ND 287


    ND 287


    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


    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


    Screen for position values, dialog boxes, input fields, graphing functions, and soft keys


    • 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


    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


     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)