Cylindrical Photoelectric Sensor

The cylindrical design (Ø18mm) Cylindrical Photoelectric Sensor allows for long-range detection up to 3 meters and delivers an ultra-fast response time of less than 1ms. Leveraging advanced digital signal processing technology, it offers enhanced anti-interference capabilities. The GPS series features four distinct detection modes, providing users with greater flexibility for a wide range of applications. Built with premium materials and cutting-edge manufacturing techniques and supported by a team of expert photoelectric engineers, this product ensures simplified maintenance and streamlined wiring for users.

1. The DC type has short-circuit protection and polarity reversal protection circuits.
2. The communication type is equipped with a surge absorption circuit to avoid surge damage.
3. The entire series has NPN and PNP output modes to meet various control wiring requirements
4. The sturdy structure of IP65 is suitable for various environments.
5. All models come with action indicator lights for easy installation and adjustment.
6. Unique vertical design and installation save more space.
7. Strong anti-interference, working temperature is 0℃---+55℃;
8. Universal photoelectric switch with stable performance and low price.
9.  Built-in amplifier, universal high-function photoelectric switch, CE certified;
10. IP65 protection level (waterproof and oil-proof type), high sealing;
11. Diffuse reflection detection distance is long, ultra-long detection distance, and through-beam type.
12. With reverse polarity protection function, short circuit protection, and reverse phase connection.
13. Anti-vibration (IEC) and anti-static interference;
14. The distance is divided into adjustable and non-adjustable types, with high accuracy.
15. The service life exceeds 10 million times, and the quality is guaranteed for two years.

 

(1) Voltage Output Differences
The key difference between NPN and PNP Cylindrical Photoelectric Sensor lies in their output voltage levels. NPN-type switches output a low level, while PNP-type switches output a high level.

Reason: When a signal triggers the photoelectric switch, the NPN type connects the signal output line (OUT) to GND (ground). Since the NPN's GND is linked to Vee (the negative terminal of the DC power supply), the OUT line effectively outputs a low level. On the other hand, the PNP type connects the signal output line (OUT) to VCC (the positive terminal of the DC power supply), resulting in the OUT line outputting a high level.

(2) Internal Switch Connections
The internal wiring of NPN and PNP switches differs:

In NPN types, the internal switch connects the signal terminal to the negative terminal (GND).

In PNP types, the internal switch connects the signal terminal to the positive terminal (VCC).

(3) Signal Output Line Connections

NPN: When triggered, the signal output line (OUT) connects to GND, effectively outputting a low level.

PNP: When triggered, the signal output line (OUT) connects to VCC, effectively outputting a high level.

(4) Signal Behavior

NPN: In its default state, the output remains at a low potential. When a signal is detected, it switches to a high potential.

PNP: In its default state, the output remains at a high potential. When a signal is detected, it switches to a low potential.

1. Different materials are detected with varying detection distances;
2. Installation: Screw installation. Due to the influence of temperature and voltage, it is generally installed at 85% of the rated detection distance;
3. The testing surface should be regularly cleaned of metal dust and other sediments to avoid affecting performance;
4. Operating environment temperature: -25 ℃~+65 ℃; Relative humidity: 35-95% HR;
5. Vibration: Durability: 10~55Hz with a complex amplitude of 1.5mm, 2 hours each for X, Y, and Z;
6. Impact: Durability: 500m/s (about 50g), 10 times in X, Y, Z directions;
7. When used in a strong magnetic field environment, it is recommended to use shielded wires;

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