4/19/2004 - ERNI, a recognized leader in circuit board connectors, has expanded its product line to include an M8/M12 female connector for automation technology applications. This modular system of plug and socket connectors can be used to implement a flexible I/O or field bus connection on the circuit board. The first product available is an M12 female connector that is equipped with SMD connections and can be processed fully automatic. The terminal connections with 2, 3, 4 and 5 pins are so robust that it is possible to feed in bulk material packaging using an appropriate vibration device. Eliminating the customary pick & place pads and employing machine processing with inexpensive packaging makes it possible to significantly reduce costs.
The modular design concept enables fast and easy production of connectors in different sizes and versions, such as 3-pole and 4-pole M8 connectors. Customers may choose the desired connection technique (SMD, press-fit, or THR). Beyond that, shielded and sealed versions are also available.
The black insulator is made of high-temperature-resistant plastic and is suitable for soldering with all the usual SMT procedures. The M8/M12 connectors are designed for lead-free processing, which will be mandatory beginning in July 2006.
Up until now, M8 and M12 connectors have been used primarily as sensor connectors, with the open sensor cable being laid to the switch cabinet, where it is then wired. Today, sensors and actuators are often connected to a passive or field-bus-capable I/O box. Due to the harsh environments that they are used in, the boxes require connectors that are robust and impermeable (IP65/67). For this reason, the M8 and M12 connectors that have proven themselves well in sensor technology are increasingly being used in fieldbus applications as well. M12 connectors are now being recommended as field bus connectors for nearly all field bus specifications, and they are available with coding.
By introducing the new M8/M12 plug connectors, ERNI has now made provisions for reliable and flexible I/O or field bus connections on circuit boards.
ERNI Elektroapparate GmbH, a German member company of the international ERNI Holding Group, was established in 1956 and is headquartered in Adelberg (near Göppingen). ERNI develops and manufactures a wide variety of connectors for backplane and printed circuit board applications. The system technology business unit develops and produces customer-specific printed circuit board systems and backplanes. ERNI is a globally active enterprise with branch offices in Europe, North America and Asia. ERNI products are also marketed via a network of representatives and leading distributors. Further information is available at www.erni.com
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