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PP 281

Request

PP 281 R

Measuring standard

Coefficient of linear expansion

Two-coordinate TITANID phase grating on glass; grating period 8 µm

αtherm 8 · 10-6 K-1

Accuracy grade

± 2 µm

Measuring range

68 mm x 68 mm,

other measuring ranges upon request

Reference marks1)

One reference mark in each axis, 3 mm after beginning of measuring length

Interface

1 VPP

Signal period

4 µm

Cutoff frequency –3 dB

300 kHz

Traversing speed

≤ 72 m/min

Electrical connection

Cable, 0.5 m with D-sub connector (male), 15-pin; with interface electronics in the connector

Cable length

See Interface Description, but ≤ 30 m (with HEIDENHAIN cable)

Voltage supply

5 V DC ± 0.25 V

Current requirement

< 185 mA per axis

Vibration 55 to 2 000 Hz

Shock 11 ms

≤ 80 m/s2 (EN 60 068-2-6)

≤ 100 m/s2 (EN 60 068-2-27)

Operating temperature

0 °C to 50 °C (32 °F to 122 °F)

Weight Scanning head

Grid plate

Connecting cable

Connector

170 g (without connecting cable)

75 g

37 g/m

140 g

1) The zero crossovers K, L of the reference-mark signal deviate from the interface specification (see the mounting instructions)