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Summary of Contents for HEIDENHAIN ND 221
- Page 1 (217) 352-9330 | Click HERE Find the Heidenhain ND221 at our website:...
- Page 2 HEIDENHA IN Working w it h t he m easured ND 221 value display unit • Confirm ent ry value • Set display to value from Act ual value and input display Select dat um P79 (P80! ) (7-segment LED, •...
- Page 3 The ND 221 is designed primarily for use w ith HEIDENHAIN M T Lengt h Gauges. M T gauges feature one reference mark. When the reference mark is crossed over, it generates a signal identifying that position as a reference point.
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Page 4: Operating Parameters
Operat ing Param et ers The parameters are divided into “ user parameters“ and “ protected operating param- eters," w hich can only be accessed by entering a code number. User param et ers User parameters are operating parameters that you can change w it hout entering the code number: They are designated P00 to P30, P50, P51, P79, P86 Calling user param et ers To call user parameters im m ediat ely aft er sw it ch-on:... - Page 5 Exam ple: Displayed measuring length L a = 620.000 mm Actual length (determined w ith, for example, the VM 101 comparator system from HEIDENHAIN) L t = 619.876 mm Length difference ∆L = L t – L a = –124 µm Compensation factor k: k = ∆L / L a = –124 µm / 0.62 m = –200 [µm/m]...
- Page 6 Parameter Set tings for HEIDENHAIN Linear Encoders M odel P 43 Display st ep The follow ing settings (unit : P01) apply for m m : inches Subdi- Count. Decim al vision m ode places single 0,0005 0,00002 M T xx01...
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Page 7: Data Output
P86); or ➤ Enter the command STX (CTRL B) over the RXD input. A connect ing cable (to a PC, for example) is available from HEIDENHAIN (Id.-Nr. 274 545 ..); cable length up to 20 m (66 ft). -
Page 8: Error Messages
Should any of these error codes recur, contact your HEIDENHAIN service agency. Offset compensation values for encoder signals have been erased: contact your HEIDENHAIN service agency. Erase the operating parameters. If all decim al point s light up, the measured value is too large or too small. -
Page 9: Rear Panel
50 ... 60 Hz Pow er sw itch Ground terminal Input for HEIDENHAIN linear encoder w ith sinusoidal output signals (7µA to 16 µA connecting cable max. 30 m (98.5 ft), maxi- mum permissible input frequency 100 kHz Interface X1 complies w ith the recommendations in EN 50 178 for separation from line power.
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