
Autonics BUP-30 Photoelectric Sensor
Autonics BUP-30 U-Shaped Through-Beam Photoelectric Sensor (30 mm, NPN/PNP)
Compact U-shaped through-beam photoelectric sensor with 30 mm sensing distance and ≤1 ms response time.
Ideal for object presence detection, part counting, and automation machinery.
The Autonics BUP-30 is a U-shaped through-beam photoelectric sensor designed for stable and high-speed object detection within a 30 mm sensing gap. With ≤1 ms response time, selectable Light-ON/Dark-ON modes, and NPN/PNP output options, it is widely used in automation lines, conveyors, and part-counting systems.
Key Features
U-shaped through-beam sensing
30 mm fixed sensing distance
High-speed response: ≤ 1 ms
Detects opaque objects ≥ Ø 4 mm
Light-ON / Dark-ON selectable via control wire
NPN & PNP open-collector output models available
Built-in power (green) & operation (red) indicators
Excellent noise immunity
Rugged ABS + PC housing
Reliable performance in industrial environments
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | BUP-30 |
| Series | BUP |
| Sensor Type | Photoelectric – Through-Beam |
| Sensing Distance | 30 mm |
| Min. Sensing Target | ≥ Ø 4 mm (opaque) |
| Response Time | ≤ 1 ms |
| Light Source | Infrared LED |
| Peak Wavelength | 940 nm |
| Supply Voltage | 12–24 V DC ±10% |
| Output Type | NPN/PNP open collector |
| Load Current | ≤ 200 mA |
| Protection Circuit | OCP, SCP, reverse polarity |
| Protection Rating | IP66 (fixed sensitivity model) |
| Operating Temperature | −25 to +65 °C |
Applications
Object presence detection
Part counting systems
Conveyor automation
Packaging machinery
Assembly & sorting machines
OEM industrial automation
What’s in the Box?
Autonics BUP-30 Photoelectric Sensor
Adjustment screwdriver (if sensitivity-adjustable model)
Instruction manual
FAQ
Q1. What does “30” indicate in BUP-30?
It indicates a 30 mm sensing distance (gap).
Q2. Is this sensor through-beam or reflective?
It is a through-beam U-shaped photoelectric sensor.
Q3. Does it support Light-ON and Dark-ON modes?
Yes, selectable via control wire.
Q4. What output options are available?
NPN and PNP open-collector output models.
Q5. Is it suitable for fast-moving objects?
Yes, with a ≤1 ms response time, it is ideal for high-speed detection.



