SICK GRL18S-P2436 Retro-Reflective Photoelectric Sensor, PNP Output, 10~30 VDC, 4-Pin M12 Connector, 0.06~6 m
SICK GRL18S-P2436 Retro-Reflective Photoelectric Sensor, PNP Output, 10~30 VDC, 4-Pin M12 Connector, 0.06~6 m - Image 2
SKU: SENS-1744
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SICK GRL18S-P2436 Retro-Reflective Photoelectric Sensor, PNP Output, 10~30 VDC, 4-Pin M12 Connector, 0.06~6 m

₹4,119.00 (Inclusive of all taxes)
Out of Stock

The SICK GRL18S-P2436 is a retro-reflective photoelectric sensor from the GR18 series, featuring a PNP switching output and a 4-pin M12 connector for seamless integration into industrial PLCs and automation systems with a 10-30 VDC supply.

Features

  • Retro-reflective sensing principle with a 650 nm red light source for reliable object detection.
  • PNP output (NO/NC programmable) compatible with standard PLC and controller inputs.
  • Extended detection range from 0.06 m to 6 m (7.2 m max), suitable for medium to long-range applications.
  • Robust cylindrical housing designed for industrial environments with an operating temperature of -25 to +75°C.
  • Standard 4-pin M12 connector simplifies wiring and installation.

Out of stock

Description

The SICK GRL18S-P2436 photoelectric sensor operates on the retro-reflective principle, emitting a beam of 650 nm red light towards a dedicated reflector. The sensor detects an object when it interrupts this reflected beam, providing a reliable switching signal. Its integrated electronics condition the signal for stable, bounce-free output.

Engineered for demanding industrial settings, this sensor features a durable cylindrical housing capable of withstanding wide ambient temperature fluctuations from -25°C to +75°C. The 10-30 VDC operating voltage range ensures compatibility with common 24 VDC industrial power supplies, while the PNP output can be configured as normally open or normally closed to interface directly with programmable logic controllers (PLCs), relays, and other control systems.

Key Features

  • High-Performance Retro-Reflective Design: Utilizes a precise 650 nm LED and a dedicated reflector for consistent long-range detection up to 6 m (0.06 m minimum).
  • Industrial-Grade Electrical Interface: Features a sourcing (PNP) transistor output, configurable for NO/NC operation, compatible with 10-30 VDC systems.
  • Robust Environmental Durability: Operates reliably across a wide temperature range from -25°C to +75°C, suited for harsh factory floors and outdoor enclosures.
  • Standardized Connectivity: Equipped with a 4-pin M12 quick-disconnect connector for fast, secure, and moisture-resistant cabling.
  • Optimized Beam Characteristics: The focused red light beam provides excellent resistance to ambient light interference and precise detection boundaries.
  • Compact & Durable Housing: The cylindrical metal housing offers high mechanical strength and resistance to vibration in continuous operation.

Applications

  • Conveyor belt object presence verification and counting in packaging and material handling systems.
  • Pallet and large container detection in automated storage and retrieval systems (AS/RS) and warehouse logistics.
  • Machine guarding and safety curtain monitoring for perimeter intrusion detection on industrial equipment.
  • Position verification of automated guided vehicles (AGVs) and mobile robots at docking or charging stations.
  • Door and gate status monitoring (open/closed) in access control and industrial automation.

Technical Specifications

Manufacturer Part NumberGRL18S-P2436 (1069072)
SeriesGR18 Series
Sensing PrincipleRetro-Reflective Photoelectric
Light Source650 nm Red LED
Detection Range0.06 m to 6 m (7.2 m maximum)
Output TypePNP (sourcing), NO/NC programmable
Supply Voltage10 to 30 VDC
Connection Type4-Pin M12 Connector
Operating Temperature-25°C to +75°C
Housing ShapeCylindrical

Frequently Asked Questions

What is the wiring configuration for the 4-pin M12 connector on the GRL18S-P2436?

The standard pinout for this 4-pin M12 connector is typically: Pin 1 - Supply Voltage (+V), Pin 2 - Output Signal, Pin 3 - 0V/GND, and Pin 4 - Teach-in/Configuration input. Always refer to the official SICK datasheet for the definitive wiring diagram and to confirm the function of Pin 4 for your specific model variant.

Can this PNP output sensor directly drive a relay or PLC input?

Yes. The PNP (sourcing) output acts as a switch between the sensor's output pin and the positive supply voltage. It can directly interface with PLC digital inputs configured for PNP (sourcing) signals. For driving a relay coil, ensure the relay's coil voltage matches your supply (10-30VDC) and that you include a flyback diode for protection.

What is the difference between the sensing range (0.06-6m) and the maximum detection distance (7.2m)?

The specified range of 0.06 to 6 meters is the guaranteed, stable operating window where reliable switching and stable signal timing are maintained. The maximum detection distance of 7.2 meters represents an absolute limit under ideal conditions (perfect reflector alignment, clean environment), but performance near this limit may be less consistent regarding hysteresis and response time.

How do I adjust or teach the sensing distance for this retro-reflective sensor?

Many SICK GR18 series sensors feature a teach-in function, often activated via a dedicated input wire (Pin 4 on the M12 connector) or a button on the housing. To set the sensing threshold, place the target object at the desired detection point and activate the teach mode. The sensor will learn and lock that light intensity level as its switch point. Consult the product manual for the exact procedure for the P2436 variant.

Package Includes

  • 1 x SICK GRL18S-P2436 (1069072) Retro-Reflective Photoelectric Sensor

Additional Information

Weight 0.05 kg
Dimensions 12 × 9 × 4 cm

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