Operating instructions VRZ 402, 403, 404
Contents
1. clears the display and recalls the previous yes 9 yes value B sets the display to 0 a clears the display and recalls the previous yes O no value a sets the display to 0 clears the display and recalls the previous O no e yes value a sets the display to 0 B clears the display and recalls the previous O no O no value sets the display to 0 E 110 baud 150 baud E 300 baud Eb 600 baud E 1200 baud 2400 baud display of nominal value normal counter operation Display blinks after yes yes yes O no O no e yes O no O no display of smallest value minimum of a measurement series after pressing MIN lights up display of largest value maximum of a measurement series after pressing MAX lights up display of difference between max and min of a measurement series after pressing DIFF lights up EB display stop a classification enter limit values in param P8 and P9 n display stop concurrent display enter numerical value including sign must be smaller than upper limit value enter numerical value including sign must be larger than lower limit value Store the selected parameter value with 6 3 2 3 VRZ 404 Kl Counting direction P2. ENTER 7 6 A 380 DISP A 390 ENABLE INTR 7 89 RETURN If several units are connected insert the following in place of lines 370 and 389 37 IF NOT BIT SN 6 THEN 399 375 DISP VRZ 4 4 N 380 ENTER 7 N A 385 DISP A Insert the appropriate unit address in place of N The program part can be repeated independent of the number of connected units Of course in this case the subprogram SUB 1 must also have provisions for several units 35 10 Error messages The counter monitors a series of functions Failures are indicated to the user by means of error messages Display flashes All decimal points illuminated a no gauge connected b break in connection cable c gauge defective d max permissible measuring velocity e mains interruption depending on parameter P5 also briefly ERROR 1 ERROR 2 36 max display capacity exceeded mm display 999 9995 inch display 99 99998 counter has received a second storage command via external operator or interface before the data following the first command are output with VRZ 403 external unit not ready a connect gauge b check cable and connection c return gauge for repairs d reduce measuring velocity The error message can be cleared by pressing the REF key once or twice The correlation to plunger position and display value must then be retrieved REF Zero reset or Datum set see item 7
3. select datum such that display capacity with full travel is not exceeded extend spacing between storage commands error message clear by pressing connect external unit or check connection switch external unit on or activate to ready state with VRZ 404 a IEEE 488 Bus not ready no Controller present b error in the Handshake lines NCDA and NRFD inactive HIGH at start of Handshakes c all Handshake lines active LOW Controller interface reset by Controller and simultaneous storage via external operation a connect Controller or check connection and switch on b check Handshake lines and unit in Bus Extender c change program sequence error message ERROR 2 cleared by pressing cu Error message is only reactivated after counter is switched off on or bus commands DCL or SDC with VRZ 404 effects simultaneous zero reset are received 11 Technical specifications Electrical data Housing desk top model for stacking with tilting stand Dimensions wxdxh 276x109x182 mm 10 87 x 4 29 x 7 17 in without connector Weight ca 3 7 kg Operating temperature 0 45 C Storage temperature 30 4 70 C permissible rel humidity 75 annual average 90 on rare occasions Protection IP 40 front panel IP 54 Display 7 decades and sign Display step selectable 0 0005 0 001 mm or 0 00002 0 00005 inch 0 01 mm 0 00005 inch only VRZ 404
4. 0 1 2 3 after start of Measured value evaluation a 28 9 2 6 Connection of external units wiring Depending on the type of the employed data units different wiring of the connection cables might be required Some non standard connector layouts are being used Commonly used wiring Complete wiring V 24 connection external unit of VRZ 403 CHASSIS GND 1 Oo 1 CHASSIS GND TXD 2 2 TXD RXD 3 ENS EUER 3 RXD RTS 4 4 RTS CTS 5 ER 5 CTS DSR 6 6 DSR SIGNAL GND 7 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 403 CHASSIS GND 1 oOo o 1 CHASSIS GND TXD 2 om o 2 TXD RXD E MAR ONCE MS RXD RTS 4 o 4 RTS CTS 5 o 5 CTS DSR 6 o 6 DSR SIGNAL GND 7 7 SIGNAL GND DTR 20 o 20 DTR Signals RTS CTS DSR and DTR constantly have working level 1 5 4 15V due to bridges 4 5 and 6 20 9 27 Connection cable To ensure error free data transmission we recommend you use the HEIDENHAIN data transmission cable with 25 pin Sub Min D connectors Id No 242869 9 3 IEEE 488 interface VRZ 404 Data output of VRZ 404 corresponds to IEEE 488 and the ANSI Standard MC 1 1 It is identical to the IEC 625 Standard with the exception of the different connector system 9 3 1 Definition Lev
5. 15V Designations TXD RXD are derived through negative level for 1 Series data transfer The V 24 interface of VRZ 403 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 SXT start of data transfer DC3 interruption of data transfer DC1 continuation of data transfer 9 2 2 Transfer rate baud rate The baud rate signifies the number of bits which can be transmitted every second The V 24 interface of VRZ 403 permits the following baud rates 110 150 300 600 1200 2400 Peripheral units must be able to process the selected baud rate without limitations in order to prevent data transmission errors The baud rate can be selected via Parameter entry P6 0 110 baud P6 1 150 baud P6 2 300 baud P6 3 600 baud P6 4 1200 baud P6 5 2400 baud 26 9 2 3 Data format The individual characters comprise S D DID D D D D P S SJ Start Bit 7 Data Bits Even Parity Bit 2 Stop Bits Sequence of character output FT 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 Li
6. Amphenol Tuchel 57 30360 is included in delivery 9 1 3 Signal description of inputs and outputs Inputs negative logic Storage via pulse trigger TTL level Lt t21us Storage via make contact Make contact t215 ms Outputs TTL compatible Decade 1 7 and sign positive logic LOW level U 0 4 V at hiny 12 mA max HIGH level U44 2 2 4 V at Isource 2 6 mA max Printer release pulse Error message LOW level Ua S 0 4 V at lyin 4 mA HIGH level Ua 2 2 4 V at bource 0 4 mA Load capacity l 8 mA lan 0 4 mA 9 1 4 Data inquiry Data output is parailel in 8 4 2 1 BCD Code via incorporated intermediate memory When applying a storage command leading edge via external operation or to the BCD data output the updated display value Nominal measured value Minimum Maximum or Difference is transferred into the intermediate memory after a max delay of t After the data have been registered in this buffer memory the VRZ 402 issues a printer release pulse Ready message This pulse indicates counter at standby for data output to the subsequent electronics printer calculator etc The printer release pulse has a fixed duration of 20 us Even after expiration of this pulse the data are retained in the buffer memory until the next storage command A new storage command can be entered immediately after the trailing edge of the printer release pulse te te Storage command Actual storage Printer
7. INCH illuminates Ti 6 3 3 3 Display step with linear encoders and length gauges Measuring system Signal period Display step Parameter setup mm inch P3 P4 Metro length gauge 0 00002 ULS 300 LID 311 0 00005 LID 351 LS 101 LS 405 LS 303 LS 603 LS 403 0 00005 LS 406 LS 704 LS 107 6 3 3 4 Display step with rotary and angle encoders Rotary encoder Line number Display step Parameter setup P P3 P4 ROD 700 800 0 0005 ERO 725 815 0 0019 ROD 250 700 0 0019 RON 255 705 ERO 725 815 ROD 450 456 0 019 MINIROD 450 only possible with VRZ 404 Rotary and angle encoders can also be used to determine lengths travels and feedrates For this purpose the transmission ratio rack pinion lead screw or friction wheel must be taken into account in addition to parameters P3 and P4 12 6 3 3 5 Function of mer Various functions can be assigned to the e via parameter P1 Parameter call and clearing of the entry value or zeroing the display Parameter P1 also permits a deactivation of display blinking after interruption in power and or switch on or due to malfunction Function of the CL key Display blinks after switch on fault Pb 0 clears the display and recalls the yes yes previous value sets the display to 0 yes e clears the display and recalls the yes o previous value sets the display to
8. SPE Serial Poll Enable Start of Serial Polling TAD N Talkaddress Talker Address of unit N SBN or Status Byte not active SBA Status Byte active Status Byte of unit N or 1 SPD Serial Poll disable End of Serial Polling 1 UNT Untalk Clear of last active Talker Caution the interface message Serial Polling SPE must be provided prior to setting of the Talker Address TAD The VRZ 404 emits the following status character SBA Bit pattern 01000001 hex 41 dec 65 Service Request is only reset after Serial Polling VRZ 404 commences data output with a delay t after recognition of My Talker Address TAD MTA Between Service Request SRO and standby of data at the interface a max delay tz passes If in the meantime the Serial Pol ling has been completed and the Talker Address set the line DAV Data Valid will subsequently become active Signal diagram te Storage command E Actual storage SRO A IEEE Bus Serial Poll TAD MTA DAV A with storage via te Z 1 us pulse trigger tg 215 ms make contact t 08 us pulse trigger t 5 ms make contact ti 0 3 ms mm display inch display t 0 28 ms approx 25 ms in operating mode NOM P7 0 display stop P7 4 6 Classifying P7 5 ta approx 11 ms t 0 58 ms approx 115 ms in operating mode NOM MIN MAX DIFF P7 0 1 2 3 after start of tz approx 35 ms Measured value evaluation 32 b Bus Command GET The Bus Command G
9. display stop classification enter limit values in param P8 and P9 display stop concurrent display display stop until next storage command and classifi cation enter limit values in parameters P8 and P9 display stop concurrent display and classification enter limit values in parameters P8 and P9 enter numerical value including sign must be smaller than upper limit value enter numerical value including sign must be larger than lower limit value Store the selected parameter value with 6 3 2 2 VRZ 403 m p ao Bm gm g B Outputs additional line feeds to the data interface between measuring values Counting direction mm inch conversion Display step Grating period Blinking display function of the key Baud rate Operating mode Lower limit value Upper limit value PO P1 P2 P3 P6 P8 P9 Enter number of additional line feeds positive counting mode with retracting plunger positive counting mode with extending plunger display in mm display in inch INCH lights up display in mm display in inch Parameter P4 X XXXb XXXX2 0 X XX1 X XXX X5 1 X XX1 X XXXX5 0 for encoders with 10 um grating period BB for encoders with 20 um grating period Function of the key switch on fault
10. left of display SET SET off Zero as datum appears on right of display or if Parameter P5 1 3 5 7 has been addressed Clear key gt Zero appears in display upon release of key Counters VRZ 402 403 404 may also be zeroed via external operation see item 8 With VRZ 404 zeroing can also be effected via the IEEE bus 7 2 Datum set Press L DEOD 9 S H soo Enter datum e g 80 001 mm 3 150 in Clear key for wrong entry Entry of neg sign after datum set if reqd Transfer key gt SET off BANI Any random number e g the Nominal dimensions can be set as reference datum initial value SET on Value appears on left of display Datum value e g 80 001 mm 3 150 in Lg IL appears on right of display 19 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 0 001 mm 0 00002 inch 0 00005 inch OT1OIO OIOIOOQOOQOQO o O00 40013 00 NO CO DO O10101010100 0000 0 1 2 3 A 5 6 7 8 9 73 Reference mark evaluation REF The correlation between plunger position and display value last effected by means of zeroing or datum set in function REF REF illuminates can be easily retrieved after power failure with the reference mark evaluatio
11. return CR Line feed LF number selectable With the last character the control command EO End Or Identify is simultaneously output 30 9 3 3 Control commands Management Bus VRZ 404 can process or generate the following control commands ATN Attention IFC Interface Clear EOI End Or Identify SRQ Service Request The control command REN Remote Enable is not recognized by VRZ 404 9 3 4 Data transfer Data transfer is carried out via 3 Line Handshake process The 3 Handshake lines have the following meaning DAV Data Valid operated via Talker or Controller and indicates in active state LOW that data are at standby NRFD Not Ready for Data operated via all active Listeners NDAC Not Data Accepted operated via all active Listeners 31 9 3 5 Data output Data output is effected via the incorporated intermediate memory The updated display value is transferred into intermediate memory after a Entering a storage command The storage command TTL pulse trigger or make contact is applied at the input for external operation see item 8 3 The counter stores the value after a delay t and then immediately delay tz provides the control command Service Request SOR For the subsequently carried out Serial Polling of the Controller the following sequence of the interface messages is required see IEEE 488 IEC 625 ATN 1 UNL Unlisten Clear of any active Listener 1
12. sets the display au 0 O no O no Enter the device address when connecting to an IEEE 488 bus Entry values 0 to 30 possible display of nominal value normal counter operation display of smallest value minimum of a measurement series after pressing MIN lights up display of largest value maximum of a measurement series after pressing MAX lights up display of difference between max and min of a measurement series after pressing gi DIFF lights up display stop classification enter limit values in param P8 and P9 display stop concurrent display enter numerical value including sign must be smaller than upper limit value enter numerical value including sign must be larger than lower limit value Store the selected parameter value with 6 3 3 Functions Operating modes 6 3 3 1 Counting direction The positive counting mode may be allocated either to the retracting or the extending plunger Switch over is effected via entry of parameter value P1 Plunger movement Counting mode PA 0 P1 1 n 6 3 3 2 mm inch display Optional display of measured value in either mm or inch Selection effected via value entry in parameter P2 This is also possible during measuring ff k 0 0010 mm 0 0005 mm 0 0000 mm 0 0005 mm 0 0010 mm 0 0010 mm 0 0005 mm 0 0000 mm 0 0005 mm 0 0010 mm etc 1 00000
13. 0 yes O clears the display and recalls the Os e previous value sets the display to 0 O no e clears the display and recalls the ped O previous value sets the display to 0 O O 6 3 3 6 Operating mode Nominal value NOM Maximum MAX Minimum MIN Difference DIFF display Measured value evaluation not started In this operating mode parameter value P7 0 1 2 3 4 the counter display is simultaneous with each plunger position Measured value evaluation started From any number of measured values the largest Maximum and the smallest Minimum value is determined and the difference then calculated These values can be transferred into the display in succession via parameter switch over or external operation After the next starting of the measured value evaluation a new maximum and minimum is determined The maximum and minimum acquisition is carried out every 520 us Intermediate Maxima Minima are not recognized The test piece therefore must be moved at such a slow rate that the measured value change within the 520 us is smaller than the required accuracy e g with a required accuracy of 0 5 um the maximum plunger movement must not exceed 1 mm s Start of measured value evaluation The measured value evaluation is started either by pressing the Start key or via external operation see item 8 by TTL pulse trigger or make contact Caution with started measured value evaluation the data output is delayed see i
14. 1 E mm inch conversion P2 Display step P3 Grating period P4 B Blinking display P5 function of the key l Device address P6 El Operating mode P7 l Lower limit value P8 Upper limit value P9 only with rotary and angle encoders 10 positive counting mode with retracting plunger positive counting mode with extending plunger display in mm display in inch INCH lights up display in mm display in inch Parameter P4 X XXX5 X XXXX2 0 X XX1 X XXXX5 1 X XX1 X XXXX5 0 XX1 X XXX Xb 1 jJ for encoders with 10 um grating period for encoders with 20 um grating period Function of the Display blinks after key switch on faut clears the display and recalls the previous yes e yes value PR sets the display EP to 0 yes yes B clears the display and recalls the previous yes O no value sets the display to 0 yes O no clears the display and recalls the previous O no 9 yes value sets the display B 0 O no yes a clears the display and recalls the previous O no O no value Fa
15. Data output see item 8 3 Minimum display see item 6 3 3 6 Maximum display see item 6 3 3 6 Difference display see item 6 3 3 6 Start Measured value evaluation see item 6 3 3 6 External operation is also possible via make contact or TTL pulse trigger The connection cable must be shielded A broad surface contact between connector and shield should be ensured In the following diagram inputs of the counter are designated with E outputs with A 8 1 Connector layout Counter Flange Socket 12 pole male ld No 20072202 6 7 Contact ote ee pe ke wo jj E Minimum display E Difference display Maximum display Duration of pulse make contact INT EXT E zero reset Start Measured value evaluation oversized A Connector 12 pole female Id No 20072003 Recommended cable shielded LiYCY 12 x 0 5 mm Id No 107136 ZZ Pulse trigger with TTL level 22 8 2 External selection of NOM MAX MIN and DIFF Display of Nominal value NOM Maximum MAX Minimum MIN or Difference DIFF can be selected via Parameter entry Parameter value P7 0 1 2 3 or via external operation Selection via external operation is only possible if the counter is set to one of those four operating modes Via PIN 1 it is determined whether selection is effected via Parameter entry INT or external op
16. ET effects simultaneous storage with all VRZ 404 addressed With recognition of GET the Handshake line NDAC is activated until the data are at standby for output t Only then can the appropriate Talker Address TAD be set VRZ 404 commences data output with the delay ta after recognition of My Talker Address TAD MTA Signal diagram IEEE Bus Actual storage NDAC A DAV A t 1 5 ps mm display inch display ty S10 ms lt 25 ms in operating mode NOM P7 0 display stop P7 4 6 Classifying P7 5 S35 ms 115 ms in operatingmode NOM MIN MAX DIFF P7 0 1 2 3 after start of Measured value evaluation ts 0 4 ms c Receipt of My Talker Address MTA After recognition of My Talker Address MTA the updated value will be stored unless the counter has received a prior storage command or GET command VRZ 404 commences data output with the delay t following actual storage Signal diagram IEEE Bus TAD MTA e Actual storage a 4 NDAC A DAV A t S200 us Measured value evaluation not started 500 us after start of Measured value evaluation mm display inch display t S10 ms lt 25 ms in operating mode NOM P7 0 display stop P7 4 6 Classifying P7 5 35 ms 115 ms in operating mode NOM MIN MAX DIFF P7 0 1 2 3 after start of Measured value evaluation 33 9 3 6 Addressing In order to enable controlled data exchange between several units
17. HEIDENHAIN Operating Instructions VRZ 402 VRZ 403 VRZ 404 HEIDENHAIN Counters 7 92 Contents d Q o 1 Items supplied 2 Brief description Outline 3 Notes 4 Installation of counter 5 Selection of mains voltage 5 1 Ground screw 6 Starting procedure 6 1 Controls 6 2 Switch on of counter 6 3 Setup functions 6 3 1 Parameter entry 6 3 2 Parameter Overview 6 3 2 1 VRZ 402 6 3 2 2 VRZ 403 6 3 2 3 VRZ 404 6 3 3 Functions Operating modes 6 3 3 1 Counting direction 6 3 3 2 mm inch display 6 3 3 3 Display step with linear encoders and length gauges 6 3 3 4 Display step with rotary and angle encoders 6 3 3 5 Function of e 6 3 3 6 Operating mode Nominal value NOM Maximum MAX Minimum MIN Difference DIFF display 6 3 3 7 Operating mode Display Stop 6 3 3 8 Operating mode Classification 7 Operating 7 1 Zero reset 7 2 Datum set 7 3 Reference mark evaluation REF 7 3 1 Storage of datum point 7 3 2 Retrieval of correlation Plunger position Display value 7 3 3 Working without reference mark evaluation REF 8 External operation Outputs 8 1 Connector layout 8 2 External selection of NOM MAX MIN and DIFF 8 3 Storage command 8 4 Signal description of inputs and outputs 9 Data output 9 1 BCD data output VRZ 402 9 1 1 Connector layout 9 1 2 Connection cable 9 1 3 Signal description of inputs and outputs 9 1 4 Data inquiry 9 1 5 Sign 9 2 V 24 RS 232 C interface VRZ 403 9 2 1 Definition of V 24 i
18. V 0 16 A slow blow Fuse for 100 140V 0 315 A slow blow 5 1 Ground screw To ensure error free operation when using the external operation connector the ground screw should be connected to the ground of the external unit 6 Starting procedure 6 1 Controls Digital display Operating mode display Measured value evaluation Transfer of entry value Front panel Keyboard for entry values and parameter selection Reference mark evaluation Tilting stand Clear entry value parameter call and zero reset of display E Flange socket for external operation Mains fuse holder Inputs for Zero reset l Display stop Min Max Difference selection Storage and Measured value evaluation Mains voltage selector Outputs for classifying state Rear panel Flange socket Gauge Mains switch Ground screw Mains socket Data output with VRZ 402 BCD parallel VRZ 403 V 24 RS 232 C VRZ 404 IEEE 488 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 ev twice The counter is now ready for setting the operating mode see item 6 3 b With any further acti
19. V twisted with PIN 8 PIN 5 EO End Or Identify PIN 13 DIO 5 Data input output 5 PIN 21 Ground OV twisted with PIN 9 PIN 6DAV Data Valid PIN 14 DIO 6 Data input output 6 PIN 22 Ground OV twisted with PIN 10 PIN 7 NRFD Not Ready for Data PIN 15 DIO 7 Data input output 7 Ground OV twisted with PIN 11 PIN 8NDACNot Data Accepted PIN 16 DIO 8 Data input output 8 Logic Ground OV 34 9 3 9 Program examples for HP 85 The program examples for HP 85 are in Basic For VRZ 404 the unit address 6 or with two connected VRZ 404 the addresses 5 and 6 have been selected The Select Code for the HP IB Interface is 7 Interface messages Bus commands Interface Clear IFC ABORTIO 7 Device Clear DCL CLEAR 7 Selected Device Clear SDC CLEAR 7006 Group Execute Trigger GET TRIGGER 7 6 Data inquiry a by setting the Talker Address ENTER 7 6 A VRZ 404 Address 6 is addressed as Talker value stored DISP A and transferred value is displayed b with Group Execute Trigger GET one VRZ 404 connected TRIGGER 7 6 storage with GET ENTER 7 6 A addressing data inquiry and display DISP A two VRZ 404 connected TRIGGER 7 5 706 9 RESUME 7 storage from unit 5 and 6 with GET DISP VRZ 404 5 6 ENTER 7 5 A addressing data inquiry and display unit 5 DISP A ENTER 7 6 A addressing data inquiry and display unit 6 DISP A If more than two units are connected then the program can be amended accordingl
20. Zero reset via keyboard via external operation pulse trigger or make contact via bus command DCL or SDC VRZ 404 Datum set via keyboard Reference signal evaluation Counting direction automatic with REF selectable mm inch calculator standard feature Operating modes Nominal display NOM MAXIMUM display MAX MINIMUM display MIN Subtraction DIFF of MIN and MAX Display stop Tolerance check Data output data interface BCD parallel with VRZ 402 V 24 RS 232 C with VRZ 403 IEEE 488 with VRZ 404 max scanning frequency 2b kHz Nominal mains voltage selectable 100 120 140 200 220 240 V Mains voltage tolerance Mains frequency Mains fuse 15 96 4 10 96 48 62 Hz 0 16A slow blow for 200 220 240 V 0 315A slow blow for 100 120 140 V Power consumption ca 14 W 37 12 Dimensions mm inch E 4 5 s 38 a HEIDENHAIN 228703 26 5 7 92 H Printed in Germany Subject to alteration Paper bleached without chlorine
21. ay value with OOOQQOoO00Q0 Q0 tTtv ciclo cO EN O 0 65 0 P7 6 G Display stop simultaneous display Display Stop concurrent display If Parameter value P7 6 is entered display is stopped for the duration of the storage command see item 8 3 At the end of the storage command the display continues again with the updated measured value 6 3 3 8 Operating mode Classification In operating mode Classification Parameter value P7 5 two limit values can be entered via Parameter P8 and P9 Exampel1 Example 2 P8 lower limit value 25 9920 14 0035 P9 upper limit value 26 0130 13 9955 The classifying state i e whether the updated measured value falls within the stored limit values or exceeds these is in dicated via symbols and output via 2 lines flange socket for external operation see item 8 The max lag time between exceeding the preset limit values and the output of the corresponding signals at Pin 4 5 is for mm display 8 ms Output signal Classifying state PIN 4 PIN 5 Inch display 20 ms HIGH level HIGH leve
22. el The levels of the interface lines correspond to IEEE 488 ANSI Standard MC 1 VIEC 625 HIGH level UH z 2 0 V LOW level UH S 0 8 V Output stage The output stage consists of Open Collector Drivers Interface functions The VRZ 404 is a Listener Talker i e it can transmit data and also receive commands It has the following interface functions Talker Serial Polling Automatic Address Clear when My Listener Address MLA is set L4 Listener Automatic Address Clear when MM Talker Address MTA js set Ev Teeeerowas With Group Execute Trigger GET the updated display value is transferred into the incorporated buffer memory and at standby for polling The interface functions Device Clear DCL and Selected Device Clear SDC operate identical to Zero reset or External zero reset Caution The Talker function T6 indicates that the VRZ 404 cannot operate in mode Talker only A Controller must always be provided in the system Connection of only one printer to VRZ 404 is therefore not possible Transfer Code ASCII code is used for data transfer 9 3 2 Data format Transfer of the indicated value is effected bit parallel byte serial The VRZ provides 12 characters in sequence character Sign Decade 7 Decade 6 Decade 5 Decimal point in correct place Decade 4 Decade 3 Decade 2 Decade 1 Unit blank with mm i with inch or fault detection signal with error message Carriage
23. eration EXT LOW level OV External operation EXT HIGH level open Parameter entry INT With PIN 1 on LOW level O V display of NOM MAX MIN or DIFF value can be externally operated Display selection with 4 step switch INT EXT PIN 8 DIFF oMAX PIN 11 0V Display selection with TTL level Parameter entry INT possible External operation INT possible Nominal value NOM Minimum MIN Maximum MAX Difference DIFF 8 3 Storage command At PIN 10 and PIN 12 the storage commands can be entered via make contact or pulse trigger for activation of the data out put In operating mode Display stop Parameter value P7 4 6 the storage command is simultaneously used for freezing of the display and setting to updated measured value Connection Function sg Duration PIN 10 Storage via make contact active E PIN 12 lactive LOWJ 8 4 Signal description of inputs and outputs Storage via pulse trigger Inputs PIN 1 2 3 6 7 8 10 12 LOW active LOW level Ua X 0 4 V at Iink 02 mA HIGH level Ug z 2 7 V at louce 20 pA Outputs PIN 4 5 TTL compatible LOW level Ua 0 4V HIGH level Uy 2 2 4 V load capacity lj 12 mA lH 2 5 mA Note Inputs and outputs may only be connected to circuits with protective low voltage as per German standard VDE 0100 5 73 8 23 9 Data output The counters are provided with different data outputs VRZ 402 BCD data out
24. he 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 German official register decree 1046 1984 The 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 require ments 4 4 Installation of counter 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 counters 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 Stacking Use of tilting stand 12 83 o rey E i ZZZ AO 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 Fuse for 200 240
25. he gauges other HEIDENHAIN linear encoders with 10 um or 20 um grating pitch e g LID 300 LS 703 704 LS 403 404 ULS 300 etc as well as HEIDENHAIN rotary encoders with sinusoidal output signals are also suitable for connection The output signals of the gauges are amplified interpolated within the counter and subsequently counted in accordance with the sign The measured value is displayed via a seven digit 7 segment digital display The counters are provided with the following functions vn 02 VRZ 403 VRZ 404 V 24 RS 252 0 iEEE488 Functions Zero reset Datum set 3 Notes Reference mark evaluation REF mm inch calculator selectable display step Counters VRZ 402 404 correspond to protection class of the German VDE provisions 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 counting direction Classifying with 2 limit values Minimum Maximum acquisition Subtraction of Maximum and Minimum difference Display stop External operation Output for classifying state 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 t
26. ing display P5 function of the key P7 El Lower limit value 8 E Operating mode negative sign at data interface LOW level negative sign at data interface HIGH level g positive counting mode with retracting plunger positive counting mode with extending plunger display in mm uu display in inch INCH lights up display in mm display in inch Parameter P4 XOXXX X2 0 X XXXX5 1 X XXX X5 0 for encoders with 10 um grating period for encoders with 20 um grating period Function of the key clears the display Display blinks after fault and recalls the previous yes yes value PR sets the display he 0 yes yes a clears the display and recalls the previous yes O no value sets the display 0 9 yes O no clears the display and recalls the previous O no e yes value sets the display 0 O no yes clears the display and recalls the previous O no O no value sets the display na O no to 0 display of nominal value normal counter operation display of smallest value minimum of a measurement series after pressing MIN lights up display of largest value maximum of a measurement series after pressing MAX lights up display of difference between max and min of a measurement series after pressing DIFF lights up
27. l Measured value within tolerance HIGH level LOW level Measured value smaller than lower limit value LOW level HIGH level Measured value larger than upper limit value The levels of the output signals correspond to TTL Low Power Schottky LOW level 0 4 V at lj 12 mA HIGH level 2 4 V at loource 2 6 mA Load capacity lj 12 mA lource 2 6 mA 16 Classifying Sorting dimension 26 9908 1 0236 aer Actual dimension within tolerance good oversized rework undersized reject 47 Counter with 2 cutoff points Cutoff point 1 Cutoff point 2 e g 25 mm 984 in e g 25 mm 984 in UD The gauge serves as linear encoder The values of cutoff points 1 and 2 are to be entered into Parameter P8 and P9 of the counter in the correct correlation Via a customer specific control electronics unit the drive of the carriage is switched off upon reaching one of the cutoff points Counter with deceleration point and cutoff point Cutoff point e g 50 0000 mm 1 9685 in Deceleration point e g 48 0000 mm 1 8898 in Feed rate is reduced upon reaching the deceleration point in order to assure safe stopping at the cutoff point 18 7 Operation 71 Zero reset Press 000 000 0 key Transfer key Counter can be reset to zero at any random location of the travel SET on Zero appears on
28. n REF by passing over the gauge reference mark The reference mark evaluation REF is not possible in operating modes Maximum Minimum and Difference display Parameter P7 1 2 3 7 3 1 Storage of datum point Press Display stops REE key gt REF flashes traverse over reference mark Display concurrent location see operating instructions REF on of gauge Zero reset or datum set see 7 1 7 2 20 7 3 2 Retrieval of correlation Plunger position Display value Ah REF A Switch on counter press REF pass over reference mark location see operating instructions of gauge REF dark Display flashes REF flashes Display stops Display simultaneous REF on 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 8 External operation Outputs The 12 pole flange socket at counter rear serves for external operation and for output of classifying signals The following functions can be operated externally Zero reset see item 7 1 Display stop see item 6 3 3 7 Storage
29. ne feed LF number selectable The number of additional line feed commands blank lines is selectable between 0 and 99 via Parameter entry PO x x number of additional blank lines LF e g PO 1 one additional line feed between 2 printouts 2xLF PO 5 five additional line feeds between 2 printouts 6 xLF 9 2 4 Interruption of data transfer With normal commercially available data receivers e g printers it is possible that data transfer has to be interrupted from time to time e g printing procedure or overflow of character memory Therefore a signal is produced for interruption continuation of data transfer The technical features vary depending on the make a Start Stop signals via interface input RXD The data receiver controls the VRZ 403 via the ASCII characters DC3 and DC1 DC3 XOFF CTRL S interruption of data transfer DC1 XON CTRL O continuation of data transfer Owing to the signal switching times up to four characters can be transmitted after output of the Stop character DC3 b Start Stop signals via the interface input CTS In this case the data receiver converts the level of the verification input CTS of the transmitter interface whereby the level depends on the make 9 2 5 Data output Data output is effected via a built in intermediate buffer memory When a storage command is given leading edge via external operation or control character Control B STX to the V 24 RS 232 C i
30. nterface 9 2 2 Transfer rate baud rate 9 2 3 Data format 9 2 4 Interruption of data transfer 9 2 5 Data output 9 2 6 Connection of external units wiring 9 2 7 Connection cable 9 3 IEEE 488 interface VRZ 404 9 3 1 Definition 9 3 2 Data format 9 3 3 Control commands 9 3 4 Data transfer 9 3 5 Data output 9 3 6 Addressing 9 3 7 Connection cable interface cards 9 3 8 Connector layout 9 3 9 Program examples for HP 85 10 Error messages 11 Technical specifications 12 Dimensions CO NN 000 OO O0iO01 90 5 5 5 13 16 16 19 19 19 20 20 21 21 22 22 23 23 23 24 24 24 25 25 25 25 26 26 26 27 27 27 29 29 30 30 30 31 31 32 34 34 34 35 36 37 38 1 Items supplied HEIDENHAIN counter VRZ 40X type as ordered Fuse 0 16A slow blow incorporated for 200 240 V Fuse 0 315A slow blow in package for 100 140 V Connector for external operation 12 pole Ident No 22856114 Connector for BCD data output 36 poles Id No 20073203 VRZ 402 Mains cable l Operating instructions and certificate of inspection 2 Brief description Outline Counters VRZ 402 404 in conjunction with gauges MT 12 25 60 101 constitute a HEIDENHAIN METRO digital length measuring unit In addition to t
31. nterface the updated display value Nominal measured value Minimum Maximum or Difference is transferred to the intermediate memory 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 via external operation TTL level is valid not V 24 level 27 Signal diagrams for the simplified connector layout Storage via external operation t3 gt 10 us Storage command E Actual storage DSR DTR RTS CTS TXD for storage via te 21 us pulse trigger z15ms make contact t 08 bs pulse trigger 5 ms make contact mm display inch display tz 15 ms 37 ms in operating mode NOM P7 O Display stop P7 04 6 Classifying P7 5 30 ms 118 ms in operating mode NOM MIN MAX DIFF P7 0 1 2 3 after start of _ Measured value evaluation Storage via V 24 RS 232 C interface RXD DSR DTR RTS CTS TXD mm display t S10 ms 21ms t2 10 ms z21ms t4 210 us actual storage Control B inch display 17 ms in operating mode NOM P7 0 Display stop P7 4 6 Classifying P7 5 X 62 ms in operating mode NOM MIN MAX DIFF display stop P7 0 1 2 3 after start of Measured value evaluation lt 17 ms in operating mode NOM P7 0 Display stop P7 4 6 Classifying P7 5 60 ms in operating mode NOM MIN MAX DIFF display stop P7
32. put VRZ 403 V 24 RS 232 C interface VRZ 404 IEEE 488 interface 9 1 BCD data output VRZ 402 Parallel data output in 8 4 2 1 BCD Code TTL level at 36 pole Amphenol Tuchel socket 9 1 1 Connector layout 1 2 3 4 5 6 5 PIN1 29 PIN 2 2 PINS 22 PIN4 28 Decade 1 PIN5 2 PING 2 PIN7 22 PINS 2 Decade 2 Decade 3 Sa Decade 4 MEM M NEN PIN9 2 PIN 10 2 PIN 11 2 PIN 12 23 PIN 13 2 PIN 14 2 PIN 15 2 PIN 16 2 PIN 17 29 PIN 18 2 PIN 19 2 PIN 20 2 Decade 5 PIN 21 2 PIN 22 2 PIN 23 2 PIN 24 2 Decade 6 an PIN 25 2 PIN 26 2 PIN 27 2 PIN 28 23 Decade 7 PIN 29 PIN 30 PIN 31 PIN 32 Sign polarity selectable see ttem 9 1 5 Storage via pulse trigger t z 1 us Storage via make contact t 2 15 ms Printer release pulse t 20 us gt mm DD PPPRP PIN 33 error message HIGH active PIN 34 shield PIN 35 vacant PIN 36 OV in case of power interruption contamination of scale Error 1 character overflow or if maximum input frequency was exceeded 24 9 1 2 Connection cable A shielded cable is to be used for connection to the BCD output e g cable LiYCY 40 x 0 14 mm Id No 20242001 The max cable length should not exceed 10 m 32 89 ft The mating connector Id No 20073203
33. release pulse for storage via tg 21us pulse trigger z 15 ms make contact t 0 8 us pulse trigger Tolerance signals are valid for output value 5ms make contact mm display inch display t S10 ms 25 ms in operating mode NOM P7 0 Display stop P7 4 6 Classifying P7 5 S32 ms 112 ms in operating mode NOM MIN MAX DIFF P7 0 1 2 3 after start of Measured value evaluation ts gt 10 us 9 1 5 Sign The signal level corresponding to the negative sign can be converted via parameter entry PO 0 negative sign PO 1 negative sign LOW level HIGH level 25 9 2 V 24 RS 232 C interface VRZ 403 VRZ 403 is provided with a standard interface V 24 as per CCITT recommendation or RS 232 C as per FIA Standard 9 2 1 Definition of V 24 interface 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 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 CTS Clear to Send Logic level Operating level 1 3V 15V 5V 15V 0 3V 15V 5V
34. ring roller Maximum MAX shaft DIA 00 000 15 6 3 3 7 Operating mode Display Stop In operating modes Display Stop the display may be stopped for any length of time The internal counter continues operation The Display Stop is activated by applying a storage command see 8 3 Data output is initiated simultaneously Caution If no data are called up with counters VRZ 403 and VRZ 404 e g no subsequent electroncis unit connected error message Error 2 is indicated see item 10 This error message may be cleared by pressing until the counter is switched on once again Display stop In operating mode Display Stop Parameter P7 4 the display is always set to the updated measured value via a storage command Display remains stopped until the next storage command updates the display once again A clocked display can be realized via connection of an external clock generator Plunger 0 5 10 15 20 25 30 position um Storage command i oooooooooooooQ9t to Display value wih SS8888888888888 8 858 P7 4 Display stop i i oooGQsiodqgroooc cdowOstssrspssrsEsu SEO tiocor coo Oooo Displ
35. tem 9 signal diagrams Measured value evaluation can be cleared by mains off on switching INT EXT see item 8 2 switching to operating mode classification or display stop IEEE bus commands DCL SDC with VRZ 404 Selection of display Selection between display of Nominal Maximum Minimum and Difference value is effected either by entry of the parameter value or via external operation by TTL pulse trigger LOW level or make contact also see item 8 2 Selection of display via NOM MIN MAX external operation PIN 1 PIN 1 PIN 1 PIN 1 LOW level O V at PIN 6 PIN 8 PIN 7 13 Application examples A random number of points may be probed on the measuring object Subsequently the Maximum MAX the Minimum MIN and the Difference between both values DIFF can be displayed and output Straightness Flatness mr MAX MIN Roundness O Maximum MAX Minimum MIN Concentricity Eccentricity 2e Tax Twin _ DIFF NM Wobble Stroke measurement Slide Stroke amp DIFF B minimum stroke position MIN maximum stroke position MAX Shaft diameter measurement When pushing the round test piece through the display stops without the usual back and forth trials at the maximum value operating mode Maximum display which corresponds to the diameter Measu
36. the units connected to the IEEE 488 bus must be provided with addresses Determination of the unit address of VRZ 404 is carried out via entry of the parameter value in Parameter P6 Parameter Parameter value Description P6 x unit address 0 to 30 possible e g P6 VRZ 404 has address 5 P6 VRZ 404 has address 21 9 37 Connection cable interface cards In order to ensure failsafe operation use a shielded cable with metallic connector housing In addition to PIN 12 the shield should also be connected to the connector housing The total length of the connection cables of all units max 15 connected to the IEEE 488 bus may not exceed 20 m The max cable length between two units is 2 m Remote distances require the use of so called bus extenders modem operation if reqd A number of companies e g Hewlett Packard which specialize in interface accessories offer suitable units and completely wired connection cables 9 3 8 Connector layout Connector layout is standardized as per IEEE 488 ANSI Standard MC 1 1 By means of a regular adapter connector cable con nection to IEC 625 bus systems is also possible PIN 1 DIO 1 Data input output 1 PIN 9 IFC Interface Clear REN Remote Enable PIN 2DIO 2Data input output 2 PIN 10SRO Service Request PIN 18 Ground OV twisted with PIN 6 PIN 3DIO 3 Data input output 3 PIN 11ATN Attention PIN 19 Ground OV twisted with PIN 7 PIN 4DIO 4Data input output 4 PIN 12 Shield PIN 20 Ground O
37. vation press ey once The digital display illuminates flashing of the display field requests traversing the reference 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 ey 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 and of the number of the selected parameter The parameter value last entered is displayed I i m CC bg Enter parameter value Enter value for required operating mode Parameter Parameter value Storing parameter value By pressing the selected para 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 Cautionl Different functions are allocated to certain parameters for the various counters The functions are described in detail under 6 3 3 3 2 ey VRZ 402 YW Level of sign at BCD output Pee i Lo LL ap LR EN Blink
38. y c with storage via external operation With Serial Polling to be carried out following Service Request SRQ the interface message SPE must be effected before set ting of the Talker Address TAD see item 9 3 6 The Basic command SPOLL 6 is therefore not suitable for Serial Polling with HP 85 Serial Polling must thus be formulated by the user e g as subprogram SUB 100 1 SEND 7 UNL MLA Unlisten HP 85 becomes Listener 11 SEND 7 CMD CHR 24 SPE start of Serial Polling 12 SEND 7 TALK 6 unit with Address 6 becomes Talker 13 RESUME 7 ATN inactive 14 ENTER 7 USING B S6 Status Byte is read 15 SEND 7 CMD CHR 25 SPD end of Serial Polling 160 SEND 7 UNT Untalk 170 RESUME 7 18 RETURN If several units are to be operated via Serial Polling the program block line 12 13 and 14 must be provided with the appro priate unit address and repeated before line 15 Cyclical polling of Service Request SOR Line 2 STATUS 72 S Status of SOR Line polled 21 IF BIT S 5 1 THEN 23 Interface Status Register 220 GOTO 2 23 GOSUB 1 Subprogram for Serial Polling 24 ENTER 7 6 A 250 DISP A 260 GOTO 2 Service Request releases Interrupt in HP 85 3 ON INTR 7 GOSUB 35 31 ENABLE INTR 7 8 SRO Interrupt is released 320 GOTO 320 infinite loop up to Interrupt 350 STATUS 71 S Interface Status Register 1 36 GOSUB 1 37
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