Keyence LR-ZB100CN Self-Contained CMOS Laser Sensor

The Keyence LR-ZB100CN is a compact CMOS laser sensor designed for accurate object detection and positioning within challenging industrial environments. Featuring a Class 1 red laser, 0.2 mm resolution, and IP69K stainless steel housing, it offers durability, precision, and reliability across a wide range of applications in food, pharma, and manufacturing sectors. With selectable Light-ON/Dark-ON logic, robust environmental resistance, and NPN output, the LR-ZB100CN is ideal for rugged automation setups.

Technical Specifications

Manufacturer: Keyence
Series: LR-Z Series
Model: LRZB100CN
Type: Distance-Based Laser Sensor
Output Type: NPN
Connector: M8, 4-pin
Shape: Rectangular

Detection & Measurement

Detectable Distance: 35 to 100 mm
Standard Deviation:
• 35–50 mm: ±1.5 mm
• 50–100 mm: ±3 mm

Spot Size: Approx. 2 × 1 mm (at 100 mm)
Display Resolution: 0.2 mm

Response Time & Light Source

Response Time Options:
• 1.5 ms
• 10 ms
• 50 ms

Laser Type: Red laser (660 nm)
Laser Class: Class 1 (IEC60825-1 / FDA CDRH 1040.10)

Display & Indicators

• 3-Digit Display: Red 7-segment
• Output Indicator: Yellow
• DATUM Indicator: Orange
• Spot Indicator: Green

Timer & Logic Functions

• OFF
• ON Delay
• OFF Delay
• One-Shot

Output Logic: Light-ON / Dark-ON (Selectable)

Electrical Specifications

Power Supply: 10–30 VDC (±10% ripple, Class 2 or LPS)
Power Consumption: Max 450 mW
• 18 mA at 24 VDC
• 34 mA at 12 VDC

Control Output:
• NPN Open Collector
• Max Voltage: 30 VDC
• Max Current: 100 mA
• Residual Voltage:
• 1.2 V or less (≤10 mA)
• 2.0 V or less (10–100 mA)

External Input:
• Input Time: ≥35 ms (ON/OFF)
• Laser Emission Stop: ≥2 ms (ON), ≥20 ms (OFF)
• Short-Circuit Current:
• NPN: ≤1 mA
• PNP: ≤2 mA

Protection & Environmental Resistance

Protection Circuits:
• Reverse polarity
• Surge suppression
• Overcurrent protection
• Output reversal protection

IP Rating:
• IP68 (IEC 60529)
• IP69K (DIN 40050-9 / NEMA 4X, 6P, 13)
• Approved for ECOLAB & Diversey cleaning agents

Ambient Light Resistance:
• Incandescent: 4,000 lx
• Sunlight: 8,000 lx

Insulation Resistance: ≥20 MΩ (at 500 VDC)
Withstand Voltage: 1,000 VAC, 1 min
Operating Temp: -10°C to +50°C (No freezing)
Storage Temp: -25°C to +75°C
Humidity: 35–85% RH (No condensation)

Vibration Resistance: 10–55 Hz, 1.5 mm amplitude, 2 hrs/axis
Shock Resistance: 1,000 m/s² (6 times per axis)

Material & Construction

• Case: SUS316L Stainless Steel
• Display: PES
• Lens Cover: PMMA (Scratch-resistant)
• Packing/Connector Ring: FKM
• Weight: Approx. 55 g

Included Accessories

• Instruction Manual
• FDA Compliance Label

Key Features & Benefits

✅ 0.2 mm Resolution. Provides precise object detection across short ranges.

✅ Hygienic Steel Housing. SUS316L body resists corrosion and washdown chemicals.

✅ Class 1 Laser. Safe and stable detection using red 660 nm beam.

✅ Flexible Output Modes. Light-ON/Dark-ON logic for integration flexibility.

✅ Built to Survive. IP69K rating + shock/vibration resistance for demanding automation environments.

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