Posts Tagged ‘weigand protocol’

READER TO CONTROLLER INTERFACE

Thursday, August 5th, 2010

The Wiegand Reader-to-Controller Interface: An interface defines how two devices communicate with one another. Various readers can communicate with access control panels using a variety of well-established, industry-standard interfaces including: • Wiegand • Serial (RS232, RS422, RS485) • Clock-and-Data (Magnetic Stripe Track/2) – Also known as ABA format. We will concentrate on the Wiegand interface… Read more >>

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Understanding WEIGAND

Monday, August 2nd, 2010

 The term Weigand is applied to several characteristics related to Access Control readers and cards. Unfortunately, the word is often used very carelessly and can lead to unnecessary confusion. Here are the basic facts:   Weigand is: 1.      A specific reader-to-Card Interface. 2.      A specific binary reader-to-Controller Interface. 3.      An electronic signal carrying data. 4.     … Read more >>

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