SENPUM – Photoelectric Sensors PL-F Series

Ultra Compact Type

Brand : SENPUM

The SENPUM PL-F Series is part of the Ultra Compact Amplifier Built-in Photoelectric Sensor lineup designed for background suppression and thrubeam detection tasks in industrial automation environments. These sensors combine a miniature sensing head with a built-in amplifier, enabling reliable detection performance in tight spaces while eliminating the need for a separate amplifier unit. The PL-F Series is ideal for applications such as object presence detection, positioning, and part counting where compact size and simplicity are critical.

Models in the PL-F Series include flat thrubeam types and background suppression reflective flat types, each available with NPN or PNP output configurations to suit different control system requirements. With IP67 protection and solid mechanical design, the PL-F Series sensors offer durability, stable performance under vibration and shock conditions, and enhanced immunity to environmental interference.

For more info, download our full technical spec.

Specifications

Type Flatness
BGS reflective
Thru-beam
PL-FB15N PL-FB30N
Model NPN
PL-FB15N
PL-FB30N PL-F51N
PNP
PL-FB15P
PL-FB30P PL-F51P
Detection distance 1~15mm ~30mm 600mm
Maximum detection distance closed (white paper*1) 20mm 47mm
Response time 0.5ms
Sensitivity adjustment None
Spot diameter Approx. Ø3mm (at 15mm) Approx. Ø5mm (at 30mm)
Light source 4-element point source red LED (650nm)
Indicator lamp Output indicator (orange), stable operation indicator (green)
Power voltage 10~30VDC with ripple current (P-P) 10%
Current consumption 19mA 16mA
Control output NPN output type: NPN open collector, PNP output type: PNP open collector
Residual voltage: below 1.0V at less than 10mA, below 1.5V at less than 10~30mA
Protection circuit Power reverse connection protection, output overcurrent protection, power surge protection, output surge protection
Protection class IP67 IEC60529, IP69K (DIN40050-9), 4X, 6P, 13 (NEMA250)
Ambient light Incandescent: under 5000lux; daylight: under 20000lux
Ambient temperature Operating: -25°C ~ +55°C (no freezing), Storage: -25°C ~ +75°C (no freezing)
Relative humidity 35% ~ 85% RH (no condensation)
Shock resistance 1000m/s², 6 times each in X, Y and Z directions
Vibration resistance 10 ~ 55Hz, double amplitude 1.5mm, 2 hours each in X/Y/Z direction
Insulation resistance Over 20MΩ (500VDC)
Withstand voltage 1000VAC 50/60Hz 1min
Material Case: SUS316L, indicator lamp cover: PC, lens cover: PMMA, cable and protection cover: PVC
Cable length 3m
Weight Approx. 40g

*1 White matte paper

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