NP-30 OPERATING INSTRUCTIONS
Contents
1. 101 250 E I I Zanne iskra PO Cas z ooo 2 2 m acs D ORE OD Er ED ES 9 OGO i 60 205 T Mounting dimension M5 P Panel Build in version Panel mounting dimension 244 0 5 x 145 0 5 Sheet thickness 1 6 mm max E e E 3 NP 20 inch Iskra 150 iD aa calc D E 5 EO 147 5 101 NP30_vqsystem doc edition April 2004 page 6 T Tabletop version 250 aiee isra PD COIR 2 gt ED CBCD ce lm COD o owo 2 CD CA DD z D GQ Pa B aSo N 205 Mounting dimension M5 7 C Console version 250 25 Supply Unit a Power supply output 5V i Ea Ne 20 Iskra m ECA AN C O Cee DA O e o ORE D a D pa 5 a Power supply input 100 250V l ye Pe Power switch ON OFF 50 Pe re P E 05 6 4x2. Structure of serial data and baud rates Baud rates is set by parameter P7 Possible baud rates are 300 600 1200 2400 4800 9600 Data is recieved and transmitted in following data format 1start bit 8data bits 1stop bit nc parity gt Stop bit gt 83 data bits gt Start bit NP30_vqsystem doc edition April 2004 page 32 Data transfer command and output shapes Transfer of label data This transfer can be initialised e by typing keys lt P gt lt ENTER gt on the NP 30 keyboard or e by sending a CTRL B ASCII character hex code 02 through RS232 channell After initialisation NP 30 will send a following data message start with CR and end with number of LF which is define in parameter P8 gt Number of datum point gt Actual position on display gt Choosed mesurment unit mm or inch amp Choosed mode of mesurme nt relative rel or absolute empty eo 7 Choosed halving function Transfer of current position This transfer can be initialised e by sending a CTRL H ASCII character hex code 08 through RS232 channell e By touch of touch sensor option TS if parameter P13 is set to 1 After initialisation NP 30 will send a following data ENE EE A LA I AAS PI L EI Nea ee E gt Preambula Actual position of X axis and mode of measurment R Actual position of Y axis and mode of measurment gt Actual position of Z axis
3. 0 5um 0 4 005 01 10 20 um ium 0 3 001 01 5 Sum 0 3 005 01 1 ium 0 3 001 01 10 40 um 2um 0 3 002 01 5 Sum 0 3 005 01 2 10um 0 2 001 01 1 lt P02 A inc gt Weight factor for additional auxiliary axis The position of entry X Y or Z display define to which main axis auxiliary axis will be added lt P0Q3 Lin c gt The linear correction factor Values from 65535 to 65535 are admissible The entered value represents the coefficient in particles per million particles with which the device corrects the measured value before indicating it Xaisp Xmeas 1 P03 10 Xdisp eroe piriniar displayed value compensated X meas dainai measured value POS i vecacediahaacadartetaes Value of paraOmeter 3 The zero of the correction line is set by the device in the last written position PRESET RESET absolute position entry by means of RI relative position entry by means of key REL PRESET Correction line y pow 1 00 Xp 100 00 199 00 xq indicated N pees 0 00 100 00 200 00 X measured EXAMPLE The last written position is Xp 100 00 mm P03 10000 this corresponds to 10000 particles per million particles i e 1 X4 X X X POS 10 Forx 0 x 0 0 100 10000 10 1 00 For X 200 x 200 200 100 10000 10 199 00 Usage of linear compensation is recommended e for older machine with bende
4. Cooo 0d oo o Pin signal 1 5V 2 6 7 8 9 NC 3 4 5 Touch probe D 5V OV It is important to assure that touch probe sgnal in point of cotact have no oscilation In the case if oscilation occures use proper filter Point of contact Point of contact E NP30_vqsystem doc edition April 2004 page 30 5 5 2 Operating description In position measuring DRO freeze hold on the display the position of touching in the background position is followed until the touch probe is in contact with the workpiece When toch sensor is moved away from contact the display of selected axes follow the position During position measuring is possible to toggle betwen abs rel 1 2 and to activate print function PROCEDURE NOTES Enter in the touch probe measurment function Measuring unit indicator pulsating x Y 2 Select the axes Indicator in selected axes is pulsating gt v With touch probe make contact to workpiece 5 Indicator of selected axes flashing position display freese contact position until the touch probe is in contat If P13 is set to 1 in point of contact position output over a serial channel v When the touch probe is in contact is possible 7 89 y y e preset absolute position of contact 4 5 6 int Se gt 2s 1 point z 12 oa Ea print out measured position e goto relative mode e start halving function When touch pr
5. position display in absolute system POX eee value of parameter P9x Datum point s shift of coordinate origin can be used for processing an identical work piece at several different working locations e Preselecting some points in the absolute coordinate system The position of datum points DP1 DP9 depending on the absolute starting point is determined by setting for each axis separately the P101 P199 parameter values Datum point can be set by position preset or by datum point offset value entry in corresponded parameter The datum point DP0O has always the X 0 Z 0 value meaning that it is situated in the starting point of the absolute measuring system When the absolute coordinate starting point is shifted to some other point the datum points are also automatically shifted by keeping the same relative position depending on the starting point as they had before 5 2 7 1 DATUM POINT SELECTION Pressing the key DP and the appropriate number to select the datum point K 26 000 k 20 000 i 10 000 kK 10 000 f 20 000 k 20 000 Zpp2 Z 20 000mm X 8 gt If corresponded parameter P9X of datum point DPX is not defined empty after selectior of datum point is done position display s will show dPOX __ When datum point is selected indication ref is switch off and information about calibr
6. Rel indications light steady position display s is set to 0 000 Entrance into the relative mode Axis indicator light steady Choose the axis which will be position by distance to go mode Decimal point on last typed digit pulsate Type in a target absolute position Position display shows typed numbers Distance to target position is displayed Confirmation of typed target absolute position After confirmation distance from current to target position is shown No number on the axis display Deleting of typed numbers due to typing failure or other reason Old relative position Abandon of target absolute position preset Device is set to relative mode Distance to target position is shown Driving toward zero value on the display Displayed position on selected axis is zero Target position is reached Rel indications switch off target absolute position is displayed Device is toggled to Absolute mode Target absolute position is displayed Device is set to absolute mode X axis is selected NP30_vqsystem doc edition April 2004 page 27 5 5 AXIS FEEDRATE MEASURING MODE In axis shift velocity measuring mode position displays shows axis shift velocity The velocity is indicated in m min or in inch min depending of the selected measuring units mm or inch This mode is useful for settings of optimal and repeatable turning conditions
7. 20 504 2 c ss tees ionn a ia as 32 7 FAILURE DIAGNOSTICS 22 0055 cdec eas chceds paeron aotainn adasa aaa ae aoaiina 34 8 TECHNICA D DA TA a e a aa ee ee Nee ceed 36 NP30_vqsystem doc edition April 2004 page 3 1 SCOPE OF DELIVERY Position readout NP30 for 3 1 axis milling machines Designations VERSIONS OPTIONS oh WwW a 3 3 2 3 5 a Sw 5 2 a gt S Fla g o SISE Oar EIR S 3B 2 asil g saea e 8 5 a 5 amp oo o 5 D20 n Ss cis ee 3 3 Be 5 ke 8 37 a zm 3 5 n a lt E 7 NP30 X XX XXX X X X XX X S DS SM B Q K TS R C SI LM1 possibillities T SV LM2 P V Short description of versions Type of housing e S stand alone box e C display panel on console with separately power supply e T Table top version e P panel mounting version e V display panel on console with integratedO power supply Input measuring signal from encoders e DS square wave RS 422 signals e SI microcurent sine vawe 11uA signals e SV diferential voltage sine vawe 1Vpp signals Type of power supply e SM switch mode power suply 100Vac 250Vac e LM1 linear mode power suply 110Vac 10 e LM2 linear mode power suply 230Vac 10 Short description of options e B NP30 is equiped with additional HW In the case of power failure the position in the moment of power loose is stor
8. Ss L 150 200 450 l 255 4 263 4 NP30_vqsystem doc edition April 2004 page 7 V Console version H ne 20VQ system ka GAS D OD ES D Cee ORD oao DIAE 150 CIC 125 0 H 20 5 32 10 250 114 Clearance of at least 120 mm has to be provided for accommodating the electrical connections at rear of the device NP30_vqsystem doc edition April 2004 page 8 3 2 FRONT SIDE and REAR SIDE Grounding screw M4x5 Power supply input Auxiliary axis input TS or RIE connector Fuse _ Power switch 20000 O oo00 JO 00000 Inch indication Mmindication Rs 232 conn Identification label Z axis input Y axis input X axis input ke Absolute relative ke Reference Mminch key abs mm Lae 1 2 indications Reference indications Axis display Relative indications Avis reset keys Axis keys ENIERkey Pkey DP key DELETE key NP30_vqsystem doc edition April 2004 page 9 3 3 CONNECTION Correct connection of the device and of the measuring system are very important for reliable operation e
9. When velocity mode is selected it is valid for both axes Abandon of this mode is done by key DELETE a x Lam Peete os ve 250 000 i ood E 20 000 Z C oo ama Position Feedrate Velocity 5 5 BOLT HOLE FUNCTION Purpose of this function is suport to machinist when bolt hole sample should be machined First step is entry of neccecry data center point radius angel of first hole and number ol holes Next step is positioning to target positions for holes Y A x3 y3 ay ore GD x1 y1 fi Q x12 y12 g ory agii g i x8 y8 x10 y10 x9 y9 Xcenter R e kd xy NP30_vqsystem doc edition April 2004 page 28 PROCEDURE NOTE PODE Entrance into the bolt hole function X E E w 7 8 9 FZ NP30z ask operator to enter the position of center of Hew BEMtEr ET bolt hole circle X Y and depth of drilling Z i pog Number is typed over the keyboard and confirmed W2 DAR P umber is typed over the ey oard and con ime Z DePth 6 gt by key ENTER In the case if data were entered in 5 the past they are alternately displayed They can x f x be changed or not z T NP30 ask operator to ente
10. 2 1Preset of absolute POSItiON 0 cece eee eee e eee eee eeeee teeta tees ea eeneees 21 5 2 2Reset of absolute positions cc eeeeeee eee ne eee eee eee ee eeeea tensa eeeeaees 22 5 2 3 Mm inch Switching OVer ceceeeeeneeeeeeeee esate eee eeeeneeeeeea eee eaeees 22 5 2 5 Halve of measured value in Z AXiS eee eee ereere 23 5 2 6 Freeze of absolute position ceeeeeeeeeeeeeeee eee ee eee eeeen seen innen 23 5 2 7Datum points dp0 dp9 ceeeeeeee eect eee teeta ee eee ee eee eeeeeea teen eeneees 24 5 2 7 2 Datum point Selection cceeeeee eee eeeee eee ee eee ee eee eeeeneneed 24 5 2 7 3 Setting the datum points by position enter eeeeeeees 25 5 2 7 4 Datumpoints setting by manual parameter entry 4 25 5 0 Relatlve Mod 520 Peceseccsach secs E ne deadaennne teed deve EES ES 26 5 4 Distance to gO MOCE ccc ce eect ee teen e eee ee eee ee een eeeea teeta eneees 27 5 5 Axis feedrate measuring MOdE 0 eee errr eee ee nO 5 6 Bolt hole fUNCtION 0 cece eee e eee e eee e teeta teen ee eea teeta ee neeanenees 28 5 7 Touch sensor function cece eee ee eee tence ee eee eee eeeeeeeeeeenenenenees 30 5 7 1 Input touch probe Signal cc ceeeeeeeeeeeeeee eee ee eee eeeeeeneeeeeeees 30 5 7 2 Operating description oo eee cece ee eee eee ee eee eee eee eee eeeeeaaaaes 31 6 SERIAL DATA TRANSFER
11. Standard reference mark DCR reference marks Distance Coded Reference Note that in the case if DCR is choosed that interpolation factor P17 and weight factor P1 should be sinchronised lt P17 FACt gt Define interpolation factor for main axes PITE T ini interpolation factor is 1 PAT S2 eya interpolation factor is 2 PU S53 wus interpolation factor is 5 PU 2 10 hararese interpolation factor is 10 Scale s Possible display P01 P17 pitch resolution 0 5um 0 4 005 01 10 20 um tum 0 3 001 01 5 5um 0 3 005 01 1 um 0 3 001 01 10 40 um 2um 0 3 002 01 5 5um 0 3 005 01 2 10um 0 2 001 01 1 lt P18 AFAC gt Define interpolation factor for auxiliary axis 4 2 ENTRY OF TECHNOLOGICAL PARAMETERS NP30_vqsystem doc edition April 2004 page 17 Technological parameters are entered into permanent memory in the same way as the machine parameters except that it is not necessary to enter first the protection code PO 3 14 lt P70 StEP gt Defines the increment for lt P90 rEF gt Reference value for X Y Z axis In the auxiliary axis the 0 value is assumed automatically Reference value represent a distance in position or angular units from ot absolute zero point and reference point on the linear or rotary encoder Reference point in Z axis A Ref value in Z axis Reference point in Y axis Y Zt Ref Value 4 _ in Y axis 0 lt Ref value
12. To which main axis is auxiliary axis parallel is defined by parameter Axis displays indicate the absolute or the relative position When the relative mode is selected in one or in both axes the related indicator REL is lit In the relative mode it is possible to measure depending on the relative zero which can be selected by pressing the key REL in the current position Incremental linear or rotary measuring transducers with square or sine wave measuring signals are used for position measuring Built in monitoring functions assure reliable operation assistance at work and easy troubleshooting of eventual errors in the measuring system or during the operation If an error occurs a message appears on the appropriate display indicating the cause for the error e g pressure on a wrong key lt Err type gt exceeded max Movement speed lt Err 1 gt undetermined parameter lt Err PAr gt etc The messages are deleted and reception acknowledged by the key DELETE Position readout NP 20 is optionally equipped with battery backup system This system assures in the case of power failure storage of absolute position in the moment of power failure When the power is set readout shows the last absolute position before power failure 3 INSTALLATION AND CONNECTION OF THE DEVICE 3 1 EXTERNAL DIMENSIONS AND FASTENING NP30_vqsystem doc edition April 2004 page 5 S compact table version
13. is recommendable especially when the installed EPROM circuit is replaced by a new one i e by another software version The following diagram shows the procedure for calling monitoring and entering the parameters in different modes of selection by entering the machine parameter P0 2 56 PROCEDURE DISPLAY X NOTES Parameter selection Sa CE N e a al nee ee P00 codE Alternate designation value display Dashes for codE_ empty parameter De Value selection right point is flashing POO codE Value entry alternate indication of designation 2 56 and parameter value PO1 Incr Switchover to next parameter E2 Abandon of parameter settings or reviewing Having entered the protection code continue entering the remaining machine parameters When you have set any parameter by pressing the key ENTER the next parameter appears on the display In case you do not want to set or change it press the key ENTER in order to choose the following parameter For direct selection of a particular parameter press the key P and enter the parameter number e g P 090 In case of a typing error press the key DELETE and start again the entry lt P01 Incr gt The counting direction the measuring mode the number of decimal places and the weight factor by which a measuring increment affects the last digii in the X or Z displays NP30_vqsystem doc edition April 2004 page 13 The weight factor is a fraction with any two or three digit whole numb
14. nd m fm rment gt Choosed mesurment unit mm or inch alum point 7 FAILURE DIAGNOSTICS With a purpose to assure stabile safety and accurate operation of measuring system on the machine tool NP30 device is equipped with several diagnostic functions NP30_vqsystem doc edition April 2004 page 33 Failure diagnostic functions in the case of any irregularity in operation of NP30 or periphery units which are connected to it linear or rotary encoders warn the operator by message on the position display s Proper procedure when warning message is displayed will avoid expenses caused by improper machining and simplify repair or maintenance operation After switch on during initialisation procedure for approx 0 5 sec all segments of light elements are switch on with purpose to recognise if some light elements is out ol function lt Err tyPE gt lt Err 1 gt lt Err 2 gt This message is displayed if operator type a command which can t be executed or which is out of sense Example NP30 is set to axis shift velocity mode operator press the key REL message Err tyPE will be displayed and disappear after 1 second Two neighbouring edges of input signals A and B are to close together This message can be caused by e Exceeding of maximal axis shift velocity e Influence of Electromagnetic disturbances on measuring system or any of its component linear or rotary encoder DRO e Linear en
15. po in X axis Reference point in X axis In the case if Distance coded reference is used Reference value represen a distance in position or angular units from zero point of absolute zero and 1 reference point on the linear or rotary encoder lt P91 dP01 gt Coordinates of the datum point DP1 in the X Y and Z axis lt P99 Dp99 gt Coordinates of the datum point DP9 in the X Yand Z axis 5 MEASURING FUNCTION NP30_vqsystem doc edition April 2004 page 18 NP30 can be set in different modes of operation performing the proper measuring functions or settings The conditions which cause transitions between different modes is shown in diagram bellow Relative mode Reference mode Se Calibration g Switch on Calibration procedure finished Distance to go mode Absolute mode e LEL lt Feedrate measurment Selected mode in which NP30temporary operate is marked by indications on the display according to table bellow Parameters settings and reviewing BOLT HOLE function Indications Mode Calibration status Ref X Y Z Rel Off Off Off Absolute Calibrated Off On Off Absolute Calibrated Off Off On Relative Calibrated Off On On Relative Calibrated On Off Off Absolute Non calibrated On On Off Absolute Non calibrated On Off On Relative Non calibrated On On On Relative Non calibrate
16. ND REAR PLATE OPERATING ELEMENTS NP30_vqsystem doc edition April 2004 page 36 Grounding screw M4x5 Power supply input Auxiliary axis input Fuse TS or RIE Power switch connector p gt oe 90000 O oo00 JO Iskra _TELA Mode v o0000 G Z axis input Rs 232 conn Identification label Y axis input X axis input Inch indication Nurrerical keyboard Mmindication Absoluterrelative ke mm inch Y ref veld Z ret Ye rela Reference indications Axis display DP key Pkey 442 indications Relative incications Avis reset keys Avis keys DP key DELETE key Axis indications NOTES NP30_vqsystem doc edition April 2004 page 37 NOTES NP30_vqsystem doc edition April 2004 page 38 NP30_vqsystem doc edition April 2004 page 39 NP30_vqsystem doc edition April 2004 page 40
17. NP 30 OPERATING INSTRUCTIONS NP30_vqsystem doc edition April 2004 page 1 Copyrights 2003 Iskra TELA d o o Printed in Slovenia 2003 NP30_vqsystem doc edition April 2004 page 2 CONTENTS T SCOPE OF DELIVERY ipinia a a a hha de ee anda 4 2 GENERAL DESCRIPTION i323 04 lt ccctheSerihise setter Ribas ates zeus icin needekisass 5 3 INSTALLATION AND CONNECTION OF THE DEVICE 6 3 1 External dimensions and fastening eeeeeeseeesneeeeeneeeeseneeeenaeeeseneeeeeaees 6 3 2 Front side and rear Side cccceccceeeeseeeeseeeeeeeeeeceeseeneseeenseseeesedeensneneenensees 9 33a CONMECHON cee RAE E A ttl cess te EEE E EE E visite E 10 34 Connector S aa a a a a at aaa e a oaaae aea aa a eaea 11 4 ADJUSTMENT TO THE MACHINE 0 0 cccecceeeceeeeeeeeeeeeeeeeeeeeeaeeteeeeeeeeeeees 13 4 1 Entry of machine parameters eesceesseeeeenneeeeneeeeeeaeeeesneeeeeneeeeeeeeeneaes 13 4 2 Entry of technological parameters cceeeeeeseeeeeeeeeeesneeeeeneeeeenneeersaeeeea 18 5 MEASURING FUNCTIONS ccceeeeeeeeeeeeeeneeeeaeeseeeeeaeeseaeetaeeseaeessaeeeaeenaas 19 5 Reference modes accident 20 5 1 1 Calibration of absolute position with reference mark cesseee 20 5 1 2 Determination of reference value with reference pulse secese 20 5 1 3 Manual entry of reference values in the p90 parameter 20 5 2 ADSOIULE MOG i208 ct ena lece etn Peete edn ene deste i A martes 21 5
18. NP30z to the mode which was set before failure happened See diagram PROCEDURE DISPLAY NOTE Pass over a reference mark Err 2 Absolute position during current pass over the message reference mark is different then during appears on the previous pass failed axis On the position This number is difference in increments display of failed between absolute position and previous axis number is position shown NP30is set to mode which vas selected before Position display failure happened Position displays shows shows position position Old absolute position in failed axis is lost If axis was calibrated it became non calibrated FNT lt Err 3 gt A damage of one or multiple memory cells in internal structure of E PROM The parameter storing is not stable This failure can be caused by too often changing of parameters value gt 150 000 During normal operation calculated lifetime for internal E PROM is more then 41 years lt Err 4 gt Counting logics error This failure can be caused by e Settings of parameter P02 to any value if NP30 is not equipped with option Q or Z auxiliary axis e Break down of electronic component s lt Err 5 gt Break down of internal RAM circuit lt Err 6 gt Calculating error exceeded max arithmetic value lt Err BAt gt NiCd battery loose a ability to store the energy Readout is not able to store the position in the case of power down Battery should
19. ation status is hidden All settings mm inch R D will stays the same as in previous datum point except axis selection which through any transitions became deselected Z 20 000mm Xpp2 5 2 7 2 SETTING THE DATUM POINTS BY POSITION ENTRY Datum point s offsets values of parameters P9x can be set by position presel procedure if position preset is done when datum point is selected NP30_vqsystem doc edition April 2004 page 24 The device automatically calculates the corresponding parameter values of the datum point and enters them into the memory 7 ma A gt P fmi R x i 7 8 9 K ret 9 ann G 20 000 a516 amp 0 000 f 20 000 Zot iia 20 000mm Z 20 000mm y d XDP1 PROCEDURE DISPLAY NOTE Device is set to absolute mode datum point 1 no axis is selected Axis indicator light Choose the axis in which you like to x steady preset new absolute position gt 4 Axis indicator light 7X619 steady On numerical keyboard type the 4 56 Decimal point on required new absolute position last typed digit pulsate New position is Confirmation of new DP 1 position The displayed previous offset of DP 1 is lost The new datum point offset is calculated and entered in P101 parameter No number on the Deleting of typed numbers due to Z axis display typing failure or other rea
20. axis in which you like to steady preset new absolute position Axis indicator light steady On numerical keyboard type the Decimal point on last typed digit pulsate required new absolute position New position is Confirmation of new absolute position displayed The old absolute position is loosed No number on the Deleting of typed numbers due to axis display typing failure or other reason Old absolute position Abandon of absolute position preset Old absolute position is maintained Device is set to Absolute mode 5 2 2 RESET of ABSOLUTE POSITIONS If the parameter P11 is set to 0 see chapter 4 1 the absolute position of the measuring axes can be directly reset by RESET key of corresponded axes CEN 20 000 NP30_vqsystem doc edition April 2004 page 21 fa 10 000 a E EO0O9 5 0 000 gt Z 10 000mm X gt X Reset of absolute position will cause e loss of old absolute position e if axis was calibrated it will became non calibrate 5 2 3 Mm Inch SWITCHING OVER The units in which the position is displayed can be toggle between metric s and Inch s units by pressure to key mm inch Unit selection is valid for both axes Conversion rate is 1 inch 25 4 mm The status indicator shows selected units After switch on of the NP30 position will be displayed in units which was active before swit
21. be changed This message can be cleared with press to key DELETE Operation with the readout is full functional except a B option lt ErrPAr gt One or several positioning parameters have not been entered display X lt Err SOFt gt Error in the device software 8 TECHNICAL DATA Power supply voltage 100 V 230V AC Network frequency 40 to 60 Hz NP30_vqsystem doc edition April 2004 page 35 Power consumption Ambient operating temperature Relative humidity Protection degree Vibrations Shocks Power cable interferences EM field Electrostatic discharge Safety class Dimensions width x height x depth Weight NOTE Tested according to the IEC standards 20 VA approx 0 to 45 C 5 to 75 54 front plate housing IP 42 rear plate 1 g from 10 to 150 Hz 15g symmetrical 2 5 kV asymmetrical 2 5 kV 10 V m from 27 MHz to 200 MHz 13 kV group 1 according to IEC 348 250 mm x 163 mm x 126 mm cca 2 200 g SINE WAVE MEASURING SIGNALS 11uA Signal amplitude la Ib ceeeeeeeeeeeee 16uA Signal amplitude lri ceseeeeeeeeeeeeeees 2 8uA Phase shift of la and Ib ccsccessessseeeseeees 90 Max signal frequency Interpolation factor 1 eeee 250kHz Interpolation factor 2 ceeeee 125kHz Interpolation factor 5 eeeeee 50kHz Interpolation factor 1 eeeee 20kHz 9 FRONT A
22. bration If reference value have not be entered ref__ is displayed Pass over the After reference mark is passed display starts to display the position reference points on the In the case if auxiliary axis is used first pass the reference in that encoders axis and than in main axis When calibration procedure is finish NP30automatically return to absolute mode 5 1 2 DETERMINATION OF REFERENCE VALUE WITH REFERENCE PULSE It is used when we want to save an already selected absolute coordinate system so thal we can re establish it in case it gets lost when the device is switched off or for other reasons PROCEDURE DISPLAY NOTES Absolute mode position It can be done by turning diameter and then measure known position position it by calliper or micrometer erat eer eee Arey a TE E axes Presetting Use the procedure describe in chapter 5 2 1 position In the case if auxiliary axis is used first pass the Pass the reference reference marks in that axis and after in main axis marks on both axis NP30will inform the receiving of reference mark by sound After passing of reference mark NP30 will be set to absolute mode and reference value will be entered into the P90 5 1 3 MANUAL ENTRY OF REFERENCE VALUES IN THE P90 PARAMETER This mode is generally used only for testing e g when we want to enter the zerc reference value in both axes NOTE Do not enter the parameter for the auxiliary axis as it automatically assumes the zero va
23. ch off a in 0 T J R 2 ty 26 000 4 A 1 0236 k 10 000 ra y 03937 E 20 000 d li 0 7874 20 000mm Z 20 000mm gt e x 5 2 5 HALVE OF MEASURED VALUE Halve of measured value in any axis is purposed to simply find the middle poini between two points along thet axis 20 000 i 10 000 0 000 x 10 000 10 000 tem doc ho 10 000 10 000 K 10 000 20 000 a 20 000 10 000 te 20 000 L 20 5 2 6 FREEZE OF ABSOLUTE POSITION If the parameter P11 is set to 1 see chapter 4 1 the pressure to key will cause freeze of current position on the display Pulsating of proper axis designator on axis status display indicates freeze of proper axis In the back position is followed and following pressure to key RES will release position display 5 2 7 DATUM POINTS DPO DP9 Datum points are used for reversible shifting of the coordinate origin point of the measuring system in one or in both axes When datum point is selected position display will show the position described by following equation NP30_vqsystem doc edition April 2004 page 23 XdisppPx Xdispo P9x XdispDPx position display in X datum point X ispo
24. coder installation alignment is not properly done e Machine guide ways are looseness Message can be deleted by pressure to key DELETE If any other reason except exceeding of velocity caused this message maintenance repair activities should be done This diagnostic function is available upon a special order Position measuring error Difference of Absolute positions during current and previous pass over reference mark in increments is bigger then value which is set to parameter P6 If absolute coordinate system is not calibrated diagnostic is active If value of P6 is set to 0 this diagnostics is inactive If distance coded reference is used this diagnostics is active Possible reasons for this failure e Settings of parameter P15 or P16 define type of reference mark does not correspond to used linear encoder e Use of encoders with multiple reference marks e Exceeding of maximal axis shift velocity e Influence of Electromagnetic disturbances on measuring system or any of its component linear or rotary encoder DRO e Linear encoder installation alignment is not properly done e Machine guide ways are looseness Err 2 message can be deleted by key DELETE position display of axis in which failure was happened will show the value in increments of difference in absolute position between current and previous pass press to key NP30_vqsystem doc edition April 2004 page 34 DELETE will return
25. d Pulse On Off Reference Non calibrated main axis calibration Calibrated auxiliary axis Pulse On Pulse Reference Non calibrated main axis calibration Non calibrated auxiliary axis Pulse Off Off Reference Calibrated both axes calibration Pulse Pulse Off Reference Determination of reference determination value 5 1 REFERENCE MODE If the NP30 is equipped with battery back up system option B after switch on it is set to absolute mode REF indications lights steady indicating that absolute position is nol NP30_vqsystem doc edition April 2004 page 19 calibrated If user like to calibrate absolute position he should by pressing to key REF enter into the reference mode If the NP30 is not equipped with battery back up system without option B the device after a switch on is automatically set to the reference mode Axes indications lights steady indicating that these axes have not been calibrated 5 1 1 CALIBRATION OF ABSOLUTE POSITION WITH REFERENCE MARK Calibration of absolute position requires that device is set to the reference mode and reference value should be entered into the parameter P90 If reference value has not been entered into P90 when device is set to reference mode message ref __ will appear on the display of corresponding axis In that case user should enter reference value by procedure describe in chapters 5 1 2 or 5 1 3 PROCEDURE NOTES Entrance in the reference mode cali
26. d guide ways with purpose of eliminating Abbe error e for usage of angular measurement on the rotary table by means of rotary encoder with purpose to adjust required displayed resolution with encoder s line number and gear ratio of rotary table mechanism In a case if angular measurement on the appropriate axis is selected and linear compensation is different then 0 displayed value can be in the range of 360 NP30_vqsystem doc edition April 2004 page 15 15 Reason for that limitation is to avoid arithmetical error caused by limited number lengths lt P04 A Lin gt Linear correction factor for auxiliary axis lt P05 doff gt When the digits change too quickly the last display digits are shaded P05 0 Shading off P05 1 Shading on lt P06 toll gt Counting error tolerance P06 0 Counting error monitoring is off PO6 1 15 Counting error value in measuring increments that causes device error indication lt Err 2 gt NOTE Counting error monitoring patented by ISKRA is active in the manual mode even when the measuring system is not calibrated by means of the reference value Every time the reference point on the measuring transducer is passed over the device measures the reference value anc compares it with the reference value recorded at the previous passage over the reference point In case the values are not equal and the difference between them exceeds the tolerance P06 the device indicates t
27. ed and establish after power recovery In the case if NiCd battery loose a ability to save a energy message Err Bat is displayed in that case position can t be stored in the case of power down e Q NP30 is equiped with additional encoder s input Position of additional axis is added to one of the main axis defined by parameter e K NP30 is equiped with additional bidirectional 232 Position can be transferred over this channel to printer or PC Initialisation for data transfer can be done over a keyboard or by receiving a command through R amp 232 channel e TS NP 30 is equiped with additional input for Touch sensor communication channell RS NP30_vqsystem doc edition April 2004 e R NP 30 is equiped with additional input for Reference impuls enable signa RIE This signal is usually used for selection of one reference point among many This option is mainly used when rotary encoders are used for linear movement measurment Ussualy RIE signal is realised by simple micro switch see figure bellow fo oo to RIE m connector RI from encore I J J RIE Micro swittch RI ACTIVE 2 GENERAL DESCRIPTION Position can be measured in 3 main axes X Y Z and in an additional auxiliary axis that is parallel to one of the main axis U V W Position value in the auxiliary axis is continuously added to the position of the related main axis
28. el indicator Setting into a relative mode lights steady Operation in Position display follow Position display follow relative relative mode relative position position based on relative origin v rel indicator switch Abandon of relative mode Position off position display display shows absolute position shows absolute based on an absolute origin y position In relative mode is admissible to make radius diameter toggle mm inch conversion anc freeze the position display Reset or preset of position in relative mode set the NP30 in distance to go mode NP30_vqsystem doc edition April 2004 page 26 5 4 DISTANCE TO GO mode Distance to go mode is purposed to simplify positioning operation on the machine tool Operator simply through specified procedure enters the wished absolute position and position display of selected axis show you distance remaining to target position When position display shows 0 000 target absolute position is reached 1 2 rel 20 000 f N y SN 20 000 Into distance to go mode is possible to enter from absolute mode through relative mode we I 0 000 A 20 000 and presetting in relative mode target position Procedure is described in the diagram bellow PROCEDURE DISPLAY NOTE Device is set to absolute mode no axis is selected
29. er ir the numerator and the denominator altogether 5 digits Also the 00 or 000 numbers meaning 100 or 1000 respectively are admissible A B CCC DD Weight factor Define influence of one measuring increments to displayed values Xmeas number of increments DD CCC Number of decimal places Type of measurement 0 Linear measurement 1 Angular measurement In decimal format Counting direction Positive direction Negative direction e Weight factor CCC DD Define the influence of measuring increments to displayed values Xmeas number of increments DD CCC Number of increments counted number of increments From linear or rotary encoder Kinieassetwahatrescgnidaraemansaneied measured value Number of increments DD integer representation of divide value without a rest e Number of decimal points B Define the number of digits on the right side of decimal point Can be any number between 0 and 4 e Type of measurement A Define the type of measurement Oien oei ite Linear measurement E E EST Angular measurement in decimal Format e Counting direction Define the direction of counting when a positive transition of A signa precede a positive transition of B signal EMP ieira s Positive direction EE E EEE EA Negative direction Examples Scale s Possible display P01 P17 pitch resolution NP30_vqsystem doc edition April 2004 page 14
30. he break contact of the switch is used Connector for serial interface RS 232 Connector contacts option K NP30_vqsystem doc edition April 2004 page 11 4 ADJUSTMENT TO THE MACHINE ENTRY OF MACHINE PARAMETERS 4 1 device NP computer printer shield 6 ae iaa M7 RTS TXD 8 CTS Vec A 10k Co 9 TD ae GND viewing the rear plate Connector for Touch probe Sooo oo o viewing the rear plate OONDOAARWNDY OONDOARWN Shield grounding RXD input data reception TXD output data transmission Not connected GND 0 V Not connected RTS output Request to send CTS input Clear to send Not connected Connector contacts 5V NC TOUCH SIGNAL TOUCH SIGNAL TOUCH SIGNAL NC NC NC NC NP30_vqsystem doc edition April 2004 page 12 The device is adjusted to the machine by entering the appropriate machine parameters These values are stored in the permanent non volatile memory until the new values are entered Numbers from P1 to P49 are assigned to machine parameters and higher numbers tc technological parameters Machine parameters can only be set by entering first the value 2 56 PO 2 56 for the PO parameter This is the protection code that protects the parameters against unintentional entry or deletion This code entrance is active until the device is switched off Use the delete code PO 6 28 for deleting all parameters This
31. he error lt Err 2 gt When this message is deleted the device also indicates the value of this difference lt P07 232c gt Define the baud rate for serial communication interface option K Possible values are 300 600 1200 2400 4800 9600 lt P08 n LF gt Define the number of empty lines which are outputs after print out a one message option K Possible values are 1 to 50 lt P11 Hold gt Define the function of key Pi1 0 Key RES will reset absolute position of appropriate axis Pi1 1 Key RES will freeze hold current absolute position of appropriate axis lt P12tSr gt Define the dimension of touch sensor ball option TS lt P13 C tyo gt Define the type of communication in the case of kontakt of Touch sensor TS option P13 0 Data is output only if initialisation is done through keyboard or serial channel NP30_vqsystem doc edition April 2004 page 16 P10 1 lt P15 dCr gt axes P15 0 P15 1 Data is output in short form see chapter 6 in the case ol every touch of touch sensor Define type of reference mark used on the measuring encoders for main Standard reference mark DCR reference marks Distance Coded Reference Note that in the case if DCR is choosed that interpolation factor P17 and weight factor P1 should be sinchronised lt P16 A dCr gt Define type of reference mark used on the measuring encoders for auxiliary axis P16 0 P16 1
32. lue 5 2 ABSOLUTE MODE Absolute mode is basic operation mode of NP 30 In this mode NP30 display the absolute position which can be calibrated or non calibrated if NP30 s set to any other mode of operation it will be returned to absolute mode after specified task in the other mode is performed In the absolute mode is possible to presei NP30_vqsystem doc edition April 2004 page 20 the absolute position reset the absolute position switch over the metric or inch measuring units switch over the radius or diameter position display in tool axis halving the measurec value in longitudinal axis operate in a different datum points or preset datum points value 5 2 1 PRESET of ABSOLUTE POSITION The absolute position of the measuring system can be selected optionally by manually entering the axis position value First select the axis the axis indicators is lit then the position value the right decimal point on the axis display is flashing and then confirm the entry by pressing the key ENTER the right decimal point goes out Preset of absolute position can be done in radius or in diameter K 20 000 eer k 20 000 en 789 ee X 10 000 4 56 10 000 2 res sacar B 10 000 OL R 20 000 Z Z a A Z 10 000mm Z 20 000mm xX DISPLAY NOTE xX Device is set to absolute mode no axis is selected Axis indicator light Choose the
33. mended value for protection elements V R Cc D lt 60 de 1N4004 125 V de 220E SW 2 uF 600V R R C sS 250 V dc 220E 5W 0 5uF 1000V T 115 Vac 220E 1W 0 5 uF 600V 230 V ac 220E SW 0 5 uF 1000V 440 V ac 220E SW 0 5 uF 2000V DC relays Switches Relays and AC motors 3 3 CONNECTORS NP30_vqsystem doc edition April 2004 page 10 Axes Connectors for square wave encoders Connector contacts Shield grounding GND 0 V Signal A Signal A_ Signal B Not connected Signal RI Signal RI_ Not connected 5 V Signal B_ Not connected ZrFASCLTIOMMVOWSY viewing the rear plate Axes Connectors for sine wave 11UA Connector contacts Encoders la OV Ib chase Iri la 5V Ib Iri Viewing the rear plate Sooo oo o OONDOOKRWN Connector for RIE switches i nnector con option R Connector contacts Switches on the machine RIEx RIEy RIEz Not connected 5V Input RIE auxilliary axis Input RIEy Not connected Not connected RIE RIE auxillary axis RIE OMONDOOARWNDN viewing the rear plate NOTE The RIE switches are only required when rotary measuring transducers are used The installation of the switch has to assure that it is only active for the particular reference pulse at which we want to set the reference value the transducer generates one reference pulse at each rotation T
34. obe is released position display i follow position from point of contact By press the key DELETE device is set in DRO 4 mode In DRO mode is displayed absolute position according to preseted reseted touch point NP30_vqsystem doc edition April 2004 page 31 6 SERIAL COMMUNICATION RS 232 Connector on NP30 rear side Connector for serial interface RS 232 i Vec 10k A option K device NP computer printer shield 6 RXD r7 RTS 3 8 TXD viewing the rear plate 4 5 EE CTS 9 ae ees GND Cabels for connection with PC and Printer OONDOAARWNDY Connector contacts Shield grounding RXD input data reception TXD output data transmission Not connected GND 0 V Not connected RTS output Request to send CTS input Clear to send Not connected NP30 RS232 connector PRINTER RS 232 IBM PC RS232 IBM PC RS 232 9 pol D SUB male 25 pol D SUB male 25 pol D SUB female 9 pol D SUB female Pin Signal Color Pin Signal Color Pin Signal Color Pin Signal color 1 GND shield 1 GND Shield 1 GND Shield 1 GND Shield 2 RxD Red 2 TxD Red 2 TxD Red 3 TxD Red 3 TxD White 3 RxD White 3 RxD White 2 RxD White 4 5 GND Black 7 GND Black 7 GND Black 5 GND Black 6 7 CTS Green 5 RTS Green 8 RTS Yellow 20 CTS Yellow 20 CTS Yellow 4 CTS Yello w 9
35. r the radius of circle X 2 TemA angel of first hole Y and number of holes Z Z 415 6 Se ja Number is typed over the keyboard and confirmed OP by key ENTER In the case if data were entered in M the past they can be changed or not x z K i 86 603 P gt w 39 603 Axis displays shows distance to the target positions fy a Y i i b we 50 000 k2 50 000 gt Drive axis X and Y to 0 000 which is target Z 10000 P Hot ni2 position for hole Q When X and Y displays shows 0 000 bore a hole to depth so that Z axis go to 0 000 0 000 Pp 0 000 f By press to key P is possible to see which hole is v2 0 000 P 0 0007 the target and what is the number of total holes z 00 000 H01 _n12 5 By press to key ENTER jump to next hole x A a00 0 00 o Repeat previous step until last hole is not zei ___ 0 000 P positioned We 0 000 f Ne 0 000 a 0 000 H12 End V When last hole is positioned NP30 war operator with proper message on the Z axis Bolt hole function leave by press to key DELETE NP30_vqsystem doc edition April 2004 page 29 5 5 TOUCH SENSOR FUNCTION optionaly 5 5 1 Input touch probe signal When touch probe is in contact then signal is in low level OV When touch probe is out of contact signal is in HIGH 5V level contact In point of contact Probe in contact
36. son Old absolute Abandon of absolute position preset position Old absolute position is maintained a Device is set to absolute mode datum point 1 X axis is selected 5 2 7 3 DATUM POINTS SETTING BY MANUAL PARAMETER ENTRY The entry is similar as for the other parameters Item 4 1 NP30_vqsystem doc edition April 2004 page 25 5 3 RELATIVE MODE The relative mode is useful when machining parts according to drawings where measures are made in relative or incremental manner sketch bellow Absolute position in relative mode is not lost only displayed position when entrance in relative mode is 0 000 Abandon of relative mode will set NP30 in to a absolute mode and position according tc old absolute coordinate system will be displayed labs _ abs _ labs _ abs rel rel rel rel gt pA gt of Relative or incremental dimesioning gt X Absolute dimesioning Pressing to key abs rel does toggle from absolute mode to relative mode Relative mode is indicated by rel indications on the axis status display Procedure is shown bellow PROCEDURE DISPLAY NOTE Device is set to absolute mode no axis is selected Axis indicator light Select the axis which you like to set steady in relative mode If no axis is selected settings to relative mode are valid for all axes Position display of selected axis is set to 0 000 r
37. specially when the device is applied in strenuous working conditions close to power cables inductive load switches etc The following basic rules should therefore be observed during the connection of the device e The housing of the device must always be grounded in the same grounding point as the machine either via the grounding conductor of the mains power supply cable with safety plug or by connecting a special grounding conductor to the grounding screw al rear of the device The cross section of the grounding conductor shall not be less than 1 5 mm and by the shortest route should be connected to main grounding point of a machine lt 1 5mm by shortest way to machine around point am e Cables with measuring and control signals of the device connectors X Z Z RIE RS232 have to be laid as far as possible from the power cables on the machine ano from the other powerful sources of electromagnetic disturbances relays contactors motors transformers switch mode power supply aJ N 2 iskra e Inductive sources of disturbance on the machine or in the environment of the device couplings relays magnetic valves etc have to be choked by parallel connecting corresponding standard choking elements diodes zener diodes RC elements for the DC power supplied elements and RC elements for the AC power supplied elements Recom
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