Evaluation Electronics: ND 287

Specifications

	ND 287
Axes	One; option: second input through encoder module
Encoder inputs Input frequency	1 VPP, 11 µAPP, or EnDat1) (automatic interface detection) 1 VPP: ≤ 500 kHz; 11 µAPP: ≤ 100 kHz
Subdivision factor	4096-fold
Display step2)	Configurable, up to nine digits Linear axis: 0.5 µm to 0.002 µm; angular axis: 0.5° to 0.000 01° (00° 00’ 00.1”)
Analog input	Option: ±10 V via analog module; resolution: 5 mV
Display	Screen for position values, dialog boxes, input fields, graphing functions, and soft keys
Functions	REF reference-mark evaluation for distance-coded or single reference marks Two presets and distance-to-go mode External operation via serial interface Sorting and tolerance checking Measurement series with minimum and maximum value recording Storage of measured values (up to 10 000) Functions for statistical process control (SPC) Graphical depiction of distribution/histogram Sum/difference display (with second encoder module) Thermal compensation (with analog module)
Axis-error compensation	Linear axis: linear, and segmented linear via 200 compensation points Angular axis: segmented linear with 180 compensation points (every 2°)
Data interface	RS-232-C/V.24; USB (Type B); option: Ethernet 100BaseT, via Ethernet module
Switching outputs for automation tasks	Zero crossover; trigger points 1 and 2 Sorting signals ''<” and ''>” Errors
Switching inputs for automation tasks	Zero reset, set displayed value Move to reference point and ignore reference signals Measured value output or display freeze Start measurement series Minimum, maximum, and difference display Gating of the two encoder inputs Sum or difference display Display of measured value 1 or measured value 2
Accessories	Mounting adapter, encoder module, analog module, Ethernet module
Power connection	AC 100 V to 240 V (–15 % to +10 %), 48 Hz to 62 Hz; 30 W
Operating temperature	0 °C to 50 °C (storage temperature: –40 °C to +85 °C)
Protection EN 60529	IP40; front panel: IP54
Mass	2.5 kg
1) Purely serial, with no evaluation of incremental signals 2) Depends on the signal period of the connected encoder (Display step Signal period/4096)