This small square proximity switch is an NPN inductive sensor. It finds metal parts in tight spots. Its small size works well for small machines and robots. This 3-wire sensor is available in Normally Open (NO) or Normally Closed (NC) versions. Choose the one that matches your project's logic.
Features and Benefits
- Simple NPN Wiring - The 3-wire NPN setup is common for many PLCs. Connect the brown wire to 12-24V DC. Connect the blue wire to ground. Connect the black signal wire to your input.
- NO and NC Options - A Normally Open (NO) sensor sends a signal when it finds metal. A Normally Closed (NC) sensor sends a signal when metal is not there.
- Small Size - Its small, square shape lets you install it where round sensors won't fit.
- Built-in LED Indicator - A light turns on when the sensor finds a metal object. This makes it easy to check if it's working during setup.
Applications
- PLC Automation: It provides a digital input signal to a programmable logic controller. This helps track parts, check positions, or count gear rotations.
- Limit Switching: Use it as a non-contact limit switch for a CNC machine, 3D printer, or robot arm. It defines the end of travel.
- Part Ejection Confirmation: Mount it near an ejection chute on a stamping press or injection molding machine. It confirms that each part has left the die.
What It Is
This is a 3-wire inductive magnetic sensor switch, designed for detecting the presence of metallic objects without physical contact. It operates as a proximity sensor, meaning it senses objects that are close by. This particular model features an NPN output and can be configured as either normally closed or normally open, offering flexibility in its application. It is supplied with a 1-metre cable for connection.
Key Uses & Applications
This magnetic proximity switch is suitable for various industrial sensor applications where reliable, non-contact detection is required. Common uses include position sensing for machinery, counting parts on a production line, and detecting the presence of components in automated systems. Its NPN output makes it compatible with many control systems. The sensor detects objects within a close range, providing a robust sensing solution.
How to Choose
When selecting a proximity sensor, consider the material of the objects to be detected and the required sensing distance. Inductive sensors like this one are ideal for metallic targets. For non-metallic objects, an optical sensor might be more suitable. Check the output type (NPN in this case) to ensure compatibility with your control system. To test a proximity sensor, apply the correct voltage (below 50Vac or 75Vdc for this model) and observe the output change when a target object is brought within its sensing range.
Voltage: Below 50Vac or 75Vdc. Cable Length: 1 m. Output Type: NPN 3-wire Normally Closed/Normally Open. Sensor Type: Magnetic Proximity Switch. Housing Material: Nickel-plated brass or ABS. Operating Voltage: Below 50Vac or 75Vdc. Output Type: NPN. Operating Temperature: -25°C to 70°C. Protection Rating: IP67 (Dust tight and protected against immersion). Detection Object: Metal (ferrous and non-ferrous). Max Current: 350 mA. Model Variants: GX-F8, GX-H8, GX-F12. Mounting Type: Mini Square. Response Frequency: Typically 500 Hz. Sensing Distance: 1 meter (typical). Sensor Type: Inductive Proximity Sensor. Switching States: Normally Closed (NC), Normally Open (NO). Wiring Configuration: 3-wire. Q: What are the sensing distances for the different GX models? A: The sensing distance depends on the model. The GX-F8 detects metal at 1.5mm, the GX-H8 detects at 2.5mm, and the GX-F12 has the longest range at 4mm.. Q: How big are these sensors and what are they built to withstand? A: These are miniature sensors, with the GX-F8 and H8 models having a tiny 8mm x 8mm profile, ideal for tight machinery. They have a PBT plastic body and an IP67 rating, meaning they are fully protected from dust and can be submerged in water.. Q: Are these available in both normally open (NO) and normally closed (NC) versions? A: Yes, they are. Each model is available as an NPN 3-wire sensor, and you can choose either a Normally Open (NO) or Normally Closed (NC) configuration to match your circuit logic.. Q: Is this an inductive sensor or a magnetic sensor? A: This is an inductive proximity sensor, which is different from a magnetic sensor. It creates a small electromagnetic field to detect the presence of any nearby metal object, rather than responding to a magnet.. Q: What kind of cable is attached and how long is it? A: Each sensor comes with a 1-meter long, oil-resistant vinyl cabtire cable already attached. This lets you wire it directly into your equipment without needing to source a separate cable..