Roger Technology H85/TTD Serie Instrucciones Y Advertencias Para El Instalador página 18

12.2.7
Wiegand 37bit with SITE code and channel information
first bit transmitted
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
bit of "even
parity" of
bits 2-19
12.2.8
Wiegand 50bit
first bit transmitted
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
bit of "even
parity" of (0...32767)
bits
2-25
12.2.9
Wiegand 50bit with channel information
first bit transmitted
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
site code
bit of
(0...32767)
"even
parity"
of bits
2-25
12.2.10
Wiegand signal timing diagrams
The Wiegand communication mode is based on sending
two electrical signals, DATA0 & DATA1, active at low logic
level, as shown by the following diagram. The duration of
the single bit is 50μs, while the pause between one bit and
the next is 2ms.
1
DATA 1
DATA 0
50µs 2ms
12.3
ISO2 communication mode
The functions available are activation of the code and
password change: the latter is used only to determine
whether, in addition to the user ID entered, we also want
to send channel information (relating to the function keys
1/A, 4/B, 7/C, */D) and not to manage the site code, which
is not provided for in ISO2 mode.
To enable the transmission of channel information, you
must follow the procedure for changing passwords, and
end with the star key * instead of the pound key #.
18
site code
(0...16383)
17 18 19 20 21
site code "10000"
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
"100" MSbit
0
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
MSbit
bit16 bit17 CH
0 0 A
0 1 B
1 0 C
1 1 D
22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
MSbit
binary code (0...268435455)
binary code (0...268435455)
Example:
to enable the transmission of channel information, leaving
unchanged as 0000 the site code (unused), enter the
following sequence:
To disable transmission of channel information, type the
following sequence:
1
12.3.1
DIP1 DIP2 DIP3
ON OFF ON
The character string transmitted is: START, CHANNEL, SEP,
CODE (maximum 14 characters), SEP, END, LRC.
12.3.2
DIP1 DIP2 DIP3
ON OFF ON
By pressing one of the function keys 1/A, 4/B, 7/C, */D the
sequence of characters is transmitted. Within 5 seconds,
you have the option to activate another function, which
binary code (0...524287)
LSbit
* * <0000> # <0000> # <0000> *
* * <0000> # <0000> # <0000> #
ISO2 without channel
information
After the user code is entered by
pressing the star key * the code is sent:
the LR red LED will turn on for a second
and the buzzer sounds.
ISO2 with channel information
The correct code must be followed by
the star key *: the LV green LED
activates and the buzzer emits a
confirmation tone.
DIP1 DIP2 DIP3
OFF ON ON
37
LSbit bit of "odd
parity" of
bits 19-36
DIP1 DIP2 DIP3
ON OFF OFF
50
LSbit
bit of "even
parity" of
bits 26-49
DIP1 DIP2 DIP3
ON OFF OFF
48 49 50
bit of
CH
bit48 bit49
0 0 A "even
0 1 B
parity" of
1 0 C
bits 26-49
1 1 D