Sick Fiber Optic Sensor WLL180T-P432

Series#: Sick

Product Details

SICK WLL180T-P432, WLL180T-P434, WLL180T-P474, WLL180T-P435 – High-performance fiber-optic amplifiers for precision detection.
Visible red LED light source (650 nm) with up to 20 m sensing range in through-beam systems.
Dual 4-character digital displays for simultaneous set value and actual value monitoring.
Programmable delay times (0 ms to 9,999 ms) and multiple time functions: off delay, on delay, ON/OFF delay, one shot.
PNP switching output with light/dark switching mode and adjustable response times from ≤16 µs to ≤8,000 µs.
Compact rectangular design (10.5 mm x 34.6 mm x 71.9 mm) with PVC cable connection (2 m, 4-wire) and IP50 enclosure rating.
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Specification

The SICK WLL180T series fiber-optic amplifiers, including models WLL180T-P432, WLL180T-P434, WLL180T-P474, and WLL180T-P435, are versatile stand-alone units designed for demanding industrial automation tasks. These amplifiers leverage a visible red LED light source (650 nm) to achieve exceptional sensing ranges—up to 20 m in through-beam configurations and up to 1,400 mm in proximity systems. With a menu-controlled adjustment interface featuring a single teach-in button and dual 4-character digital displays, operators can easily set parameters and monitor both set and actual values in real time. The built-in multifunctional input (MF) and programmable delay functions (0 ms to 9,999 ms) provide flexibility for complex timing sequences, while the PNP output supports light/dark switching with selectable response times ranging from ≤16 µs to ≤8,000 µs. Housed in a durable ABS/PC plastic rectangular enclosure measuring 10.5 mm x 34.6 mm x 71.9 mm, these amplifiers offer IP50 protection and are supplied with a BEF-WLL180 mounting bracket for straightforward installation. The 2-meter PVC cable (4-wire, 0.2 mm² conductor cross-section) ensures reliable connectivity, and the unit operates efficiently on 12 V DC to 24 V DC supply voltage with a power consumption of just 50 mA. Ideal for high-speed applications, the WLL180T series delivers switching frequencies up to 31.2 kHz, making it a robust choice for precision detection in packaging, material handling, and assembly lines.

Parameter	Specification
Type	Stand-alone
Dimensions (W x H x D)	10.5 mm x 34.6 mm x 71.9 mm
Housing design (light emission)	Rectangular
Sensing range max.	0 m … 20 m (Through-beam system), 0 mm … 1,400 mm (Proximity system)
Focus	5)
Type of light	Visible red light
Light source	LED (6)
Angle of dispersion	Approx. 65° (5)
Wave length	650 nm
Adjustment	Menu-controlled, Single teach-in button, Cable
Delay time	Programmable, 0 ms … 9,999 ms
Time functions	Without time delay, Off delay, On delay, ON and OFF delay, One shot
Indication	Display
Display	LED status display / 2x 4-character digital dual displays, Set value (green indicator) and actual value (red indicator) are displayed simultaneously, display of parameters
Supply voltage	12 V DC … 24 V DC (1)
Ripple	≤ 10 % (2)
Power consumption	50 mA (3)
Switching output	PNP
Number of switching outputs	1
Switching mode	Light/dark switching
Switching mode selector	Manually selectable
Output current Imax.	≤ 100 mA
Response time	≤ 16 µs, ≤ 70 µs, ≤ 250 µs, ≤ 2,000 µs, ≤ 8,000 µs (4)
Switching frequency	31.2 kHz, 7.1 kHz, 2 kHz, 250 Hz, 62.5 Hz
Input	Multifunctional input MF
Connection type	Cable, 4-wire, 2 m (5)
Cable material	PVC
Conductor cross-section	0.2 mm²
Circuit protection	A (6), B (7), C (8), D (9)
Protection class	III
Weight	25 g
Housing material	Plastic, ABS/PC
Enclosure rating	IP50 (10)
Items supplied	BEF-WLL180 mounting bracket
Ambient operating temperature	–25 °C … +55 °C
Ambient storage temperature	–40 °C … +70 °C
UL File No.	NRKH.E300503