Keyence LR-TB2000CL LR-T Series Self-contained TOF Laser Sensor 2m M12 Connector Class 1

Keyence LR-TB2000CL is a self-contained TOF (Time of Flight) laser distance sensor for non‑contact detection up to 2 m. 60 mm to 2000 mm adjustable detection range. Red laser (660 nm) Class 1 product – eye‑safe during normal operation. M12 4‑pin connector for quick installation. NPN/PNP output selectable. Five selectable response times from 2 ms to 2000 ms. IP65/IP67 zinc die‑cast housing, –20 °C to +55 °C operating range. For material handling, conveyor presence detection, part positioning and distance‑based sensing in industrial automation.

Applications:

• Conveyor object presence and position detection up to 2 m

• Part presence verification and positioning in automated assembly lines

• Material handling and warehouse automation equipment

• Packaging machinery for fill‑level monitoring and product detection

• General industrial automation requiring TOF distance‑based sensing

Core Specifications:

• Model: LR‑TB2000CL

• Detection distance: 60 to 2000 mm (adjustable)

• Spot diameter: approx. ø4 mm

• Light source: Red laser (660 nm)

• Laser class: Class 1 laser product (IEC60825‑1, FDA (CDRH) Part1040.10)

• Response time: 2 ms / 20 ms / 50 ms / 200 ms / 2000 ms selectable

• Output: NPN open collector / PNP open collector selectable, 30 V DC or less, 50 mA or less, residual voltage 2 V or less, N.O./N.C. selectable

• External input: Transmission OFF / teaching / reference surface update (when using DATUM mode)

• Supply voltage: 20 to 30 V DC, including 10 % ripple (P‑P), Class 2 or LPS

• Current consumption: 45 mA or less (without load)

• Protection circuits: Reverse power connection, power supply surges, output overcurrent, reverse output connection, output surge

Advanced Specifications:

• Mutual interference prevention: up to 4 units

• Timer functions: OFF / OFF‑delay / ON‑delay / One‑shot

• Enclosure rating: IP65 / IP67 (IEC60529)

• Ambient light resistance: incandescent lamp / sunlight ≤ 100,000 lux

• Ambient temperature: –20 °C … +55 °C (no freezing)

• Relative humidity: 35 to 85 % RH (no condensation)

• Vibration resistance: 10 to 55 Hz, double amplitude 1.5 mm, 2 hours in X,Y,Z directions

• Shock resistance: 1,000 m/s², 6 times in X,Y,Z directions

• Housing material: Zinc die cast (nickel‑chrome plating)

• Indicator cover and buttons: PES

• Lens cover and display: PMMA with scratch‑resistant coating

• Cable: PVC, M12 connector: TPE, PBT, nickel‑plated brass

• Weight: approx. 85 g

• Accessories included: Instruction manual

Communication & Configuration:

• IO‑Link: specification V1.1 / COM2 (38.4 kbps) supported. Setup file can be downloaded from the KEYENCE website.

System Integration:

• This sensor belongs to the Keyence LR‑T series of self‑contained TOF laser sensors.

• M12 4‑pin male connector mates with standard industrial M12 female cables.

• Output type selectable between NPN or PNP in the same unit.

• I/O configuration options: control output × 2 / control output + external input.

• IO‑Link V1.1/COM2 (38.4 kbps) support enables parameter setting and diagnostics.

• For detailed wiring, I/O selection, and parameter setting, refer to the product instruction manual.

• Setup file (IODD) for IO‑Link configuration is available for download from the KEYENCE website.

Standards & Compliance:
Refer to manufacturer official documentation for detailed certification and compliance information.

Related Products:

• LR‑TB2000C – M12 connector type, Class 2 laser version, 2 ms/20 ms/50 ms/200 ms/2000 ms response time

• LR‑TB5000CL – M12 connector type, detection distance 60 mm to 5000 mm, Class 1 laser

• OP‑87268 – M8 straight cable (2 m, IP68, 4‑pin)

• OP‑87269 – M8 straight cable (5 m, IP68, 4‑pin)

• FS‑N series – Fiber amplifiers for use with FU series fiber units