Product category:
Rotary Controls, Joysticks etc
News Release from: EAO | Subject: Grayhill Gray code rotary switches
Edited by the Electronicstalk Editorial
Team on 05 November 2003
Gray-coded rotaries break the code
Grayhill rotary switches that use Gray code have significant advantages over BCD-coded products.
Grayhill rotary switches that use Gray code have significant advantages over BCD-coded products When a BCD-coded rotary switch is turned it passes through a midpoint between detent positions where the new contact is made before the old contact is broken
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
Related stories
Seameless switch meets demands of shrinking world
EAO meets the demands of a shrinking world, enabling the series 61 E-Stop to be integrated into compact control panels, mosaic panels, and a wide range of machinery and process control equipement.
This gives a momentary false code output which is impossible with Gray-coded rotary switches because the code ensures that only one of the contacts is made or broken when the switch changes position.
The problems with BCD-coded rotary switches can be overcome by configuring software to cause a delay between detent positions, but who wants to use equipment that could have a problem keeping up with the speed of the user? Along with the additional setup procedures, there is also the risk of a potential problem caused by the intrinsic conflict of BCD-coded products.
For these reasons, EAO recommends Gray-coded rotary switches for use in military applications, test and measurement equipment, medical devices, industrial controls and other equipment where a delay or conflict could be very costly.
EAO's Ltd portfolio of Gray-coded rotary switches includes: the 26 series miniature 0.5in diameter body switch, available with 0.125 and 0.25in shafts; and the 25 series with single or multiple decks. Request a free brochure from EAO ...
• EAO: contact details and other news
• Email this article to a colleague
• Register for the free Electronicstalk email newsletter
• Electronicstalk Home Page
Search the Pro-Talk network of sites
