Heidenhain ND 221 B v.2 Bedienungsanleitung

English (en)10/2002Measured Value DisplaysUser’s ManualND 221 BTitel.pm6 14.07.2004, 08:592

10Other error displaysIf “OVERFLOW” appears, the measured value is too large ortoo small:Set a new datum.orTraverse back.To clear error messages:Once

11Rear Panel, AccessoriesPowerswitchInput X1 for one HEIDENHAIN11 µApp linear encoderData interfaceRear PanelPorts X1 and X31 comply with therecommend

12MountingYou can fasten the ND 221 B from below by using M4 screws(see illustration at right).Hole positions for mounting the ND display unitAlternat

13Power ConnectionThe rear panel of the ND 221 B contains a connecting jack fora power cord with Euro connector (power cord supplied withthe delivery

14Operating ParametersOperating parameters allow you to modify the operatingcharacteristics of your ND display unit and define theevaluation of the en

15Functions for changing the operating parametersFunction KeyPage forwardin the list of operating parametersPage backwardin the list of operating para

16Parameter Settings / FunctionP00 CODE Enter a code number:9 51 48: To change the protectedoperating parameters10 52 96: Nonlinear axis error compens

17Parameter Settings / FunctionP43 REF Reference marksOne reference mark SINGLE REF.Distance-coded with 500 • SP(SP: signal period) 500 SPDistance-cod

18List of Operating ParametersParameter Settings / FunctionP51 RS232 Additional blank linesduring data output BK LINE 10 ≤ P51 ≤ 99Default setting: 1P

19Linear EncodersThe ND 221 B display unit is designed for use together withphotoelectrical encoders with sinusoidal signals—11 µAPP.Display step with

2Numeric keypadwith decimal pointStatus display with indicatorsDisplay of actual value and input(9 decades with algebraic sign)HEIDENHAIN7894561230.C

20Linear EncodersRecommended parameter settings for HEIDENHAIN linear encoders with 11 µAPP signalsMillimeters InchesSignal periodsin µmReferencemarks

21Linear EncodersRecommd. parameter settings for HEIDENHAIN linear encoders with 11 µAPP signals (continued) Millimeters Inches Signal period in µm

22Entries in the compensation value table• Datum: Here you enter the point at which thecompensation is to begin. This point indicates the absolutedist

23Nonlinear Axis Error CompensationTable for determining the point spacingExponent Point spacingin mm in inches6 .064 .0025“7 .128 .0050“8 .

24Enter the associated compensationvalue, e.g. 0.01 mm. Press MOD twiceto select COMP. NR. 02. (You cannotenter any values in the POS. NR. 02 box).En

25Nonlinear Axis Error CompensationConfirm with ENT or cancel with CL.Deleting a compensation value table DATUMSelect the “delete” function.DELETESele

26Locking the KeypadYou can disable or re-enable the keypad by entering the codenumber 24 65 84:➤ Select the user parameter P00 CODE (see “OperatingPa

27Displaying the Software VersionTo display the software version of the display unit, enter thecode number 66 55 44:➤ Select the user parameter P00 CO

28Distance-to-Go ModeDistance-to-Go Display ModeNormally, the display shows the actual position of the en-coder. However, it is often more helpful to

29RS-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 enablesyou to transmit me

3Indicator MeaningREF If the decimal point is also blinking:Display is waiting for reference marktraversing.If decimal point is not blinking:Reference

30Pin layout RS-232-C/V.24 (X31)Pin Signal Assignment1 CHASSIS GND Chassis ground2 TXD Transmitted data3 RXD Received data4 RTS Request to send5 CTS C

31Operating parameters for measured value outputParameter Function P50 RS232 Baud rate P51 RS232 Number of additional blank lines formeasured value ou

32Input/Output of Parameter and Compensation-ValueListsCalling the "data transfer" function:Select the operating parameters. together withSe

33Note on the input/output of parameter andcompensation-value listsWith a terminal program (e.g. HyperTerminal, included withWindows®), you can receiv

34Output Format of the Parameter List1st lineEach parameter output begins with the start character < * > ( HEX: 0x2A) * <CR> <L

35b: Parameters:Parameter settings can be changed by entering a value(e.g.: CORRECT.LIN. 13.600 etc.) P 1 8 L . C L

36Parameter List for ND 221 B: (factory default setting)Parameter List Description* Start character (*);ND-221 B MM Device; MM or IN;P01

37Output Format of the Compensation Value TableOutput Format of the Compensation-Value Table1st line: StartEach compensation-value output begins with

384th line: DatumOutput of datum for compensation D A T U M = +

39Compensation value table for ND 221 B (length measurement): Factory default settingCompensation value table Description:* Start character (*);ND-221

4This manual is for the ND 221 B measured valuedisplay with the following software number orhigher: 349 797-04The software number is indicated on

40Remote Operation over the RS-232-C/V.24 Data InterfaceRemote Operation over the RS-232-C/V.24 InterfaceYou can operate the display unit remotely ove

41Remote Operation over the RS-232-C/V.24 Data InterfaceDescription of RS-232-C/V.24 commands:The display unit supports the XON-XOFF protocol whenexec

42Remote Operation over the RS-232-C/V.24 Data InterfaceOutput of software number:The current software number is transmitted.<STX> 3 4

43SpecificationsSpecificationsHousing ND 221 BBenchtop design,cast-metal housing (W • H • D)239 mm • 84.6 mm • 224 mmOperating temperature 0° to 45° C

44SpecificationsND 221 B: Dimensions in mm/inches351.43"172 ± 0.26.77" ± .008"33.51.37"2248.82"140 ± 0.25.51" ± .008&quo

45350 273-23 · SW 349 797-04 · 10 · 5/2003 · E · Printed in Germany · Subject to change without noticeHEIDENHAIN (G.B.) Limited200 London Road, Burges

5Installation and SpecificationsRear Panel, Accessories 11Mounting 12Power Connection 13Operating Parameters 14List of Operating Parameters 16Linear E

6Scale in Distance-codedlinear encoder reference marksPosition Encoders and Reference MarksThe ND 221 B display unit is designed for use withp

7Switch-On, Traversing the Reference MarksREF ModeCrossing over the reference marks automatically switchesthe display to REF mode: The last assignment

8Datum SettingThe datum setting procedure assigns a display value to aknown position. With the ND 200 series, you can set twoseparate datum points.The

9Measured Value OutputFor technical information on the RS-232-C/V.24data interface (X31), information on the dataformat, etc., see the chapter “RS-232