Posts Tagged ‘weigand protocol’

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 >>

 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 >>