In the field of CNC system SINUMERIK and drives SIMODRIVE we have the following status:  
  SIEMENS partner company  
     
 

DPP digital readouts

 
     
  Digital readouts for up to six axes  
  A digital readouts (DRO) consist of one or more linear encoders for traverse measurement and a display unit for showing position values. DROs are typically fitted or retrofitted on:  
  -machine tools such as milling, drilling and boring machines, lathes, electrical discharge machines, grinding machines  
  -measuring machines  




ND 200 series are standard displays for 1 axis
Interfaces: RS232, USB, Ethernet 100 BaseT (option. only with ND 287)





ND 280 (1 axis)
For 1Vpp, 11µApp, EnDat 2.2 encoders



ND 287 (1 axis)
For 1Vpp, 11µApp, EnDat 2.2 encoders with more options (Ethernet, color display,..)




     
  ND 500 series are standard displays for 2 or 3 axes.
Interfaces: USB only
 
     
  ND 522 (2 axes)
For TTL encoders
 
  ND 523 (3 axes)
For TTL encoders
 
     
     
  ND 780 series are standard displays for up to 3 axes
Interfaces:RS232 only
 
     
  ND 780 (up to 3 axes)
For 1Vpp or 11µApp
 
     
     
  POSITIP 880 series are graphical displays with conversational guidance and contextual help on a flat screen for up to 6 axes
Interfaces:RS232
 
     
  POSITIP 880 (up to 6 axes)
For 1Vpp, 11µApp, EnDat 2.1 encoders  
     
     
     
 

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