Keyence LV-N12N Multi-Purpose Digital Laser Sensor

The LV-N12N is a high-performance expansion unit designed for fiber optic sensor controllers, providing dual NPN control outputs with multiple response speeds, selectable timer functions, and enhanced interference prevention capabilities. With its compact design, robust electrical protection, and energy-efficient Eco modes, the LV-N12N ensures optimized control for industrial automation systems.

Technical Specifications

Model: LVN12N
Type: 2-Output Expansion Unit
Output Type: NPN

Input & Output Specifications

Cable/Connector: Cable Type
Main/Expansion Unit: Expansion Unit

Control Outputs: 2 Outputs
External Input: 1 Input
Monitor Output: None

Output Selection: LIGHT-ON/DARK-ON (Switch-Selectable)

Timer Functions:

• Timer Modes: OFF, OFF-Delay, ON-Delay, One-Shot
• Timer Duration: 1 ms to 9,999 ms
• Timing Error: ±10% Max.

Control Output:

• NPN Open Collector (30 V Max.)
• Residual Voltage: 1 V or less (Output current: ≤10 mA), 2 V or less (10–100 mA)
• Output Current:
  • Stand-Alone: 1 output max: 100 mA; 2 outputs total: 100 mA
  • Multiple Connections: 1 output max: 20 mA

Response & Interference Prevention

Response Time:

• HIGH SPEED: 80 µs
• FINE: 250 µs
• TURBO: 500 µs
• SUPER: 1 ms
• ULTRA: 4 ms
• MEGA: 16 ms ¹

External Input:

• Input Time: 2 ms (ON) / 20 ms (OFF) or more ²

Number of Interference Prevention Units:

• 0 for HIGH SPEED Mode
• 2 for FINE/TURBO/SUPER Modes
• 4 for ULTRA/MEGA Modes

Unit Expansion: Up to 17 Units Can Be Connected (Two-Output Type Counts as Two Units)

Power & Electrical Specifications

Power Voltage: 24 VDC (Operating Voltage: 10 to 30 VDC, Ripple ≤10%)

Power Consumption:

• Normal Mode: 830 mW or less (30 V: 30 mA, 24 V: 56 mA or less) ³
• Eco Mode: 710 mW or less (30 V: 26 mA, 24 V: 48 mA or less) ³
• Eco Full Mode: 550 mW or less (30 V: 21 mA, 24 V: 40 mA or less) ⁴

Environmental Resistance

Ambient Temperature: -20°C to +55°C (No Freezing) ⁵
Relative Humidity: 35% to 85% RH (No Condensation)

Vibration Resistance: 10 to 55 Hz, Double Amplitude 1.5 mm, 2 Hours in Each X, Y, and Z Direction
Shock Resistance: 500 m/s², 3 Times in Each X, Y, and Z Direction

Material & Construction

Cable: PVC
Case Material: Polycarbonate
Size: H 32.6 mm × W 9.8 mm × L 78.7 mm
Weight: Approx. 65 g

Included Accessories

• Instruction Manual

Key Features & Benefits:

✅ Multi-Output Expansion: Adds 2 additional control outputs to the LV-N series controllers.

✅ Fast Response Time: Supports speeds as low as 80 µs for high-speed applications.

✅ Selectable Timer Functions: Flexible delay and one-shot modes for precise automation control.

✅ Energy-Efficient Design: Reduces power consumption with multiple Eco modes.

✅ Robust Industrial Durability: Resistant to vibrations, shocks, and electrical surges.

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