ZKTeco PA22, User Manual

Page: 27 / 63

PA22 User Manual
P a g e | 26 Copyright©2023 ZKTECO CO., LTD. All rights reserved.
5.6.1. Wiegand Input
Function Description:
Function Descriptions
Wiegand Format Its value can be 26 bits, 34 bits, 36 bits, 37 bits, and 50 bits.
Wiegand Bits The number of bits of the Wiegand data.
Pulse Width (us)
The value of the pulse width sent by Wiegand is 100 microseconds by
default, which can be adjusted within the range of 20 to 400 microseconds.
Pulse Interval (us)
The default value is 1000 microseconds and can be adjusted within the
range of 200 to 20000 microseconds.
ID Type
Select between the User ID and card number.
Various Common Wiegand Format Description:
Wiegand Format Descriptions
Wiegand26
ECCCCCCCCCCCCCCCCCCCCCCCCO
It consists of 26 bits of binary code. The 1
st
bit is the even parity bit of the 2
nd
to
13
th
bits, while the 26
th
bit is the odd parity bit of the 14
th
to 25
th
bits. The 2
nd
to
25
th
bits are the card numbers.
Wiegand26a
ESSSSSSSSCCCCCCCCCCCCCCCCO
It consists of 26 bits of binary code. The 1
st
bit is the even parity bit of the 2
nd
to
13
th
bits, while the 26
th
bit is the odd parity bit of the 14
th
to 25
th
bits. The 2
nd
to
9 th bits are the site codes, while the 10 th to 25 th bits are the card numbers.
Wiegand34
ECCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCO
It consists of 34 bits of binary code. The 1 st bit is the even parity bit of the 2 nd to
17 th bits, while the 34 th bit is the odd parity bit of the 18 th to 33 rd bits. The 2 nd to
25
th
bits are the card numbers.
Wiegand34a
ESSSSSSSSCCCCCCCCCCCCCCCCCCCCCCCCO
It consists of 34 bits of binary code. The 1
st
bit is the even parity bit of the 2
nd
to
17
th
bits, while the 34
th
bit is the odd parity bit of the 18
th
to 33
rd
bits. The 2
nd
to
9
th
bits are the site codes, while the 10
th
to 25
th
bits are the card numbers.
Wiegand36
OFFFFFFFFFFFFFFFFCCCCCCCCCCCCCCCCMME
It consists of 36 bits of binary code. The 1
st
bit is the odd parity bit of the 2
nd
to
18 th bits, while the 36 th bit is the even parity bit of the 19 th to 35 th bits. The 2 nd to
17 th bits are the device codes. The 18 th to 33 rd bits are the card numbers, and the
34
th
to 35
th
bits are the manufacturer codes.