Panasonic LS-501-C2 Digital Laser Sensor Amplifier

USD 221.28

Amplifier-separated digital laser sensor with 60µs response, NPN dual outputs, and threshold tracking for stable, high-speed detection in industrial automation.

SKU Pananonic-LS-501-C2 Category
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Panasonic LS-501-C2 Digital Laser Sensor Amplifier

Model Identifier LS-501-C2
Official Part Number LS-501-C2
GTIN Standard NA

Technical Overview

Amplifier-separated digital laser sensor with 60µs response, NPN dual outputs, and threshold tracking for stable, high-speed detection in industrial automation.

Key Features

  • NPN open-collector transistor dual outputs.
  • 2-meter 6-core shielded cable for reliable connection.
  • Selectable response times from 60 µs (H-SP) to 24 ms (HYPR).
  • Integrated self-diagnosis output for beam axis misalignment and light intensity deterioration.
  • Threshold value tracking function for stable long-term sensing.
  • Built-in AND, OR, XOR logic operations, eliminating external controllers.
  • Data bank stores up to eight amplifier settings.
  • Connectable to various open networks (CC-Link, DeviceNet, EtherCAT) via optional communication units.
  • 8-digit 7-segment digital display for incident light indication.
  • Comprehensive timer functions (OFF-delay, ON-delay, One-shot).
  • IP40 protection rating for environmental robustness.
  • Compact design with dimensions of W10 x H32 x D47.2 mm.
  • Low power consumption, 1,200 mW or less (Normal operation).

Ultra-fast 60 µs response time combined with advanced threshold value tracking ensures stable, high-precision detection and minimizes maintenance for demanding industrial applications.

Technical Specification Matrix

ParameterValue
Supply Voltage12 to 24 V DC ±10% Ripple P-P 10% or less
Power Consumption (Normal Operation)1,200 mW or less (Current consumption 50 mA or less at 24 V supply voltage)
Power Consumption (ECO Mode)980 mW or less (Current consumption 40 mA or less at 24 V supply voltage)
Output TypeNPN open-collector transistor two outputs
Maximum Sink Current50 mA
Applied Voltage (Output)30 V DC or less (between output and 0 V)
Residual Voltage (Output)2 V or less (at max. sink current)
Output OperationSelectable Light-ON or Dark-ON
Short-Circuit ProtectionIncorporated
Sensing Output SettingsNormal mode, differential mode, hysteresis mode, window comparator mode, self-diagnostic output mode, answer-back output mode, selectable
Response Time (H-SP)60 µs or less
Response Time (FAST)150 µs or less
Response Time (STD)250 µs or less
Response Time (LONG)500 µs or less
Response Time (U-LG)5 ms or less
Response Time (HYPR)24 ms or less
Monitor Current OutputApprox. 4 to 20 mA (H-SP, FAST, STD: at 0 to 4,000 indication)
Monitor Current Output Response Time2 ms or less
Monitor Current Output Zero Point4 mA ± 1% F.S.
Monitor Current Output Span16 mA ± 5% F.S.
Monitor Current Output Linearity± 3% F.S.
Monitor Current Output Load Resistance0 to 250 Ω
External Input (NPN) Signal Condition High+8 V to +V DC or open
External Input (NPN) Signal Condition Low0 to +2 V DC (source current 0.5 mA or less)
External Input Impedance10 kΩ approx.
External Input FunctionsLaser emission halt / teaching (full-auto teaching, limit teaching, 2 point teaching) / logic operation setting / copy lock / display adjustment / data bank load / data bank save
Sensing Output Operation IndicatorOrange LED (lights up when sensing output 1 or sensing output 2 is ON)
Laser Emission IndicatorGreen LED (lights up during laser emission)
Output Select IndicatorYellow LED (lights up when output is selected)
Digital Display8-digit 7-segment digital display (4-digit green LED + 4-digit red LED), MODE indicator (Yellow LED): L/D, CUST, PRO
Incident Light Indication Range (H-SP/FAST/STD)0 to 4,000
Incident Light Indication Range (LONG/U-LG/HYPR)0 to 9,999
Sensitivity Setting2-point teaching / limit teaching / full auto teaching / manual adjustment
Logical OperationDisabled / AND / OR / XOR, selectable
Timer FunctionsOFF-delay timer, ON-delay timer, One-shot timer, ON/OFF-delay timer, ON-delay / One-shot timer, switchable either effective/ineffective, with variable timer period
Timer Period (ms range)0.5 ms approx. to 9,999 ms approx. (in approx. 1 ms intervals)
Timer Period (sec range)0.5 sec. approx. to 32 sec. approx. (in approx. 1 sec. intervals)
Timer Period (1/10 ms range)0.05 ms approx. to 999.9 ms approx. (in approx. 0.1 ms intervals)
Interference Prevention FunctionIncorporated
ProtectionIP40 (IEC)
Ambient Temperature-10 to +55°C (no dew condensation or icing allowed)
Storage Temperature-20 to +70°C
Ambient Humidity35 to 85% RH
Storage Humidity35 to 85% RH
Voltage Withstandability1,000 V AC for one min.
Insulation Resistance20 MΩ or more, with 250 V DC megger
Vibration Resistance10 to 150 Hz frequency, 1.5 mm double amplitude or maximum acceleration 98 m/s² in X, Y and Z directions for two hours each
Shock Resistance98 m/s² acceleration (10 G approx.) in X, Y and Z directions five times each
Material (Enclosure)Polycarbonate
Material (Cover)Polycarbonate
Material (Switch)Polyacetal
Cable Type0.2 mm² 6-core cabtyre cable
Cable Length2 m
Cable ExtensionUp to total 100 m possible with 0.3 mm² or more, cable
Dimensions (W)10 mm
Dimensions (H)32 mm
Dimensions (D)47.2 mm
Physical Weight (kg)0.08
Dimensions L x W x H (cm)4.72 x 1 x 3.2

Industrial Applications

1. High-Speed Component Presence Detection

In automated assembly lines, minute components must be accurately placed and verified. This application leverages the LS-501-C2's rapid 60 µs response time and dual output capabilities to detect the presence or absence of small parts on a conveyor, even during high-throughput operations. The self-diagnosis output immediately alerts operators to any beam axis misalignment or light intensity issues, ensuring continuous, reliable operation.

Problem Solved

Prevents production defects and downtime caused by missing components or sensor malfunctions in fast-paced manufacturing, ensuring consistent product quality and line efficiency.

Automated assemblyhigh-speed detectionquality controlcomponent verificationself-diagnosisNPN output60µs response

2. Stable Object Detection in Dusty Environments

Many industrial environments, such as woodworking or dusty processing plants, can accumulate particulate matter on sensors, degrading performance over time. The LS-501-C2's threshold value tracking function automatically adjusts sensing thresholds to compensate for gradual light intensity changes due to dust, maintaining stable detection without manual recalibration. The IP40 rating provides adequate protection against solid objects, and the amplifier's logic functions can be configured for complex detection scenarios.

Problem Solved

Overcomes reliability issues in environmentally challenging settings by maintaining consistent detection accuracy, reducing the need for frequent maintenance and preventing false negatives due to sensor contamination.

Environmental compensationthreshold trackingstable detectiondust accumulationlong-term reliabilityIP40logic operations

3. Rapid Sensor Reconfiguration for Flexible Production

Manufacturing facilities often run multiple product models on the same line, requiring frequent sensor parameter adjustments. The LS-501-C2's data bank feature allows storing up to eight sets of amplifier settings. This enables rapid switching between pre-configured sensor parameters for different product recipes, significantly reducing setup time and minimizing errors during product changeovers. Connectivity to open networks via communication units further facilitates centralized parameter management.

Problem Solved

Streamlines product changeovers and enhances line flexibility in multi-model production environments by allowing quick, error-free loading of specific sensor configurations, boosting overall operational efficiency.

Flexible manufacturingrapid changeoverdata banksensor parameter managementmulti-model productionnetwork connectivity
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