User's Manual ND 281, NDP 281 - heidenhain - DR. JOHANNES ...

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List of Operating Parameters 24 Parameter Settings / Function Set display No set/zero reset with CL/ENT Zero reset with CL, setting with ENT disabled Zero reset with CL and set with ENT to value selected in P79 Message after switch-on message No message External REF REF over D-sub connection EXT No REF over D-sub connection EXT First indicator after pressing MOD START PRINT MIN ACTL MAX DIFF
Linear Encoders The ND 281 and NDP 181 display units are intended for use with photoelectrical encoders with sinusoidal signals — 11 µA PP or 1 V PP. ND 281A, 11 µA PP: Id. Nr. 283 481 .. ND 281V, 1 V PP: Id. Nr. 322 353 .. NDP 281, 11 µA PP: Id. Nr. 289 214 .. Display step with linear encoders The display step depends on the signal period of the encoder and the subdivision of the encoder signals. You can select a specific display step by adapting the following operating parameters: Subdivision (P32) Counting mode (P33) Decimal places (P38) Example Linear encoder with a signal period of 10 µm Desired display step ................ 0.000 5 mm Subdivision (P32) ..................... 20 Counting mode (P33) ............... 5 Decimal places (P38) ............... 4 The tables on this page and on the next will help you to select the appropriate parameter settings. Display step, signal period and subdivision for linear encoders Signal period [µm] Display step 2 4 10 20 40 100 200 12 800 [mm] [inches] P32: Subdivision 0.000 005 0.000 000 2 400 – – – – – – – 0.000 01 0.000 000 5 200 – – – – – – – 0.000 02 0.000 001 100 – – – – – – – 0.000 05 0.000 002 40 80 – – – – – – 0.000 1 0.000 005 20 40 100 200 – – – – 0.000 2 0.000 01 10 20 50 100 – – – – 0.000 5 0.000 02 4 8 20 40 80 – – – 0.001 0.000 05 2 4 10 20 40 100 – – 0.002 0.000 1 1 2 5 10 20 50 100 – 0.005 0.000 2 0.4 0.8 2 4 8 20 40 – 0.01 0.000 5 0.2 0.4 1 2 4 10 20 – 0.02 0.001 – – 0.5 1 2 5 10 – 0.05 0.002 – – 0.2 0.4 0.8 2 4 256 0.1 0.005 – – 0.1 0.2 0.4 1 2 128 0.2 0.01 – – – – – – – 64 Linear Encoders 25
Page 1 and 2: User's Manual ND 281 NDP 281 Measur
Page 3 and 4: Key Function Set datum Transfer inp
Page 5 and 6: Contents Working with the ND Displa
Page 7 and 8: Switch-On, Crossing Over the Refere
Page 9 and 10: Finding Minimum and Maximum Values
Page 11 and 12: Starting a new series of measuremen
Page 13 and 14: Measured Value Output For technical
Page 15 and 16: Error Messages Display Problem Last
Page 17 and 18: Rear Panel Connections X1, X31 and
Page 19 and 20: Power Connection Electric shock dan
Page 21 and 22: Code number for changing protected
Page 23: Parameter Settings / Function Linea
Page 27 and 28: Parameter settings for HEIDNHAIN li
Page 29 and 30: Parameter settings for HEIDENHAIN l
Page 31 and 32: Pin layout RS-232-C/V.24 (X31) Pin
Page 33 and 34: Measured value output after signal
Page 35 and 36: Switching Inputs and Outputs EXT (X
Page 37 and 38: Setting and zero resetting the disp
Page 39 and 40: Switching signal for errors The dis
Page 41 and 42: Specifications Housing ND 281 Bench
Page 43 and 44: NDP 281: Dimensions in mm/inches 11

User's Manual ND 281, NDP 281 - heidenhain - DR. JOHANNES ...

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