Heidenhain ND221B readout
Contents
1. Model 5 Reference Millimeters Inches 2 marks Display Display 2 step step E E in mm t 2 in inches 2 5 o9 oS o E OE OE 31 P 43 P33 P38 P33 P38 CT 2 Single 0 0005 5 4 0 00002 2 5 MT xx01 0 0002 2 4 0 00001 1 5 LIP 401A 401R Single 0 0001 1 4 0 000005 5 6 0 00005 5 5 0 000002 2 6 Recomma only for LIP 401 0 00002 2 5 0 000001 1 6 0 00001 1 5 0 0000005 5 7 0 000005 5 6 0 0000002 2 7 LF 103 103C 4 Single 5000 0 001 1 3 0 00005 5 5 LF 401 401C 0 0005 5 4 0 00002 2 5 LIF 101 101C 0 0002 2 4 0 00001 1 5 LIP 501 501C 0 0001 1 4 0 000005 5 6 LIP 101 Single 0 00005 b 5 0 000002 2 6 Recomma only for LIP 101 0 00002 2 5 0 000001 1 6 0 00001 1 5 0 0000005 5 7 MT xx 10 Single 0 0005 5 4 0 00002 2 5 0 0002 2 0 00001 1 5 0 0001 1 4 0 000005 5 6 LS 303 303C 20 Single 1000 0 01 1 2 0 0005 5 4 LS 603 603C 0 005 5 3 0 0002 2 4 Recommd parameter settings for HEIDENHAIN linear encoders with 11 pA signals continued Model Reference Millimeters Inches 2 marks Display Display step step o ini o 3H in mm E in inches EE E 2 o o9 o o jaa 31 43 33 38 33 38 LS 106 106C 20 Single 1000 0 001 1 3 0 00005 5 5 LS 406 406C 0 0005 5 4 0 00002 2 5 LS 706 706C ST 1201 LB 302 302C 40 Single 2000 0 005 5 3 0 002. PK r jeisiT T 4 sent see 13 characters 3 char 6 characters 2 char Point spacing left aligned Sep block Point spacing End of line right aligned Value Table m Output Format of the Compensat ion 4th line Datum Output of datum for compensation pjAuM 7 TTT LLLI olol ol of lt cr kLr gt 13 characters 3 char 13 characters 2 char Datum left aligned Sep block Value for datum right aligned End of line 5th line Compensation value 0 Output of compensation value no 0 c MPI l fe o lt cR gt lt LF gt 13 characters 3 char 13 characters 2 char Compensation value no left aligned Sep block Compensation value right aligned End of line Subsequent lines Output of compensation values 1 63 Output of compensation value cMP ef f fet lol Jo 2 3 lt cr gt lt tr gt 13 characters 3 char 13 characters 2 char Compensation value no left aligned Sep block Compensation value right aligned End of line Last line Each compensation value table ends with the final character lt gt HEX 0 2 CR lt LF gt Output Format of the Compensation Value Table 3 characters Compensation value table for ND 221 B length measurement Factory default setting Compensation value table ND
3. Pin Signal Assignment Data format 1 start bit 7 data bits 1 CHASSIS GND Chassis ground Even parity bit 2 TXD Transmitted data 2 stop bits 3 RXD Received data Control characters Call measured value STX Ctrl B Interrupt DC3 Ctrl S 4 RTS Request to send 3 Continue DC1 Ctrl O 5 CTS Clear to send Interrogate error message ENO Ctrl E 6 DSR Data set ready Example Data sequence during measured value output SIGN GND Signal ground Measured value 5 23 mm 8to19 Not assigned inal 20 DTR Data terminal ready Measured value output 21t025 Not assigned 5 ES E CAS 2 ih if amp 0 Q Levels for TXD and RXD Algebraic sign z Q Numerical value with decimal point 10 characters on Logic level Voltage level the whole leading zeros are output as blank spaces Active 3Vto 15V 3 Blank space f 2 Unit Not active 3Vto 15V Blank space mm inch fault Blank space Levels for RTS CTS DSR and DTR Blank space D carriage return Logic level Voltage level 8 LF line feed Active 3Vto 15V Not active 3Vto 15V Operating parameters for measured value output Parameter Function P50 RS232 Baud rate P51 RS232 Number of additional blank lines for measured value output Duration of measured value transfer 187 11 number of blank lines s baud rate Duration of storage and measured value transfer The time required for data transfer
4. HEIDENHAIN User s Manual Measured Value Displays English en 12 2001 Display of actual value and input Numeric keypad 9 decades with algebraic sign with decimal point Status display with indicators B Function Set datum Transfer input value Set display to value from P79 P80 Leave parameter list Select datum 4 d Page backwards in parameter list Select parameter after switch on MOD g e Page forward in parameter list e Start measured value output PRINT Delete entry Set display to zero P80 CL plus MOD select parameter list CL plus number select parameter Delete parameter input and show parameter number Algebraic sign Reduce parameter value Decimal point ncrease parameter value Indicator Meaning REF If the decimal point is also blinking Display is waiting for reference mark traversing If decimal point is not blinking Reference mark has been traversed display stores datum points in nonvolatile memory Blinking display is waiting for ENT or CL to be depressed inch Position values in inches lh j2 Selected datum point PRINT Measured value output with MOD key SET Blinking Display is waiting for input values lt gt Without function MIN MAX DIFF ACTL START Items supplied with ND 221 B Measured value display unit ND 221B benchtop model E
5. SCALING FACTOR OFF 0 ON 1 SCALING FACTOR 1 000000 value input without sign COUNTING DIRECTION POS 0 NEG 1 SIGNAL PERIOD 10 um value input without sign COUNTING MODE 0 5 5 0 2 2 0 1 1 DECIMAL PLACES 4 range 1 8 COMPENSATION OFF 0 LIN 1 MULTI 2 LINEAR COMPENSATION 0 um m value input BACKLASH compensation 0 0000 mm value input SINGLE REFERENCE MARK 0 500 1000 2000 5000SP REF ON 1 REF OFF 0 OFF 0 FRQ 1 2 FRQ CONT 3 BAUD RATE 9600 110 38400 LINE FEES 1 0 99 DATUM SETTING 0 value input CL ENT OFF 20 CL ON 1 CL ENT 2 DISPLAY MESSAGE ON 1 MESSAGE OFF 0 MOD KEY PRINT OFF 0 PRINT ON 1 NATIONAL LANGUAGE 0 1 DE 2 FR 3 1 4 5 6 DA 7 55 8 FI 9 CS 10 11 HU 12 Final character Output Format of the Compensation Value Table 1st line Start Each compensation value output begins with the start character lt gt 0x2A CR lt LF gt 3 characters 2nd line Counter model designation Output of model designation and unit of measure N D 2 2 1 B lt CR gt lt LF gt 13 characters 5 characters 2 characters Model display unit left aligned Unit of meas of line 3rd line Spacing of compensation points Output of distance between compensation points
6. numerical value with 9 characters CR LF Output of error text The displayed error text is transmitted Functions only if an error message is displayed lt STX gt JO R CR LF String STX 13 characters CR LF Remote Operation over the RS 232 C V 24 Data Interface i Remote Operation over the RS 232 C V 24 Data Interface A N Output of software number The current software number is transmitted lt STX gt 3 4 9 7 9 7 0 4 CR LF String STX 10 characters CR LF Output of status indicators The condition of the status display is transmitted Example 0 Status indicator dark 1 Status indicator glows 2 Status indicator blinks lt STX gt 0 1 0 0 10 0 0 0 0 0 0 CR3 LF abcde fg String STX 14 characters CR LF a REF reference point b datum 1 datum 2 d SET set datum f PRINT data output g inch inch display Execute functions FXXX commands The display unit acknowledges every correctly received command by transmitting the control character ACK Acknowledge Control F Then it executes the command It answers unrecognized or invalid commands by sending the control character NAK No acknowledge Control U Print Output of the current measured value The measured val
7. Cause REC PARAM Error during reception of parameter and compensation value lists Other error displays If OVERFLOW appears the measured value is too large or too small gt Set anew datum or Traverse back To clear error messages Once you have removed the cause of the error Clear the error message with the CL key Ports X1 and X31 comply with the recommendations in EN 50 178 for separation from line power Data interface X31 V 24 RS 232 C C Je e Encoder input X1 100 240V 50 80Hz HEIDENHAIN flange socket 9 pin Input signals NY 11 M Maximum encoder cable length 30 m 98 5 ft Maximum input frequency 100 kHz RS 232 C V 24 data interface X31 25 pin D sub connection female Accessories Connecting elements Connector male 25 pin for D sub connection X31 Id Nr 245 739 ZY Data interface cable complete 3 m 9 9 ft 25 pin for D sub con nection X31 Id Nr 274 545 01 Input X1 for one HEIDENHAIN Ground connection 11 pA linear encoder Rear Panel Accessories Mounting You can fasten the ND 221 B from below by using 4 screws see illustration at right Mounting ND 221 B display units are stackable Adhesive plug in feet supplied with your unit prevent the stacked units from being moved out of
8. P01 is set to the default setting P01 MM MM 0 Input Output of Parameter and Compensation Value Lists ow Output Format of the Parameter List 34 Output Format of the Parameter List 1st line Each parameter ou lt gt lt 1 gt 2nd line 3 characters Output of the counter designation put begins with the start character HEX Ox2A Subsequent lines for the individual parameters a Parameters Nb 2 2 1 B IMM CR lt LF gt 13 characters 5 characters 2 characters Model of display unit unit of meas end of line Parameter settings can be changed with the MINUS key e g counting direction positive counting direction negative etc Examples islet sje A tiriN e ol lt cro lt tr gt 15 characters 3 char 13 characters 6characters 2 characters P5o 1852 32 13 84 00 B AJUD 3 8 40 0 lt gt lt 1 gt 15 characters 3 char 13 characters char characters 2 characters Parameter designation Tex Separator Parameter in plain language Separator Parameter value of line eft aligned right aligned block right aligned block right aligned b Parameters Parameter settings can be c
9. between length gauge position and display value will be evaluation function lost if the power is interrupted or if the unit is switched off The position value that was last assigned to the reference mark position is displayed e REF indicator lights up 5 697 Decimal point is blinking Cross over the reference mark Move the plunger until the display starts 0 counting and the decimal point stops blinking The display is now ready for operation For automation purposes crossing over the reference marks and the display ENT CL can be disabled with parameter P82 DatumSetting The datum setting procedure assigns a display value to a known position With the ND 200 series you can set two separate datum points 2 There are several ways to set the datum Enter a numerical value or 2 Transfer a value from an operating parameter see P79 P80 2 Select datum 1 or 2 C Without datum setting unknown assignment of measured values to positions Enter numerical value here 5 5 2 Confirm the entered numerical value 15 You can switch between datums 1 and 2 as desired Datum 2 can be used for example for working with incremental 10 dimensions 5 When you switch back to datum 1 the display unit resumes 0 display of the encoder s actual position After datum setting assignment of measured values to posit
10. place 172 0 2 6 77 008 Ic 140 0 2 5 51 008 Hole positions for mounting the ND display unit i Alternatives of stacking the display units Power Connection The rear panel of the ND 221 B contains a connecting jack for a power cord with Euro connector power cord supplied with the delivery Minimum cross section of the power cord 0 75 mm Power supply 100 Vac to 240 Vac 15 to 1096 50 Hz to 60 Hz x 2 Hz A voltage selector is therefore not necessary Danger of electrical shock Unplug the power cord before opening the housing Connect the grounding conductor Do not interrupt the grounding conductor Danger to internal components Do not engage or disengage any connections while the unit is under power Use only original replacement fuses To increase noise immunity connect the ground um terminal on the rear panel to the central ground point of the machine Minimum cross section 6 mm Power Connection Operating Parameters Operating Parameters Operating parameters allow you to modify the operating characteristics of your ND display unit and define the evaluation of the encoder signals Operating parameters are designated by e the letter P a two digit parameter number and an abbreviatio
11. 02 2 4 LIDA 10x 10xC 0 002 2 3 0 0001 1 4 0 001 1 3 0 00005 5 5 0 0005 5 4 0 00002 2 5 only for LB 302 0 0002 2 4 0 000001 1 5 0 0001 1 4 0 0000005 5 6 LB 301 301C 100 Single 1000 0 005 5 3 0 0002 2 4 0 002 2 3 0 0001 1 4 0 001 1 3 0 00005 5 5 LIM 501 10240 Single 0 1 1 1 0 005 5 3 0 01 1 2 0 0005 5 4 0 05 5 2 0 002 2 3 Linear Encoders Nonlinear Axis Error Compensation 22 Nonlinear Axis Error Compensation ng If you want to use the nonlinear axis error compensation feature you must e Activate the feature with operating parameter 40 see Operating Parameters e Traverse the reference marks after switching on the display unit e Enter a compensation value table Your machine may have a nonlinear axis error due to factors such as axis sag or leadscrew errors Such deviations are usually measured with a comparator measuring system such as the HEIDENHAIN VM 101 You select the compensation table through P00 CODE and by entering the code number 10 52 96 see Operating Parameters Ascertaining the compensation values To ascertain the compensation values e g with a VM 101 you must select the compensation table and then press the non key to select the REF display The letter at the left of the display indicates that the displayed position value is given with respect to the reference mark If R blinks you must traverse the reference mar
12. 221 SPACING DATUM CMP CMP CMP CMP CMP CMP CMP CMP CMP CMP CMP CMP B TS GT UO UJ UJ UO Ud UJ UO Ug NR NR NR NR 00 01 02 03 04 05 06 07 60 61 62 63 MM 14 0 0000 0 0000 Description Start character Model of the unit unit of measure MM or IN Point spacing 14 range 6 20 Datum 0 mm value input Compensation value 0 0 000 mm compensation value 0 is always 0 Compensation value 1 no value entered Compensation value 2 63 no value entered axis error is not compensated Compensation value table is empty Final character Value Table m Output Format of the Compensat oO lon Remote Operation over the RS 232 C V 24 Data Interface c e Remote Operation over the RS 232 C V 24 Interface You can operate the display unit remotely over the RS 232 C V 24 data interface The following commands are available on the ND 221 B Format lt ESC gt TXXXX lt CR gt Pressed key lt ESC gt AXXXX lt CR gt Output of screen contents lt ESC gt FXXXX lt CR gt Execute function lt ESC gt SXXXX lt CR gt Special function Sequence of commands Meaning lt ESC gt T0000 lt CR gt 0 key lt ESC gt T0001 lt CR gt 1 key lt ESC gt T0002 lt CR gt 2 key lt ESC gt T0003 lt CR gt 3 key lt ESC gt T0004 lt CR gt 4 key lt ESC gt T0005 lt CR gt 5 key lt ESC gt T0006 lt CR gt 6 key lt ES
13. C gt T0007 lt CR gt 7 key lt ESC gt T0008 lt CR gt 8 key lt ESC gt T0009 lt CR gt 9 key lt ESC gt T0100 lt CR gt CL key lt ESC gt T0101 lt CR gt key lt ESC gt T0102 lt CR gt key lt ESC gt T0104 lt CR gt ENT key lt ESC gt T0105 lt CR gt MOD key lt ESC gt T0107 lt CR gt 1 2 datum key Sequence of commands lt ESC gt T1000 lt CR gt lt ESC gt T1001 lt CR gt lt ESC gt T1002 lt CR gt lt ESC gt T1003 lt CR gt lt ESC gt T1004 lt CR gt lt ESC gt T1005 lt CR gt lt ESC gt T1006 lt CR gt lt ESC gt T1007 lt CR gt lt ESC gt T1008 lt CR gt lt ESC gt T1009 lt CR gt lt ESC gt A0000 lt CR gt lt ESC gt A0100 lt CR gt lt ESC gt A0200 lt CR gt lt ESC gt A0301 lt CR gt lt ESC gt A0400 lt CR gt lt ESC gt A0900 lt CR gt lt ESC gt F0002 lt CR gt lt ESC gt S0000 lt CR gt lt ESC gt S0001 lt CR gt lt ESC gt S0002 lt CR gt Meaning CE 0 keys CE 1 keys CE 2 keys CE 3 keys CE 4 keys CE 5 keys CE 6 keys CE 7 keys CE 8 keys CE 9 keys Output of model designation Output of 14 segment display Output of current value Output of error text Output of software number Output of highlighted fields Print Counter RESET Lock keyboard Release keyboard Description of RS 232 C V 24 commands The display unit supports the XON XOFF protocol when executing commands As soon as the internal character buffer 100 characters is full the display unit s
14. E BEGG o number 48 61 53 and confirm Data transfer function TRANSFER Continue with ENT 2 SEND PARAM if Press the ENT key if you want to transmit E the parameter list over the RS 232 C V 24 interface After transmission return to the beginning to transmit or receive further lists Press the decimal point key to continue in the data transmission menu C The display unit is ready receive a parameter list over the RS 232 C V 24 interface After successful reception of the parameter list the display unit resets itself and restarts Continue in the data transfer menu with the decimal point key if read ui TTT nc SEND COMP if 0 NN m With the ENT key you transmit the compensation value list over the RS 232 C V 24 interface After transmission return to the beginning to transmit or receive more lists Continue in the data transfer menu with the decimal point key M M d REC COMP The display unit is ready to receive a parameter list over the RS 232 C V 24 interface After successful reception return to the beginning to transmit or receive more lists Continue in the data transfer menu with the decimal point key if read v m Exit the data transfer function Note on the input output of parameter and compensa
15. ating parameters you can display and if necessary change each protected operating parameter and of course each user parameter Once you have entered the code number the protected operating parameters remain accessible until the display unit is switched off Functions for changing the operating parameters Function Page forward in the list of operating parameters A ey MOD Page backward in the list of operating parameters Reduce parameter value ncrease parameter value Correct entry and display parameter designations Confirm change or numerical entry leave list of operating parameters HSBHE A changed parameter is stored as soon as you e leave the list of operating parameters or page forward or backward after the change Operating Parameters List of Operating Parameters List of Operating Parameters Parameter Settings Function Parameter Settings Function POO CODE Enter a code number P31 S PER Signal period of encoder 95148 Tochange the protected 0 000 000 01 P31 99 999 9999 um operating parameters Default setting 10 um 10 52 96 Nonlinear axis error compensation P33 COUNT Counting mode 24 65 84 To lock the keyboard 0 1 2 3 4 5 6 7 8 9 GUERRE fuod 66 55 A4 To show the software version 24 65 82 Distance to go display 0 2 4 6 8 COUNT 0 2 48 61 53 Input and output of parameter 0 5 COUNT 0 5 and compensation value lists P38 DP POS De
16. cimal places 1 P01 Units of measurement 1 2 3 4 5 6 Display in millimeters MM up to 8 for inch display Display in inches 40 Select encoder compensation P11 SCL Scaling factor No compensation COMP OFF Scaling factor off SCALING OFF Nonlinear up to 64 compensation points for Scaling factor on SCALING ON linear encoders NONL COMP P12 SCL Scaling factor Linear compensation COMP ON Enter a numerical value 0 100000 lt P12 lt 9 999999 Default setting 1 000000 P30 DIR Counting direction Positive counting direction with positive direction of traverse DIRECT POS Negative counting direction with positive direction of traverse DIRECT NI Ei Q 1 Depends on signal period P31 and measuring unit P01 Parameter Settings Function Parameter Settings Function o P41 L COMP Linear error compensation P43 REF Reference marks 9 99 999 9 lt P41 lt 99 999 9 um m One reference mark SINGLE REF E setting 0 Distance coded with 500 SP Example Find input value for P41 SP signal period 500 SP Displayed measuring length L4 620 000 mm A Actual length measured e g Distance coded with 1000 e SP o with the VM 101 comparator e g for HEIDENHAIN LS C 1000 SP system from HEIDENHAIN L4 619 877 mm Distance coded with 2000 e SP 2000 SP Length dif
17. depends on the selected baud rate and the number of additional blank lines Measured value output with CTRL B If the display unit receives the control character STX CTRL B over the RS 232 C V 24 interface it immediately transmits the current measured value back over the interface CTRL B is received over the RXD line of the interface and the measured values are transmitted over the TXD line The measured value can be received and saved using a terminal program e g HyperTerminal which is a component of Windows The basic program below shows the fundamental structure of a program for measured value output Latch signal Storage Data transfer after after STX CTRL B lt 1 ms 37 ms PRINT MOD key 18 ms 36 ms 10 L 18 20 CLS 30 PRINT V 24 RS 232 C 40 OPEN COM1 9600 E 7 AS 1 50 PRINT 1 CHRS 2 60 IF INKEYS lt gt THEN 130 70 C LOC 1 80 IF C lt L THEN 60 90 XS INPUTS L 1 100 LOCATE 9 1 110 PRINT X 120 GOTO 50 130 END RS 232 C V 24 Data Interface X31 UJ BASIC program for measured value output over Ctrl oO N Input Output of Parameter and Compensation Value Lists Input Output of Parameter and Compensation Value Lists Calling the data transfer function t thi T 58 i Select the operating parameters C T di gt Select POO CODE T A P00 cop
18. display by entering the code number 246 582 Display Meaning DELTA OFF Distance to go display not active DELTA ON Distance to go display active Traversing to zero with distance to go display Select datum point 2 Enter the nominal position Move the axis until the display value is zero RS 232 C V 24 Data Interface X31 The RS 232 C V 24 interface X31 of your display unit enables you to output measured data in ASCII format for example to a printer or PC Connecting cable You can use a connecting cable with full wiring figure at upper right or simplified wiring below right A cable with full wiring is available from HEIDENHAIN Id Nr 274 545 xx On this type of cable pin 6 and pin 8 are additionally connected over a jumper Maximum cable length 20 m 66 ft DTR 20 O ND CHASSIS GND 1Q 1 CHASSIS GND TD 2 2 TXD RXD oa 3 RXD RIS 4 4 RTS CTS 5 CTS DSR 6 6 DSR SIGNAL GND RP CT 7 SIGNAL GND DTR 20 20 DTR Full wiring ND CHASSIS GND 1 1 CHASSIS GND TXD ce 2 TXD RXD 3 3 RXD RTS 40 4 RTS cts 50 5 CTS DSR 6O0 6 DSR SIGNAL GND 7 O 7 SIGNAL GND 20 DTR Simplified wiring RS 232 C V 24 Data Interface X31 RS 232 C V 24 Data Interface X31 30 Pin layout RS 232 C V 24 X31 Data format and control characters
19. e heidenhain de www heidenhain de HEIDENHAIN G B Limited 200 London Road Burgess Hill West Sussex RH15 9RD Great Britain 01444 247711 FAX 01444 870024 350 273 22 SW 349 797 04 6 12 2001 E Printed in Germany Subject to change without notice
20. ends the control character XOFF to the sender After the buffer has been executed the display unit sends the control character XON to the sender and is then ready to receive data again Pressed key TXXXX commands The display unit acknowledges each identified key command by sending the control character ACK Acknowledge Control F Then the key command becomes effective The display unit responds to commands that cannot be identified or to invalid commands by sending the control character NAK No acknowledge Control U Output of model designation The model of display unit software number and the date of software release are transmitted Example lt STX gt 0 124211 lt CR gt lt LF gt 4 9 7 9 7 0 4 CR lt LF gt 21010111 105 4014 CR lt LF gt String STX 10 characters CR LF 10 characters CR LF 10 characters CR LF Output of 14 segment display The contents displayed are transmitted also dialogs and error messages lt STX gt 112 3 4 5 6 7 8 9 CR lt LF gt String STX Min 10 to max 13 characters CR LF depending on the number of commas and decimal points Output of current value The current position value without decimal point with leading zeros is transmitted SI 11 2 3 4 5 6 7 8 9 CR lt gt String STX Algebraic sign
21. ference AL L La 123 um Distancecoded with BODO SP Sone SE 2 Compensation factor k 2 P41 o k 2 AL Lg 123 um 0 62 m k 198 4 um m P44 REF Reference mark evaluation As Evaluate the reference mark REF ON o PA2 BKLASH Backlash compensation Input range mm 9 999 to 9 999 Do not evaluate the reference Default setting 0 000 no backlash compensation P45 ALARM Encoder monitoring During a change in direction the mechanical play between the No monitoring SIS encoder and table the so called backlash can cause error Monitor the frequency FREQUENCY Positive backlash The rotary encoder moves before the table Monitor contamination CONTAMINAT therefore display value is too high positive value input Negative backlash The rotary encoder moves after the table Contamination frequency FRQ CONT therefore the display value is too low negative value input P50 RS232 Baud rate 110 150 300 600 1200 2 400 4 800 9 600 19 200 38 400 baud d 17 List of Operating Parameters Parameter P51 RS232 Settings Function Additional blank lines during data output 0x 51 99 Default setting 1 BK LINE 1 P79 PRESET Value for datum point Enter numerical value for datum setting with ENT key P80 ENT CL Set display No set Set with CL ENT CL ENT OFF Zero reset with CL Setting disabled with ENT CE
22. hanged by entering a value e g CORRECT LIN 13 600 etc PI18 LI ICILIAISI S 11210 d d d d lt CR gt lt LF gt 15 characters 3 char 13 characters 2 characters 14 1 LI clolM P s 1 4 0 0 0 CR lt LF gt 15 characters 3 char 13 characters 2 characters Parameter designation Text Separator Parameter value End of line left justified right justified block right justified Last line Each parameter list ends with the final character lt gt HEX 0 2 lt CR gt lt LF gt The parameter text is sent in the language you have set and corresponds to the dialog text that is shown on the display unit The parameter value not the text is definitive when the parameters are transferred to the display unit Output Format of the Parameter List Output Format of the Parameter List Parameter List for ND 221 B factory default setting Parameter List D 221 B P01 11 P12 P30 P31 P33 P38 P40 P41 P42 P43 P44 P45 P50 P51 P79 P80 P82 P86 P98 REF ALARM RS232 RS232 PRESET ENT CL DRO ON REF MOD LANGUA MM SCALING OFF 1 000000 DIRECT POS 10 COUNT 0 5 DP POS 4 COMP OFF 0 0 0 0000 SINGLE REF REF ON FRQ CONT 9600 BAUD EMPTY LINE 0 0000 CL ENT OFF MESSAGE ON PRINT OFF LANGUAGE DE ws 960 pee RB C eS Description Start character Device MM or IN Unit of measure MM 0 INCH 1
23. ions Measured Value Output data interface X31 information on the data format etc see the chapter RS 232 C V 24 Interface X31 07 For technical information on the RS 232 C V 24 Measured values can be output over the RS 232 C V 24 interface X31 for example to a printer or PC There are several ways to start measured value output Press the MOD key check the parameter settings for P86 or Input the command STX Ctrl B over the RXD input of the RS 232 C V 24 interface X31 The RS 232 C V 24 interface X31 enables you to connect a printer or a PC to your display unit Error Messages Display Effect Cause RS232 FAST Command for measured value output followed too quickly by another 1 SIGNAL Encoder signal is too weak The scale may be contaminated 1 DSR MISSING The connected device has not sent a DSR signal 1 REF ERR The spacing of the reference marks as defined in P43 is not the actual spacing 1 FORMAT ERR Data format baud rate etc do not match 1 FREQUENCY MEMORY ERR Input frequency too high for encoder input Traversing speed may be too fast 1 Checksum error Check the datum operating parameters and com pensation values for nonlinear axis error compensation If this error recurs contact your service agency 1 These errors are important for the attached device Display Effect
24. issus ON Zero reset with CL and set with ENT to value selected in 79 CL ENT ON Parameter P98 LANGUA Settings Function Conversational language German English French Italian Dutch Spanish Danish Swedish Finnish Czech Polish Hungarian Portuguese LANGUAGE ANGU AGE DE EN LANGU LANGU LANGU AGE AGE AGE AGE FR IT NL X AG AGE AGE AGE AGE AGE AGE DA SV FI CS PL HU PT P82 DRO ON Message after switch on ENT CL message MESSAGE ON P86 MOD No message MESSG OFF PRINT via MOD disabled PRINT OFF PRINT via MOD enabled PRINT ON Linear Encoders The ND 221 B display unit is designed for use together with photoelectrical encoders with sinusoidal signals 11 App Display step with linear encoders You can select a specific display step by adapting the following operating parameters Signal period P31 Counting mode P33 e Decimal places P38 Example Linear encoder with a signal period of 10 um Desired display step 0 000 5 mm Signal period P31 10 Counting mode P33 5 Decimal places P38 4 The tables on the following pages will help you to select the appropriate parameter settings Linear Encoders Linear Encoders 20 Recommended parameter settings for HEIDENHAIN linear encoders with 11 pA signals
25. k Entries in the compensation value table Datum Here you enter the point at which the compensation is to begin This point indicates the absolute distance to the reference point Do not change the datum after measuring the axis error and before entering the axis error into the compensation table Spacing of the compensation points The spacing of the compensation points is expressed as Spacing 2 um Enter the value of the exponent x in into the compensation value table Minimum input value Maximum input value 6 2 0 064 mm 20 2 1048 576 mm Example 900 mm traverse with 15 compensation points gt 60 000 mm spacing between points Nearest power of two 2 65 536 mm see Table for determining the point spacing Input value in the table 16 Compensation value You enter the measured compensation value in milli meters for the displayed compensation point Compensa tion point O always has the value 0 and cannot be changed Table for determining the point spacing Exponent Point spacing in mm in inches 6 064 0023 7 128 0050 8 256 0100 9 512 0200 10 024 0403 11 2 048 0806 12 4 016 1581 13 8 192 3225 14 6 384 6450 15 32 768 1 290 16 65 536 2 580 17 31 072 5 160 18 262 144 10 32 19 524 288 20 64 20 048 576 41 25 Nonlinear Axis Error Compensation Nonlinear Axis Error Compensation Selecting the compensation table entering an axis correc
26. n Example PO1 INCH The factory settings of the operating parameters are indicated in the parameter list see List of Operating Parameters in boldface type Parameters consist of user parameters and protected operating parameters which can only be accessed by entering a code number User parameters User parameters are operating parameters that can be changed without entering the code number to P30 P50 P51 P79 P86 P98 The functions of the individual user parameters are detailed in the list of operating parameters see List of Operating Parameters To access a user parameter after switching on the display While ENT CL is displayed MOD Display first user parameter during operation Together To go directly to a user parameter Display first user parameter Together M x Press and hold CL while entering the first digit of the parameter number here 1 A Cup Enter the second digit of the parameter number here 2 The display shows the selected user parameter Code number for changing protected operating parameters If you wish to change protected operating parameters you must first enter the code number 95 148 Select the user parameter POO CODE Enter the code number 95 148 gt Confirm entry with ENT Parameter P30 appears on the display By paging through the list of oper
27. ncoder input 11 App Id Nr 344 992 xx Power cord 3 m 9 9 ft User s Manual ND 221 B Adhesive plug in feet For stacking ND 221B units This manual is for the ND 221 B measured value um display with the following software number or higher 349 797 04 The software number is indicated on a label on the rear panel Contents Working with the ND Display Units Installation and Specifications Position Encoders and Reference Marks 6 Rear Panel Accessories 11 Switch On Traversing Reference Marks 7 Mounting 12 Datum Setting 8 Power Connection 13 Measured Value Output 9 Operating Parameters 14 Error Messages 10 List of Operating Parameters 16 Linear Encoders 19 Nonlinear Axis Error Compensation 22 Locking the Keypad 26 Displaying the Software Version 27 Distance to Go Mode 28 RS 232 C V 24 Interface X31 29 Input and Output of Parameter and 32 Compensation Value Lists Output Format of the Parameter List 34 Output Format of the Compensation ValueTable 37 Remote Operation over the RS 232 C V 24 40 Data Interface Specifications 43 Dimensions 44 Position Encoders and Reference Marks The ND 221 B display unit is designed for use with photoelectrical linear encoders with 11 pA sinusoidal signals primarily for HEIDENHAIN MT length gauges with 11 The MT length gauges have one reference mark The scales of other photoelectric linear encoders see Linear Encoders can c
28. nual average 90 in rare cases Power supply Primary clocked power supply 100 Vac to 240 Vac 15 to 10 50 Hz to 60 Hz 2 Hz Line fuse F 1 A inside the housing Power consumption 8 W typically Electromagnetic compatibility Class B according to EN 55022 Input frequency ND 221B Max 100 kHz for 30 m cable length Display step Adjustable see Linear Datum points Two RS 232 C V 24 Baud rates interface 110 150 300 600 1 200 2 400 4 800 9 600 19 200 38 400 baud Specifications 43 Specifications ND 221 B Dimensions in mm inches to E 5 VENE FRE LEER xo TENE EUNT ILC Ole REF 1 L2 SET START PRINT inch lt gt MN NMA x 6 325 140 0 2 9 41 ela 24 1 em Y 33 5 B 172 40 2 zi 137 6 77 008 8 82 15 HEIDENHAIN DR JOHANNES HEIDENHAIN GmbH Dr Johannes Heidenhain Stra e 5 83301 Traunreut Germany 49 8669 31 0 49 86 69 50 61 e mail info heidenhain de Service 49 86 69 31 12 72 TNC Service 49 86 69 31 14 46 FAX 49 86 69 9899 e mail servic
29. onfirm with ENT or cancel with CL Exit the compensation table mode Nonlinear Axis Error Compensation Locking the Keypad 26 Locking the Keypad You can disable or re enable the keypad by entering the code number 24 65 84 Select the user parameter POO CODE see Operating Parameters Enter the code number 24 65 84 gt Confirm the entry with ENT gt With the e or key select KEYS ONor KEYS OFF Confirm your selection with ENT If the keypad is locked you can only select the datum or select POO CODE over the MOD key Displaying the Software Version To display the software version of the display unit enter the code number 66 55 44 Select the user parameter POO CODE gt Enter the code number 66 55 44 gt Confirm your entry with ENT The display unit shows the software number With the key you can switch the display to the date of issue gt To exit the software version display mode press ENT Displaying the Software Version Distance to Go Mode 28 Distance to Go Display Mode Normally the display shows the actual position of the en coder However it is often more helpful to display the re maining distance to an entered nominal position especially when you are using the display unit for machine tools and au tomation purposes You can then position simply by traversing to display value zero You can access the distance to go
30. ontain one reference mark or many distance coded reference marks If there is an interruption of power the relationship between the position of the length gauge and the displayed position value is lost The reference marks on the position encoders and the REF reference mark evaluation feature enable the display unit to quickly reestablish this relationship again when the power is restored When a reference mark is crossed over a signal is generated which identifies that position as a reference point At the same time the display unit restores the relationship between length gauge position and display values which you last defined by setting the datum To restore the datum on scales with distance coded reference marks you only need to traverse a maximum of 20 mm signal period 20 um Scale in Distance coded linear encoder reference marks Reference mark Reference marks on linear encoders Switch On Traversing the Reference Marks REF Mode Crossing over the reference marks automatically switches Turn on the power the display to REF mode The last assignment of display Switch located on rear panel values to length gauge positions is stored in nonvolatile e ND 221 B appears for two seconds memory ENT CL appears e REF indicator is blinking 1 Press the CL key if you choose not to traverse the reference marks Note that in this case the relationship END Switch on the reference mark
31. tion r together Select the operating parameters Select POO CODE 0 CX CODE Enter the code number 10 52 96 confirm with ENT ELI E w DATUM shown for approx two seconds Enter the active datum for the error on the axis to be confirmed e g 27 mm Press MOD to select the next input box SPACING Enter the spacing of the compensation points on the axis to be corrected for example 219 equals 1 024 mm Press MOD four times select COMP NR 01 You cannot enter values in the POS NR 00 COMP NR 00 and POS NR 01 boxes Cu of 2x COMP NR 01 Enter the associated compensation value e g 0 01 mm Press MOD twice to select COMP NR 02 You cannot enter any values in the POS NR 02 box wyr oana 2 Ig COMP NR 02 Enter all further compensation points If you want so select a compensation point directly press CL and simultaneously enter the desired compensation point number ENT Conclude entry Deleting a compensation value table together CL with MOD XQ Select the operating parameters Select POO CODE gt P00 CODE EIE ES Enter the code number 10 52 96 confirm with ENT C DATUM Select the delete function C
32. tion value lists With a terminal program e g HyperTerminal included with Windows you can receive the lists output by the display unit over the RS 232 C V 24 interface as text files and save them on your PC Each list must be saved as a separate text file You can then use the terminal program to transmit the text files back to the display unit If you wish you can edit the text files with a text editor and change the parameter values for example However this requires knowledge of the different output format of the lists see following pages When receiving lists the display unit expects the same list structure as used for the output When receiving lists the display unit first waits for the starting character The receiving mode ends as soon as the display unit has received the final character The lists received are first checked for the type of display unit line 2 of output list The receiving display unit accepts only lists prepared by the same type of display unit Furthermore the list is checked for completeness Lists that contain for example too many or too few parameters are ignored If an error occurs the following error message appears REC ERROR To clear the error message press the CL key If the display unit receives invalid parameter values it sets the respective operating parameter to the default setting Example 1 INCH INCH 3 The value is not allowed The parameter
33. ue string is transmitted as described in the manual page 30 Same function as calling the measured value with STX Control B Special functions SXXX commands Counter RESET The software resets the counter and the counter restarts Function same as switching the display unit off and on Locking the keypad The display unit acknowledges the special function by sending the control character ACK acknowledge All keys of the display unit are locked The counter can be operated only by external RS 232 C V 24 commands The keyboard can be unlocked either by sending the special function Unlock keyboard or by switching the display unit off and on Unlocking the keypad The display unit acknowledges the special function by sending the control character ACK acknowledge This unlocks a keyboard that has been locked with the special function Lock keyboard Specifications Housing ND 221 B Benchtop design cast metal housing W e e D 239 mm 84 6 mm 224 mm Noise immunity As per VDE 0843 Parts 2 and 4 severity 4 Protection IP40 according to IEC 529 Operating temperature 0 to 45 C 32 to 113 F Storage temperature 20 C to 70 4 F to 158 F Weight Approx 1 5 kg Encoder inputs For encoders with sinusoidal output signals 11 reference mark evaluation for distance coded and single reference marks Relative humidity 7596 an
Download Pdf Manuals
Related Search