Operating instructions VRZ 401, VRZ 405
Contents
1. 6 Starting procedure 6 1 Controls Digital display Operating mode displa perating pay Print release with VRZ 405 Front panel Transfer of entry value Keyboard for entry values Reference mark and parameter selection evaluation Tilting stand Clear entry value parameter call and zero reset of display Mains fuse holder Mains voltage selector Rear panel Flange socket Transducer L SN Mains switch j Flange socket with VRZ 405 Malle PAR for V 24 RS 232 C data output and storage 6 2 Switch on of counter The digital display flashes after switch on mains switch at counter rear This signalizes that the displayed value does not cor respond to the last selected datum value due to the preceding power interruption a With initial activation the flashing of the display can be cancelled by pressing the ner ay twice The counter is now ready for setting the operating mode see item 6 3 b With any further activation press er ay once The digital display illuminates flashing of the EF display field requests traversing the refere2. Grating Period Reference mark 10 um 100 um 1 20 um 200 um single Distance coded with 2 10 um 1000 E 20m 1000 E 10mm 2000 GB 20mm 2000 P5 Function of Blinking display key after Switch on Fault o Clears the display and redisplays the yes yes previous value 4 ue display yes yes B Clears the display and redisplays the yes O no previous value Sets the display B to 0 yes O no 4 Clears the display and redisplays the O no yes previous value Sets the display 5 to 0 O no yes 6 Clears the display and redisplays the O no O no previous value 7 Sets the display O no O no to 0 Baud Rate E 150 baud 300 baud E 600 baud E 1200 baud 2400 baud Transfer to memory x grating period Blinking display Function of Q key 6 3 3 Functions Operating modes 6 3 3 1 Nominal Diameter display with VRZ 401 Via parameter O the VRZ 401 can be converted from Nominal display display value corresponding to travel to Diameter display value corresponding to double the travel Exception When connecting encoders with 40 um grating pitch the parameter value PO 1 must principally be set The display value then corresponds to the travel 6 3 3 2 Counting direction Conversion of the counting direction is effected via entry of the value of parameter P1 0 0010 mm 0 0005 mm 0 0000 mm positive 0 0005 mm
3. 8 5 Data format i Do 8 6 Interruption of data transfer 8 7 Data output ease a 8 8 Connection of external units wiring 8 9 Connecting cable 9 Error messages 10 Technical specifications p z 11 Dimensions RE AS N E en MOOFARAWN HH TDOVDOMONNNDWOOATALHSA BON FSSOOCOCDODNUNOD 1 Items supplied HE IDENHAIN counter VRZ 401 405 type as ordered Fuse for 200 240 V incorporated Fuse for 100 140 V in package Mains cable Operating Instructions with Parameter Chart Certificate of Inspection 2 Brief description Outline HEIDENHAIN linear encoders with 10 um 20 um 40 um only with VRZ 401 or 100 um grating period HEIDENHAIN METRO gauges as well as HEIDENHAIN rotary encoders with sinusoidal output signals are suitable for connection The output signals are amplified interpolated within the HEIDENHAIN counter and subsequently counted in accordance with the sign The measured value is displayed via a seven digit 7 segment digital display Owing to the gold coloured numerals the display is easy to read The counters are provided with the following functions Ooo y a VRZ 405 Daoa OO SSS i i sae Functions Zero reset Datum set Reference mark evaluation REF of individua and distance coded reference marks mm inch calculator 3 Notes Counters VRZ 401 405 correspond to protection class of the
4. switch on counter b REF dark press REF gt REF flashes Display stops Display simultaneous traverse reference mark a 6 an Le 7 Display value is now referenced to the last datum set in REF operation 7 3 3 Working without reference mark evaluation REF Some applications provide a fixed mechanical limit stop as reference plane In these cases the reference mark evaluation is not required It can easily be disabled by pressing the REF key twice after counter switch on The reference system can be retrieved by probing the measuring table surface a master piece and zeroing or datum set 16 8 V 24 RS 232 C interface VRZ 405 VRZ 405 is provided with a standard interface V 24 as per CCITT recommendation or RS 232 C as per ElA Standard inputs for the storage command are additionally provided at the same flange socket 8 1 Definition of V 24 interface RS 232 C The following important criteria are provided because units with different signal levels connector layouts etc are on the market as V 24 compatible systems Voltage compatible interface The V 24 interface RS 232 C processes signals with voltage levels Current interfaces e g 20 mA cannot be connected Signal designations and levels Signal Meaning Data signals TXD Transmit Data RXD Receive Data Control signals DTR Data Terminal Ready RTS Request to Send Verification signals DSR Data Set Ready
5. Operating Instructions VRZ 401 VRZ 405 HEIDENHAIN Display Units 2 91 224565 HEIDENHAIN Contents 1 Items supplied 3 ws 5 fad Q oO 2 Brief description Outline _ 3 Notes nee 2 2 4 Installation _ aoe 5 Selection of mains voltage _ eer o e E 6 Starting procedure es ao 6 1 Controls 6 2 Switch on of counter 6 3 Setup functions _ l i g 6 3 1 Parameter entry bo Sas 6 3 2 Parameter Overview _ 6 3 2 1 VRZ 401 6 3 2 2 VRZ 405 6 3 3 Functions Operating modes l 2 6 3 3 1 Norninal Diameter display with VRZ 401 _ oe 6 3 3 2 Counting direction 6 3 3 3 mm inch display 6 3 3 4 Display step 7 6 3 3 5 Setting of grating period normal distance coded reference marks 6 3 3 6 ee with CL key Blinking display 7 Operation E e 7 1 Zero reset ee a pe EA 7 2 Datum set f K 7 3 Reference mark evaluation REF 7 3 1 Storage of datum point z 7 3 2 Retrieval of correlation Plunger position Display value 7 3 3 Working without reference mark evaluation REF 8 V 24 RS 232 C interface VRZ 405 P E A 8 1 Definition of V 24 interface RS 232 C 8 2 Layout of V 24 interface RS 232 C a 8 3 Storage command 8 4 Transfer rate baud rate n
6. 0 0010 mm 0 0010 mm 0 0005 mm 0 0000 mm negative 0 0005 mm 0 0010 mm 10 6 3 3 3 mm inch display The measured value can be optionally displayed in mm or inch Determination is effected via value entry in parameter P2 This is also possible during measuring Display P2 0 25 4000 P2 1 1 00000 INCH illuminates 6 3 3 4 Display step The display step can be either set to depending on the connected measuring system Parameter Parameter Display step for encoders with Nominal Diameter Nominal Diameter only on only on VRZ 401 VRZ 401 P3 0 00002 0 00004 10 um grating period 36000 lines 0 00005 0 0001 20 um grating period 18000 lines 0 0001 40 um grating period 9000 lines mm inch 0 000 05 10 20 um grating period 18 000 36 000 lines 0 0001 40 um grating period 9000 lines 0 0002 100 um grating period 3600 lines 0 0005 200 um grating period 1800 lines 0 001 900 lines 100 um grating period 3600 1800 lines 900 lines Valid only for VRZ 401 here the parameter PO is to be set to the parameter value 1 Diameter display 11 6 3 3 5 Setting of grating period normal distance coded reference marks Encoders with 10 um 20 um 40 um only with VRZ 401 100 um or 200 um and rotary encoders with various line counts are connectable to the VRZ 401 405 provided that they have sinusoidal output signals Via parameter 4
7. 0 Values are halved 12 6 3 3 6 Zeroing with CL key Blinking display Two functions are adjustable via parameter P5 Zeroing with the CL key The counter can be easily zeroed by pressing the key if the parameter value is adjusted to 1 3 5 or 7 With parameter values 0 2 4 6 the t and keys must be pressed Display blinking Display blinking after power interruption or switch on or due to faults can be deactivated Parameter Parameter value Zeroing with the CL key P5 no yes Display blinks after switch on NOOB WN O 13 7 Operation 7A Zero reset 000 000 Counter can be reset to zero at any random location of the travel Press N m SET on il O key gt Zero appears on left of display med moa SET off Pitti Transfer key gt Zero as datum appears on right Went Vac ee Wi of display or if Parameter P5 1 has been addressed z in dispi N ero appears in display upon Pitti Clear key gt release of key 7 2 Datum set Any random number e g the Nominal dimensions can be set as reference 80 001 datum initial value Press gg Enter datum SET on L 4 g g 4 80 00 mm value amp ears on left of displa CLIT nee i k a A CL Clear key for wrong entry a ee y itia t Entry of neg sign after Z datum set if reqd set Transfer key SET off i EEN gi D I merry Datum value e g 80 001 mm 3 150 in a appears on right of displ
8. CTS Clear to Send Logic level Operating level T 3V 15V 5V 15V 0 3V 15V 5V 15V Designations TXD RXD are derived through negative level for 1 Series data transfer The V 24 interface RS 232 C of VRZ 405 transmits data in series Units with parallel interfaces cannot be connected Transfer code The code being used is ASCII with additional Even parity bit This corresponds to the ISO Code with the following exceptions STX end of data transfer 8 2 Layout of V 24 interface RS 232 C Chassis GND TXD RXD RTS CTS DSR Signal GND O V for storage Pin 18 or 25 Storage via pulse control TTLlevel DTR Storage via contact close 17 8 3 Storage command At contacts PIN 18 and PIN 25 the storage commands can be entered via pulse control or contact close for activation of the data output The corresponding O V connection is on PIN 11 Storage via pulse control TTL aktive LOW Storage via contact close aktive LOW _ OV Caution TTL level is valid for the storage commands LOW level Us 0 4 V at king 0 2 mA HIGH level Uzi 2 7 V at leource 20 A 8 4 Transfer rate baud rate The baud rate signifies the number of bits which can be transmitted per second The V 24 interface RS 232 C of VRZ 405 permits the following baud rates 150 300 600 1200 2400 Peripheral units must be able to process the selected baud rate without limi
9. German VDE regulations VDE 0411 and have been built and checked in accordance with DIN 57411 part 1 VDE 0411 part 1 protective measures for electronic measuring units In order to maintain this condition and to assure safe operation please adhere to the notes and instructions as contained herein selectable display step selectable counting direction selectable grating period Maintenance These instructions contain all details required for commissioning and operation of the counters The units are maintenance free In the case of any fault or failure we recommend return of the counter to our works Traunreut or to your local supplier Caution Do not engage or disengage any connectors whilst under power Manufacturer s certificate We hereby certify that the above unit is radioshielded in accordance with the West German official register decree 1046 1984 The West German postal authorities have been notified of the issuance of this unit and have been granted admission for examination of the series regarding compliance with the regulations Information if the unit is incorporated by the user into an installation then the complete installation must comply with the above requirements 4 Installation The counter is designed as a desk top unit For easier readings it can be tilted by approx 14 by means of a collapsible stand The feet of the unit are provided with M5 tapped holes for fixing to a base plate Several cou
10. s exceeded Mains interruption also short time Counter error Reduce measuring velocity only with measuring systems check mounting of measuring with distance coded reference marks system mounting tolerances The error message can be cleared by pressing the REF key once or twice The correlation to plunger machine slide position and display value must then be retrieved REF Zero reset or Datum set see item 7 All decimal points illuminated max display capacity exceeded select datum such that display mm display 999 9995 capacity with full travel is not inch display 99 99998 exceeded aR 405 Par key has been activated before error message clear by pressing cL the data following first command are output ERROR 2 external unit not ready connect external unit or check only with VRZ 405 connection switch external unit on or activate to ready state Error message cleared by pressing cL 22 10 Technical specifications Electrical data Housing desk top model for stacking with tilting stand Dimensions w x d x h Weight 276 x 109 x 182 mm 10 87 x 4 29 x 7 17 in without connector ca 3 5 kg 77 Ib Operating temperature Storage temperature 0 46 C 32 13 F permissible rel humidity 30 70 C 22 158 F 75 annual average 90 in rare cases Protection IP 40 front panel IP 54 Display 7 decades and sign D
11. the counters are adjusted to the grating periods line counts and the various reference marks normal or distance coded are taken into account Linear encoders Grating period P4 0 normal METRO Length gauge LID 300 310 320 350 400 LB 326 LIDA 201 225 P4 LS 107 LS 403 404 LS 703 707 ULS 300 LID 320 400 40 um LIDA 190 40 200 um LIDA 190 200 P4 P4 P4 1 2 distance coded 10 um LS 101C 3 A Rotary encoders 1 ULS 300C LID 351C LID 311C 10 um 20 um LS 107C Rotary encoder LS 303C P4 0 ROD 700 P4 LS 403C 404C LS 603C ERO 725 815 ROD 151 450 456 Since the VRZ 401 405 has no automatic reset after 360 counting is continued beyond 359 999 for repeated revolutions e g 2 revolutions 720 000 LS 703C 704C RON 155 455 MINIROD 450 ROD 250 700 RON 255 705 ERO 725 815 ROD 151 450 456 RON 155 455 MINIROD 450 ERO 1251 18 000 9000 1800 900 Rotary encoders that serve to determine lengths traverse or feedrates can also be connected For such applications it is necessary to take the transmission ratio into account rack and pinion nut and spindle or circumference of the friction wheel in addition to the interpolation factor and line count Caution With the re adjustment of the grating period all values momentarily stored in the display unit are simultaneously changed P4 0 1 Values are doubled P4 1
12. P4 PO X XXXX2 0 0 X XXX X5 1 0 X XXX1 1 1 X XXX X5 0 0 X XXX1 1 1 ara p X XXX2 0 0 X XXX5 1 0 X XX1 1 1 X XXX5 0 0 X XX1 0 1 Reference mark single E Grating Period Grating Period Reference mark o 10 um evaluation 100 um 1 20 m 200 um 40 um 10 um 20 um 10 um 20 um Blinking display Function of key Distance coded with 1000 1000 X grating period 2000 2000 after Blinking display Switch on Fault yes yes O no O no yes yes Function of inki key o Clears the display and redisplays the yes previous value Sets the display 1 to 0 yes B Clears the display and redisplays the yes previous value Sets the display 3 to 0 yes 4 Clears the display and redisplays the O no previous value B ead display O no 6 Clears the display and redisplays the O no previous value 7 Sets the display O no to 0 Transfer to memory 3 2 S vos o o Output of blank lines Enter number of blank lines between value outputs via the data interface Counting direction B mm inch conversion E Grating Period Reference mark evaluation o normal E inverse E mm display E inch display mm display inch display Parameter P4 oO X XXX5 X XXXX2 Q X XX1 X XXX XB 1 1 X XX1 X XXX XB 0 B X XX5 X XXX2 0 X X1 X XXX5 1 3 X X1 X XXX5 0
13. SR SIGNAL GND 7 o 7 SIGNAL GND DTR 20 20 DTR Signals RTS CTS DSR and DTR must have operating level 1 5 15 V for data transfer Simplified wiring V 24 connection external unit of VRZ 405 CHASSIS GND T OM 1 CHASSIS GND TXD 2 2 TXD RXD 3 i ae 3 RXD RTS 4 fe 4 RTS CTS A a SB CTS DSR 6 o 6 DSR SIGNAL GND 7 ele 7 SIGNAL GND DTR 20 o 20 DTR Signals RTS CTS DSR and DTR constantly have working level 1 5 15 V due to bridges 4 5 and 6 20 With the simplified wiring an interruption of data transfer via CTS is not possible 8 9 Connecting cable A shielded connection cable with metal connector housing is to be used to ensure failsafe operation The shield must be additionally connected to PIN 1 and the connector housing at both sides A number of companies which are specializing in interface accessories offer completely wired connection cables For this reason the mating connector for the V 24 interface is not included in delivery It can be ordered separately connector Sti 25 pole Id No 202 455 03 9 Error messages The counter monitors a series of functions Failures are indicated to the user by means of error messages Display flashes no measuring system connected a connect gauge break in connection cable b check cable and connection measuring system defective return gauge for repairs max permissible measuring velocity reduce measuring velocity 0 25 m
14. ay 14 The datum value is rounded off in accordance with selected display step and mm or inch display entered transferred datum value last decade datum value with display step last decade lemmas ye 0 0005 mm 0 001 mm 0 00002 inch 0 00005 inch 0 0 0 0 0 1 0 1 0 2 0 2 2 0 3 0 3 2 0 4 0 4 4 0 5 5 5 4 5 6 5 6 6 5 7 5 7 6 5 8 5 8 8 5 9 5 9 8 5 15 7 3 Reference mark evaluation REF After power interruption the correlation between the position of the machine carriage plunger and the display value is lost This correlation can be easily retrieved with the aid of the reference mark evaluation REF by traversing the encoder reference mark With linear encoders with distance coded reference marks the absolute position value is available after only max 20 mm travel i e after traversing of two reference marks In this case the distance between the reference marks is not constant but defined by variation i e the absolute position can be determined by calculation 7 3 1 Storage of datum point press REF rer Display stops REF flashing traverse reference mark _ Display simultaneous C REF on Zero reset or datum set see 7 1 7 2 With activated reference mark evaluation REF on all datum value entries are calculated with relation to the reference mark and entered into non volatile memory r 7 3 2 Retrieval of correlation Plunger position Display value
15. isplay step selectable 0 0005 0 001 mm or 0 00002 0 00005 inch Zero reset via keyboard Datum set via keyboard Reference signal evaluation Counting direction for normal reference marks REF for distance coded reference mark selectable mm inch calculator standard feature Data interface RS 232 C V 24 with VRZ 405 max measuring velocity 0 25 m s with grating period 10 um 0 5 m s with grating period 20 um 1 m s with grating period 40 um Nominal mains voltage selectable 100 120 140 200 220 240 V Mains voltage tolerance 15 10 Mains frequency 48 62 Hz Mains fuse for VRZ 401 for VRZ 405 Power consumption 0 125 A slow blow for 200 220 240 V 0 25 A slow blow for 100 120 140 V 0 16 A slow blow for 200 220 240 V 0 315 A slow blow for 100 120 140 V ca 10 W 23 inch Imensions mm 11 D P HEIDENHAIN VIEW A 24 SS ee NEE ee ae ye ee ee ee ee HEIDENHAIN 23772023 5 2 91 H Printed in Germany Subject to technical modifications
16. mediate buffer memory Transfer of the currently displayed value to the intermediate memory is effected by a pressing the iig key b entry of a storage command contact close or TTL level c transmittance of check character Control B STX from data receiver After a delay t the data are provided at the interface output TXD The duration of data transfer is dependent on the selected baud rate and the required number of line feeds LF Caution For the storage command TTL level is valid not V 24 level 19 Signal diagrams for the simplified connector layout Storage via storage command Storage command Actual storage DSR DTR RTS CTS TXD for storage via te 21us pulse trigger 215ms make contact t 0 8 us pulse trigger 5ms make contact mm display inch display tp S12 ms S29 ms t3 2 10 us Storage via check character Control B RXD Control B actual storage DSR DTR RTS CTS TXD mm display _ inch display ti S6ms 15 ms tg S7ms 16 ms t3 2 10 us 20 8 8 Connection of external units wiring Depending on the make of the employed data units different wiring of the connection cables might be required Sone non standard connector layouts are being used Commonly used wiring Complete wiring V 24 connection external unit of VRZ 405 CHASSIS GND 1 oco 1 CHASSIS GND TXD 2 SESE TEE 2 TXD RXD 3 o e o 3 RXD RTS 4 4 RTS CTS 5 EE aie 5 CTS DSR 6 6 D
17. nce mark of the encoder for retrieval of the last selected correlation between encoder position and display value see item 7 3 2 If this correlation is effected via zero reset or datum set after probing of a mechanical limit stop reference surface the ner ROV is to be pressed twice see 7 3 3 6 3 Setup functions VRZ 40X is provided with a number of selectable functions see tables as of page 6 The required operating mode is deter mined by entry of parameter values 6 3 1 Parameter entry Parameter call up press e g display e g Simultaneous pressing of el and of the number of the selected parameter The parameter value last 4 B B l entered is displayed Enter parameter value 1 Enter value for required operating mode Parameter Parameter value Storing parameter value 7 By pressing o the selected para g meter value is stored The required operating mode is now set Non volatile storage of entered parameter values When resuming operation the counter operates in the last entered mode 6 3 2 Parameter Overview 6 3 2 1 Q VRZ 401 J o Radius display E Diameter display Counting direction P1 O normal E inverse E Radius Diameter display 8 mm display B mm inch conversion P2 E inch display B Display step mm display X XXX5 o X XX1 X XX2 XXXI E X XX2 X XX5 a X X1 X X2 X X1 B X X2 inch display Parameter
18. nters can be stacked by simply putting one on top of the other Slipping of stacked counters is prevented by the housing rim as well as by small protrusions in the housing cover 1 Stacking Use of tilting stand 5 Selection of mains voltage Counters VRZ 40X are set to 220 V operation when supplied This may be changed to 100 120 200 240 V as follows Remove mains fuse holder Fig 1 and set voltage selector to the required rating by means of a coin Fig 2 Replace mains fuse holder with correct fuse with VRZ 401 Fuse for 200 220 240 V 0 125 A slow blow Fuse for 100 120 140 V 0 25 Aslow blow with VRZ 405 Fuse for 200 220 240 V 0 16 A slow blow Fuse for 100 120 140 V 0 315 A slow blow
19. tations in order to prevent data transmission errors The baud rate can be selected via Parameter entry Parameter Parameter value Baud rate P6 1 150 baud P6 2 300 baud P6 3 600 baud P6 4 1200 baud P6 5 2400 baud 18 8 5 Data format The individual characters comprise LS D D D DID DIDIP S Start Bit 7 Data Bits Even Parity Bit 1 Stop Bit Sequence of character output Sign Decade 7 Decade 6 Decade 5 Decimal point at correct place Decade 4 Decade 3 Decade 2 Decade 1 Unit Fault message if fault Empty space if mm if inch Carriage return CR Line feed LF number selectable The number of additional line feed commands blank lines is selectable between O and 99 via Parameter entry Parameter Parameter value Description Peremeter _ number of additional blank lines LF e g i one additional line feed between 2 printouts 2xLF five additional line feeds between 2 printouts 6 xLF 8 6 Interruption of data transfer With normal commercially available data receivers e g printers it is possible that the data transfer has to be interrupted from time to time e g printing procedure or overflow of character memory Data output of VRZ 405 can be stopped and restarted via a signal to the interface input CTS 87 Data output Data output is effected via a built in inter
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