VMF 2000
Contents
1. Measurement Amplifier VMF 2000 2 el VMF 2000 RESULT Fi a Nae PRE kd START Serting Configuration amp Catalog V Position Operating Instructions Measurement Transducer Adjustment VMF2000_e_rev_00 erstellt am 08APR2008 freigegeben am 09APR2008 Bemerkungen Seiten 14 Name Rietdorf Name Koenig f r P 20075 Z1 measuring controlling recording automation documentation Content NIE 2 OO ee a ee ee here 1 C 2 1 VENEN E E E E EEE EEE AS 2 Intended use ofthis produtti nennen 2 Safety Precautions read carefully u 3 Notes for transducers of the series 02 u nun nn IN OUGS Taara A E oceedanasnoneasacssvesdosdadane dana suooutaceacs 4 E E E E E A E E E A 4 Sum gt nele Measurement sans 5 CO 5 OD ee ans een een een 6 Salely PIECAUUIONS een 6 Tor OAC A TU ea near 6 Select analogue indicator sensitivity a aaa J FS N E E E NETE EA sen T A E A E 8 Nominal SZC selecti Oi nenne ee 8 Symmetry ad US CH CINE een 9 Semiautomatic symmetry adjustment ces 9 Fully automatic symmetry adjustment cc cccccececceeeeeeeeeeseeeees 9 NOT srr eres siete tetas er EE elo anita AE O IN A 10 Sensitivity check adjustment cs dcstushtisaserentsesteradrced desinbeadoatmeiaaeesaaveanuevantes 11 PIOLO T eaen pen E E E E A E 11 N aa i E E E le een E E E eatascceaneumencee 12 Lock and unlock menu Save configuration ueeessssssssnsnnnnennnnnne nennen 12 NOUS a E anti re E A een 132. Toletance se IE ran A NEA a aasa 13 MOR ee ee ee 13 Adjustment to individual extension cable length 14 DO ee I A ETI nee T E 14 Subject to change without prior notice Intended use of this product This measurement amplifier may be used only to process signals of Vollmer measurement transducers as intended by the Vollmer company in this in dividual application It must be firmly installed in its intended position and electrically and electronically connected as intended by the Vollmer company Any alteration might cause severe damage 2 VMF 2000 Operating Instructions VMF2000 e rev 00 FRIEDRICH VOLLMER Feinme ger tebau GMBH D 58093 Hagen Verbandsstra e 60 amp 49 0 2334 507 0 Fax 507 199 Safety Precautions read carefully This manual has to be handed to the machine operator and one copy must be permanently available to operator and service personnel Nobody is allowed to work on or with the gauge before he has read and understood this manual Feel free to call the Vollmer company in case of any questions phone 49 2334 507 0 Check if the main power supply voltage is in the range indicated on the label on the rear side of the product Never connect the product to any power supply which has another voltage than indicated on the label Do not operate this product in explosion hazardous areas Disconnect the product from main power before opening any cover Re plac
3. classifier The menu options upper Tol and lower Tol are only available if the configuration parameter Tol is set to on This is indicated by the symbol gt I I If Tol off is set the options upper Tol and lower Tol do not ap pear in the menu Key Action amp press 1 x F2 press several times until up TOL upper tolerance limit is indicated a press 1 x gt PLUS or MINUS sign flashing Aor press to change sign to PLUS h press 1 x gt first digit is flashing Aor press to set 1 digit a press 1 x gt second digit is flashing etc After the last digit of the upper tolerance limit was set continue with the lower tolerance limit F2 press several times until low TOL lower tolerance limit is indicated a press 1x gt indication is flashing a press 1 x gt PLUS or MINUS sign is flashing Aor press to change sign to MINUS a press 1x gt first digit is flashing Aor press to set 1 digit a press 1 x gt second digit is flashing etc When both tolerances are set to the selected value press the RESULT key in order to read in the new values and simultaneously to switch back the amplifier to standard operation mode If the measurement value exceeds a tolerance limit the following mark ers light up example for strip thickness measurement as standard appli cation yellow too thick green in tolerance red too thin The new tolerance limits will be erased when the amplifier is swi
4. keys A and Y are used to indicate and to select the range of the analogue indicator needle The digital indication remains unchanged The two keys step through the available ranges in microns or inches as writ ten below 10000 um 03 i 3000 um 0 1 2 1000 um 0 03 E 300 um 0 01 a gi 100 um 0 003 et 30 um 0 001 m 10 um 0 0003 In the 300 um range a fully deflected needle indicates a deviation of 300um If 10um is selected a fully deflected needle indicates a deviation of 10um The result can be easily read from the 3 scale or from the 10 scale de pending on the selected range Example 1 selected range 30 um measured deviation 15 um indicator needle is between 1 and 2 on the 3 scale Example 2 selected range 001 measured deviation 0005 indicator needle is on 5 on the 10 scale VMF2000_e_rev_00 Operating Instructions VMF 2000 7 measuring controlling recording automation documentation Zero setting set nominal size thumb wheel switch if there is one to zero systems without nominal size thumb wheel switch are set to zero mechanical ly by setting the transducer to zero on its mechanical counter scale ring or nominal size digital indicator Press the Nom Size Read In pushbutton check VMF indication eliminate minor deviations from zero by pressing M followed by F1 if there are considerable deviations gt 100 um then check the gauge for correct symmetry T
5. setting the length of the extension cables between amplifier and measurement transducers 14 VMF 2000 Operating Instructions VMF2000 e rev_00
6. the menu to Symmetry Press sym appears Move the tip of the bottom transducer slowly up and down the entire stroke see below at each limit stop hold on for about one second Four hyphens appear in the VMF display bottom right then OK appears and the VMF is automatically switched back to measuring mode Symmetry adjustment is finished sensitivity adjustment is now required ee Symmetry checking Move the hood of the bottom transducer Slowly up and down and watch the digital display of the VMF2000 Four hyphens indicate the automatic reading of the measurement data Gauges with fully automatic symmetry adjustment have the transducer rams moved pneumatically Fully automatic symmetry adjustment A number of Vollmer gauges which are operated via a Vollmer PLC have a pneumatic system for fully automatic symmetry adjustment Option AS The principle is the same as with semiautomatic symmetry adjustment only there is no need to move the transducer tips manually as this is done pneumatically This allows symmetry checking by a single operator Start the automatic symmetry adjustment while the gauge is in its rear limit position and set it to zero happens automatically with most of the Vollmer systems Then switch the gauge to the Service mode if avail able The Service I O switch is only installed on gauge systems which have a slidebase on which they are traversed pneumatically or hydra
7. the notch in their coil holder s cap nut Their extension cables as well have a 6 pin Tuchel connector at the VMF end For the adjustment of series 0 transducers 1 mm measurement stroke brass coil holder cap nut without notch 030 800 um gauge block is required The type of transducers in your gauge is specified on the Gauge Card in your technical documentation Some gauges measuring under tight toler Transducer ser 90 92 Transducer series 02 Stroke 2mm Stroke 2 3 2 1mm Transducer series 0 Stroke 1mm Coil holder made of brass short or long normal cap nut adjustment by the setting of symmetry and sensitivity Long coil holder made of short coil holder made Stainless steel normal cap nut adjustment by the setting of cable length symmetry and sensitivity from brass notch in cap nut adjustment by lineari zation curve setting of ca ble length symmetry and sensitivity VMF 2000 Operating Instructions VMF2000_e rev_00 FRIEDRICH VOLLMER Feinme ger tebau GMBH D 58093 Hagen Verbandsstra e 60 amp 49 0 2334 507 0 Fax 507 199 ances might use other gauge blocks They were set at the factory and are stored under G Block 2 in the memory of the VMF 2000 Sum Single Measurement Sum measurement means that two LVDT transducers installed in a C shaped measurement frame are measuring e g a strip simultaneously from the top and from the bottom side T
8. ctor at the VMF end Extension cables for trans ducers of the series 90 92 and 02 have a 6 pin Tuchel connector at the VMF end Notes for transducers of the series 02 Series 02 transducers come with a linearization curve which needs to read into the VMF before the adjustment to the transduc er can start The procedure is described in the transduc er service manual The curve needs to be read in anew when a new transduc er or anew VMF is installed into the system The VMF needs to run under the software version 3 30 or newer General Any Vollmer gauge using two LVDT transducers measuring in sum re quires a regular check of transducer symmetry If new electronic trans ducer parts or an entirely new transducer has been installed into the gauge the transducer requires complete sensitivity and symmetry adjustment The amplifier VMF 2000 provides almost entirely automatic adjustment settings so that measurement accuracy may be quickly checked at any time Adjustment of the VMF 2000 to LVDT transducers of the series 02 90 and 92 requires a 070 1800 um gauge block Transducers of the series 90 and 92 have a measurement stroke of 2 mm and they can be recognized by their extended coil holder of stainless steel Their extension cables have a 6 pin Tuchel connec tor at the VMF end Transducers of the series 02 have a measurement stroke of 2 3 2 1mm 080 resp 090 and they can be recognized by
9. e defective fuses only with absolutely identical fuses consider cur rent values as well as type Protect yourself against electric shock Do not change any connection in the product and never touch live components Do not perform any manipulations on this product not described in this manual Wrong handling might cause hazards for the user and it termi nates the instrument warranty period This product may only be used if it is in a technically perfect condition Any changes or defects which might affect the safety must be eliminated before the product is put into operation Expose this product only to such environmental conditions as it is de signed for Stick to the notes in the technical documentation This prod uct is not designed for use in wet environments Never operate this product if any cover is open Before putting this product into operation and regularly during operation check this product for damage Defects of all kinds must be eliminated at once by authorized service personnel The use of original spare parts and of additions from the manufacturer reduce the security hazard Check all connections regularly and replace defective parts immediately VMF2000_e_rev_00 Operating Instructions VMF 2000 3 measuring controlling recording automation documentation Notes All transducers have 5 pin Cannon connectors Extension cables for trans ducers of the series 0 have a 5 pin Tuchel conne
10. elow that means they require new adjustment only when the values are changed Note Sensitivity adjustment is required as absolute necessity only on applications that utilize electronic nominal setting i e for such transducers which are not mechan ically set to nominal size On gauges with mechanical nominal size setting the analog indicator will indicate correctly with sensitivity adjustment as well as without it The digital thickness in dication however may indicate different results if the sensitivity is not set correct ly Therefore in order to avoid misinterpretation it is recommended to adjust the sensitivity regardless of the way of nominal size adjustment Sensitivity adjustment step by step press CONFIG on the rear panel of the VMF amplifier to get into the menu press Fl or F2 to step through the menu to G Block press G Block 1 appears if value is not zero then press key to select one digit after the other and use A or T to set figures to Zero press F2 G Block 2 appears set to 06000 or 1800um for trans ducers of the types 02 90 and 92 set to 03000 or 800 um for trans ducer types 0 press Fl G Block appears press F2 sensitivity appears press once G Block 1 and 0 00000 appears press for a second time a row of dots appears bottom right in the display then G Block 2 appears now insert a slip gauge block of the size of G Block 2 06000 or 1800um
11. fore opening the VMF Danger to life Above the main power connector is a small plastic rack When the plug is pulled off the connector use a small screwdriver to open the rack at the top see arrow and flip it down The take out the small roll inside and turn it into such a position that the correct volt age in the photo it is 220 VAC is pointing to the outside Close the rack again Re After checking of the main power voltage setting insert all connectors and fasten them properly to the sockets in the amplifier Switch on the amplifier at the mains switch 0 I The digital display will indicate the following messages the amplifier type VMF 2000 the software version e g Rev 3 46 and Check The VMF 2000 performs an internal self check during the start up and after a few seconds it is operational The display indicates S 0 0 on the left Digital and analog indicator show the current measurement value To replace a fuse Pull off the main power connector Open the small rack mentioned above and flip it down Now two fuses are visible The left one is a spare the right one is in operation Replace defective fuses only by fuses of the same type 5 x 20 mm 630 mA T slow 6 VMF 2000 Operating Instructions VMF2000 e rev 00 FRIEDRICH VOLLMER Feinme ger tebau GMBH D 58093 Hagen Verbandsstra e 60 49 0 2334 507 0 Fax 507 199 Select analogue indicator sensitivity The two
12. hen adjust the transducers until the VMF in dicates near zero then adjust the digital or mechanical counter or the scale ring to zero without altering the position of the transduc er finally press followed by F1 to set the amplifier to zero Nominal size selection A nominal size selector optional see photograph below compensates the signal of the measurement transducer in such a way that the selected nominal size is shown as a 0 The nominal size is selected in 00001 or microns and then digitally trans ferred to the VMF by pressing the button Nom Size Read In set thumb wheel se lector to nominal size press button Nom Size Read In to trans fer the nominal value to the VMF If the nominal size is VMF 2000 e g 030 800 um a 030 800 um thick strip will be indicated as zero but if it is 0302 802 um thick the measurement result will be 0 00020 2 um VMF with main switch thumb wheel nominal size selector and push button for nominal value transfer VMF 2000 Operating Instructions VMF2000 e rev_00 FRIEDRICH VOLLMER Feinme ger tebau GMBH D 58093 Hagen Verbandsstra e 60 Symmetry adjustment Transducer symmetry should be checked regularly Semiautomatic symmetry adjustment Set nominal size to zero and read in nominal size resp adjust trans ducer by motor to nominal size Press CONFIG on the rear panel of the VMF amplifier Use Fl or F2 to step through
13. his provides high accuracy measure ments even on vibrating strip Single measurement means that only one LVDT transducer is installed in the C frame The other side is supplied with an adjustable fine adjust ment micrometer Single transducer measurement left and sum measurement right Either one trans ducer B measures against a micrometer fine adjustment A or two transducers are installed in the measurement frame C The difference is obvious With sum measurement two transducer signals are added in the VMF amplifier while single transducer measurement gen erates only one signal Symmetry adjustment eliminates the linearity differences of the two trans ducers Sensitivity adjustment is the procedure used to set the input signal level of the transducers into the VMF amplifier This adjustment compensates for the tolerances of the electronic components so that the transducer signal is linear along the entire measurement stroke VMF2000_e_rev_00 Operating Instructions VMF 2000 5 measuring controlling recording automation documentation Commissioning Safety precautions Check if the voltage selector is correctly set to the voltage of the main power before con necting the VMF to mains Connecting the VMF to a wrong main pow er voltage may damage the instrument and may expose the operator to an electric shock Danger G 5x20mm T 630mA rn Disconnect mains be
14. o toggle between the four digits after the four numbers were entered press Fl Block appears press T to confirm locking gt 0 lt appears This feature allows to deactivate the manual zero set ting This is recommended for gauges with AO or with stepper motor control If you want to allow manual zero setting do not confirm with Y but use Fl or F2 to flip through the menu towards Save Or press T to deactivate manual zero setting press Fl or F2 to flip through the menu towards Save press yes appears press T to confirm the display shows yes and finally save press result to quit the CONFIG mode S 0 0 indicates that the amplifier has saved the new configuration permanently and has the switched back to measuring mode Unlock menu step by step press CONFIG on the rear panel of the amplifier in order to enter the menu use Fl or F2 to flip through the menu to Lock press CODE 0000 appears use Aor T to set the figure for the first digit press key to get to the following digit use A or to set the correct figures after the four numbers were entered the menu is unlocked use F1 or F2 to flip through the menu towards the selected option 12 VMF 2000 Operating Instructions VMF2000 e rev_00 FRIEDRICH VOLLMER Feinme ger tebau GMBH D 58093 Hagen Verbandsstra e 60 49 0 2334 507 0 Fax 507 199 Tolerance setting VMF 2000 amplifiers have an integrated
15. resp 03000 or 800 um between the transducer tips press for the third time a row of dots appears bottom right in the display and the amplifier then automatically switches back to the meas urement mode remove the gauge block from the gauge normally the zero point will not be correct as the stored zero is elim inated during the sensitivity procedure Zero the value by pressing and then F1 sensitivity adjustment is then finished VMF2000_e_rev_00 Operating Instructions VMF 2000 11 measuring controlling recording automation documentation Note If the code for unlocking was lost call the Vollmer company to get a main code which allows to unlock the menu despite of the lost code Lock and unlock menu Save configuration In order to save the new setup values permanently when the amplifier is switched off it is recommended first to lock the menu and then to save the new configuration settings Due to the lock the amplifier settings cannot be erased or altered acci dentally or by unauthorized persons The saving stores the configuration permanently after power off and in case of a power breakdown Lock menu and save configuration step by step press CONFIG on the rear panel of the amplifier in order to enter the menu use Fl or F2 to flip through the menu to Lock off press CODE 0000 appears use Aor to set figures 1 through 9 for the selected digit press key t
16. tched off This is because the original tolerance limits in the amplifier are stored for safety reasons When the amplifier is switched on the old values will come up again However the new tolerance limits remain stored if the new configura tion is saved before the amplifier is switched off VMF2000_e rev_00 Operating Instructions VMF 2000 I3 measuring controlling recording automation documentation Adjustment to individual extension cable length Note This adjustment is only available for transducers with a stroke of 2 mm se ries 90 and 92 and 2 3 2 1 mm series 02 Such transducers and their ex tension cables have 6 pin Tuchel connectors The extension cables of transducers with a stroke of 1 mm series 0 have 5 pin Tuchel connectors at the VMF end they do not use the pin which is con nected to the length selector switch The cable length selector switch is not uti lized for such transducers therefore it is set to zero Swap replace elongate or shorten cable only after having discussed this with Vollmer Cable length can be set by the small selector switch beside socket X3 on the rear panel of the VMF amplifier Extension cable length up to 15 m gt setting 0 Extension cable length 15 m gt setting 1 Extension cable length over IS m gt setting 2 Extension cable length over 35 m gt setting 3 Extension cable length over 45 m gt setting 4 Selector switch for
17. uli VMF2000 e rev_00 Operating Instructions VMF 2000 49 0 2334 507 0 Fax 507 199 measuring controlling recording automation documentation cally Start the pneumatic operation of the transducer rams by switching sym to on Both switches are inside the pneumatic or the electronic cabinet This function can also be called up vie the OP77 control unit Note The sensitivity must be adjusted after the symmetry adjustment ann j 2 10 SS N ee N Aw at iy a mih 1 um In H i if at j os ER ae ks 3 VMF 2000 RESULT av START us Lam De Seling Configuration A Catalog Y Position Dat 7 Front of the VMF 2000 Analogue indicator for the meas ured deviation digital indicator for the absolute value dual key functions selectable with the center key Vierk Mrs By Yy VA Em KONFIG CE G 5x20mm T 630mA Rear panel of the VMF 2000 Transducer inputs X2 and X3 CONFIG uration button and interfaces for PC printer re corder and remote control 10 VMF 2000 Operating Instructions VMF2000 e rev_00 FRIEDRICH VOLLMER Feinme ger tebau GMBH D 58093 Hagen Verbandsstra e 60 49 0 2334 507 0 Fax 507 199 Sensitivity check adjustment In order to ensure correct calibration sensitivity should be checked reg ularly and after any service on the gauge system The settings for G Block 1 and G Block 2 remain stored after saving see b
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