Panasonic LS-501 Digital Laser Sensor Amplifier

Technical Overview

Ultra-compact digital laser sensor amplifier with dual 4-digit display, 2 NPN outputs, 60µs response, and logic functions for precise industrial detection.

Key Features

Equipped with 2 large 4-digit dual color displays of threshold and light intensity.
Provides two digital output settings via PB teach.
Offers logical modes including AND, OR, and XOR.
Supports multiple sensing modes: full-auto teach, limit teach, and 2-point teach.
Includes an 8-channel memory bank for storing settings.
Features interference prevention, allowing up to 4 amplifiers to be used in close proximity.
Output operation mode is Light-On/Dark-On selectable.
Constructed with a durable polycarbonate enclosure and cover, and a polyacetal switch.
Integrated timer function with OFF-delay, ON-delay, ONE-SHOT, ON/OFF-delay, and ON-delay/ONE-SHOT modes.
Includes a key lock function for secure operation.
Allows for laser emission halt via external input.
Designed for side-by-side mounting with Panasonic FX-300 series.
RoHS Compliant.

Technical Specification Matrix

Parameter	Value
Series	LS-500
Supply Voltage	12 to 24 VDC
Output Type	2 NPN Outputs (digital)
Max Sink Current	50 mA (25 mA if 5 or more amplifiers cascaded)
Operating Temperature	-10º to +55º C
Protection Rating	IP40
Construction Material	Polycarbonate enclosure and cover, polyacetal switch
Response Time	60µs max.
Physical Weight (kg)	0.02
Dimensions L x W x H (cm)	1.2 x 0.82 x 2.34

Industrial Applications

1. High-Speed Small Part Detection on Conveyor Belts

The LS-501's ultra-compact dimensions (0.82 x 2.34 x 1.2 cm) and rapid 60µs response time make it ideal for accurately detecting miniature components moving quickly on conveyor belts in automated assembly lines. Its dual NPN outputs can precisely trigger sorting mechanisms or identify defective parts.

Problem Solved

Ensures accurate counting, positioning, and quality control of tiny components in fast-paced manufacturing where larger sensors might obstruct or fail to detect small objects.

High-speed detectionminiature componentsconveyor beltautomated assemblyNPN output60µs response timecompact size

2. Precise Edge Alignment in Material Handling Systems

In applications demanding accurate material positioning, such as guiding thin films, paper, or small sheets, the LS-501 can precisely detect material edges. Its digital display facilitates fine-tuning of threshold values, while the selectable Light-On/Dark-On mode provides versatility for various material types.

Problem Solved

Prevents material misalignment, thereby ensuring consistent product quality and reducing waste in processes like packaging, printing, or laminating by providing highly accurate edge detection.

Edge detectionmaterial alignmentdigital displaythreshold adjustmentLight-On/Dark-On12-24 VDC

3. Object Presence/Absence Verification in Compact Machinery

With its extremely small form factor and 12-24 VDC operating voltage, the LS-501 is perfectly suited for verifying the presence or absence of objects within very tight spaces inside automated machinery, including robotic grippers, dispensing systems, or specialized tooling. The IP40 rating allows for deployment in typical factory environments with controlled dust ingress.

Problem Solved

Confirms critical operational states (e.g., 'part loaded', 'tool clear') in confined areas, significantly enhancing machine safety, reliability, and precision in automation sequence control.

Confined space sensingobject verification12-24 VDCIP40compact machineryNPN output