Vision-based protection

The Allen-Bradley GuardMaster SC300 is a Type 3, vision-based protective device for use in a variety of machine guarding applications.

The latest addition to the Rockwell Automation safety optoelectronic product family, the hand detection safety sensor, is a compact Type 3, SIL 2, IEC 62061, PLd EN ISO 13849-1 vision-based protective device, that uses image-processing technology to detect the intrusion of objects through its detection window.

The safety-sensing function is performed by a single image sensing device, which views a single twodimensional image against a passive pattern as the background. Detection principle is based on an object of a certain resolution blocking the image-sensing device's view of the pattern.

Targeted at light and medium industrial machine guarding tasks, GuardMaster SC300 can be used for frame openings from 400 x 400mm to 1500 x 1500mm. It is easy to install and set up, providing a cost effective, 20ms response, handdetection solution that can replace 24-30mm safety light curtains. Its small size and detection offset allows it to be mounted on the inside or outside corner of a frame opening, maintaining the opening while helping protect the SC300.

The unit is used with reflective tape, which defines the boundaries of the sensing field.

No software is required to program or teach the device the style of the opening to be guarded.