
Autonics BUP-30S Photoelectric Sensor
Autonics BUP-30S U-Shaped Through-Beam Photoelectric Sensor (30 mm, Sensitivity Adjustable)
Compact U-shaped through-beam photoelectric sensor with 30 mm sensing gap and adjustable sensitivity.
Ideal for part counting, irregular object detection, and flexible automation applications.
The Autonics BUP-30S is a U-shaped through-beam photoelectric sensor designed for applications requiring adjustable sensitivity and stable high-speed detection. With a 30 mm fixed sensing gap, sensitivity adjustment dial, and robust industrial housing, it is well suited for part counting, conveyor automation, and detection of uneven or semi-transparent objects.
Key Features
U-shaped through-beam sensing
30 mm fixed sensing distance
Sensitivity adjustment (S-type model)
High-speed response ≤ 1 ms
Detects opaque objects ≥ Ø 4 mm (adjustable range)
Light-ON / Dark-ON selectable
Built-in power & operation indicators
High immunity to electrical noise
Rugged industrial housing
Ideal for flexible and variable detection conditions
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | BUP-30S |
| 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 |
| Supply Voltage | 12–24 V DC ±10% |
| Output Type | NPN / PNP (model dependent) |
| Load Current | ≤ 200 mA |
| Protection Rating | IP66 |
| Operating Temperature | −25 to +65 °C |
Applications
Part counting with varying object sizes
Conveyor object detection
Sorting & inspection machines
Packaging machinery
Assembly automation
OEM industrial equipment
What’s in the Box?
Autonics BUP-30S Photoelectric Sensor
Sensitivity adjustment screwdriver
Instruction manual
FAQ
Q1. What does “S” indicate in BUP-30S?
“S” indicates a sensitivity-adjustable model.
Q2. What is the sensing gap of this sensor?
It has a fixed 30 mm U-shaped sensing gap.
Q3. Is this sensor suitable for uneven objects?
Yes, adjustable sensitivity allows reliable detection of irregular objects.
Q4. Does it support Light-ON and Dark-ON modes?
Yes, selectable via control wire.
Q5. Is it suitable for industrial environments?
Yes, with IP66 protection, it is suitable for harsh conditions.



