HEIDENHAIN LIP 21 Exposed Linear Encoder
HEIDENHAIN
Product number: LIP 21
Producer: HEIDENHAIN
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Datasheets for HEIDENHAIN LIP 21 Exposed Linear Encoder
Description for HEIDENHAIN LIP 21 Exposed Linear Encoder
ScaleLIP 201Measuring standardCoefficient of linear expansionOPTODUR phase grating on Zerodur glass ceramic; grating period 2.048 µmαtherm = (0 ±0.1) · 10–6 K–1Accuracy grade*±1 µm±3 µm (higher accuracy grades upon request)Baseline error≤ ±0.125 µm/5 mmMeasuring length (ML)*in mm 20 30 50 70 120 170 220 270 320 370 420 470 520 570 620 670 720 770 820 870 920 970 1020 370 420 470 520 570 620 670 720 770 820 870 920 970 1020 1140 1240 1340 1440 1540 1640 1840 2040 2240 2440 2640 2840 3040Reference marksOne at midpoint of measuring lengthMass1.1 g + 0.11 g/mm measuring lengthScanning headLIP 21LIP 29 FLIP 29 MLIP 28InterfaceEnDat 2.21)Fanuc Serial Interface1)Mitsubishi high speed1) 1 VPPOrdering designationEnDat22Fanuc02Mit02-4–Integrated interpolation16384-fold (14 bits)–Clock frequency≤ 16 MHz––Calculation time tcal≤ 5 µs––Measuring step0.03125 nm (31.25 pm)–Signal period–0.512 µmCutoff frequency –3 dB–≥ 3 MHzTraversing speed≤ 120 m/min≤ 90 m/minInterpolation errorRMS position noise±0.4 nm4)0.12 nm±0.4 nm4)0.12 nm (3 MHz3))Electrical connection*Cable, 0.5 m or 1 m (2 m and 3 m for 1 VPP), with interface electronics in the connector (15-pin D-sub (male))Cable lengthSee interface description; however, ≤ 15 m (≤ 30 m at 1 VPP) with HEIDENHAIN cable;during signal adjustment with the PWM 21: ≤ 3 mSupply voltageDC 3.6 V to 14 VDC 5 V ±0.25 VPower consumption2) (max.)At 14 V: 2500 mW; at 3.6 V: 2600 mW–Current consumptionAt 5 V: 300 mA (without load, typical) ≤ 390 mALaserScanning head and scale, mounted: class 1; scanning head not mounted: class 3BVibration 55 Hz to 2000 HzShock 11 ms≤ 200 m/s2 (IEC 60068-2-6)≤ 400 m/s2 (IEC 60068-2-27)Operating temperature0 °C to 50 °CMassScanning head: 59 g; connector: 140 g; cable: 22 g/m* Please select when ordering; for measuring lengths < 70 mm, the ''adhesively bonded” mounting type is recommended1) Absolute position value in ''Position Value 2” after crossing the reference mark2) See General electrical information in the Interfaces of HEIDENHAIN Encoders brochure3) –3 dB cutoff frequency of the subsequent electronics 4) With HEIDENHAIN interface electronics
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