Stid ultrys - Wiegand 3 Eb; Wiegand 3 W; Wiegand 3 V

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© STid – MU_ULTRYS_V3.0.1_EN
Wiegand 3Eb
Message
The frame consists of 34 bits as follows:
Bit 1
Bit 2 …Bit 33
Bit 34
Structure
1st parity
Data (32 bits)
2nd parity
Description
1 even parity bit
calculated from bits 2 to
17 included
8 hexadecimal digits
MSByte first
1 odd parity bit calculated
from bits 18 à 33 included
Example
For the hexadecimal code “0x 12347F02 “, the frame sent will be:
1
0001
0011
0001
0010
1001
1101
1101
0011
1
1
2
3
4
7
F
0
2
Parity
Digit 1
Digit 2
Digit 3
Digit 4
Digit 5
Digit 6
Digit 7
Digit 8
Parity
Wiegand 3W
The frame consists of 35 bits as follows:
Bit 1-2
Bit 3 …Bit 34
Bit 35
Structure
1st parity
Data (32 bits)
2nd parity
Description
2 parity bits
8 hexadecimal digits
MSByte first
1 odd parity bit
Wiegand 3V
Message
The frame consists of 37 bits as follows:
Bit 1
Bit 2 …Bit 36
Bit 37
Structure
1st parity
Data (35 bits)
2nd parity
Description
1 even parity bit
calculated from bits 2
to 19 included
8 hexadecimal digits
MSByte first
1 odd parity bit calculated
from bits 19 à 36 included
Example
For the hexadecimal code “0x 0F3129DD3B “, the frame sent will be:
1
111
0011
0001
0010
1001
1101
1101
0011
1011
0
7
3
1
2
9
D
D
3
B
Parity
Digit 1
Digit 2
Digit 3
Digit 4
Digit 5
Digit 6
Digit 7
Digit 8
Digit 9
Parity