which means that RF is enabled by presence sensor on input 0, RF signal off, uniqueness timeout of two
minutes, RF output frequency has not been set, maximum RF output range for ATA tags, maximum RF output
range for eGo and eGo Plus tags, full RF power, and IAG power set at 4 dB attenuation.
529 Display Presence Input Status
#529
displays the parameters associated with presence detection and RF control. The
reader’s message indicates if presence without tag reports are enabled/ disabled
(
#690N
Select Presence without Tag Report Option), if input inversion is enabled/
disabled (#
694N
Select Input Inversion Option), and the minimum presence true
period (always true). The reader’s message also reports the selected RF timeout
(
#693N
Select RF Timeout Period) and the selected means of RF-off control (
#692N
Select RF Control Algorithm). If presence without tag reports is enabled (
#6901
Enable
Presence without Tag Report Option), the reader transmits a report if a presence is
detected without the subsequent acquisition of a valid tag.
Note:
RF timeout values vary depending on the operative tag read mode and the type of tag in the
read field. All times are approximate.
Reader response:
PRST P<0 to 1> D0 A<0 to 2> T<0 to F> I<0 to 1>
where
P0
Presence without tag reports disabled (factory default)
P1
Presence without tag reports enabled
D0
Minimum presence true period of 0 ms (fixed)
A0
RF off on timeout only
A1
RF off on timeout or tag
A2
RF off on timeout or presence condition false (factory default)
T0
RF timeout of 0 ms (always expired)
T1
4 ms
T2
8 ms
T3
12 ms
T4
20 ms
T5
24 ms
T6
32 ms
T7
48 ms
T8
60 ms
T9
92 ms
TA
152 ms
TB
300 ms
TC
452 ms
TD
600 ms
MPRX User Guide
TransCore Proprietary
5–70
Содержание MPRX 10-7200-001
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