
Autonics BUP-30S-P Photoelectric Sensors
Autonics BUP-30S-P U-Shaped Through-Beam Photoelectric Sensor (30 mm, PNP, Adjustable Sensitivity)
Compact U-shaped through-beam photoelectric sensor with 30 mm sensing gap, PNP output, and adjustable sensitivity.
Ideal for part counting, irregular object detection, and flexible industrial automation.
The Autonics BUP-30S-P is a U-shaped through-beam photoelectric sensor designed for applications requiring adjustable sensitivity and reliable high-speed detection. With a 30 mm fixed sensing gap, PNP open-collector output, and sensitivity adjustment, it is ideal for conveyors, part-counting systems, packaging machines, and OEM automation equipment where object size or surface conditions vary.
Key Features
- U-shaped through-beam sensing
- 30 mm fixed sensing distance
- Sensitivity-adjustable (S-type)
- PNP open-collector output
- High-speed response ≤ 1 ms
- Detects opaque objects ≥ Ø 4 mm (adjustable)
- Light-ON / Dark-ON selectable
- Built-in power & operation indicators
- High immunity to electrical noise
- Rugged industrial housing
- Stable performance for continuous automation
Technical Specifications
Parameter Specification Model BUP-30S-P Series BUP Sensor Type Photoelectric – Through-Beam Sensing Distance 30 mm Sensitivity Adjustable Min. Detectable Object ≥ Ø 4 mm (opaque, adjustable) Response Time ≤ 1 ms Light Source Infrared LED Peak Wavelength 940 nm Output Type PNP open collector Supply Voltage 12–24 V DC ±10% Load Current ≤ 200 mA Protection Rating IP66 Operating Temperature −25 to +65 °C
| Parameter | Specification |
|---|---|
| Model | BUP-30S-P |
| Series | BUP |
| Sensor Type | Photoelectric – Through-Beam |
| Sensing Distance | 30 mm |
| Sensitivity | Adjustable |
| Min. Detectable Object | ≥ Ø 4 mm (opaque, adjustable) |
| Response Time | ≤ 1 ms |
| Light Source | Infrared LED |
| Peak Wavelength | 940 nm |
| Output Type | PNP open collector |
| Supply Voltage | 12–24 V DC ±10% |
| Load Current | ≤ 200 mA |
| Protection Rating | IP66 |
| Operating Temperature | −25 to +65 °C |
Applications
- Part counting with varying object sizes
- Conveyor automation
- Sorting & inspection machines
- Packaging machinery
- Assembly lines
- OEM industrial equipment
What’s in the Box?
Autonics BUP-30S-P Photoelectric Sensor
Sensitivity adjustment screwdriver
Instruction manual
Autonics BUP-30S-P Photoelectric Sensor
Sensitivity adjustment screwdriver
Instruction manual
FAQ
Q1. What does “S” indicate in BUP-30S-P?
“S” indicates a sensitivity-adjustable model.
Q2. What does “P” indicate?
“P” denotes PNP open-collector output.
Q3. What is the sensing gap of this sensor?
It has a fixed 30 mm U-shaped sensing gap.
Q4. Is this suitable for irregular or uneven objects?
Yes, adjustable sensitivity helps detect objects with varying shapes or surfaces.
Q5. Is it suitable for industrial environments?
Yes, IP66 protection ensures reliable operation in harsh conditions.



