P0
No power failure detected
P1
Power failure detected
R0
Not applicable to AI1422E Reader
521 Display Reader ID Number
!521
displays the reader ID that is sent in the auxiliary data field.
Reader message:
RDID xx
where
xx = 01 to FF (hexadecimal)
522 Display Communications Port Parameters
!522
displays the selected communications port parameters, including the baud rate
(
!100N
), the number of stop bits (
!101N
), the parity scheme (
!102N
), and the end-of-
line delay.
Reader message:
MAIN B<2 to 7> S<0 to 1> P<0 to 2> D0
where
B2
1200 baud
B3
2400 baud
B4
4800 baud
B5
9600 baud (factory default)
B6
19.2 kbps
B7
38.4 kbps
S0
one stop bit (factory default)
S1
two stop bits
P0
no parity (factory default)
P1
even parity
P2
odd parity
D0
00 ms end-of-line delay (fixed)
One space is required between each value. For example, if factory default settings are
assigned, the reader message is
MAIN B5 S0 P0 D0
indicating 9600 baud, one stop bit, no parity, and 0 ms end-of-line delay.
Note: The information transmitted in response to command
!522
applies to data and command
mode operation only. While operating in download mode, default communications parameters are
always used.
524 Display Appended Information Status
!524
displays the information being appended to the reader transmissions.
Chapter 6 Commands
TransCore Proprietary
6–35
