WTT12L-A2553

Features

Functional principle

Photoelectric proximity sensor

Functional principle detail

Background suppression, Optical time-of-flight

Dimensions (W x H x D)

20 mm x 49.6 mm x 44.2 mm

Housing design (light emission)

Rectangular

Sensing range max.

50 mm … 1,800 mm ¹⁾

Sensing range

100 mm … 1,800 mm ²⁾

¹⁾

Type of light

Visible red light

Light source

Laser ⁸⁾

Light spot size (distance)

Ø 12 mm (1,800 mm)

Wave length

658 nm

Laser class

1 (IEC 60825-1 / CDRH 21 CFR 1040.10 & 1040.11)

Adjustment

Single teach-in button (2 x)

Mechanics/electronics

Supply voltage	12 V DC … 30 V DC ¹⁾ ²⁾
Ripple	< 5 V_pp ³⁾
Current consumption	70 mA ⁴⁾
Switching output	Push-pull: PNP/NPN ⁵⁾
Number of switching outputs	1 (Q₁) ⁵⁾
Switching mode	Light switching ⁵⁾
Output current I_max.	≤ 50 mA
Response time	≤ 5 ms ⁶⁾
Switching frequency	100 Hz ⁷⁾
Analog output	4 mA … 20 mA (≤ 450 Ω) / 0 V … 10 V (≥ 50 kΩ) / switchable
Resolution of analog output	12 bit
Output time	≤ 5 ms
Input	Sender off
Connection type	Male connector M12, 5-pin
Circuit protection	A ⁸⁾ B ⁹⁾ C ¹⁰⁾
Protection class	III
Weight	48 g
Housing material	Plastic, VISTAL®
Optics material	Plastic, PMMA
Enclosure rating	IP67
Ambient operating temperature	–35 °C … +50 °C ¹¹⁾
Ambient temperature, storage	–40 °C … +70 °C
Warm-up time	< 15 min ¹²⁾
Initialization time	< 300 ms
UL File No.	NRKH.E181493

¹⁾ Limit values. Operated in short-circuit protected network: max. 8 A.
²⁾ Vs min when using the voltage output = 13 V.
³⁾ May not exceed or fall below U_v tolerances.
⁴⁾ Without load. At V_S = 24 V.
⁵⁾ Q1 = 1 switching threshold, light switching.
⁶⁾ Signal transit time with resistive load.
⁷⁾ With light/dark ratio 1:1.
⁸⁾ A = V_S connections reverse-polarity protected.
⁹⁾ B = inputs and output reverse-polarity protected.
¹⁰⁾ C = interference suppression.
¹¹⁾ For Vs ≤ 24 V. When Tu = 45 °C or above, a maximum load resistance of 300 Ω … 450 Ω is permitted on QA.
¹²⁾ Below T_u = –10 °C a warm-up time is necessary.

Classifications