Measuring lengths (ML), mm

250, 300, 350, 400, 450, 500...20000 (more on option)

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

± 10; ± 5; ± 3 μm (optional)

Grating period

400 μm; 40 μm; 20 μm

Reference marks (RI)

- N: without reference mark
- M: every 50 mm 
- P (optional): RI number and place

Max. traversing speed

- when T = 400 μm and resolution 100, 50, 10 μm: 120 m/min
- when T = 40 μm and
- resolution 10.5 μm: 80 m/min
- resolution 1 μm: 25 m/min
- when T = 20 μm and
- resolution 5 μm: 60 m/min
- resolution 0.5 μm: 12 m/min

Required moving force with sealing lips

< 4 N

Protection (IEC 529)

- without compressed air: IP54
- with compressed air (optional): IP64

Weight

0.4 kg + 2.8 kg/m

Operating temperature

0...+50°C

Storage temperature

-20...+70°C

Permissible vibration (10 to 2000 Hz)

≤ 100 m/s²

Permissible shock (11 ms)

≤ 150 m/s²

Coefficient of thermal expansion

10.6 x 10^-6 °C

Version

L23-F Π (TTL or HTL)

Supply voltage

+ 5 V ± 5 %; 65 mA
+ 12 V ± 5 %; 65 mA

Light source

LED

Resolution

100, 50, 10, 5, 1, 0.5 μm (after 4 - fold in subsequent electronics)

Incremental signals

Differential square-wave U1 / U1 and U2 / U2

Reference signal

Differential square-wave U0 / U0

Signal levels at load current 20 mA

- low (logic "0") < 0.5 V at U_p = ±5V
- high (logic "1") > 2.4 V at U_p = ±5V
- low (logic "0") < 1.5 V at U_p = ±12V (HTL)
- high (logic "1") > (U_p - 2)V at U_p = ±12V (HTL)

Direction of signals

U2 lags with U1 (displacement from left to right and head position down)

Standard cable length

4 m armored; without connector

Maximum cable length

25 m