Fibre Optic Sensors

Select an Amplifier Output for Your Control System

The amplifier's output type must match your control system's input. Our fibre optic sensor amplifiers are available with NPN or PNP outputs, which are the two common standards for industrial DC circuits. An NPN output sinks current, connecting the load to ground when activated. A PNP output sources current, connecting the load to a positive voltage.

Check the documentation for your PLC or controller to determine if it requires a sinking (NPN) or sourcing (PNP) input. Most of our amplifiers operate on a 10-30V DC supply, which is compatible with standard industrial power sources.

Ensure Compatibility with Your Fibre Optic Cable

The amplifier must be compatible with the fibre optic cable you intend to use. Our amplifiers support common metric thread sizes for sensing heads, including M3, M4, and M6. This allows them to be used with a variety of standard cables.

Also, consider the sensing mode required by your application. The amplifiers support both through-beam and diffuse sensing modes. Through-beam mode uses a separate emitter and receiver for reliable long-distance detection. Diffuse mode uses a single head to both send and receive light, which is useful for detecting objects at close range in tight spaces.

Evaluate Mounting and Interface Options

For easy and secure installation inside control panels, our optic sensor amplifiers feature a standard DIN rail mounting type. This allows the units to be quickly snapped onto the rail alongside other control components like relays and power supplies.

For applications requiring precise setup and monitoring, consider an amplifier with a precision digital display. This feature allows you to see the signal strength in real-time, simplifying initial calibration and helping to diagnose issues during operation without needing extra test equipment.