The SICK WL140-2P430 is a compact photoelectric retro-reflective sensor designed for precise object detection in industrial automation applications. It belongs to SICK's W140 series, known for its high performance and reliability.
Technical Specifications:
Parameter Details
Type Type 4 Safety Receiver (IEC 61496-1/2)
Protective Height 430 mm
Resolution 14 mm (finger/hand detection)
Number of Beams 31
Operating Range 0.5 m to 7 m (extends to 14 m with reflector mode)
Response Time ≤ 20 ms (range-dependent)
Light Source Detection Infrared (950 nm)
Electrical Characteristics:
Operating Voltage: 24 V DC ±20%
Current Consumption: ≤ 600 mA
Outputs: 2 OSSD (Output Signal Switching Devices), PNP, 100 mA each
Control Inputs: 2 (e.g., muting, reset, external device monitoring)
Communication Interface: RS-232/422 (configurable via SOPAS software)
Protection: Short-circuit and reverse polarity protection
Mechanical & Environmental Properties:
Housing Material: Aluminum profile with polycarbonate windows
Protection Rating: IP65 (dust-tight and protected against water jets)
Dimensions: 540 mm × 50 mm × 45 mm (H×W×D)
Weight: ≈ 1.2 kg
Operating Temperature: -10 °C to +50 °C
Storage Temperature: -25 °C to +70 °C
Safety Ratings:
Safety Integrity Level (SIL): SIL 3 (IEC 61508)
Performance Level (PL): PL e (ISO 13849-1)
Mean Time to Dangerous Failure (MTTFd): > 100 years
Diagnostic Coverage (DC): > 99%
Key Features:
High Resolution: 14 mm beam spacing for precise finger and hand detection.
Extended Range: Supports up to 14 m operation with reflector mode.