highlight moves to Analog Input When you press the lt key in this condition the highlight moves back to Print This allows you to quickly bring the cursor to any desired item 3 The
110. note that the factor cannot be changed Changing the input range Set the input range to an optimum setting see middle illustration below If the indication appears on the left side of display the input range setting 15 too low Use the RANGE A key to increase the setting see left illustration below If the graph amplitude is too small the input range setting is too high Use the RANGE V key to decrease the setting see right illustration below 1 Range 3 16 Range 10 Akey gt lt V key Input range setting too low Optimum Input range setting too high Relation between RANGE V keys and display 47 Measurement in Time Waveform Mode Specifying the store name To store measurement data it is necessary to first specify a store name Ac cess the Measure menu and select Store Name Measurement data will be stored in a folder of the specified name See the SD Card section 48 Measurement in Time Waveform Mode Zooming moving the display To expand or shrink the display proceed as follows 1 Enable the display scaling zoom mode graph zoom symbol shown at bottom left of graph see illustration below If the magnifying glass symbol amp is shown the unit is in display scal ing mode Press the SCALE EXPAND MOVE key as required If the magnifying glass symbol is not shown first press the SCALE ON OFF key to switch the unit to display scaling mo
111. peration Making settings from a popup list 1 Use A v keys to move the cursor to the menu item to set High pass Filter in the example 2 Press the ENT key or the gt key A popup list appears High pass Filter Low pass Filter sensor Selection Sensitivity PV 57I 510 0 01 Other 0 1mv mz HPF Lower limit of Velocity or Displacement is 4Hz Return MENU Measurement Screen gt START ZOOS OF 8 Analog Input menu screen 3 Use the A vv keys to make your selection Press the ENT key to accept the setting To cancel press the START STOP key or the lt key The cursor will continue to move through the items in the popup list also when the top bottom boundary is reached For example when you press the key while the cursor is on 1Hz the highlight moves to 1kHz When you press the v key in this condition the highlight moves back to 1Hz This allows you to quickly bring the cursor to any desired item 24 Menu Operation Making a setting by direct edit Numeric values such as date and time or sensor sensitivity can be set by directly editing the setting 1 Use the A v keys to move the cursor to the menu item to set Other in the example 2 Press the ENT key or the gt key The value can now be edited two digits at a time as shown below Henu log Input Use the lt gt keys to move to the item to change and High pass Filt
112. re Trigger sauce OFF ON Trigger Level aan 7 8 to 7 8 I Slope ees I Trigger Start Time 4 00 00 to 23 59 I Store Interval aaa I min 5min 10min 30min 60min L Store number 0001 to 1000 L Display L VMScale Log Linear FFTScale 1 Log Linear Xuni Hz kcpm odr I Standard Frequency a 0 25Hz to 100 00Hz Yuni ee Log Linear I Level List Off On L Time Level Off On L Overlapping aaa Off On Clear Analog Input High pass Filter au 1Hz 3Hz 10Hz 1kHz I Low pass Filter aus IkHz 5kHz 20kHz I Sensor Selection PV 571 Other L Sensitivity 571 100 x 0 01 mV ms to 999 x 0 01 mV ms Other 100 x 0 001 mV ms to 999 x 0 1 mV ms 2 I FFT L Window Func Rectangular Hanning Flat top I Operation Type aa LIN EXP MAX Average number 0001 to 2048 L Print I Save to SD Print L Cancel Recall Menu Operation Menu flow diagram A diagram of the overall menu structure is shown below You first access the menu list and then proceed to the desired menu page To directly return to the measurement screen press the START STOP key Menu screens START STOP Returns to the meas gt urement screen from anywhere except a ETIN setti
113. red from an external source the power symbol is shown here For details see the Power Supply section on page 117 SD card inserted symbol Appears when an SD card 15 inserted in the unit Measurement in Time Waveform Mode Changing measurement parameters The measurement parameters in time waveform mode are as follows Sensor information Analog Input High pass filter Analog Input Low pass filter Analog Input ACC VEL DISP Input range RANGE A V Frequency span FREQ SPAN Measurement data type Number of analysis lines LINE Trigger operation settings Measurement parameter For information on menu structure and menu operation see the Menu Op eration section Restriction for changing measurement parameters In the following cases measurement parameters cannot be changed During measurement pause symbol shown left side of display e During trigger operation 46 Measurement in Time Waveform Mode Making sensor settings Use the supplied calibration chart of the accelerometer you intend to use and make the sensitivity setting by performing the following steps 1 From the Analog Input menu screen select Sensor Selection and then PV 57I or Other 2 Set Sensitivity to the sensitivity value given on the calibration chart When selecting PV 57I a popup window appears asking whether you want to change the sensitivity set ting Also
114. rmation expanded area paus sub chunk VA 12 specific information expanded area The configuration of each sub chunk is explained below The variable types used in the table are as follows WORD 16 bit unsigned integer DWORD 32 bit unsigned integer double IEEE double precision floating char Character string RIFF chunk chunkSize DWORD Chunk size in bytes 131 Data File Structure fmt sub chunk chunkSize DWORD Chunk size in bytes 16 nFormatTag 2 WORD Format type 0x0001 nAvgBytesPerSec nSamplesPerSec x nChannels x wBitsPerSample 8 Rion sub chunk VA 12 specific chunkSize DWORD Chunk size number of bytes 460 RIONFORMAT 460 Constitu Processing parameters and other information ent of VA 12 see next page data sub chunk chunkSize DWORD Waveform data size number of bytes WAVE file data of VA 12 are fixed to 16 bit 132 Data File Structure Contents of RIONFORMAT indicates a space mus 3 DWORD RN Lew mee tar Mole INN Ch1ValuePerBit doubts value per bit if not used 00 Reserved soe or seep 076 Reserved Reserved 8 DI e Left justified indication of measurement unit Ch1Unit char Padded with _ space eer Smee Left justified indication of input range Chi
115. ry When making measurements on exposed rotating parts or power train parts of machinery proceed with utmost care to ensure that the accelerometer or accelerometer cable do not get caught in the machine When making measurements on exposed rotating parts or power train parts of machinery do not use the shoulder belt If they are rolled in the machine a dangerous accident is caused vil viii Precautions Operate the unit only as described in this manual Do not touch any parts of the unit other than necessary for operation Do not drop the unit Protect it from shocks and vibration The permissible ambient temperature range for operation of the unit is 10 to 50 C Relative humidity must be 90 RH or less Do not use or store the unit in locations which may be subject to water dust direct sunlight high temperatures or humidity Also protect the unit from air with high salt or sulphur content gases or the influence of chemicals Do not forget to turn the unit off after use Remove the batteries if the unit 1s not to be used for some time When disconnecting cables always hold the plug and do not pull the cable To clean the unit use only a dry cloth or a cloth lightly moistened with water Do not use chemical cleaning cloths solvents or alcohol based cleaners to prevent the possibility of deformation and discoloring Do not tap the LCD panel or other surfaces of the unit with a po
116. save operation or similar format the card in a computer In that case select FAT FAT12 FAT16 or FAT32 as file system Data transfer To transfer data stored by the VA 12 on SD card to a computer the following two methods can be used Remove the SD card from the VA 12 and insert it into a suitable slot or card reader on the computer to read the data off the card Connect the VA 12 to the computer with a USB cable The SD card in the VA 12 should be recognized as a removable disk by the com puter The latter method allows access to VA 12 data on the card even from com puters that have no suitable slot or card reader for SD cards 122 SD Card Folder structure The diagram below illustrates the data folder structure on the SD card Use this as reference when accessing data on a computer or when deleting specific folders and files VA 12 SET_0000 Setup files Each folder can contain up to five setup files SET_ 1234 The STARTUP folder contains setup files to 5 Files in this SEI 9999 folder are loaded automatically at startup with the lowest num ber having priority system files z SYSTEM These files not accessed by user 0000 1 MAN 0001 RVD vibration meter data
117. settings depend on the sensor sensitivity and the measurement data type For details see the Specifications section on page 151 High pass filter The high pass filter value set from the Analog Input menu screen is shown here The following settings are available 1 Hz 3 Hz 10 Hz 1 kHz 40 Measurement in Time Waveform Mode Low pass filter The low pass filter value set from the Analog Input menu screen is shown here The following settings are available 1 kHz 5 kHz 20 kHz Number of analysis lines Shows the setting made with the LINE key The following settings are available 200 400 800 1600 3200 Frequency span Indicates the currently selected maximum frequency that can be measured The following settings are available 100 Hz 200 Hz 500 Hz 1 kHz 2 kHz 5 kHz 10 kHz 20 kHz Pressing the FREQ SPAN key brings up a popup list Then use the A v keys to make the selection Operation status indicator If the repeat trigger or single trigger 15 enabled is shown here If the time trigger is enabled TIME is shown The trigger settings are made from the Measure menu screen For details see the Trigger Functions section During trigger standby the symbol flashes While measurement or trigger operation 1s paused PAUSE CONT key pressed the I symbol is shown f momentary overload has occurred the indication 1s shown The indication goes out second after the overload condition h
118. stroyed Besides the supplied Piezoelectric Accelerometer PV 57I other accelerometers with integrated preamplifier CCLD type of PV 90I 41 and so on can also be used In this case BNC adapter V P 52C low noise cable SIA VP 51L and other accessories may be required The Piezoelectric Accelerometer PV 57 or PV 57A cannot be used Before starting to use the unit the piezoelectric ac celerometer sensitivity must be set For details about the setting procedure see the Making sensor settings section on the next page 13 Preparations 2 Insert the connector plug of the cable into the INPUT connector on the VA 12 and rotate the connector ring clockwise to firmly lock the plug 3 If the accelerometer has been changed use the supplied calibration chart to make the sensitivity setting see the Making sensor settings section below 4 Lightly press the accelerometer and verify that the display indication changes 5 Use the RANGE V keys and verify that the display indication changes Making sensor settings Use the supplied calibration chart of the accelerometer you intend to use and make the sensitivity setting by performing the following steps 1 From the Analog Input menu screen select Sensor Selection and then 57 or Other 2 Set Sensitivity to the sensitivity value given on the calibration chart Use the lt gt keys to move to item to chang
119. t Measurement in Vibration Meter Mode Changing measurement parameters and display parameters The measurement parameters and display parameters in vibration meter 5 Guworiomain Low pass fter _ enaa Trigger operation settings Measure sire mame Measurement data type ACC VEL DISP 30 data shown as bar graph Vibration meter scale Display 36 For information on menu structure and menu operation see the Menu Op mode are as follows O O gt c O 5 N e gt parameter eration section Restriction for changing measurement parameters In the following cases measurement parameters cannot be changed During measurement pause symbol shown on left side of display During time trigger operation 25 Measurement in Vibration Meter Mode Making sensor settings Use the supplied calibration chart of the accelerometer you intend to use and make the sensitivity setting by performing the following steps 1 From the Analog Input menu screen select Sensor Selection and then 57 or Other 2 Set Sensitivity to the sensitivity value given on the calibration chart When selecting PV 571 a popup window appears asking whether you want to change the sensitivity set ting Also note that the factor cannot be changed Changing
120. the input range Set the input range to an optimum setting If overload occurs measurement value display background is red and indication appears on right side of display the input range setting is too low Use the RANGE A key to increase the setting opecifying the store name To store measurement data it is necessary to first specify a store name Access the Measure menu and select Store Name Measurement data will be stored in a folder of the specified name See the SD Card section Selecting the vibration meter scale 1 From the Display menu screen select VM Scale 2 Select one of the following Log Logarithmic scale Linear Linear scale 36 Measurement in Vibration Meter Mode Performing measurement The measurement will start automatically when the vibration meter mode measurement screen is brought up The following values are measured 51 multaneously and updated in 1 second intervals e Acceleration rms value 11 52 e Acceleration peak value m s Acceleration crest factor e Velocity rms value mm s Displacement equivalent p p value mm For information on how to use the time trigger function to save data see the Trigger Functions section Pausing the measurement To pause the measurement press the PAUSE CONT key During pause the ll symbol is shown on the left side of the display To resume the measurement press the PAUSE CONT key once more In the pause condition
121. the store address was 1000 the trigger operation 1s terminated when storing is complete The averaged data are reset and a new averaging processing cycle starts If the waveform recording function is set to ON waveform data will also be stored at this point Dur ing processing the waveform recording in progress indicator is flashing in the top section of the graph For details on the waveform recording function see the Recording Waveform Data section Subsequently averaged data are stored at the preset store intervals When the preset store number has been reached the popup indica tion Time trigger measurement is completed is shown and trigger operation is terminated Trigger operation can also be terminated at any previous point by pressing the START STOP key Overlay Display In FFT mode graph display the screen for displaying stored data can be shown together with the current measurement screen in an overlay configura tion This makes comparison of data easier Activating the overlay display 1 At the Display menu screen set the Overlapping item to On 2 At the measurement screen store the data that you want to use for the overlay display see page 73 3 Recall the data stored in step 2 see pages 77 to 78 4 Press the STORE key The background of the store address indication becomes orange and the overlay symbol is shown on the status bar The LED indicator flashes in gree
122. tion To use the time trigger function perform the following steps first 1 Verify that the SD card symbol is shown on the title bar If no symbol is shown insert an SD card 2 Check the store address shown at the right end of the title bar To prevent overwriting of already stored measurement data use one of the following two methods Method 1 Hold down the A v keys to find a range of store addresses shown on a white background When you have found a range that is long enough for continuous storing of the preset number of measurement data use the A Y keys again to return to the first store address of the range so that this address is displayed as the store target address for the first measurement data set Method 2 Display the Measure menu screen and specify a new Store Name Operation when START STOP key is pressed The operation when the START STOP key 15 pressed 15 as follows If the VA 12 is in vibration meter mode or time waveform mode the pressing the key has no effect If the VA 12 is in FFT mode the following applies e If trigger operation is enabled trigger operation is terminated e If trigger operation is not enabled operation 15 the same as when trigger mode 15 Free When Instantaneous value or exponential averaging is selected the display is updated continuously When linear averaging or maximum hold 15 selected averaging 15 carried out for the preset number of times and the display is then held
123. tom left of graph press the SCALE EXPAND MOVE key or the SCALE ON OFF key Verify that the symbol is nOW or that no symbol is shown and then use the A v keys 3 Press the STORE key 4 The popup indication STORE XXXX where XXXX 15 the store address appears storing 1s carried out and the LED indicator flashes in red When storing is complete the store address is incremented by one If the store address was 1000 the indication returns to 0001 For information on how to view stored data refer to the Recalling Stored Data section For information on the folder structure of stored data refer to the SD Card section 52 Measurement FFT Mode Before starting a measurement be sure to set the clock of the unit to the correct date time see pages 16 to 17 This section contains basic instructions for measurement in FFT mode The following items are explained Reading the display PT T T Page 54 to 62 Changing measurement parameters and display er Page 63 to 66 Zooming moyme the display 22 Page 67 to 68 e Periorming Tho as Ure ie HE Page 69 to 72 Storing measurement Page 73 to 74 For information on other items related to FFT mode measurement refer to the following sections Trigger PUM COIS xc cabseccrinscexancdacussaesacdapeueienssasiantooian Page 88 to 106 COVERY Display Pag
124. ttings stored in the selected file setup file load function Selecting No at this dialog window will cause the resume function to re establish the same settings as before the last time the unit was turned off For details about utilizing setup files at startup see the Folder structure section on page 123 109 Setup Files and Initialization Initialization Settings of the VA 12 can be initialized reset to the default condition using one of the following methods Keep START STOP key depressed while pressing the POWER key to turn the unit on Use System Setting screen See Note in the Loading a setup section on page 111 For information on items that will be reset see the Setting items section on page 114 Using setup files Setup files enable the following functions Establish settings quickly and precisely by loading from a file prepared beforehand and stored on SD card Return settings that were accidentally changed to the previous condi tion by loading from a file stored on SD card The VA 12 allows you to store up to five different sets of settings see section starting on next page By using SD cards you can create multiple groups of setup files stored 1n separate folders see illustration below and explanation on page 123 This makes it possible to have groups of settings optimized for various ap plications and load them as needed VA 12 SD card VA
125. ty mm s Displacement mm Envelope No indication The FFT Scale item on the Display menu is used to switch Y axis upper limit Shows the upper limit value of the Y axis for the current display range Measurement in FFT Mode Graph display Other items Ens SD card inserted symbol SD card remain ing capacity Hz 100 0000 Sale Power supply status indicator gt Eae 7 38 17 Current date time Key lock symbol SD card remaining capacity When an SD card 15 inserted the remaining capacity 1s shown here Current date time The current date and time are shown here For information on how to set the date and time see the Preparations section on page 16 to 17 Key lock symbol Pressing the VM TIME FFT key for 2 seconds while holding down the MENU key sets the unit to the key lock condition where all operation keys are disabled and this symbol is shown To cancel the condition repeat the procedure Power supply status indicator During battery powered operation the battery capacity symbol O 15 shown here When the unit is powered from an external source the power symbol is shown here For details see the Power Supply section on page 117 SD card inserted symbol Appears when an SD card is inserted in the unit a 62 Measurement in FFT Mode List display FFT fy 38 AMB mE Range 4 16 l1Hz ikHz 4 Store address Use
126. unction Hemoving the SD card When you push the SD card a bit further in the card is released and pops out of the card slot 15 Setting the current date time 1 Turn the VA 12 on 2 Press the MENU key to bring up the Menu List screen oystem Heasu Language rement Analog Input Return Measurement Screen C START 2008 07 10 10 11 35 Menu List screen 3 Use A v 4 keys to select System Language and press the ENT key The SYSTEM menu screen is displayed Menu SYSTEM Backlight Brightness Backlight Read Save Setting Time Setting OFF oystem Proeram Information hd Language English Lard Size 941 8 Card Total 575 SD Card Format OFF Return Measurement Screen C gt START OG SYSTEM menu screen 16 Preparations 4 Use the A v keys to select Time Setting and press the ENT key The System Current Time screen appears AL vstem Current Time Use the 4 2 keys to move to the item to change and Hour Min Sec 10 Year Month Day 2008 a 01 use the A VY keys to change the numeric value 12 Holding down the A VY keys changes the value more quickly When the correct value has been set press the ENT key to accept the setting To cancel the procedure without changing the current setting press the START STOP key or the lt key
127. ve sets of measurement parameter sets can be saved in the memory of the unit Five sets can be stored as a group on SD card and loaded back into the unit Swapping the current settings for saved settings and vice versa 1s possible Recall function Measurement data can be read from SD card and re displayed on screen FFT analysis of stored time waveform data on the VA 12 15 not supported 156 Specifications Startup functions Resume function Settings are memorized when power 15 turned off and restored at next power on Loading setup files at startup A specific file of settings stored on SD card can be loaded automatically at startup Input output section USB port x Mini B Removable disk function Allows use of SD card inserted in unit as removable storage device Required cable type USB A Mini B cable compli ant with USB 2 0 standard Printer function Dedicated USB printer BL 112UI can be used for printing Screen print Current display contents hard copy Continuous print Continuous printing of specified store address range Cable type USB Mini B B cable Beep For audible feedback of switch operation and measure ment status check Ambient temperature and humidity conditions for use 10 to 50 90 RH or less no condensation Power supply section Power source IEC R6 size AA batteries or dedicated AC adapter NC 99 Batteries eight IEC R6 size AA batteries Battery life approx 12 hours 23 C alkaline

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