Why Choose the Carlo Gavazzi PA3PPPA Photoelectric Sensor?
The Carlo Gavazzi PA3PPPA is a robust polarised retro-reflective photoelectric sensor designed for reliable object detection in industrial automation and material handling applications. It provides a sensing range of up to 3000 mm and uses visible polarised red modulated light to achieve dependable detection with a suitable reflector.
The PA3PPPA operates from a wide 10-40 V DC supply and provides a PNP complementary NO+NC output, allowing normally open or normally closed switching functions to be incorporated into the machine control system. Light and dark switching capability further increases installation flexibility across different detection applications.
Designed for demanding industrial environments, the sensor features a sturdy metal housing, adjustable sensitivity and IP67 protection. This PA3PPPA version is supplied with a 2 m cable, while built-in reverse-polarity, short-circuit and transient protection contribute to reliable long-term operation.
Key Advantages
- Long 3000 mm sensing range for industrial object detection.
- Polarised retro-reflective technology supports reliable detection using a reflector.
- PNP complementary NO+NC outputs provide flexible control-system integration.
- Supports both light and dark switching.
- Visible 660 nm red modulated light assists sensor alignment.
- Adjustable sensitivity enables optimisation for the application.
- Durable metal housing and IP67 protection suit demanding industrial environments.
- Integrated electrical protection supports dependable operation in automation systems.
Key Features
- Carlo Gavazzi polarised retro-reflective photoelectric sensor.
- Maximum sensing range of 3000 mm.
- PNP switching output.
- Complementary normally open and normally closed (NO+NC) output function.
- Supports light and dark switching.
- Visible polarised red light source.
- Modulated light with a wavelength of 660 nm.
- Wide 10-40 V DC operating supply range.
- Adjustable sensitivity for application-specific setup.
- Sturdy metal sensor housing.
- 2 m cable electrical connection.
- IP67 degree of protection.
- Reverse-polarity protection.
- Short-circuit and transient protection.
Reliable Polarised Retro-Reflective Object Detection
A polarised retro-reflective photoelectric sensor operates by transmitting light towards a reflector and monitoring the returned beam. When an object interrupts or alters the reflected light path, the sensor changes its output state. Polarisation helps the sensor distinguish the intended reflected signal from unwanted reflections produced by shiny or reflective objects, improving detection reliability in industrial applications.
The PA3PPPA combines this detection principle with a 3000 mm range, visible 660 nm red light and adjustable sensitivity. Complementary PNP NO+NC outputs and selectable light or dark switching provide flexibility when interfacing the sensor with PLC inputs, machine controllers and other industrial automation equipment.
Typical Applications
- Conveyor object and product detection.
- Packaging and processing machinery.
- Automated production and assembly lines.
- Material handling and logistics equipment.
- Presence and position detection on industrial machinery.
- Counting and monitoring products moving through automated processes.