Panasonic LS-501P-C2 Digital Laser Sensor Amplifier

Technical Overview

PNP open-collector digital laser sensor amplifier with 60 \u00b5s response, dual outputs for self-diagnosis, threshold tracking, and open network connectivity.

Key Features

PNP open-collector transistor dual outputs
Selectable Light-ON or Dark-ON output operation
Integrated short-circuit protection
Multiple response time modes: H-SP (60 \u00b5s), FAST (150 \u00b5s), STD (250 \u00b5s), LONG (500 \u00b5s), U-LG (5 ms), HYPR (24 ms)
Threshold value tracking for stable long-term sensing
Dual outputs for beam axis misalignment detection (self-diagnosis)
Three logic operations (AND, OR, XOR) directly on the unit
Data bank function to store 8 sets of amplifier settings
Network communication via SC-GU3 series communication units
8-digit 7-segment digital display for easy status monitoring
External input functions for laser emission halt and teaching
IP40 protection rating
Wide ambient temperature range: -10 to +55 \u00b0C

Technical Specification Matrix

Parameter	Value
Output Type	PNP open-collector transistor two outputs
Supply Voltage	12 to 24 V DC \u00b110% (Ripple P-P 10% or less)
Normal Power Consumption	1,200 mW or less (Current consumption 50 mA or less at 24 V)
ECO Mode Power Consumption	980 mW or less (Current consumption 40 mA or less at 24 V)
Maximum Source Current	50 mA
Applied Voltage (Output)	30 V DC or less (between output and +V)
Residual Voltage (Output)	2 V or less (at max. source current)
Short-Circuit Protection	Incorporated
H-SP Response Time	60 \u00b5s or less
FAST Response Time	150 \u00b5s or less
STD Response Time	250 \u00b5s or less
LONG Response Time	500 \u00b5s or less
U-LG Response Time	5 ms or less
HYPR Response Time	24 ms or less
Monitor Current Output Range	Approx. 4 to 20 mA
Monitor Output Response Time	2 ms or less
Monitor Output Load Resistance	0 to 250 \u03a9
External Input Signal Condition (High)	+4 V to +V DC (sink current 3.0 mA or less)
External Input Signal Condition (Low)	0 to +0.6 V DC or open
External Input Impedance	10 k\u03a9 approx.
Digital Display	8-digit 7-segment digital display (4-digit green LED + 4-digit red LED)
Protection Rating	IP40 (IEC)
Ambient Temperature Range	-10 to +55 \u00b0C (No dew condensation or icing allowed)
Storage Temperature Range	-20 to +70 \u00b0C
Ambient Humidity Range	35 to 85% RH
Storage Humidity Range	35 to 85% RH
Voltage Withstandability	1,000 V AC for one min. (between all supply terminals connected together and enclosure)
Insulation Resistance	20 M\u03a9 or more (with 250 V DC megger between all supply terminals connected together and enclosure)
Vibration Resistance	10 to 150 Hz frequency, 1.5 mm double amplitude or 98 m/s\u00b2 in X, Y and Z for 2 hours
Shock Resistance	98 m/s\u00b2 acceleration (10 G approx.) in X, Y and Z for 3 times
Enclosure Material	Polycarbonate
Cover Material	Polycarbonate
Switch Material	Polyacetal
Cable Type	0.2 mm\u00b2 6-core cabtyre cable
Cable Length	2 m
Cable Extension	Up to total 100 m (with 0.3 mm\u00b2 or more cable)
Physical Weight (kg)	0.08
Dimensions L x W x H (cm)	4.72 x 1.92 x 3.2

Industrial Applications

1. High-Speed Part Detection in Automated Assembly

In automated assembly lines, the LS-501P-C2 amplifier, when paired with a compatible laser sensor head, enables rapid and precise detection of small components to maintain high throughput and prevent production delays. Its extremely fast response time is crucial for keeping pace with modern manufacturing speeds.

Problem Solved

Traditional sensors often fail to keep up with high-speed production, resulting in missed detections or inaccurate part placement. The LS-501P-C2's H-SP mode (60 \u00b5s response time) ensures reliable detection even for the fastest moving components, optimizing assembly efficiency.

High-speed detectionAutomated assembly60 \u00b5s response timePNP outputComponent presence sensing

2. Quality Control for Workpiece Orientation and Gasket Presence

Precision manufacturing requires verifying correct workpiece orientation and the presence of critical small components like gaskets. The LS-501P-C2 amplifier's dual outputs and advanced sensing capabilities, compatible with various laser sensor types (e.g., coaxial reflective), are ideal for detailed quality checks.

Problem Solved

Incorrect orientation or missing gaskets can lead to significant product defects and costly rework. The amplifier's dual outputs can be configured for primary detection and self-diagnosis of beam misalignment, ensuring robust and consistent detection. Network integration allows for real-time process control and data logging.

Workpiece orientationGasket detectionQuality controlDual outputSelf-diagnosisNetwork communicationCoaxial reflective sensing

3. Stable Process Monitoring in Challenging Environments

Industrial environments with varying ambient light or dust accumulation can degrade sensor performance over time. The LS-501P-C2 amplifier's threshold value tracking function and robust environmental specifications maintain stable and accurate detection in such challenging conditions.

Problem Solved

Environmental factors often cause false readings or reduced sensing range for standard sensors, necessitating frequent manual adjustments. The amplifier automatically compensates for light intensity changes, ensuring consistent operation and significantly reducing maintenance hours, supported by its wide temperature range (-10 to +55 \u00b0C) and IP40 protection.

Environmental compensationThreshold value trackingDust accumulation resistanceStable sensingLong-term reliabilityProcess monitoringIP40 protectionWide temperature range