The Panasonic PM-L65-P Photoelectric Sensor is a compact, high-precision photoelectric sensor designed for reliable detection of small objects. It features a fixed sensing range of 6 mm (0.236 in) and can detect opaque objects as small as 0.8 × 1.2 mm (0.031 × 0.047 in). With hysteresis of 0.05 mm or less and repeatability of 0.01 mm or less, it ensures accurate performance in tight-tolerance applications.
Operating on a 5 to 24 V DC supply, the sensor has low current consumption (15 mA or less). It includes a PNP open-collector output with Light-ON/Dark-ON selectable modes and short-circuit protection. The fast response time of 20 µs (light received) and 80 µs (light interrupted) enables high-speed detection, with a maximum response frequency of 3 kHz.
An orange LED indicates light reception. Built for industrial settings, it offers IP40 protection, endures vibration up to 2,000 Hz, and resists shock up to 15,000 m/s².
The sensor houses a non-modulated infrared LED (855 nm) in a durable PBT enclosure, ensuring long-term stability and resistance to wear. Users can extend the cable up to 100 m, as long as they maintain a voltage of 4.5 V or higher beyond 20 m to ensure proper sensor operation.
Our engineers actively inputted all the required details of this item in accordance with the datasheet. Nevertheless, it’s imperative to recognize that errors may arise during this process. Despite our sincere efforts, it’s important to remain cautious. Nonetheless, inaccuracies can still occur. All trademarks and trade names used on this site are the property of their respective owners. They are used solely for identification purposes and do not imply any endorsement or affiliation with our company.
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PNP open-collector transistor
・Maximum source current: 50 mA
・Applied voltage: 30 V DC or less (between output and + V)
・Residual voltage: 2 V or less (at 50 mA source current), 1 V or less (at 16 mA source current)
Output: Output Operation
Incorporated with 2 outputs: Light-ON / Dark-ON
Output: Short-Circuit Protection
Incorporated
Response Time
Under light received condition: 20 μs or less
Under light interrupted condition: 80 μs or less
(Maximum response frequency: 3 kHz)(Note)
(Note) The response frequency is the value when the disc, given in the figure below, is rotated.
Operation Indicator
Orange LED (lights up under light received condition)
Pollution Degree
3
Protection
IP40 (IEC)
Ambient Temperature
-25 to +55 ℃ -13 to +131 ℉ (No dew condensation or icing allowed), Storage: -30 to +80 ℃ -22 to +176 ℉
Ambient Humidity
5 to 85 % RH, Storage: 5 to 95 % RH
Ambient Illuminance
Fluorescent light: 1,000 â„“x at the light-receiving face
Voltage Withstandability
1,000 V AC for one min. between all supply terminals connected together and enclosure
10 to 2,000 Hz frequency, 1.5 mm 0.059 in double amplitude (maximum acceleration 196 m/s2) in X, Y and Z directions for two hours each
Shock Resistance
15,000 m/s2 acceleration (1,500 G approx.) in X, Y and Z directions three times each
Emitting Element
Infrared LED (Peak emission wavelength: 855 nm 0.034 mil, non-modulated)
Material
Enclosure: PBT
Display section: Polycarbonate
Cable Length
Extension up to total 100 m 328.084 ft is possible with 0.3 mm2, or more, cable.
(Note) If the cable is extended to 20 m 65.617 ft or longer, confirm that the supply voltage at the end of the cable attached to the sensor is 4.5 V or higher.
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