KEYENCE PZ Series Built-in Amplifier Photoelectric Sensors Widely Deployed for Flexible Factory Automation
KEYENCE PZ Series Built-in Amplifier Photoelectric Sensors Widely Deployed for Flexible Factory Automation
Industrial automation integrators and equipment manufacturers continue to select KEYENCE square-type photoelectric sensors from the PZ-M and PZ-G families for diversified object detection tasks. The frequently specified models include PZ-M31, PZ-M11, PZ-G102N, PZ-G101P, PZ-G101N, PZ-G62N and PZ-G61P, covering multiple detection principles to satisfy requirements across packaging, electronics assembly, conveyor logistics and automotive production lines.
The PZ-M series serves as a cost-effective general-purpose solution. PZ-M11 is a diffuse reflective sensor suitable for short-range presence detection, while PZ-M31 adopts retro-reflective design with adjustable sensitivity. Featuring IP67 protection, 10–30 VDC power supply and selectable Light-ON/Dark-ON modes, these sensors deliver stable performance under ordinary workshop conditions.
Complementing the lineup, the high-performance PZ-G series strengthens anti-interference capability for demanding production environments.
- PZ-G101N and PZ-G101P are through-beam sensors with NPN and PNP outputs for long-distance detection;
- PZ-G102N is a polarized retro-reflective model optimized to detect glossy workpieces and avoid false triggers;
- PZ-G62N and PZ-G61P are diffuse reflective variants engineered for reliable detection of various materials.
All PZ-G sensors integrate reverse polarity protection, surge protection and frequency separation technology to prevent mutual interference when multiple sensors are installed adjacently. Visible red LED light spots simplify on-site alignment, and compact square housings support standard mounting layouts for quick equipment integration.
One major advantage of the PZ platform is flexible output options. Both NPN and PNP versions are available, enabling seamless compatibility with mainstream PLC control systems worldwide. Thanks to robust construction and straightforward sensitivity tuning, the sensor range reduces commissioning time and lowers long-term maintenance frequency.
Machine builders rely on this complete portfolio to standardize detection solutions. Whether counting workpieces on conveyor belts, verifying part presence at assembly stations or monitoring product flow on packaging machinery, the PZ-M and PZ-G sensor combinations provide consistent, repeatable sensing performance.
As automated production pursues higher uptime and adaptability, KEYENCE PZ series photoelectric sensors remain a proven choice for system integrators seeking reliable, versatile built-in-amplifier sensing hardware.
Industry Brief: KEYENCE PZ-M & PZ-G Photoelectric Sensors for Automated Production
KEYENCE PZ series square built-in amplifier photoelectric sensors (PZ-M31, PZ-M11, PZ-G102N, PZ-G101P, PZ-G101N, PZ-G62N, PZ-G61P) deliver comprehensive detection solutions for industrial automation.
The PZ-M range offers economical diffuse and retro-reflective sensing with IP67 waterproof rating. The upgraded PZ-G series includes through-beam, polarized retro-reflective and diffuse reflective types, supplied with optional NPN/PNP outputs. Equipped with anti-interference circuits and clear alignment indicators, these sensors simplify installation and guarantee stable detection of parts, packages and materials on assembly and conveyor lines.
Widely adopted in electronics, packaging and logistics industries, the PZ sensor lineup supports flexible machine design and consistent operational reliability for global equipment manufacturers.
