Series 61 Photoelectric Sensors

Pepperl+Fuchs Inc.

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The Series 61 photoelectric sensors launched by Pepperl+Fuchs are UL- and cUL-listed and available in DC models with proprietary 4-in-1 output and in AC/DC models with single-pole double-throw (SPDT) relay output. Easily accessible controls simplify setup and adjustment, and color-coded labels make it easy to identify a given sensor’s sensing mode.

The devices’ rugged IP67 housing makes them simple drop-in replacements in many applications. They have a one-piece design and are supplied with a multifunction timer.

The 4-in-1 output automatically sinks or sources, depending upon the load detected. Both 4-in-1 output models and SPDT output models include a standard diffuse mode with a 1- or 4-m sensing range, diffuse with background suppression mode with a 500-mm or 2-m sensing range, polarized retroreflective mode with an 18-m sensing range, and a through-beam mode with a 60-m sensing range.

AC/DC versions with SPDT relay output can switch up to 3 A. The sensors also are available in fiber optic versions where the sensing range is dependent on the fiber cable. The fiber optic fitting is suitable for use with all universal glass fiber optic cables.

AC/DC Series 61 connection options include a 2-m fixed cable or a 5-pin, M12 mini-style quick-disconnect. DC Series 61 connection options include a 2-m fixed cable or a 4-pin, M12 micro-style quick-disconnect. Each sensor can be mounted via front and rear slots, a rear dovetail guide or an M30 × 1.5 mounting base.

The sensors are used in over-the-conveyor package detection in materials handling industries, automotive part positioning, industrial door control, palletizing, reliable parts detection in hot environments, overhead conveyors, and small or slotted object detection.

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Published: September 2012