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3D sensor

Assistance functions for automation tasks

Ifm’s 3D vision sensor offers simple application solutions thanks to preprocessed 3D data and integration via predefined Codesys function blocks. The 3D sensor communicates via CANopen.

The sensor’s housing consists of die-cast aluminum (Photo: Ifm)

THE 3D SENSOR WITH THE ORDER NUMBER O3M151 comes with IP67 and IP69K protection level and a range up to 35 m. The operating temperature ranges from -40 °C to 85 °C. The connection of the 3D sensor is carried out via CAN for mobile applications using CANopen or J1939, or via an Ethernet interface using UDP. The parameter setting of the system and live monitoring of the 3D data are carried out via the company’s Vision Wizard for Windows. As an alternative, parameter setting can also be carried out via function blocks using the software Codesys.

The 3D detection of scenes and objects, already common on the factory floor, can also be useful for mobile machines. Apart from new possibilities for vehicle automation (AGV, automatic guided vehicles) this results in additional assistance functions for automation tasks.

The principle of this 3D sensor is based on Ifm’s patented and award-winning pmd technology. It was specifically designed for outdoor use and difficult ambient light situations. According to the German company, even interferences such as sunlight or materials with different reflective characteristics do not influence the repeatability of the measured data.

The integrated 2 x 32-bit processor architecture enables the calculation of the 3D data and functions directly integrated in the system with up to 50 frames per second. The electronics of the mobile 3D sensor are adapted to the demands and requirements of mobile machines. Besides shock and vibration resistance, self-diagnostic functions from the sensor to the IR system illumination unit are also available.

The 3D sensor integrates functions that enable to solve a multitude of applications: An algorithm from the automotive industry is used ensuring reliable automatic object recognition of up to 20 objects. This function can, for example, be used as collision warning. For simple distance tasks, functions such as minimum / maximum / average distance are available.

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