Lanbao PSS-GM-E2 - M18 Transparent Object Photoelectric Sensor The Lanbao PSS-GM-E2 M18 Transparent Object Photoelectric Sensor is an M18 cylindrical photoelectric sensor for industrial automation applications where detected target is transparent, glossy, or low contrast, such as clear bottles, PET film, glass-like parts, and packaging windows. The PSS-GM-E2 series uses transparent object detection sensing, 2 m detection distance with reflector reference, Red light, 640 nm, NPN NO/NC or PNP NO/NC switching, and a 10-30 VDC supply, giving machine builders a compact sensor format for part presence, packaging, handling, and inspection stations. This listing focuses on detachable M12 field wiring, max. 1 ms response time, max. 20 mA consumption current, max. 200 mA load current, reverse-polarity protection, short-circuit protection, overload protection, IP67 protection, and CE certification. For neighboring options in the same Lanbao PSS family, compare Lanbao PSS-GM cable series, Lanbao PSS-PM-E2 polarized sensor, and Lanbao PSS-TM-E2 through-beam sensor before choosing a sensing mode or wiring style. The sensor output can be connected to PLC digital inputs, relay interfaces, Arduino test fixtures, or ESP32 data-collection nodes when the input circuit is wired for the correct NPN or PNP output type. During commissioning, set the single-turn potentiometer, confirm the green stability indicator and yellow output indicator, and validate detection on the real target material rather than only on a bench sample. Technical Specifications Parameter Value Series Lanbao PSS-GM-E2 photoelectric sensor Sensor format M18 cylindrical photoelectric sensor Detection type transparent object detection Rated distance 2 m detection distance with reflector reference Light source Red light, 640 nm Spot or beam reference 45 x 45 mm at 100 cm Output type NPN NO/NC or PNP NO/NC Response time max. 1 ms Supply voltage 10-30 VDC Consumption current max. 20 mA Load current max. 200 mA Circuit protection Short-circuit, overload, and reverse-polarity protection Connection M12 connector Adjustment Single-turn potentiometer; white wire NO/NC mode reference Ambient light immunity Anti-sunlight interference up to 10,000 lux; incandescent interference up to 3,000 lux reference Operating temperature -25 to 55 deg C Protection and certification IP67, CE Material Nickel copper alloy housing with PMMA filter Board Layout & Label Guide Optical face - Front sensing window for transparent object detection; keep it clean, aligned, and protected from mechanical impact. M18 threaded body - Mounts through brackets or panels with M18 nuts; avoid over-tightening the housing. Power indicator - Green LED indicates power and stable operating state during setup. Output indicator - Yellow LED indicates switching output, short-circuit, or overload reference state. Sensitivity adjuster - Single-turn potentiometer used to tune distance or switching margin on the real target. M12 connector - Quick-disconnect interface for field wiring; select a matching cable and pinout for NPN or PNP output. Brown lead - Connect to +10-30 VDC supply in typical industrial wiring. Blue lead - Connect to 0 VDC common and share reference with the input module. Black lead - Main switching output to PLC, relay interface, or protected digital input. White lead - NO/NC mode reference; Lanbao documentation specifies positive or floating for NO mode and negative for NC mode. Installation note - Keep the reflector clean and align it carefully; transparent-object sensing depends on light attenuation through the target. Packing List 1 x Lanbao PSS-GM-E2 photoelectric sensor 1 x M18 mounting nut set and instruction manual reference, depending on current store bundle FAQ Q: What is this Lanbao PSS-GM-E2 sensor used for?A: It is used for industrial object detection in conveyors, packaging machines, fixtures, handling systems, and automated inspection stations. Q: What is the main difference between this model and other PSS sensors?A: The key difference is the sensing mode, rated distance, and wiring style. This model uses transparent object detection, 2 m detection distance with reflector reference, and M12 connector. Q: Can it connect to a PLC?A: Yes. Use a PLC digital input module that matches the selected NPN or PNP output and the 10-30 VDC supply system. Q: Can I test it with Arduino or ESP32?A: Yes for bench testing, but use proper level shifting, isolation, pull-up or pull-down wiring, and common ground rules before connecting industrial signals to a development board. Q: Is this sensor waterproof?A: The sensor is rated IP67, but the whole installation still depends on cable sealing, connector tightening, enclosure design, and splash direction. Q: How do I choose NO or NC mode?A: Lanbao documentation uses the white wire as the NO/NC mode reference. Follow the exact wiring diagram for the variant being installed. Q: Why does the sensor switch unreliably?A: Check supply voltage, target reflectivity, alignment, sensing distance, ambient light, cable wiring, and potentiometer setting. Q: Should I choose cable or M12 connector?A: Choose the M12 connector version when fast replacement and modular wiring are important.
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