5.2.1 Wiegand 26bits Output Description

5.2.1 Wiegand 26bits Output Description

The system has a builtin Wiegand 26bits format. Press [Wiegand Format], and select “Standard Wiegand 26bits”.
The composition of the Wiegand 26bits format contains 2 parity bits and 24 bits for output contents (“User ID” or “Card Number”). The binary code of 24bits represent up to 16,777,216 (0–16,777,215) different values.5-22-2014 4-31-20 PM
Definition of Fields:
5-22-2014 4-32-07 PMFor example,
for a user with the user ID of 12345, the enrolled card number is 0013378512 and the failed ID is set to 1.
1. When the output is set to “User ID”, the Wiegand output is as follows upon successful verification:
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2. When the output is set to “Card Number”, the Wiegand output is as follows
upon successful verification:
5-22-2014 4-32-53 PM 3. The Wiegand output is as follows upon verification failure:
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5-22-2014 1-25-17 PMNote: If the output contents exceed the scope allowed for the Wiegand format, the last several bits will be adopted and first several bits are automatically discarded. For example, the user ID 888 888 888 is 110 100 111 110 110 101 111 000 111 000 in binary format. Wiegand26 only supports 24 bits, that is, it only outputs the last 24 bits, and first 6 bits “110 100” are automatically discarded.

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