Photoelectric sensor

The Allen-Bradley Photoswitch 42JS VisiSight features a visible light source for ease of alignment and a rapid 1 ms response time, and is suitable for general purpose detection applications in the packaging, assembly and materials handling industries.

The 42JS VisiSight photoelectric sensor can indicate when unstable sensor operation is occurring. The stability indication provides forewarning of whether the signal level is too close to the detection threshold. This provides a straightforward indication of when maintenance might be needed.

The system also incorporates visual diagnostics for the status of power and output. Multiple LED indicators positioned on the top of the sensor provide visual indication of the current state of the sensor.

In addition to the stability indication, the ASIC design of the 42JS VisiSight sensor also offers linear sensitivity adjustment and high noise immunity. This allows the sensor to address the small form factor needs in several industries, including the life-sciences and pharmaceutical industries, as well as food and beverage. The three different sensing modes - diffuse, polarised retroreflective and transmitted beam - cater for sensing ranges from 30 mm to 10 m, and sensitivity adjustment is also available with all modes.

The 42JS VisiSight is available in two mounting styles. The rectangular housing with industry standard 25.4 mm hole spacing can be directly mounted or, alternatively, an optional snap-on adaptor allows the sensor to be used in 18 mm cylindrical mountings.

The enclosures are rated to IP67 or IP40 if the optional snap-on adaptor is used.