Non-contact linear incremental encoders – EXT

Non-contact open linear incremental encoders - EXT

Non-contact open linear encoder for high accuracy, high speed applications.

It consists of a compact reader head with all the electronics and optics integrated into a single body that may be mounted from the side or from the top.
It has an LED to help mounting it and includes a 1 or 3 meter cable with a connector, a 10 mm wide reflective stainless steel tape that is highly resistant to solvents on an adhesive or bolted aluminum guide.

Measuring lengths in millimeters:
Available from 140 mm to 30,040 mm in 100 mm increments.

Model description:
PT + TT + L2R: non-contact open linear connector with an incremental reader head, incremental I0 (every 50 mm) and a tensioned incremental tape with an aluminum adhesive guide. Indicate PTS for bolted guided.
PT + TT + L2S: non-contact open linear connector with an incremental reader head, I0 that may be selected with a magnet and a tensioned incremental tape with an aluminum adhesive guide. Indicate PTS for bolted guided.

Characteristics:
  PT + TT + L2RD PT + TT + L2RX PT + TT + L2RY PT + TT + L2RW
Measurement Incremental: By means of a 20 μm-pitch graduated steel tape
Steel thermal expansion coefficient αtherm: ≈ 11 ppm/K.
Measuring resolution 5 μm 1 μm 0,5 μm 0,1 μm  0,1 μm Hasta 0,1 μm
Output signals

salida-TTL-diferencial

TTL differential

salida-TTL-diferencial

TTL differential

salida-TTL-diferencial

TTL differential

salida-TTL-diferencial

TTL differential

salida-TTL-diferencial

TTL differential

onda-senoidal

1 Vpp

Incremental signal period 20 μm 4 μm 2 μm 0,4 μm 0,4 μm 20 μm
Limit frequency 200 kHz 1 MHz 1 Mhz 1,5 Mhz  2,5 Mhz 400 Khz
Maximum speed 240 m/min 240 m/min 120 m/min 36 m/min 60 m/min 480 m/min
Minimum distance between flanks 1,2 μs 0,2 μs 0,2 μs 0,2 μs
0,05 μs
-
Reference marks I0
L2RD, L2RX, L2RY, L2RW, L2RW1, L2RP: every 50 mm
L2SD, L2SX, L2SY, L2SW, L2SW1, L2SP: I0 that may be selected with a magnet
Limits Open collector, active low. Activation by magnets
Maximum cable length 50 m 50 m 50 m 50 m  50 m 150 m
Supply voltage

5V ±5%,

<150 mA (without load)

5V ±5%,

<150 mA (without load)

5V ±5%,

<150 mA (without load)

5V ±5%,

<150 mA (without load)

5V ±5%,

<150 mA (without load)

5V ±10%,

<150 mA (without load)

Reader head 1 or 3 meter cable with a connector
Reader head protection IP 40
Accuracy ± 5 μm /m
Maximum vibration 200 m/s2 (55 … 2000 Hz) IEC 60068-2-6
Maximum vibration 1000 m/s2 (11 ms) IEC 60068-2-27
Operating temperature 0ºC … 50ºC
Storage temperature -20ºC ... 70ºC
Weight 0,27 kg + 0,26 kg/m
Relative humidity  20 … 80%

 

EXT Model
(Dimensions in mm)

Order identification:
Example of Non-contact linear Encoder: PT30 + TT-62 + L2RX-3C1
Guide Tape
PT 30 TG 64
PT: adhesive guide for tensioned tape
PTS: bolted guide for tensioned tape
Measuring lengths in centimeters:
In the example 30 = 300 mm
Incremental graduated tape for the
tensioned model
Measuring lengths in centimeters:
In the example 64 = 640 mm

 

Reader head
L2 R X 3 C1
Single-body reader
head with LED
Type of reference mark I0:
R: incremental every 50 mm
S: may be selected with a
magnet
Type of signal:
D: 5 μm resolution differential TTL
X: 1 μm resolution differential TTL
Y: 0. 5 μm resolution differential TTL
W/W1: 0.1 μm resolution differential TTL
P: 1 Vpp sinusoidal
Cable length:
1: 1 meter
3: 3 meters
Connector:
D: Fagor
H2: Yaskawa®
C1: M-F threaded 12-pin round connector
C5: M-M threaded 12-pin round connector