PZ-G51N Keyence PZ-G Series Photoelectric Sensor Thrubeam

PZ-G51N Keyence PZ-G Series Built-in Amplifier Photoelectric Sensor, Thrubeam, Standard

Technical Specifications

• Brand: Keyence
• Model: PZ-G51N
• Series: PZ-G series
• Sensor Type: Thrubeam, Standard
• Shape: Rectangular
• Detecting Distance: 20 m maximum (65.6 ft)
• Light Source: Red LED
• Sensitivity Adjustment: 1-turn trimmer (230°)
• Response Time: 500 µs maximum
• Operation Mode: LIGHT-ON/DARK-ON (switch-selectable)
• Indicators: Power (T): Orange LED, Output (R): Orange LED, Stable operation: Green LED, Light receiving: Red LED
• Lens Cover Material: Polyarylate (PAR)
• Built-in Ports: None
• Protocols: None
• Communication Expansion: None
• Supply Voltage: 10 to 30 VDC nominal, including ripple (P-P) 10%
• Current Consumption: Transmitter: 20 mA or less, Receiver: 28 mA or less
• Output Type: NPN open collector
• Control Output: Open collector output, 30 V maximum, 100 mA maximum, residual voltage 1 V maximum
• Cable Connection: Cable (2 m)
• Protection Circuit: Reversed polarity, overcurrent protection, surge absorber
• Interference Suppression: Up to 2 units (polarization filters or automatic different frequency function)

Environmental and Physical Data

• Operating Temperature: -20 to +55 °C (no freezing)
• Relative Humidity: 35 to 85 % RH (no condensation)
• Protection Rating: IEC IP67 / NEMA 4A, 6, 12 / DIN IP69K
• Ambient Light Resistance: Incandescent lamp 5,000 lux maximum, sunlight 20,000 lux maximum
• Vibration Resistance: 10 to 55 Hz, double amplitude 1.5 mm, 2 hours in each X, Y, Z direction
• Shock Resistance: 1,000 m/s², 6 times in each X, Y, Z direction
• Dimensions (H×W×D): Not available
• Weight: Approx. 60 g (rectangular cable model; thrubeam transmitter: approx. 50 g)
• Housing Material: Glass-fiber reinforced PBT
• Mounting Torque: 0.5 N·m maximum (mounting hole part)

Installation Guide

• Mount the transmitter and receiver on rigid brackets to keep optical alignment stable over time.
• Tighten mounting screws to 0.5 N·m maximum to avoid housing damage.
• Wire the 2 m cable to a 10 to 30 VDC supply with correct polarity.
• Adjust the 1-turn trimmer (230°) until the green stable operation LED lights.
• Select LIGHT-ON or DARK-ON mode before running the machine.
• Keep units within the interference limit of up to 2 units for clean detection.

Package List

• 1 × Keyence PZ-G51N Thrubeam Sensor (Transmitter and Receiver)
• 1 × 2 m Cable (attached)
• 1 × Mounting Hardware Set
• 1 × Instruction Sheet
• Shipping via FedEx, UPS, or DHL

FAQ

• What is the maximum detecting distance?
  The PZ-G51N reaches a 20 m maximum distance with a red LED light source.
• How do I adjust sensitivity?
  Turn the 1-turn trimmer (230°) until the green stable operation LED glows.
• Which output type does this sensor provide?
  It offers an NPN open collector output rated 30 V and 100 mA maximum.
• Does the sensor support both operation modes?
  Yes, a switch lets users choose LIGHT-ON or DARK-ON freely.
• What protection rating does the housing carry?
  The housing meets IEC IP67, NEMA 4A, 6, 12, and DIN IP69K standards.
• What is the stock and delivery status?
  We keep brand-new original stock on hand and ship within 5 days via DHL and similar carriers.
• What is the return policy?
  We accept returns within 30 days of delivery.

Contact Information Inquiries: sales@nex-auto.com, +86 153 9242 9628

Partner NexAuto Technology Limited: https://www.nex-auto.com/