Table 16 RF Control Algorithm Commands
Command
RF Power Off
6920
On timeout only
6921
Timeout or tag ID acquired
6922
Timeout or presence false (factory default)
!
6920
turns off RF power based on the timeout established by command !
693N
Set RF
Timeout Period.
!
6921
allows RF power to be turned off either after the timeout period or upon acquisition of
a valid tag ID, whichever occurs first. The reader turns off the RF immediately following
the acquisition of a valid tag, whether or not it is unique. This control algorithm may be
used in Wiegand mode to ensure that the tag data is transmitted once and only once
per presence on both serial and Wiegand ports.
!
6922
turns off RF power either after the timeout period or upon the presence false condition,
whichever occurs first.
Reader response:
!Done
693N Select RF Timeout Period
!
693N
selects the RF timeout period used by command !
692N
Select RF Control Algorithm.
Values for N range from 0 through F.
!
693F
disables the RF timeout.
Uppercase or lowercase characters are allowed for N; for example, hex digits A
through F or a through f. The commands and corresponding timeouts are shown in
.
Table 17 Timeout Period Values
Command
Timeout (ms)
6930
0 (always expired)
6931
4
6932
8
6933
12
6934
20
6935
24
6936
32
6937
48
6938
60
Chapter 6 Commands
TransCore Proprietary
6–47