35026723 - heidenhain
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1. Pla sleli s slei Ati nie o F F 0 lt cr gt ar gt 15 characters 3 char 13 characters 3 char 6 characters 2 characters Psio IRis 232 l3 sl4 ojo B Aiu o 3f8 40 o lt cr gt lt F gt 15 characters 3 char 13 characters 3 char 6 characters 2 characters Parameter designation Text Separator Parameter in plain language Separator Parameter value End of line left aligned right aligned block right aligned block right aligned Output Format of the Parameter List 53 Output Format of the Parameter List 54 b Parameters Parameter settings can be changed by entering a value e g LINEAR COMP 13 600 etc P 1 8 LI ICIL AISI S 1 2 0 0 0 0 0 lt CR gt lt F gt 15 characters 3 char 13 characters 2 characters P141 Li C O M P 1 4 O O O lt CRS lt LF gt 15 characters 3 char 13 characters 2 characters Parameter designation Text Separator Parameter value End of line left aligned right aligned block right aligned Last line Each parameter list ends with the final character lt gt HEX 0x2A x 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 pa2. MIN Series of measurements The MIN MAX and DIFF values of an uneven surface MAX MIN Example Measurement series for determining eccentricity e Starting a series of measurements Switching between MIN MAX DIFF and ACTL displays Repeatedly Select the display for a series of meas It is not possible to switch between the displays as M OD urements described below if the switching input for extemal The selected indicator starts blinking control of the series of measurements pin 6 on MAX here MAX D sub connection EXT is active y As an altemative you can select the display with operating Confim selection parameter P21 see Operating Parameters Repeatedly Select the new display of a series of MOD measurements The selected indicator starts blinking MIN here MIN Xv A w wr C i END Confirm the change Start the series of measurements The display now shows the smallest value measured during the r current series of measurements Indicator preselection Press MOD to start the series of measurements and select the display with the indicators Operating parameter P86 allows you to define which indicator is displayed first when MOD is pressed Starting a new series of measurements Repeatedly Select the indicator START MOD The START indicator starts blinking START gt af Start a new series of m
3. Pulse t lt lus Measured value output after t2 lt 57 ms Regeneration time t32 0 Duration of measured value transfer 2 187 11 number of blank lines t p baud rate s EXT X41 Pin 23 O Pin 1 0V O EXT X41 Pin 22 O Mea Pin 1 0V Triggering the Contact and Pulse inputs at D sub connection EXT X41 ae te a eel t t2 ts ca tp Signal transit times for measured value output after Pulse or Contact RS 232 C V 24 Data Interface X31 49 RS 232 C V 24 Data Interface X31 50 Measured value output with CTRL B If the display unit receives the control character STX Ctr B over the RS 232 C V 24 interface it 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 transferred over the TXD line The measured values can be received and saved using a terminal program e g HyperTerminal which is a component of Windows The basic program at the upper right shows the fundamental structure of a program for measured value output Characteristic times for measured value output Process Time Storage after t lt 1ms Measured value output after t2 lt 50 ms Regeneration time t320 for example series of measurements with DIFF value display att These times are prolonged if functions are active Duration of meas
4. HEIDENHAIN User s Manual Measured Value Displays English en 10 2002 Display of actual value and input 9 decades with algebraic sign REF 41 42 SET START PRINT inch lt gt MIN ACTL MAX DIFF Status display with indicators Numeric keypad with decimal point Key Function 7 Set datum END e Transfer input value e Set display to value from P79 P80 e Leave parameter list hi 7 Select datum aod Page backwards in parameter list M OD Select parameter after switch on Page forward in parameter list e Start series of measurements e Switch display for measurement series e Start measured value output PRINT P e Delete entry e Set display to zero P80 e CL plus MOD select parameter list e CL plus number select parameter e Delete parameter input and show parameter number Algebraic sign e Reduce parameter value e Decimal point e Increase parameter value 1 Only in linear measurement mode Indicator Meaning 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 12 42 Selected datum point PRINT Linear measurement Blinking Display is waiting for ENT to be pressed for dat
5. 0 001 1 3 0 00005 5 5 LS 486 486C 0 0005 5 4 0 00002 2 5 ST 1281 Linear Encoders 31 Linear Encoders Recommended parameter settings for HEIDENHAIN linear encoders with 1 V signals continued Model Reference Millimeters Inches marks Display 3 Display 3 step j step j 8 5 in mm E S in inches 5g 9 EE Se gE 82 8E P31 P P33 P38 P33 P38 LB 382 382C 40 Single 2000 0 005 5 3 0 0002 2 4 LIDA 18x 18xC 0 002 2 3 0 0001 1 4 0 001 1 3 0 00005 5 5 0 0005 5 4 0 00002 2 5 Recomma only for LB 382 0 0002 2 4 0 00001 1 5 0 0001 1 4 0 000005 5 6 LB 381 381C 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 Recommended parameter settings for HEIDENHAIN angle encoders with 11 pA 1V signals Model g S Reference Display n marks step z B35 BS Eg D5 g 3 8 2i OE 2 P36 P43 P37 P38 ROD 450 3600 One Single 0 01 1 ROD 456 ROD 486 0 005 5 3 ROD 1080 0 001 1 3 ROD 250C ROD 280 C 9000 Dist 500 0 005 5 3 RON 255C RON 285 C coded 0 001 1 3 ROD 250C ROD 280C 18 000 Dist 1000 0 001 1 3 ROD 255C RON 285 C coded 0 0005 5 4 ROD 700C ROD 780 C 0 0001 1 4 RON 705 C RON 785 C RON 706 C RON 786 C RON 905 36 000 One Single 0 0001 4 ROD 800 C ROD 880C 36000 Dist 1000 0 0001 1
6. ROD 806 C ROD 886 C coded Convert decimal degrees into degrees minutes seconds 1 degree 1 60 minutes 60 1 minute 1 60 seconds 60 1 second 1 0 000278 Angle Encoders 33 Axis Error Compensation ipoi Mult 34 Multipoint Axis Error Compensation ng If you want to use the multipoint 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 In the linear measurement mode You can make a compensation value table with 64 compensation values In the angular measurement mode You can make a compensation value table with 72 compensation points point spacing 5 degrees The datum is the reference point You select the compensation table through POO 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 aVM 101 you must select the compensation table and then press the key to select the REF display The letter R at the left of the display indicates that the displayed position value is given wi
7. 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 REF 0 500 1000 2000 5000S P REF ON 1 REF OFF 0 OFF 0 FRQ 1 CONTAMINAT 2 FRQ CONT 3 BAUD RATE 9600 110 38400 LINE FEEDS 1 0 99 Switching limit 1 A1 0 value input Switching limit 2 A2 0 value input DATUM SETTING 0 value input CL ENT OFF 0 CL ON 1 CL ENT ON 2 DISPLAY ENT CL ON 1 ENT CL OFF 0 EXTERNAL REF OFF 0 EXTERNAL REF ON 1 MOD key START 0 PRINT 1 MIN 2 ACTL 3 MAX 4 DIFF 5 NATIONAL LANGUAGE 0 EN 1 DE 2 FR 3 I 4 NL 5 ES 6 DA 7 SV 8 F 9 CS 10 PL 11 HU 12 PT Final character Output Format of the Parameter List 55 Output Format of the Parameter List 56 Parameter list for ND 281 B Angular measurement mode of operation factory default setting Parameter list ND 281 B DEC P02 X1 X2 POS DISPL P09 ANGLE P17 CLASS P18 L CLASS P19 U CLASS P23 DISPL P30 DIR P36 SP R P37 STEP P38 DEC P40 COMP P43 REF P44 REF P45 ALARM P50 RS232 P51 RS232 P62 Al P63 A2 P79 PRESET P80 ENT CL P82 DISPL ON P85 EXT REF P86 MOD P98 LANGUA X1 11 uAPP DEC DEGREE 180 DEG CLASS OFF 0 0000 0 0000 DISPL ACTL DIRECT POS 36000 COUN
8. Function Angle display 180 180 DEG ENDLESS 360 360 DEG PIT SCE Scaling factor Scaling factor off SCALING OFF Scaling factor on SCALNG ON P12 SCL Scaling factor Enter a numerical value 0 100000 lt P12 lt 9 999999 Default setting 1 000000 P17 CLASS Sorting and tolerance checking Sorting and tol checking ON CLASS ON Sorting and tol checking OFF CLASS OFF P18 L CLASS P19 U CLASS Lower limit for sorting Upper limit for sorting P21 SERIES Display for series of measurements OFF MIN MAX ACTL DIFF 1 Only in linear measurement mode 2 Only in angular measurement mode Parameter Settings Function Parameter Settings Function P23 DISPL Display stop for measured value output P37 STEP Counting mode 2 k Concurrent display no display freeze 0 1 2 3 4 5 6 7 8 9 COUNT 0 1 the display value is the current actual 02 468 CUNT 622 G value DISPL ACTL Frozen display hold display until next o3 oss measured value output DISPL HOLD P38 DEC Decimal places 3 2 z 1 2 3 4 5 6 Frozen concurrent display freeze display up to 8 for inch display as long as Pulse Contact for measured value output is present DISPL STOP P40 COMP Select encoder compensation ES ae Counting direction No compensation COMP OFF 5 Positive counting direction
9. Start Each compensation value output begins with the start character lt gt HEX 0x2A lt CR gt lt LF gt 3 characters Line Counter model designation Output of model designation and unit of measure Ila eee M mM lt CR gt lt LF gt 13 characters Model display unit left aligned Line Compensation value 0 Output of compensation value no 0 5 characters 2 characters Unit of meas End of line TEE Te NS el OST ea a Pe Tiel 20 eo ere Sere aa 13 characters 3 char 13 characters 2 characters Compensation value no left aligned Sep block Compensation value right aligned End of line Output of compensation values 1 63 Output of compensation values cimjej NER 6j3 Jal i T Led fo 2 2 3 crt tr 13 characters 3 char 13 characters 2 characters 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 0x2A lt CR gt lt LF gt 3 characters Output Format of the Compensation Value Table 57 Output Format of the Compensation Value Table Compensation value table for ND 281 B linear measurement factory default setting Compensation value table x ND 281 B SCALING DATUM CMP NR CMP NR CMP NR CMP NR CMP NR CMP NR CMP NR CMP NR C
10. Switching Inputs EXT X41 Setting and zero resetting the display With an extemal signal you can set the display to the value selected in parameter P79 pin 3 or reset each axis to Zero pin 2 Enabling and disabling REF mode Operating parameter P85 allows you to activate the input pin 25 which will be used for setting the display externally to REF mode when the unit is switched on or when the power is restored after an interruption The next signal deactivates REF mode again Switchover function Ignoring reference mark signals If this input pin 4 is active the display will ignore all reference mark signals A typical application of this function is for measuring lengths with a rotary encoder and spindle in this case a cam switch releases the reference mark signal at a preset position Extemally selecting MIN MAX 1 Starting a series of measurements Switching the display between MIN MAX DIFF ACTL You can activate the operating mode for finding minimum and maximum values from a series of measurements with an extemal signal pin 6 low level signal must be present continuously The setting selected with MOD or operating parameter P21 is disabled You can switch to MIN MAX DIFF ACTL display pins 7 8 9 low level signal must be present continuously and START pin 5 Pulse of anew series of measurements only by external signal over the switching inputs J Only in linear measurement mode Switching signals A
11. bit 7 data bits Even parity bit 2 stop bits Control characters Call measured value STX Ctr B Interrupt DC3 Ctrl S Continue DC1 Ctr Q Interrogate error message ENQ Ctrl E Example Data sequence during measured value output Measured value 5 23 mm The measured value is within the sorting limits and is the current value A of a series of measurements Measured value output als 2 3 Al lt R gt lt LF gt 2 Oo Algebraic sign Numerical value with decimal point 10 characters on OGRO IS the whole leading zeros are output as blank spaces Angle measurement min sec up to 3 dec spaces Blank space Unit Blank space mm inch fault Sorting status lt gt if P18 gt P19 or blank space Series of measurements S MIN A ACTL G MAX D DIFF or blank space CR carriage return LF line feed RS 232 C V 24 Data Interface X31 47 RS 232 C V 24 Data Interface X31 Operating parameters for measured value output Parameter Function P50 RS232 Baud rate P51 RS232 Number of additional blank lines for measured value output Display freeze during measured value output In operating parameter P23 you can specify how the measured value output signal will affect the display unit Display freeze during measured value output P23 Concurrent display no display freeze The display value is the current measured va
12. point starts blinking XN Cross over the reference mark Move the plunger until the display starts counting and the decimal point stops blink ing The display is now ready for operation af For automation purposes crossing over the reference marks and the display ENT CL can be disabled with parameter P82 REF mode Crossing over the reference marks automatically switches the display to REF mode The last assignment of display values to length gauge positions is stored in nonvolatile memory 1 Press the CL key if you choose not to traverse the reference marks Note that in this case the relationship between length gauge position and display value will be lost if the poweris interrupted or if the unit is switched off Datum Setting The datum setting procedure assigns a display value to a Z known position With the ND 200 series you can set two separate datum points There are several ways to set the datum 2 e Enter a numerical value or Transfer a value from an operating parameter see P79 P80 or sy e By external signal f d j He Select datum 1 or 2 Without datum setting unknown assignment of measured v values to positions rai i Enter a numerical value here 5 cae SET starts blinking hd Z a N END Confirmthe entered numerical value 30 You can switch between datums 1 and 2 as desired Datum 2 15 can be used for example for working
13. r e Sorting and tolerance checking Power consumption BYE Dipl e Switching and sorting signals Electromagnetic e Set display and reset display to compatibility Class B according to EN 55022 zero with extemal signal e Measured value output RS 232 C V 24 Baud rates Interface 110 150 300 600 1200 2400 4800 9600 19 200 38 400 baud 1 Only in linear measurement mode 63 ND 281 B Dimensions in mm inches Specifications 325 15 REF 11 1 2 SET START PRINT inch l lt gt MN ACT MAX DIF as a eri ae 33 5 IE 172 0 2 1 37 6 77 008 1 ao NS olod H N 1 ol a id in 1 THN N N i 64 i 239 9 41 X31 o oNN Zo EF oaeo HEIDENHAIN DR JOHANNES HEIDENHAIN GmbH Dr Johannes Heidenhain Strake 5 83301 Traunreut Germany 49 8669 31 0 FAX 49 8669 5061 e mail info heidenhain de Technical support 4X 49 8669 31 1000 Measuring systems 49 8669 31 3104 e mail service ms support heidenhain de TNC support 49 8669 31 3101 e mail service nc support heidenhain de NC programming 49 8669 31 3103 e mail service nc pgm heidenhain de PLC programming 49 8669 31 3102 e mail service plc heidenhain de Lathe contr
14. with Multipoint up to 64 compensation points for positive direction of traverse DIRECT POS linear encoders up to 72 for angle encoders t Negative counting direction with fixed spacing oF deg ee positive direction of traverse DIRECT NEG Linear compensation COMP LIND P31 S PER Signal period of encoder 0 000 000 01 lt P31 lt 99 999 9999 Default setting 10 fam P33 COUNT Counting mode 1 0 1 2 3 4 5 6 7 8 9 COUNT 0 1 0 2 4 6 8 COUNT 0 2 0 5 COUNT 0 5 P36 SP R Signal periods per revolution 2 1 lt P36 lt 999 999 Default setting 36 000 1 Only in linear measurement mode 2 Only in angular measurement mode 25 3 Depends on signal period P31 and unit of measure P01 List of Operating Parameters 26 Parameter Settings Function Parameter Settings Function P41 L comp Linear error compensation 1 P43 REF Reference marks 99 999 9 lt P41 lt 99 999 9 um m One reference mark SINGLE REF Default Setting 0 Distance coded with 500 SP Example Find input value for P41 SP signal period 500 SP ree ra a ANA EENU Ly 620 000 mm Distance coded with 1000 SP with the VM 101 comparator e g for HEIDENHAIN LS C 1000 SP system from HEIDENHAIN 0 La 619 877 mm Distance coded with 2000 SP 2000 SP Length difference seses AL L Lg 123 um Distance coded with 5000 e SP 5000 SP Compensation factor k P41 3 z E sot _ P44 REF Reference mark eval
15. with incremental dimen 10 sions 5 When you switch back to datum 1 the display unit resumes display of the encoder s actual position 0 After datum setting Assignment of measured values to positions Finding Minimum and Maximum Values from a Series of Measurements After aseries of measurements has been started the display transfers the first measured value to the memory for minimum and maximum values Every 0 55 ms the display compares the current measured value with the memory contents A new value is stored if it is greater than the stored maximum value or smaller than the stored minimum value At the same time the display calculates and stores the difference DIFF between the current MIN and MAX values Display Meaning MIN Minimum value from the series of measurements MAX Maximum value from the series of measurements DIFF Difference MAX MIN ACTL Current measured value Starting the measurement series and selecting the display You can start the series of measurements either by pressing MOD and selecting the desired display as described on the following pages or by external signal over the switching inputs at the D sub connection EXT X41 see Switching Inputs and Outputs When a seres of measurements is started the intemal MIN MAX DIFF memory is reset 1 Only in the linear measurement mode MAX ACTL DIFF
16. 2 C V 24 Data Interface 61 Remote Operation over the RS 232 C V 24 Data Interface Output of software number The current software number is transmitted lt STX gt 3 4 9 7 9 7 0 4 lt CR gt dF 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 1 0 0 1 0 0 1 2 0 0 lt CR3 lt F gt abcdefghi jktlmn String STX 4 characters CR LF a REF reference point h lt sorting b datum 1 i sorting c datum 2 j gt sorting d SET datum setting e START measurement series f PRINT data output m MAX meas series g inch inch display n DIFF meas series Execute functions FXXX commands k MIN meas series ACTL meas series 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 REF function Activate or deactivate REF mode current REF condition is changed Print Output of the current measured value The measured value string is transmitted as described in the manual page 47 Same function as calling the measured value with STX Cont
17. 33 P38 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 0002 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 Recommd 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 Recommended parameter settings for HEIDENHAIN linear encoders with 1 V signals Model Reference Millimeters Inches marks Display E Display E step E 5 in mm 38 9 g in inches 3 O g nas SE gi 8 AS P31 P P33 P38 P33 P38 LIP 382 0 128 0 000002 2 6 0 0000001 1 7 0 000001 1 6 0 0000000 5 8 5 MT xx81 2 Single 0 0005 5 4 0 00002 2 5 LIP 481A 481R 0 0002 2 4 0 00001 1 5 0 0001 1 4 0 000005 5 6 0 00005 5 5 0 000002 2 6 Recomma only for LIP 481 X 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 183 183C 4 Single 5000 0 001 1 3 0 00005 5 5 LF 481 481C 0 0005 5 4 0 00002 2 5 LIF 181 181C 0 0002 2 4 0 00001 1 5 LIP 581 581C 0 0001 1 4 0 000005 5 6 VM 182 0 00005 5 5 0 000002 2 6 Recomma only for VM 182 0 00002 2 5 0 000001 1 6 0 00001 1 5 0 0000005 5 7 LS 186 186C 20 Single 1000
18. 38 4 The following tables will help you select the appropriate parameter settings Recommended parameter settings for HEIDENHAIN linear encoders with 11 pA signals Model Reference Millimeters Inches marks Display E Display E step j step 4 E 5 in mm 38 re g in inches 3 U g Has gS S gS P31 P43 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 5 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 4 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 Linear Encoders 29 Linear Encoders Recommd parameter settings for HEIDENHAIN linear encoders with 11 pA signals continued Model Reference Millimeters Inches marks n Display 7 Display 7 7 step step j TE in mm E F g in inches E F g nas a a P31 P43 P33 P38 P
19. 5 degree steps from 0 90 degrees Input in deg min sec Compensation values 11 71 no values entered memory empty Final character Output Format for the Compensation Value Table ol o Remote Operation over the RS 232 C V 24 Data Interface Remote Operation over the RS 232 C V 24 Data 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 281 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 O key lt ESC gt T0001 lt CR gt I 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 A key lt ESC gt T0005 lt CR gt 5 key lt ESC gt T0006 lt CR gt 6 key lt ESC gt T0007 lt CR gt T 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
20. 9 524 288 20 64 20 1048 576 41 28 Axis Error Compensation ipoi Mult 35 Axis Error Compensation ipoi Mult 36 Selecting the compensation table entering an axis correction cr together f ae x Select the operating parameters Select POO CODE POO CODE COMP NR 01 Cl a 2x 0 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 ow N Enga Enter the code number 10 52 96 confirm with ENT J nog XQ gt a A 7 Joo DATUM shown for approx two seconds 1 Enter the active datum for the error on the axis to be corrected e g 27 mm Press MOD to select the next input box gt 4 SPACING 1 Eo ix z a Enter the spacing of the compensation points on the axis to be corrected for example 219 um equals 1 024 mm Press MOD four times to select COMP NR 01 You cannot enter values in the POS NR 00 COMP NR 00 and POS NR 01 boxes come NR 02 nana 2x Ty Enter all further compensation points If you want so select a compensation point directly press CL and simultaneously enter the desired compensation point number Conclude entry 1 Only in the linear measurement mode For angle measurement Datum reference point Point separation 5 degrees Del
21. 9 pin Id Nr 368 017 Maximum cable length 20 m 66 ft ND D amp CHASSIS GND 10 TXD 2 2 RXD RXD 3 3 TXD RTS 4 8 CTS CTS 5 7 RTS DSR 6 OQ lt _ 4 DTR SIGNAL GND 7O 5 SIGNAL GND DTR 20 O 6 DSR 25 pol 9 pol Data transmission cable 25 pin 9 pin ND D g CHASSIS GND 1 1 CHASSIS GND D 2 ISR ans 2 TXD RXD 3 S RXD RTS 4 A er 4 RTS GIS S 5 CTS DSR 6 6 DSR SIGNAL GND 7 7 SIGNAL GND DTR 20 20 DTR 25 pol 25 pol Data transmission cable 25 pin 25 pin full wiring ND i G CHASSIS GND 1 1 CHASSIS GND TXD 2 SE en 2 TXD RXD 3 3 RXD RTS 4073 gt 4 RTS cits 5O 5 CTS DSR 6O0 e DSR SIGNAL GND 7 O 7 SIGNAL GND DTR 20 O gt 20 DTR 25 pol 25 pol Data transmission cable 25 pin 25 pin simplified wiring Pin layout RS 232 C V 24 X31 Pin Signal Assignment 1 CHASSIS GND Chassis ground 2 TXD Transmitted data 3 RXD Received data 4 RTS Request to send 5 CTS Clear to send 6 DSR Data set ready 7 SIGN GND Signal ground 8to19 Not assigned 20 DTR Data terminal ready 21to25 Not assigned Levels for TXD and RXD Logic level Voltage level Active 3Vto 15V Not active 3Vto 15V Levels for RTS CTS DSR and DTR Logic level Voltage level Active 3Vto 15V Not active 3Vto 15V Data format and control characters Data format 1 start
22. Frozen concurrent display display remains frozen as long as the latch signal is present after the signal the display resumes continuous display of the current meas ured values uw o wo o wo o gle ba Position Latch signal Frozen essesssssssssssete sss 2282888 2090909000000000 00922 2090999090000000 008900 display cScoocoocoooocoo0oo0oo0oo0oo0oo0oo0oO0O0o000000000000000000 ap ee eke ee eee nn eee ee eee eens eee SS eee ee ee ee concurrent 5 5 ce gGCoCSCSeSeeeoeseooooooCoSe Seo Oooo eae So SG display ooo i emo o no oO ie eee oO Oem e em omomomonm i momome 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 The connected device has not sent a DSR signal DSR MISSING The spacing of the reference marks as defined in P43 is not the actual spacing Data format baud rate etc do not match 1 FORMAT ERR FREQUENCY Input frequency too high for encoder input Traversing speed may be too fast Checksum error Check the datum operating parameters and compen sation values for multipoint axis error compensation If this error recurs contact your service agency MEMORY ERR 1 These errors are important for the attached device The error signal pin 19 at D sub conne
23. MP NR CMP NR CMP NR CMP NR il tt tt tt tts m D Description Start character Model of display unit unit of measure MM or IN Spacing 14 range 6 20 0 0000 Datum point 0 mm value input 0 0000 Compensation value 0 0 000 mm compensation value 0 is always 0 Compensation value 1 no value entered Compensation values 2 63 no values entered axis is not corrected Compensation value table is empty Final character Compensation value table for ND 281 B angular measurement Active compensation Compensation value table ND 281 B DMS CMP NR 00 0 00 00 CMP NR 01 0 00 03 CMP NR 02 0 00 05 CMP NR 03 0 01 01 CMP NR 04 0 00 43 CMP NR 05 0 00 21 CMP NR 06 0 00 06 CMP NR 07 0 00 04 CMP NR 08 0 00 12 CMP NR 09 0 00 24 CMP NR 10 0 00 44 CMP NR 11 0 00 52 CMP NR 12 0 00 43 CMP NR 13 0 00 35 CMP NR 14 0 00 24 CMP NR 15 0 00 19 CMP NR 16 0 00 13 CMP NR 17 0 00 05 CMP NR 18 0 00 00 CMP NR 19 CMP NR 20 CMP NR 70 CMP NR 71 x Description Start character Model of display unit DEC decimal or DMS deg min sec Compensation value 0 0 0000mm compensation value 0 is always 0 Compensation values 1 18 are assigned values value input i e a rotary encoder is corrected in
24. T 0 5 DP POS 4 COMP OFF SINGLE REF REF ON FRQ CONT 9600 BAUD BKLINE 1 0 0000 0 0000 0 0000 CL ENT OFF ENT CL ON EXT REF OFF PRINT OFF LANGUAGE DE oo0oo0oo Ko Q fo FPOWROOSU FOOrRO Description Start character M odel of display unit DEC decimal or DMS min sec Encoder input X1 11pAPP 0 X2 1VPP 1 Display DEC DEGREE 0 DEG MIN SEC 1 Angle 180 DEG 0 360 DEG 1 ENDLESS 2 Sorting CLASS OFF 0 CLASS ON 1 Lower limit L CLASS 0 value input Upper limit U CLASS 0 value input DISPLAY ACTUAL 0 HOLD 1 STOP 2 COUNTING DIRECTION POS 0 NEG 1 SIGNAL PERIODS R 36000 value input COUNTING MODE 0 5 5 0 2 2 0 1 1 DECIMAL PLACES 4 range 1 8 COMPENSATION OFF 0 LIN 1 MULTI 2 SINGLE REF 0 500 1000 2000 5000 SP REF ON 1 REF OFF 0 OFF 0 FRQ 1 CONTAMINAT 2 FRQ CONT 3 BAUD RATE 9600 110 38400 LINE FEEDS 1 0 99 Switching limit 1 A1 0 value input Switching limit 2 A2 0 value input DATUM SETTING 0 value input CL ENT OFF 0 CL ON 1 CL ENT ON 2 DISPLAY ENT CL ON 1 ENT CL OFF 0 EXTERNAL REF OFF 0 EXTERNAL REF ON 1 MOD KEY PRINT OFF 0 PRINT ON 1 NATIONAL LANGUAGE O EN 1 DE 2 FR 3 IT 4 NL 5 ES 6 DA 7 SV 8 FI 9 CS 10 PL 11 HU 12 PT Final character Output Format of the Compensation Value Table Line
25. 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 FO000 lt CR gt lt ESC gt F0001 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 status indicators REF function Start measurement 1 Print Counter RESET Lock keypad Release keypad 1 Only in the linear measurement mode Description of RS 232 C V 24 commands The display unit supports the XON XOFF protocol when executing commands As soon as the intemal character buffer 100 characters is full the display unit sends 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
26. a output Angular measurement Measured value output with MOD key SET Blinking Display is waiting for input values lt gt Sorting and tolerance checking measured value smaller than lower limit within the limits greater than upper limit MIN MAX DIFF ACTL Series of measurements Minimum maximum greatest difference MAX MIN current measured value Blinking Confirm selection or deselect function START 1 Series of measurements is running Blinking Display is waiting for signal to start series of measurements Items supplied with ND 281 B ND 281B Measured value display unit benchtop model Encoder input 11 WApp 1 Vpp Id Nr 344 996 xx Power cord 3m 9 9 ft User s Manual ND 281B Adhesive plug in feet For stacking ND 281B units This manual is for the ND 281 B measured value a display with the following software number or higher 349 797 04 The software number is indicated on a label onthe rear panel Contents Working with the ND Display Units Installation and Specifications Encoders 6 Rear Panel Accessories 17 Reference Marks 7 Mounting 19 Switch On Traversing the Reference Marks 8 Power Connection 20 Datum Setting 9 Linear Angular Measuring Modes 21 Finding Minimum and MaximumValues 1 10 Operating Parameters 22 Sorting andTolerance Checking 13 List of Operating Parameters 24 M
27. ales of other photoelectric linear or angular encoders can contain 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 for linear encoders and 10 or 20 for angle encoders depending onthe model Scale in Distance coded linear encoder reference marks Reference mark Reference marks on linear encoders Switch On Traversing the Reference Marks rc ENT CL Tum on the power Switch located on rear panel e ND 281 B appears for two seconds e ENT CL appears e REF indicator starts blinking Jf S Switch on the reference mark evaluation function e The position value that was last assigned to the reference mark position is displayed e REF indicator lights e Decimal
28. 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 POO 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 Display first user parameter MOD during operation Together To go directly to a user parameter Display first user parameter Together w ER Press and hold CL while entering the first digit of the parameter number here 1 Enter the second digit of the parameter number here 9 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 9 51 48 gt Select the user parameter P00 CODE gt Enter the code number 9 51 48 gt Confirm entry with ENT Parameter P30 appears on the display By paging through the list of operating parameters you can display and if necessary change each protected operating parameter and of course each user parameter Once you have entered the code nu
29. cting elements Connector female 25 pin for D sub connection X41 Id Nr 249 154 ZY Connector male 25 pin for D sub connection X31 Id Nr 245 739 ZY 3m 9 9 ft 25 pin for D sub con nection X31 Id Nr 274 545 01 Data interface cable complete X31 V 24 RS 232 C X41 EXT 100 240V 50 60Hz L al i Power switch Ground Input X1 for one connection HEIDENHAIN 11 App encoder Input X2 for one HEIDENHAIN 1 Vpp encoder Mounting You can fasten the ND 281 B from below by using M4 screws see illustration at right ND 281 B display units are stackable Adhesive plug in feet supplied with your unit prevent the stacked units from being moved out of place 172 0 2 6 77 008 oo 1E 140 0 2 5 51 008 Hole positions for mounting the ND display unit 15 I J J Alternatives of stacking the display units Mounting 19 Power Connection Power Connection The rear panel of the ND 281 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 mm2 Power supply 100 Vac to 240 Vac 15 to 10 50 Hz to 60 Hz 2 Hz A voltage selector is therefore not necessary Unplug the power cord before opening the housing Connect t
30. ction EXT is active Display Effect Cause REC ERROR Error during reception of param eter 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 If all sorting signals light up the upper sorting limit is smaller than the lower limit gt Change operating parameters P18 and or P19 To clear error messages Once you have removed the cause of the error gt Clearthe error message with the CL key Rear Panel Ports X1 X2 X31 and X41 comply with the recommendations in EN 50 178 for separation from line power Encoder input X1 HEIDENHAIN flange socket 9 pin Input signals NY 11 pApp Maximum encoder cable length 30 m 98 5 ft Maximum input frequency 100 kHz Encoder input X2 HEIDENHAIN flange socket 12 pin Input signals 1 Vpp Maximum encoder cable length 60 m 197 ft Maximum input frequency 500 kHz Rear Panel Accessories 17 Rear Panel Accessories 18 Rear Panel Ports X1 X2 X31 and X41 comply with the recommendations in EN 50 178 for separation from line power RS 232 C V 24 data interface X31 25 pin D sub connection female Switching inputs and outputs EXT X41 25 pin D sub connection male Data interface D sub connection Accessories Conne
31. e selected in P79 Message after switch on ENT CL message CL ENT ON MESSAGE ON ESSG OFF No message P85 EXT REEF External REF REF over D sub port EXT EXT REF ON No REF over D sub port EXT EXT REF OFF Parameter P86 MOD P98 LANGUA Settings Function In the linear measurement mode First indicator after pressing MOD START PRINT MIN ACTL MAX DIFF In the angular measurement mode PRINT via MOD disabled PRINT OFF PRINT via MOD enabled PRINT ON Conversational language German LANGUAGE DE English ANGUAGE EN French ANGUAGE FR Italian ANGUAGE IT Dutch ANGUAGE NL Spanish ANGUAGE ES Danish ANGUAGE DA Swedish ANGUAGE SV Finnish AANGUAGE FI Czech ANGUAGE CS Polish ANGUAGE PL Hungarian ANGUAGE HU Portuguese LANGUAGE P List of Operating Parameters 27 Linear Encoders Linear Encoders The ND 281 B display unit is designed for use together with photoelectrical encoders with sinusoidal signals 11 App or 1 Vpp Display step with linear encoders You can select a specific display step by adapting the following operating parameters Signal period P31 e 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 P
32. easuredValue Output 14 linear Encoders 28 Display Freeze 15 Angle Encoders 33 Error Messages 36 MultipointAxis Error Compensation 34 Switching Inputs and Outputs EXT X41 38 Locking the Keypad 43 Displaying the Software Version 44 Distance to Go Mode 45 RS 232 C V 24 Data Interface X31 46 Input Output of Parameter and 51 Compensation Value Lists Output Format of the Parameter List 53 Output Format of the Compensation ValueTable 57 Remote Operation over the RS 232 C V 24 60 Data Interface Specifications 63 1 Only in linear measurement mode Dimensions 64 Position Encoders The ND 281 B display unit is designed for use with photo electrical linear or angular encoders with sinusoidal signals primarily for HEIDENHAIN MT length gauges When shipped by HEIDENHAIN the display units are set to the linear measurement mode You can switch between the linear and angular modes by entering the code number 41 52 63 see Linear Angular Measurement M odes On the back of the display you will find two flange sockets for connecting the encoder X1 for encoders with 11 App sinusoi dal current signals and X2 for 1 Vpp sinusoidal voltage signals Before shipping HEIDENHAIN activates the encoder connec tion X1 for 11 App sinusoidal current signals With parameter P02 you can activate the encoder input that matches your encoder see Operating Parameters Reference Marks The MT length gauges have one reference mark The sc
33. easurements Ending a series of measurements Repeatedly 0 I o Select the active indicator MIN ACTL MAX DIFF The indicator that lit up last starts blinking J End the series of measurements e x ps i W no D o a oO zo s e e is Me lt D vs H Select the indicator START The START indicator starts blinking on End the series of measurements Sorting and Tolerance Checking In the sorting and tolerance checking mode the display unit compares the displayed value with the programmed upper and lower sorting limits The sorting and tolerance checking mode is enabled and disabled with operating parameterP17 Entering sorting limits Sorting limits are entered in operating parameters P18 and P19 see operating parameters Sorting signals The indicators and switching outputs at D sub connection EXT see section on X41 sort the display value into one of three classes Display Meaning Measured value is within sorting limits lt Measured value is smaller than lower sorting limit gt Measured value is greater than upper sorting limit Operating parameters for sorting and tolerance checking P17 CLASS Sorting ON OFF P18 L CLASS Lower sorting limit P19 U CLASS Upper sorting limit Part 2 TE Exam
34. eting a compensation value table Pa together Select the operating parameters gt A Hp XM Select POO CODE gt A P00 cone tp ops 2 aa Jaw SS Enter the code number 10 52 96 confirm with ENT gt a Select the delete function Confirm with ENT or cancel with CL Exit the compensation table mode Axis Error Compensation ipoi Mult 37 Switching Inputs and Outputs EXT X41 38 Switching Inputs and Outputs EXT X41 th Danger to intemal components Voltage sources for extemal circuitry must conform to the recommendations in EN 50 178 for low voltage electrical separation Connect inductive loads only with a quenching diode parallel to the inductance Only use shielded cables Connect the shield to the connector housing Outputs at D sub connection EXT X41 Pin Function 14 Display value is zero 15 Measured value gt trigger limit A1 P62 16 Measured value gt trigger limit A2 P63 17 Measured value lt lower sorting limit P18 18 Measured value gt upper sorting limit P19 19 Error see Error Messages 1 Only in the linear measurement mode Inputs at D sub connection EXT X41 Pin Function 1 10 OV 2 Reset display to zero clear error message 3 Set display to the value selected in P79 4 Ignore reference mark signals 5 Start series of measure
35. he Keypad You can lock or release the keypad by entering the code number 24 65 84 gt Select the user parameter P00 CODE see Operating Parameters gt Enter the code number 24 65 84 gt Confirm the entry with ENT gt Withthe e or key select KEYS ONor KEYS OFF gt Confirm your selection with ENT If the keypad is locked you can only select the datum or select POO CODE over the MOD key Locking the Keypad 43 ion the Software Vers aying Displ 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 gt The display unit shows the software number gt With the key you can switch the display to the date of issue gt To exit the software version display mode press ENT Distance to Go Mode 1 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 display by entering the code number 24 65 82 Display Meaning DELTA ON Distance to go display active DELTA OFF Distance to go display not act
36. he grounding conductor Do not interrupt the grounding conductor Danger of electrical shock Danger to intemal components AN 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 att terminal on the rear panel to the central ground point of the machine Minimum cross section 6 mm2 Linear Angular Measuring Modes You can select the linear measuring mode or angular measuring mode by entering the code number 41 52 63 gt Select the user parameter P00 CODE see Operating Parameters gt Enter the code number 41 52 63 gt Confirm your entry with ENT gt With the or key select the ND LENGTH or ND ANGLE mode respectively gt Confirm your selection with ENT gt The display unit resets itself gt For further procedure see Switch On Traversing the Reference M arks Modes ring Angular Measuri Inear L 21 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 The letter P e A two digit parameter number and An abbreviation Example P01 INCH The factory settings of the operating parameters are indicated in the parameter list see List of Operating Parameters in
37. ith the ENT key you transmit the reqd compensation value list over the RS 232 C or J V 24 interface After transmission retum to the beginning TRANSFER to transmit or receive more lists Continue in the data transfer menu with the decimal point key X D are COMP D The display unit is ready to receive a parameter list over the RS 232 C V 24 interface After successful reception retum to the beginning TRANSFER to transmit or receive more lists Continue in the data transfer menu with the decimal point key Exit the data transfer function Input Output of Parameter and Compensation Value Lists ol _ Input Output of Parameter and Compensation Value Lists ol N Note on the input output of parameter and compensation 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 formats 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 displa
38. ive Traversing to zero with distance to go display gt Select datum point 2 gt Enter the nominal position gt Move the axis until the display value is zero 1 Only in linear measurement mode Function of switching outputs A1 and A2 In the distance to go mode switching outputs A1 pin 15 and A2 pin 16 have a different function they are symmetrical to the display value zero For example if a switching point of 10 mm is entered in P62 output A1 switches at both 10 mm and 10 mm The figure below shows output signal Al when approaching zero from the negative direction gt 10 0 10 1 Pin 15 A1 Time curve of a signal for switching limit A1 10 mm tai lt 30 ms tyo lt 180 ms Distance to Go Mode 45 RS 232 C V 24 Data Interface X31 RS 232 C V 24 Data Interface X31 The RS 232 C V 24 interface X31 of your display unit enables you to transmit 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 Data transmission cable for RS 232 C V 24 D sub male 25 pin D sub female 25 pin Id Nr 274 545 On this type of cable pin 6 and pin 8 are additionally connected over a jumper Data transmission cable for RS 232 C V 24 D sub male 25 pin D sub female
39. 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 N D 2 8 1 lt CR gt lt LF gt 9 7 0 4 lt CR gt lt LF gt 2 0 0 1 0 5 0 4 lt CR gt lt LF gt NI 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 1 2 3 4 5 6 7 String STX Min 10 to max 13 characters CR LF depending on the number of commas and decimal points 9 lt CR gt lt LF gt Output of current value The current position value without decimal point with leading zeros is transmitted lt STX gt 1 2 3 4 5 6 7 8 9 lt CR gt lt LF gt String STX Algebraic sign 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 F JO JR M A IT JE RR lt CR gt lt LF gt String STX 13 characters CR LF Remote Operation over the RS 23
40. lue DISPL ACTL Frozen display Display is stopped frozen and updated by every measured value output signal DISPL HOLD Frozen concurrent display Display is frozen as long as a measured value output signal is present DISPL STOP Measured value output via PRINT function In the linear measurement mode press MOD repeatedly until the PRINT indicator starts blinking Start the measured value output with ENT In the angular measurement mode press MOD this feature can be disabled with operating parameter 86 Duration of measured value transfer es 187 11 number of blank lines s 2 baud rate Indicator preselection linear measurement mode Operating parameter P86 allows you to define which indicator is displayed first when MOD is pressed Measured value output after signal through the Contact or Pulse inputs To start measured value output through the EXT interface X41 you can either gt Close the Contact input pin 23 on X41 against 0 V for example with a simple switch make contact or gt Close the Pulse input pin 22 on X41 against 0 V for example by triggering the input with a TTL logic device such as SN74LSxx Characteristic times for measured value output Process Time Minimum duration of Contact signal tt 2 7 ms Minimum duration of Pulse signal te2 1 5 us Storage delay after Contact t lt 5 ms Storage delay after
41. mber 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 Page backward in the list of operating parameters Reduce parameter value Increase parameter value Correct entry and display parameter designations Confirm change or numerical entry exit the list of operating parameters BEBE EB A changed parameter is stored as soon as you e Exit the list of operating parameters or e Page forward or backward after the change Operating Parameters 23 List of Operating Parameters 24 List of Operating Parameters Parameter P00 CODE Settings Function Enter a code number 95148 To change the protected operating parameters 41 52 63 To select the linear or angular measurement mode 10 52 96 Multipoint axis error compensation 24 65 84 To lock the keyboard 66 55 44 To show the software version 24 65 82 Distance to go display 48 61 53 Input and output of parameter and compensation value lists P01 Units of measurement Display in millimeters MM Display in inches INCH P02 X1 X2 PO8 DISPL Select an encoder input Signals at X1 11 pAPP Signals at X2 Display mode2 Decimal degrees 1 VPP DEC DEGREE Deg minutes seconds DEG MIN SEC Parameter P09 ANGLE Settings
42. ments 1 6 Externally select display value for series of measurements 1 7 Display MIN value of series of measurements 1 Display MAX value of series of measurements 1 Display difference MAX MIN 22 Pulse Transmit measured value 23 Contact Transmit measured value 25 Enable or disable REF mode current REF status is changed 12 13 24 Do not assign 11 20 21 Vacant Special case Display current measured value ACTL If you wish to display the current measured value ACTL of a series of measurements note for inputs 7 8 and 9 Either none or more than one of these inputs must be active Inputs Input signals Internal pull up resistor 1 KQ active with low level Trigger by making contact against 0 V or by low level signal over TTL logic device Delay for set zero reset ty lt 2 ms Minimum pulse duration for all signals tmin 30 ms Signal level of inputs Outputs Output signals Open collector outputs active with low level Delay until signal output ty lt 30 ms Signal duration of zero signal trigger limit A1 A2 t gt 180 ms Signal level of outputs Status Level Status Level High 3 9V lt U lt 15V High U lt 32V I lt 10 pA Low O05V lt U lt 09V I lt 6mA Low U lt 0 4V I lt 100 mA oo E tmin 2 30 ms IEF tmin ov O _ _ E oV O lt 100 mA 4 Ug lt 32V Switching Inputs and Outputs EXT X41 39
43. ols amp 49 711 952803 0 e mail service hsf heidenhain de www heidenhain de HEIDENHAIN G B Limited 200 London Road Burgess Hill West Sussex RH15 9RD Great Britain amp 01444 247711 FAX 014 44 870024 350 267 23 SW 349 797 04 6 5 2003 E Printed in Germany Subject to change without notice
44. ple Upper sorting limit 26 02 mm Lower sorting limit 26 00 mm Measured Value Output For technical information on the RS 232 C V 24 data interface X31 information on the data format etc see the chapter RS 232 C V 24 Data Interface X31 Measured values can be transmitted 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 gt Inthelinear measurement mode Press MOD repeatedly until the PRINT indicator starts blinking then start measured value output with ENT In the angular measurement mode Press the MOD key this feature can be disabled with operating parameter 86 or gt Input the command STX Ctrl B over the RXD input of the RS 232 C V 24 interface X31 or gt Input a signal for measured data output Pulse or Contact at the D sub connection EXT X41 PC The RS 232 C V 24 interface X31 enables you to connect a printer or a PC to your display unit Display Freeze With the latch command the display can be stopped for any period of time The internal counter remains active Parameter P23 selects the display freeze mode and offers three settings e Concurrent display no display freeze the display value is the current measured value e Frozen display display value is frozen and is updated with each signal for measured value output
45. rameters are transferred to the display unit Parameter list for ND 281 B Linear measurement mode of operation factory default setting Parameter list ND 281 B MM PO1 MM P02 X1 X2 P11 SCL P12 SCL P17 CLASS P18 L CLASS P19 U CLASS P21 SERIES P23 DISPL P30 DIR P31 S PER P33 STEP P38 DEC P40 COMP P41 L COMP P42 BKLASH P43 REF P44 REF P45 ALARM P50 RS232 P51 RS232 P62 Al P63 A2 P79 PRESET P80 ENT CL P82 DISPL ON P85 EXT REF P86 MOD P98 LANGUA MM X1 11 uAPP SCALING OFF 1 000000 CLASS OFF 0 0000 0 0000 DISPL OFF DISPL ACTL DIRECT POS 10 COUNT 0 5 DP POS 4 COMP OFF 0 0 0 0000 SINGLE REF REF ON FRQ CONT 9600 BAUD BK LINE 1 0 0000 0 0000 0 0000 CL ENT OFF ENT CL ON EXT REF OFF MOD START LANGUAGE DE ooo OAU FOOrRO Description Start character M odel of display unit MM or IN Unit of measure MM 0 INCH 1 Encoder input X1 11HAPP 0 X2 1VPP 1 SCALING OFF 0 ON 1 SCALING 1 000000 value input without sign Sorting CLASS OFF 0 CLASS ON 1 Lower limit L CLASS 0 value input Upper limit U CLASS 0 value input SERIES DISPL OFF 0 MIN 1 MAX 2 ACTL 3 DIFF 4 DISPLAY ACTUAL 0 HOLD 1 STOP 2 COUNTING DIRECTION POS 0 NEG 1 SIGNAL PERIOD 10 um value input without sign COUNTING MODE 0
46. rol 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 and via X41 The keyboard can be unlocked either by sending the special function Specifications 0 5 Housing ND 281B Noise immunity As per VDE 0843 Parts 2 and 4 5 Benchtop design severity 4 5 cast metal housing W H D F E 239 mm 84 6 mm 224 mm Protection IP40 according to IEC 529 y g Encoder inputs For linear and angle encoders with Operating 3 5 5 5 3 sinusoidal output signals 11 App 1 Vpp Vv temperature 0 to 45 C 32 to 113 F Reference mark evaluation for distance Storage temperature 20 C to 70 C 4 F to 158 F coded and single reference marks Weight Approx 1 5 kg 3 3 Ib Input frequency X1 11 App Relative humidity lt 75 annual average ihe 109 py Tor eumcebie tena o PP SA inae ces Max 500 kHz for 60 m cable length Power supply Primary clocked power supply 7 F 100 Vac to 240 Vac 15 to 10 Display step AGUSIDE 50 Hz to 60 Hz 2 Hz Datum points Two Line fuse F 1 A inside the housing Functions e Series of measurements 1 z
47. s soon as the trigger points defined in parameters are reached the corresponding outputs pins 15 16 are activated You can set up to two trigger points The switching point zero has a separate output see Zero crossover Signals for sorting and tolerance checking If the sorting limits defined in parameters are exceeded the corresponding outputs pins 17 18 are activated Signals Operating parameters Pin Switching signals P62 switching limit 1 15 P63 switching limit 2 16 Sorting signals P18 lower sorting limit 17 P19 upper sorting limit 18 Zero crossover The display value zero activates the corresponding output pin 14 Minimum signal duration is 180 ms Output ns Te Path Switching point Measured value lt lower sorting limit Measured value gt upper l sorting limit a a ie Path Lower limit Upper limit Time curve of signal at pin 15 for trigger limit A1 5 mm ty lt 30 ms Switching Outputs EXT X41 41 Switching Outputs EXT X41 42 Switching signal for errors The display unit permanently monitors functions such as measuring signal input frequency and data output and displays an error message if it detects an error If errors occur that seriously influence measurement or data output the display unit activates a switching output This feature allows monitoring of automated processes Error Locking t
48. th respect to the reference mark If R blinks you must traverse the reference mark Entries in the compensation value table e Datum Here you enter the point at which the compensation is to begin This point indicates the absolute distance to the reference point error and before entering the axis error into the at Do not change the datum after measuring the axis compensation table e Spacing of the compensation points 1 The spacing of the compensation points is expressed as Spacing 2 x um Enter the value of the exponent x in into the compensation value table Minimum input value 6 0 064 mm Maximum input value 20 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 e Compensation value You enter the measured compensation value in milli meters for the displayed compensation point Compensa tion point 0 always has the value 0 and cannot be changed 1 Only in the linear measurement mode Table for determining the point spacing Exponent Point spacing inmm in inches 6 0 064 0 0025 7 0 128 0 0050 8 0 256 0 0100 9 0 512 0 0200 10 1 024 0 0403 11 2 048 0 0806 12 4 096 0 1612 13 8 192 0 3225 14 16 384 0 6450 15 32 768 1 290 16 65 536 2 580 17 131 072 5 160 18 262 144 10 32 1
49. uation sei Ede 23 He Cees eos ov Evaluate the reference mark REF ON P42 BACKLASH Backlash compensation Input range mm 49 999 to 9 999 Do not evaluate the reference mark REF OFF Default setting 0 000 no backlash compensation P45 ALARM Encoder monitoring e E N No monitoring ALARM OFF During a change in direction the mechanical play between the encoder and table the so Monitor the frequency FREQUENCY called backlash can cause error Monitor contamination CONTAMINAT Positive backlash The rotary encoder moves oe before the table therefore the display value Contamination frequency FRQ CONT is too high positive value input P50 RS232 Baud rate Negative backlash The rotary encoder moves after the table therefore the display value is too low negative value input 110 150 300 600 1200 2400 4800 9600 19 200 38 400 baud 1 Only in linear measurement mode Parameter PSL RS232 Settings Function Additional blank lines during data output 0 lt P51 lt 99 Default setting 1 BK LINE 1 P62 P63 Al A2 Trigger limit 1 Trigger limit 2 P79 P80 P82 PRESET ENT CL DISPL ON Value for datum point Enter numerical value for datum setting over switching input or with ENT key Set display No zero reset Set with CL ENT CL ENT OFF Zero reset with CL setting disabled with ENT ONERE ON Zero reset with CL and set with ENT to valu
50. ured value transfer F 187 11 number of blank lines S 2 baud rate 10 L 18 20 CILS 30 PRINT V 24 RS 232 C 40 OPEN COM1 9600 E 7 AS 1 50 PRINT 1 CHRS 2 60 IF INKEY 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 BASIC program for measured value output with Ctr B Propagation times for measured value output after Ctr B Input Output of Parameter and Compensation Value Lists Calling the data transfer function together FARR Select the operating parameters Select POO CODE Enter the code number 48 61 53 and confirm with ENT Data transfer function TRANSFER END Continue with ENT SEND PARAM Press the ENT key if you want to transmit the parameter list over the RS 232 C V 24 interface After transmission retum to the beginning TRANSFER to transmit or receive further lists Press the decimal point key to continue in the data tranfer menu awe PARAM eal or The display unit is ready to 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 yr SEND Comp If END W
51. y unit first waits for the starting character lt gt The receiving mode ends as soon as the display unit has received the final character lt gt 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 P0O1 INCH INCH 3 The value 3 is not allowed The parameter PO1 is set to the default setting POL MM MM 0 Output Format of the Parameter List 1st line Each parameter output begins with the start character lt gt HEX 0x2A lt CR gt lt LF gt 3 characters 2nd line Output of the counter designation NiO 2 8 2 e Mim lt cr gt lt F gt 13 characters 5 characters 2 characters Model of display unit Unit of meas End of line Subsequent lines for the individual parameters a Parameters Parameter settings can be changed with the MINUS key e g counting direction positive counting direction negative etc Examples
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