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INSTALLATION MANUAL
GALEOW
Wiegand illuminated keypad
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.
Bit 1
Even parity on bit 2...bit13
KEYPAD CODE
Example with a 4-Digit keypad code: « 1 3 7 5 » Then « B »
1
Decimal
Parity 1
Hexadecimal
Parity 1
Example with a 5-Digit keypad code: « 7 1 3 7 5 » Then « B »
Decimal
Parity 1
Hexadecimal
Parity 1
Example with a 6-Digit keypad code: « 6 7 1 3 7 5 » Then « B »
Decimal
Parity 1
Hexadecimal
Parity 1
- 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.
10] STANDARD FORMAT
This format is owned by Standard. This format is compatible with other Standard products.
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Bit 2 ... bit 25
Data (24 bits)
0000
0000
0
0
0
0
0
7
0
1
6
7
0
A
Odd parity on bit 14...bit 25
0001
0011
1
3
0
5
1
3
1
6
1
3
3
E
Bit 26
0111
0101
7
5
Parity 2
5
F
Parity 2
7
5
Parity 2
C
F
Parity 2
7
5
Parity 2
8
F
Parity 2
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