L50

Photoelectric modular linear encoder L50 is an incremental encoder and has the measuring length from 3.240 up to 30.040 mm, grating period of 40 µm and accuracy of any meter within the ML of up to ±10 µm.



Mechanical Data

Measuring lengths (ML), mm

from 3240 up to 30040 (length of each module with steps 200 mm)

Accuracy grades to any meter within the ML (at 20°C)

± 10 μm/m

Grating period 40 μm
Reference marks (RI)



- C: at coded distance 80 mm
- P: at constant step 50 mm
- E: selectable through magnet

Max. traversing speed

1 m/min

Required moving force with sealing lips < 6 N
Protection (IEC 529)
- without compressed air: IP53
- with compressed air (optional): IP64
Weight 1.8 kg + 3.3 kg/m
Operating temperature 0...+50°C
Storage temperature -20...+70°C
Permissible vibration (40 to 2000 Hz) ≤ 100 m/s²
Permissible shock (11 ms) ≤ 300 m/s²
Coefficient of therman expansion 10.6 x 10-6 °C

Electrical Data

Version L50-AV ∫ 1 Vpp L50-F Π TTL
Supply voltage + 5 V ± 5 % / 100 mA (120 Ω) + 5 V ± 5 % / 150 mA (120 Ω)
Light source LED LED
Resolution

up to 0.1 µm depending on external subdividing electronics

10; 5; 1; 0.5 μm (after 4 - fold dividing in subsequent electronics)

Incremental signals Differential sine +A / -A and +B / -B
Amplitude at 120 kΩ load:
- A = 0.6 - 1.2 V
- B = 0.6 - 1.2 V

Differential square-wave U1 / U1 and U2 / U2. Signal levels at 20 mA load current:
- low (logic "0") ≤ 0.5 V
- high (logic "1") ≥ 2.4 V

Reference signal

Quasi-triangular R magnitude at 120 Ω load:
- R = 0.25 - 0.8 V (usable component)

One differential square-wave U0 / U0 per revolution. Signal levels at 20 mA load current:
- low (logic "0") ≤ 0.5 V
- high (logic "1") ≥ 2.4 V

Direction of signals B lags A at reading head displacement from left to right U2 lags U1 at reading head displacement from left to right
Standard cable length 4 m 4 m
Maximum cable length 150 m 50 m

Accessories

Drawings

Typical Applications

           
     
           
           

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