L23 Incremental Linear Encoder
L23 Linear Encoder Drawing

Incremental linear encoder

L23

Optical modular linear encoder L23 can have up to 20.000 mm measuring length or even more on special order and is able to reach up to ±3 µm accuracy.

Mechanical data

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) ±5 μm
Grating period 400 μm; 20 μm; 40 μm
Reference marks (RI) N: without reference mark
M: every 30 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) with compressed air:  IP64
Weight 0.4 kg + 2.8 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) ≤ 150 m/s²
Coefficient of thermal expansion 10.6 x10-6°C

Electrical data

Version L23-F Π TTL; HTL (on request)
Supply voltage  + 5 V ± 5 %; + 12V ± 5 %
Max. supply current (without load) 65 mA
Light source LED
Incremental signals Differential square-wave U1 / U1 and U2 / U2.
Reference signal One differential square-wave U0 / U0 .
Signal levels at load current 20 mA low (logic “0”) < 0.5 V at Up = ±5V
high (logic “1”) > 2.4 V at Up = ±5V
low (logic “0”) < 1.5 V at Up = ±12V (HTL)
high (logic “1”) > (Up – 2)V at Up = ±12V (HTL)
Direction of signals U2 lags with U1 in clockwise rotation (viewed from shaft side)
Standard cable length 4 m; without connector
Maximum cable length 25 m

Accessories

Downloads

Product Catalog
Encoder Selection Guide 2021
L23 Linear Encoder Datasheet
L23 Incremental LInear Encoder 2D Drawing

Order code

L23 – X1 – X2 -X3 – X4 -X5 – X6/X7

Output Signals and Resolution (X1) Measuring Length (X2) Reference Mark (X3) Supply Voltage (X4) Compressed Air (X5) Cable Length (X6) Connector Type (X7)
F01 – TTL 0.1um
F02 – TTL 0.2um
F05 – TTL 0.5 um
F10 – TTL 1.0um
F50 – TTL 5.0 um
F100 – TTL 10um
F500 – TTL 50um
F1000 – TTL 100um		 0250 – 250mm
0500 – 500m
…
20000 – 20000mm
… – (on request)		 N – none IR
S – standard
M – every 30 mm
P – RI number and place on option		 05V – +5V
28V – +(10…28)V		 0 – without compressed air
1 – with compressed air		 01 – 1m
02 – 2m
03 – 3m
04 – 4m (standard)		 W – without connector
B12 – round, 12 pins
C9 – round, 9 pins
C12 – round, 12 pins
D9 – flat, 9 pins
D15 – flat, 15 pins
RS10 – round, 10 pins
ONC – round, 10 pins

ORDER EXAMPLE: 

  1. L23-F100-16000-N-05V-0-04/C12

Order form

    Check the "Order code" tab in the product page to see how to know your order code.