Autonics BX3M-PDT Diffuse Photoelectric Sensor (3 m, PNP, Universal AC/DC)
Industrial diffuse-reflective photoelectric sensor with up to 3 m sensing distance, PNP open-collector output, and universal AC/DC power supply.
Ideal for object detection without reflectors, conveyors, and harsh industrial environments.
The Autonics BX3M-PDT is a diffuse-reflective photoelectric sensor designed for reliable object detection up to 3 meters without using a reflector. It features PNP open-collector output, universal 24–240 V AC/DC power input, and robust BX-series construction, making it suitable for conveyors, packaging machines, and heavy-duty industrial automation systems.
Diffuse-reflective sensing method
Maximum sensing distance: up to 3 m
PNP open-collector output
Universal power supply: 24–240 V AC/DC
Light-ON / Dark-ON selectable
Built-in sensitivity adjustment
Fast response suitable for moving objects
High resistance to ambient light interference
IP65 protection rating
Rugged industrial housing for long service life
| Parameter | Specification |
|---|---|
| Model | BX3M-PDT |
| Series | BX |
| Sensor Type | Photoelectric – Diffuse |
| Sensing Distance | Up to 3 m |
| Light Source | Infrared LED |
| Peak Wavelength | ~850 nm |
| Output Type | PNP open collector |
| Output Mode | Light-ON / Dark-ON |
| Supply Voltage | 24–240 V AC / 24–240 V DC |
| Load Current | ≤ 200 mA |
| Response Time | ≤ 1 ms |
| Protection Rating | IP65 |
| Operating Temperature | −20 to +55 °C |
Conveyor object detection
Packaging & bottling lines
Material handling systems
Assembly & inspection machines
OEM industrial automation
Warehousing & logistics equipment
Autonics BX3M-PDT Photoelectric Sensor
Mounting bracket & hardware
Adjustment screwdriver
Instruction manual
Q1. What type of sensing does BX3M-PDT use?
It uses diffuse-reflective sensing, so no reflector is required.
Q2. What is the maximum sensing distance?
Up to 3 meters, depending on target reflectivity.
Q3. What output does this model provide?
PNP open-collector output.
Q4. Can it run on both AC and DC supplies?
Yes, it supports 24–240 V AC/DC universal power.
Q5. Is it suitable for industrial environments?
Yes, IP65 protection and rugged housing ensure reliable industrial use.
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