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INSTALLATION MANUAL
N
GALEOW
Illuminated keypad - Wiegand
10] WIEGAND 26 BITS OUTPUT FORMAT
4
Interface
- The output format is 26-bit Wiegand (Signals: DATA1, DATA0 and CLOCK),
- Output signal in open collectors (pull up of 2.2K in +5V) 26-bit hexadecimal output format.
The frame is made of 26-bit and built as follow:
- First parity: 1-bit – even parity for the fi rst 12-bit,
- User Code: 3 half of a byte represent the code entered.
Each byte is transferred from bit 7 to bit 0,
- Second parity: 1-bit – odd parity for the last 12-bit.
Even parity on bit 2...bit13
ut.
t.
Decimal
F
Hexadecimal
- Parity 1: «0» if the number of 1 in bit 2 to bit 13 is even, «1» if the number of 1 in bit 2 to bit 13 is odd.
- Parity 2: «0» if the number of 1 in bit 14 to bit 25 is odd, «1» if the number of 1 in bit 14 to bit 25 is even.
11] ARK 8 BITS OUTPUT FORMAT
Keypad input
*
#
EXE-CDVI_IM GALEOW CMYK A5 EN-FR 07.indd 19
Bit 1
4 Terms
5 Terms
6 Terms
4 Terms
5 Terms
6 Terms
Hexadecimal
0
FO
1
E1
2
D2
3
C3
4
B4
5
A5
6
96
7
87
8
78
9
69
ou A
5A
ou B
4B
Bit 2 ... bit 25
Data (24 bits)
1
0000
0000
0
0
0
7
6
7
Parity 1
0
0
0
1
0
A
Binary Datas
11110000
11100001
11010010
11000011
10110100
10100101
10010110
10000111
01111000
01101001
01011010
01001011
Bit 26
Odd parity on bit 14...bit 25
0001
0011
0111
0101
1
3
7
1
3
7
1
3
7
0
5
5
1
6
C
3
E
8
cdvi.com
cdvigroup.com
EN
0
5
5
5
Parity 2
F
F
F
19
12/07/13 11:32
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