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TM951194
3
Output Format
Wiegand
(Standard 26 bits)
P
MSB
UID (6 Hex Code)
LSB
P
EVEN PARITY
ODD PARITY
Pulse Timing
Data 1 Signal
Data 0 Signal
` Tpw Tpi Tpw Tpi
Symbol
Description
Typical Time
Tpw
Pulse Width Time
100us
Tpi
Pulse Interval Time
1.9ms
ABA-TK2
10 LEADING ZERO
MSB
UID (10 DIGITS)
LSB
10 LEADING ZERO
The timing for Card Present, Clock (Strobe) and Data , example as below:
RS232
(9600,n,8,1)
STX(02H)
MSB
UID(8 Hex Code)
LSB
CR
LF
EXT(03H)
Leading Zero
Leading Zero
Data
CARD PRESENT
STROBE
DATA
Bit Time 40IPS (min:280us, typ:330us, max:480us)