Among the talks at FIMI (Forum for Internationalizing the Made in Italy), which took place on November 20 at the headquarters of the newspaper Il Sole 24 Ore, Gefran illustrated its experience as a producer of components for automation and industrial process control systems. The event was created by Messe Frankfurt (organizer of the SPS IPC Drives tradeshow) in collaboration with Il Sole 24 Ore and focused principally on the theme of internationalization of Italian industry.
Always in tune with market trends and able to anticipate emerging needs, Gefran is currently introducing a new model of magnetostrictive transducer designed ad hoc for the pneumatics industry. Based on the company's proprietary Onda technology, the new ONPP-A transducer was designed for direct monitoring on pneumatic cylinders and is capable of detecting the position of the standard magnet integrated into the cylinders of all principal manufacturers.
The new ONPP-A was designed to solve one of the main problems with measuring magnets in pneumatic cylinders: recognition of polarity, which, depending on the magnet's orientation, can cause an offset when reading its position. Thanks to an exclusive system developed by Gefran, the ONPP-A automatically performs this recognition and consequent calibration, thereby eliminating any errors in position reading.
The system offers a series of other advantages: first of all, a smaller sensor performs the read of the entire cylinder stoke, reducing the size of the transducer as much as possible to the dimensions of the cylinder itself (according to ISO 15552). The transducer is available for strokes from 50 to 900 mm and has a direct analogue interface in voltage. Accuracy levels are optimized for pneumatic applications: resolution is infinite, linearity error is ± 0.2% (± 1 mm min.) of stroke, and repeatability error is 0.05 mm.